Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-08-2022 12:21

General

  • Target

    Acción de Tutela Rdo. 2022-69184655-615-18963-00.exe

  • Size

    3.9MB

  • MD5

    0fc57104c568a9db8d5e8f9d1dd3ffff

  • SHA1

    b476f5514963b5eb2f090b40b244c97ab177bf17

  • SHA256

    f91e319faf091aa42dcdcb03a069be16ffbbfb243631bf93297ac2c22478ec1c

  • SHA512

    d893e847cb5d7d8f87f89bc719749840d2cf5986147d8a16b49b990c72d3857ccea5e2c591cfaf3cb0e281d7d8ae349bfba206a9df91bd1e01244e94f470dc99

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.

  • UPX packed file 8 IoCs

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

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Acción de Tutela Rdo. 2022-69184655-615-18963-00.exe
    "C:\Users\Admin\AppData\Local\Temp\Acción de Tutela Rdo. 2022-69184655-615-18963-00.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1708
    • 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:1684
    • 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:1216

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1216-72-0x0000000000400000-0x00000000007E4000-memory.dmp
    Filesize

    3.9MB

  • memory/1216-62-0x0000000000400000-0x00000000007E4000-memory.dmp
    Filesize

    3.9MB

  • memory/1216-67-0x00000000007E2720-mapping.dmp
  • memory/1216-68-0x0000000000400000-0x00000000007E4000-memory.dmp
    Filesize

    3.9MB

  • memory/1216-66-0x0000000000400000-0x00000000007E4000-memory.dmp
    Filesize

    3.9MB

  • memory/1216-77-0x0000000000160000-0x000000000016A000-memory.dmp
    Filesize

    40KB

  • memory/1216-76-0x0000000000160000-0x000000000016A000-memory.dmp
    Filesize

    40KB

  • memory/1216-70-0x0000000000400000-0x00000000007E4000-memory.dmp
    Filesize

    3.9MB

  • memory/1216-63-0x0000000000400000-0x00000000007E4000-memory.dmp
    Filesize

    3.9MB

  • memory/1216-65-0x0000000000400000-0x00000000007E4000-memory.dmp
    Filesize

    3.9MB

  • memory/1216-75-0x0000000000400000-0x00000000007E4000-memory.dmp
    Filesize

    3.9MB

  • memory/1216-74-0x0000000000160000-0x000000000016A000-memory.dmp
    Filesize

    40KB

  • memory/1216-73-0x0000000000160000-0x000000000016A000-memory.dmp
    Filesize

    40KB

  • memory/1216-69-0x0000000000400000-0x00000000007E4000-memory.dmp
    Filesize

    3.9MB

  • memory/1684-61-0x000000006F220000-0x000000006F7CB000-memory.dmp
    Filesize

    5.7MB

  • memory/1684-57-0x0000000000000000-mapping.dmp
  • memory/1684-59-0x000000006F220000-0x000000006F7CB000-memory.dmp
    Filesize

    5.7MB

  • memory/1684-60-0x000000006F220000-0x000000006F7CB000-memory.dmp
    Filesize

    5.7MB

  • memory/1708-54-0x00000000008F0000-0x0000000000CD2000-memory.dmp
    Filesize

    3.9MB

  • memory/1708-56-0x0000000005440000-0x000000000571E000-memory.dmp
    Filesize

    2.9MB

  • memory/1708-55-0x0000000076041000-0x0000000076043000-memory.dmp
    Filesize

    8KB