Analysis

  • max time kernel
    301s
  • max time network
    303s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    28-06-2022 16:38

General

  • Target

    Radicación Ref. AMH-9484-2022 , PRIMERA INSTANCIA.exe

  • Size

    62KB

  • MD5

    c3ec390f9540222363623f223fb34ee7

  • SHA1

    b0d0ad1a8a2bd3647779dad824871946210292cc

  • SHA256

    242be69b82dd980914a4dd090ba44f60de9af23a5ffa8fdd9b4d8ea243212c41

  • SHA512

    780dbe0d64f4e45cef2fb4248370a3fbd7130376f2f6765e669bfdc50ef9a5cc602d4dc460d2c83b51a4c07826a880ee03545572660c47b44d9ba8a8a28333fc

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

markemoney.con-ip.com:3005

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.

  • suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

    suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Radicación Ref. AMH-9484-2022 , PRIMERA INSTANCIA.exe
    "C:\Users\Admin\AppData\Local\Temp\Radicación Ref. AMH-9484-2022 , PRIMERA INSTANCIA.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:4876
    • 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:1508
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4072

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1508-139-0x0000000006090000-0x00000000060AE000-memory.dmp

    Filesize

    120KB

  • memory/1508-141-0x0000000006580000-0x000000000659A000-memory.dmp

    Filesize

    104KB

  • memory/1508-140-0x0000000007920000-0x0000000007F9A000-memory.dmp

    Filesize

    6.5MB

  • memory/1508-133-0x0000000000000000-mapping.dmp

  • memory/1508-134-0x0000000002780000-0x00000000027B6000-memory.dmp

    Filesize

    216KB

  • memory/1508-135-0x00000000053F0000-0x0000000005A18000-memory.dmp

    Filesize

    6.2MB

  • memory/1508-136-0x00000000052D0000-0x00000000052F2000-memory.dmp

    Filesize

    136KB

  • memory/1508-137-0x0000000005A20000-0x0000000005A86000-memory.dmp

    Filesize

    408KB

  • memory/1508-138-0x0000000005A90000-0x0000000005AF6000-memory.dmp

    Filesize

    408KB

  • memory/4072-148-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4072-146-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4072-153-0x00000000751F0000-0x0000000075229000-memory.dmp

    Filesize

    228KB

  • memory/4072-152-0x0000000074E70000-0x0000000074EA9000-memory.dmp

    Filesize

    228KB

  • memory/4072-143-0x0000000000000000-mapping.dmp

  • memory/4072-144-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4072-145-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4072-151-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4072-147-0x0000000000400000-0x00000000007E4000-memory.dmp

    Filesize

    3.9MB

  • memory/4072-150-0x00000000751F0000-0x0000000075229000-memory.dmp

    Filesize

    228KB

  • memory/4072-149-0x0000000074E70000-0x0000000074EA9000-memory.dmp

    Filesize

    228KB

  • memory/4876-130-0x0000000000940000-0x0000000000954000-memory.dmp

    Filesize

    80KB

  • memory/4876-132-0x0000000006320000-0x000000000633E000-memory.dmp

    Filesize

    120KB

  • memory/4876-142-0x0000000005F80000-0x0000000006012000-memory.dmp

    Filesize

    584KB

  • memory/4876-131-0x0000000006340000-0x00000000063B6000-memory.dmp

    Filesize

    472KB