Sage.DB Ransomware

Sage.DB Ransomware is a file-encrypting threat that belongs to the broader ransomware category, a class of malicious software designed to lock victims out of their own data and then demand payment for its release. Like most threats in this category, Sage.DB Ransomware is built to cause disruption and financial harm, targeting documents, images, databases and other personal or business files stored on an infected computer.

What Sage.DB Ransomware Does

Once active on a system, ransomware such as Sage.DB Ransomware typically scans local drives, and in many cases connected network shares or removable drives, searching for files that are valuable to the user. It then encrypts these files using a cryptographic algorithm, making them unreadable without a special decryption key. After the encryption process finishes, the ransomware usually leaves behind a ransom note, informing the victim that their files have been locked and that payment is required to restore access. These notes commonly appear as text or HTML files placed on the desktop or inside affected folders, and encrypted files often receive a new extension or modified file name to signal that they have been tampered with. It is important to understand that paying the demanded ransom does not guarantee that a working decryption tool will actually be provided.

How It Usually Gets Onto Computers

Ransomware infections of this type typically spread through deceptive means rather than exploiting a single specific method. Common infection vectors include malicious email attachments disguised as invoices, receipts or official documents, links embedded in phishing messages, pirated software or cracked program installers, fake software updates, and malicious advertisements or compromised websites. In some cases, attackers may also gain access to a system through weak or exposed remote access credentials, then manually deploy the ransomware. Because these delivery techniques rely heavily on tricking users, caution when handling unexpected files or links is one of the most effective defenses.

Risks for the User

The primary risk posed by Sage.DB Ransomware is the loss of access to important files, which can include personal photos, work documents, financial records or business databases. For individuals, this can mean losing irreplaceable memories or sensitive information. For businesses, an infection can halt operations, damage client trust and lead to significant financial losses. Beyond encryption, some ransomware families also exfiltrate data before locking files, adding the risk of stolen information being leaked or sold if the ransom is not paid. Attempting to remove the ransomware without addressing the encrypted files first will not restore data, and improperly handling infected files can sometimes make recovery even harder.

Signs of Infection

Typical warning signs include an inability to open previously accessible files, unusual file name changes or extensions, the sudden appearance of ransom note files, and a noticeable slowdown in system performance while encryption is taking place. Security software alerts, unexpected pop-up messages, or a desktop background that has been changed to display a ransom message can also indicate an active infection.

How to Stay Protected

Maintaining regular, offline backups of important files is one of the most reliable defenses against ransomware, since encrypted data can be restored without negotiating with attackers. Users should avoid opening email attachments or clicking links from unknown or unexpected senders, keep operating systems and software updated, and download programs only from official or trusted sources. Disabling unnecessary remote access features and using strong, unique passwords further reduces the risk of unauthorized access that could lead to a ransomware deployment.

Analysis Report

General information

Family Name:	Sage.DB Ransomware
Signature status:	No Signature

Known Samples

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Known Samples

This section lists other file samples believed to be associated with this family.

MD5: 3499ef398a88c7b9e25b72b77e374c7c SHA1: d93a7b2d958523b6c39c4d041a34f85cefceb9e7 SHA256: 1811EC9FB6C7FF8D6E523E4B4AC820F72A9CE8FDDA97E36434B3A84C2259BA29 File Size: 485.38 KB, 485376 bytes

Windows Portable Executable Attributes

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Windows Portable Executable Attributes

This section lists file attributes found within family samples. These attributes are extracted from the files’ Windows PE (Portable Executable) specification and various system flags. Portable Executable Attributes give malware researchers insight into a file’s functionality, executable details, platform and runtime environment.

• File doesn't have "Rich" header
• File doesn't have exports table
• File doesn't have security information
• File is 32-bit executable
• File is either console or GUI application
• File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
• File is Native application (NOT .NET application)
• File is not packed
• IMAGE_FILE_DLL is not set inside PE header (Executable)
• IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

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File Icons

This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.

Windows PE Version Information

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Windows PE Version Information

This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.

Name	Value
Company Name	Microsoft Corporation
File Description	Win32 Cabinet Self-Extractor Самоизвлечение CAB-файлов Win32
File Version	11.00.17763.1 (WinBuild.160101.0800)
Internal Name	Wextract
Legal Copyright	© Microsoft Corporation. All rights reserved. © Корпорация Майкрософт. Все права защищены.
Original Filename	WEXTRACT.EXE .MUI
Product Name	Internet Explorer
Product Version	11.00.17763.1

File Traits

• HighEntropy
• x86

Files Modified

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Files Modified

This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.

File	Attributes
\device\namedpipe\gmdasllogger	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\ixp000.tmp\dsd04.exe	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\ixp000.tmp\dsd04.exe	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\ixp000.tmp\nsi73.exe	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\ixp000.tmp\nsi73.exe	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\ixp000.tmp\tmp4351$.tmp	Generic Write,Read Attributes,Delete
c:\users\user\appdata\local\temp\ixp001.tmp\bwa65.exe	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\ixp001.tmp\bwa65.exe	Synchronize,Write Attributes
c:\users\user\appdata\local\temp\ixp001.tmp\cbo01fj.exe	Generic Write,Read Attributes
c:\users\user\appdata\local\temp\ixp001.tmp\cbo01fj.exe	Synchronize,Write Attributes

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c:\users\user\appdata\local\temp\ixp001.tmp\tmp4351$.tmp

Generic Write,Read Attributes,Delete

Registry Modifications

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Registry Modifications

This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.

Key::Value	Data	API Name
HKLM\software\wow6432node\microsoft\windows\currentversion\runonce::wextract_cleanup0	rundll32.exe C:\WINDOWS\system32\advpack.dll,DelNodeRunDLL32 "C:\Users\Zgipvuvx\AppData\Local\Temp\IXP000.TMP\"	RegNtPreCreateKey
HKLM\software\wow6432node\microsoft\windows\currentversion\runonce::wextract_cleanup1	rundll32.exe C:\WINDOWS\system32\advpack.dll,DelNodeRunDLL32 "C:\Users\Zgipvuvx\AppData\Local\Temp\IXP001.TMP\"	RegNtPreCreateKey

Windows API Usage

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Windows API Usage

This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.

Category	API
Process Manipulation Evasion	NtUnmapViewOfSection
Process Shell Execute	CreateProcess
User Data Access	GetUserDefaultLocaleName GetUserObjectInformation
Encryption Used	BCryptOpenAlgorithmProvider
Anti Debug	NtQuerySystemInformation

Shell Command Execution

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Shell Command Execution

This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.

C:\Users\Zgipvuvx\AppData\Local\Temp\IXP000.TMP\nSI73.exe

C:\Users\Zgipvuvx\AppData\Local\Temp\IXP001.TMP\bWA65.exe