Overview

overview

10

Static

static

379838e742...ef.exe

windows7_x64

10

379838e742...ef.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    05/10/2021, 19:43

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General

  • Target
    379838e742cfc29b58df5a63e68a1fef.exe
  • Size 3.0MB
  • Sample211005-ye866safaq
  • SHA256 2774da0c82b3700d74725edf23bef248083b6df616c7b494c05d4b5aec3ef2f2
  • MD5 SHA1 SHA512
Score
10/10
bitrattrojan

Malware Config

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    trojanbitrat
  • BitRAT Payload 3 IoCs
  • Nirsoft 13 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 8 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\379838e742cfc29b58df5a63e68a1fef.exe
    "C:\Users\Admin\AppData\Local\Temp\379838e742cfc29b58df5a63e68a1fef.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1304
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:320
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:812
    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\sc.exe" /WindowState 0 /CommandLine "stop WinDefend" /StartDirectory "" /RunAs 8 /Run
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:748
      • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
        "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 748
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1868
    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /WindowState 0 /CommandLine "rmdir 'C:\ProgramData\Microsoft\Windows Defender' -Recurse" /StartDirectory "" /RunAs 8 /Run
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
        "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 944
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:988
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5; Remove-Item -Path "C:\Users\Admin\AppData\Local\Temp\379838e742cfc29b58df5a63e68a1fef.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1556
    • C:\Users\Admin\AppData\Local\Temp\379838e742cfc29b58df5a63e68a1fef.exe
      C:\Users\Admin\AppData\Local\Temp\379838e742cfc29b58df5a63e68a1fef.exe
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1244

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/320-65-0x0000000002480000-0x00000000030CA000-memory.dmp
        Download

        memory/1244-96-0x0000000000400000-0x00000000007CE000-memory.dmp
        Download

        memory/1244-102-0x0000000000400000-0x00000000007CE000-memory.dmp
        Download

        memory/1304-59-0x0000000002400000-0x000000000304A000-memory.dmp
        Download

        memory/1304-61-0x0000000002400000-0x000000000304A000-memory.dmp
        Download

        memory/1304-60-0x0000000002400000-0x000000000304A000-memory.dmp
        Download

        memory/1556-100-0x0000000000441000-0x0000000000442000-memory.dmp
        Download

        memory/1556-101-0x0000000000442000-0x0000000000444000-memory.dmp
        Download

        memory/1556-99-0x0000000000440000-0x0000000000441000-memory.dmp
        Download

        memory/2008-58-0x0000000004D50000-0x0000000004D51000-memory.dmp
        Download

        memory/2008-55-0x0000000075C11000-0x0000000075C13000-memory.dmp
        Download

        memory/2008-70-0x0000000006D70000-0x0000000006F46000-memory.dmp
        Download

        memory/2008-53-0x00000000012E0000-0x00000000012E1000-memory.dmp
        Download

        memory/2008-69-0x0000000005580000-0x0000000005771000-memory.dmp
        Download