Threat Database Malware Cobalt Strike

Cobalt Strike

Threat Scorecard

Popularity Rank: 12,709
Threat Level: 80 % (High)
Infected Computers: 100
First Seen: October 29, 2021
Last Seen: January 15, 2026
OS(es) Affected: Windows

The Cobalt Strike malware is a threatening software that is used to target financial institutions and other organizations and can infect computers using Windows, Linux and Mac OS X systems. It was first discovered in 2012 and is believed to be the work of a Russian-speaking cybercrime group known as the Cobalt Group. The malware is designed to collect money from banks, ATMs, and other financial institutions by exploiting vulnerabilities in their systems. It has been linked to several high-profile attacks, including one on the Bank of Bangladesh in 2016 that resulted in the theft of $81 million. The Cobalt Strike also can be used for data exfiltration, ransomware attacks, and Distributed Denial-of-Service (DDoS) attacks.

How a Computer Gets Infected with the Cobalt Strike Malware

The Cobalt Strike malware is typically spread through corrupted emails or websites. The emails may contain links to unsafe websites, which can then download the Cobalt Strike onto a computer. Additionally, the Cobalt Strike can be spread through drive-by downloads, where an unsuspecting user visits a website that has been infected with the threat. Once installed on a computer, the Cobalt Strike can then be used to collect data and money from financial institutions.

Why do Hackers Like to Use the Cobalt Strike in Their Attacks?

Hackers use Cobalt Strike for a variety of reasons. It is an advanced tool that allows them to gain access to networks, launch Distributed Denial-of-Service (DDoS) attacks, and exfiltrate data. It also has the ability to bypass security measures such as firewalls and security software. Additionally, it can be used to create harmful payloads that can be used in phishing campaigns or other cyberattacks. Finally, Cobalt Strike is relatively easy to use and can be quickly deployed to carry out an attack.

Is there Other Malware Like the Cobalt Strike?

Yes, there are other malware threats that are similar to the Cobalt Strike. Some of these include Emotet, Trickbot and Ryuk. Emotet is a banking Trojan that is used to collect financial information from victims. Trickbot is a modular banking Trojan that can be used for data exfiltration and ransomware attacks. Ryuk is a ransomware strain that has been linked to several high-profile attacks on organizations around the world. All of these threats have the potential to cause significant damage if they are not properly addressed.

Symptoms of an Infection by the Cobalt Strike

Symptoms of an infection by the Cobalt Strike malware include slow computer performance, unexpected pop-up windows, and strange files or folders appearing on the computer. Additionally, users may experience difficulty accessing certain websites or applications, as well as receiving emails with suspicious attachments. If a user notices any of these symptoms, they should immediately contact their IT department or security provider to investigate further.

How to Detect and Remove the Cobalt Strike Infection from an Infected Machine

1. Run a full system scan with updated anti-malware software. This will detect and remove any tampered files associated with the Cobalt Strike malware.

2. Check your system for any suspicious processes or services that may be running in the background. If you find any, terminate them immediately.

3. Delete any suspicious files or folders that have been created by the Cobalt Strike malware on your computer.

4. Change all of your passwords, especially those related to financial accounts or other sensitive information.

5. Make sure that your operating system and applications are up-to-date with the latest security patches and updates from the manufacturer’s website.

6. Consider using a reputable firewall and anti-malware program to protect your computer from future threats like the Cobalt Strike malware.

Analysis Report

General information

Family Name: Trojan.CobaltStrike
Signature status: No Signature

Known Samples

MD5: 9044e9e97da86cd1b2a273192c57f1ad
SHA1: 7accdf3672025fef4f88ee062790c17d43f413a1
SHA256: F5C7FACA5B5563E4740A6D2196ACFB3626ECBCD38DA4D690DC23E13E7ECF747C
File Size: 19.46 KB, 19456 bytes
MD5: 2fa3fdb40946d857e18c8f85c6b6a70d
SHA1: 334cce2844b192707408baf3c1bd56bc644277d9
SHA256: 913395EF1B65C3A0E1FACD6DC823D66994046DDBD906CB12F7C8BA3E5FD5A62B
File Size: 328.70 KB, 328704 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have exports table
  • File doesn't have relocations information
  • File doesn't have resources
  • File doesn't have security information
  • File has TLS information
  • File is 64-bit executable
  • File is either console or GUI application
  • File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
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  • 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 Traits

  • HighEntropy
  • No Version Info
  • x64

Block Information

Total Blocks: 123
Potentially Malicious Blocks: 7
Whitelisted Blocks: 116
Unknown Blocks: 0

Visual Map

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x x x 0 x x x 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 x
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

  • Agent.DFCL
  • Agent.UFSG
  • Downloader.Agent.DRB
  • Downloader.Agent.RCM
  • Kryptik.FSM
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  • Trojan.Agent.Gen.ABZ
  • Trojan.Agent.Gen.BN
  • Trojan.Agent.Gen.SU
  • Trojan.Kryptik.Gen.CKX
  • Trojan.ShellcodeRunner.Gen.ET

Files Modified

File Attributes
\device\namedpipe\msse-5891-server Generic Write
\device\namedpipe\msse-817-server Generic Write

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtCreateNamedPipeFile
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtWriteFile
  • UNKNOWN

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