Threat Database Trojans Trojan.Grandoreiro.F

Trojan.Grandoreiro.F

By CagedTech in Trojans

Threat Scorecard

Popularity Rank: 12,293
Threat Level: 80 % (High)
Infected Computers: 79
First Seen: March 15, 2022
Last Seen: October 24, 2025
OS(es) Affected: Windows

Analysis Report

General information

Family Name: Trojan.Grandoreiro.F
Signature status: No Signature

Known Samples

MD5: 1bcecde286a5495d467e6417c6b7ee86
SHA1: f4c4048789f7fe7139edea62f168ad63a5fbaa66
SHA256: F4D08CABA803ED1529CD087A94D5EBE004801F0E6AE13C6E950C2F7852054D06
File Size: 4.61 MB, 4608512 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have debug information
  • File doesn't have security information
  • File has exports table
  • 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)
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  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Traits

  • 2+ executable sections
  • dll
  • VirtualQueryEx
  • x86

Block Information

Total Blocks: 11,523
Potentially Malicious Blocks: 11
Whitelisted Blocks: 11,508
Unknown Blocks: 4

Visual Map

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... Data truncated
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

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Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtClose
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtProtectVirtualMemory
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  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • ntdll.dll!NtQueryInformationThread
  • ntdll.dll!NtQueryInformationToken
  • ntdll.dll!NtQuerySystemInformationEx
  • ntdll.dll!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtReadFile
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationFile
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWriteFile
  • ntdll.dll!NtWriteVirtualMemory
  • win32u.dll!NtUserGetKeyboardLayout
  • win32u.dll!NtUserGetThreadState
Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\f4c4048789f7fe7139edea62f168ad63a5fbaa66_0004608512.,LiQMAxHB

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