Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2022 07:13

General

  • Target

    CITACION A AUDIENCIA DE CONCILIACIÓN VIRTUAL 22-2501285 RADICADO 9072022.exe

  • Size

    3.4MB

  • MD5

    627f67f2c7868795e7bf02e94cd8342e

  • SHA1

    9f82602559cb2f309891c2b31e6ced47d6322b15

  • SHA256

    e3f17802355f09925fc6d2b962e6c5af67212b770d37908c6d55ff9c9631dcbb

  • SHA512

    c9615a5e96c60c89490a2f78bce6553daa666796a6b56d4c0701f0e11162d3957a47d9f9ed8c862916ba5aa1d312eace64d004ab024c2d6dc95b2915244af2ec

  • SSDEEP

    98304:bbM8cmtgiAhhrklSDcCdkcr1xP2RrYnLi6oAXc:ZBAhhrVhH1gRP6oec

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

mbappeohalaan.duckdns.org:1880

Attributes
  • communication_password

    202cb962ac59075b964b07152d234b70

  • tor_process

    tor

Signatures

  • BitRAT

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

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CITACION A AUDIENCIA DE CONCILIACIÓN VIRTUAL 22-2501285 RADICADO 9072022.exe
    "C:\Users\Admin\AppData\Local\Temp\CITACION A AUDIENCIA DE CONCILIACIÓN VIRTUAL 22-2501285 RADICADO 9072022.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1416
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
        PID:2296
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        2⤵
          PID:2196
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          2⤵
            PID:1480
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            2⤵
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:4104

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1416-134-0x0000000000000000-mapping.dmp

        • memory/1416-135-0x0000000002280000-0x00000000022B6000-memory.dmp

          Filesize

          216KB

        • memory/1416-136-0x0000000004D40000-0x0000000005368000-memory.dmp

          Filesize

          6.2MB

        • memory/1416-137-0x00000000053E0000-0x0000000005446000-memory.dmp

          Filesize

          408KB

        • memory/1416-138-0x0000000005450000-0x00000000054B6000-memory.dmp

          Filesize

          408KB

        • memory/1416-139-0x0000000005BA0000-0x0000000005BBE000-memory.dmp

          Filesize

          120KB

        • memory/1416-140-0x0000000007210000-0x000000000788A000-memory.dmp

          Filesize

          6.5MB

        • memory/1416-141-0x0000000006080000-0x000000000609A000-memory.dmp

          Filesize

          104KB

        • memory/1424-132-0x00000000005F0000-0x0000000000966000-memory.dmp

          Filesize

          3.5MB

        • memory/1424-133-0x0000000005690000-0x00000000056B2000-memory.dmp

          Filesize

          136KB

        • memory/1480-144-0x0000000000000000-mapping.dmp

        • memory/2196-143-0x0000000000000000-mapping.dmp

        • memory/2296-142-0x0000000000000000-mapping.dmp

        • memory/4104-149-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4104-146-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4104-147-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4104-148-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4104-145-0x0000000000000000-mapping.dmp

        • memory/4104-150-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4104-151-0x00000000744E0000-0x0000000074519000-memory.dmp

          Filesize

          228KB

        • memory/4104-152-0x0000000074880000-0x00000000748B9000-memory.dmp

          Filesize

          228KB

        • memory/4104-153-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4104-154-0x00000000744E0000-0x0000000074519000-memory.dmp

          Filesize

          228KB

        • memory/4104-155-0x0000000074880000-0x00000000748B9000-memory.dmp

          Filesize

          228KB