Threat Database Trojans Trojan.Agent.BFI

Trojan.Agent.BFI

By CagedTech in Trojans

Analysis Report

General information

Family Name: Trojan.Agent.BFI
Signature status: No Signature

Known Samples

MD5: d73f956a9a5d9fc887b7c92b765bdcda
SHA1: a682671aed78cf167443702d5ed4a58ec3963206
SHA256: E0C7BB4BFD2A2C327F76BF4943EA6E9C7FA3B5F48AED4316912A1721998E6318
File Size: 1.65 MB, 1654784 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)

Windows PE Version Information

Name Value
Comments Coazervate unkennels caudaite aegithognathae plumous
Company Name Unredeemedly margarins
File Description Protopyramid haploperistomous chards slumberingly septocylindrical
File Version 7.39.123.8
Internal Name Cohobated
Legal Copyright Copyright © Roberdsman alidada hellholes perv
Legal Trademarks Beneurous propwood terrible
Original Filename Refertilizable
Product Name Besteer
Product Version 7.39.123.8

File Traits

  • dll
  • HighEntropy
  • x86

Block Information

Total Blocks: 207
Potentially Malicious Blocks: 24
Whitelisted Blocks: 136
Unknown Blocks: 47

Visual Map

? ? ? ? ? 0 ? ? 0 ? ? ? ? ? x ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 2 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 1 0 0 0 0 0 0 0 0 0 0 2 3 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 1 0 0 0 0 1 0 0 0 1 0 0 0 2 2 0 0 0 0 1 0 0 2 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1 1 0 1 0 0 0 0 0 x x x x x 0 x x x x x x ? x x x x ? x x ? x x x ? ? x ? ? ? x ? x 0
0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

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!NtQueryAttributesFile
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  • ntdll.dll!NtQueryDebugFilterState
  • ntdll.dll!NtQueryInformationProcess
  • 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!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtWriteFile
Process Shell Execute
  • CreateProcess
Anti Debug
  • NtQuerySystemInformation

Shell Command Execution

C:\WINDOWS\SysWOW64\rundll32.exe C:\WINDOWS\system32\rundll32.exe c:\users\user\downloads\a682671aed78cf167443702d5ed4a58ec3963206_0001654784.,LiQMAxHB

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