Analysis

  • max time kernel
    150s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06/12/2022, 03:34

General

  • Target

    SecuriteInfo.com.Trojan.MSIL.Crypt.8892.8543.exe

  • Size

    1.0MB

  • MD5

    263a424481c45e0340bd95f6f26570bb

  • SHA1

    74fb7027fb40ff3fd18fdc2ad6c40c76fa9cb258

  • SHA256

    3aa2bf0cfa371eed74387aabf5fb54840747c3b79d5eeb632c8f8ed7a7932645

  • SHA512

    1e6c3cb5f6338fd3a8d7468827d1da9e6c733aae27673b737fd7d15632a0b3b6e0d3799d015aeb85990d7d404b6cbb206971eb5a78ecd4f68d5506243f2463ef

  • SSDEEP

    12288:qcX8QJkULm8TZMXwZ96+PiOIQvRfWq/yAPMR8NTSE3UI72X+isjma3gKZ/nXt7vj:pSUrT/Z0+VRfl6/R8LEI7GW

Score
10/10

Malware Config

Extracted

Family

darkcloud

C2

https://api.telegram.org/bot5637426169:AAH_P4-KucbNFzwchy84SCbxibLRynyCwuA/sendMessage?chat_id=5323697986

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.8892.8543.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.8892.8543.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kXpmjJRxZYTok.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:952
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kXpmjJRxZYTok" /XML "C:\Users\Admin\AppData\Local\Temp\tmp875A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:528
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.8892.8543.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.8892.8543.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:328

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp875A.tmp

    Filesize

    1KB

    MD5

    97df77e74246f2d5f7e7aabff19f9b2a

    SHA1

    80a5684b73f90bd5c0b31004fd7bba1004d5f26d

    SHA256

    3cc9a3d79f5a505ac0eae28c3042b1c85c332478a3323f276d5a3a15ca38cec5

    SHA512

    2cda3f9c66e53e735a4572d381be3d08caffd9cf6f5ba4223c07cf21083f43a79f4d0585bcd14055567b5e08fb93453c1d06a1b810b41406bee8de228cd70e19

  • memory/328-68-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/328-79-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/328-65-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/328-77-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/328-74-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/328-66-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/328-71-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/952-63-0x000000006E5D0000-0x000000006EB7B000-memory.dmp

    Filesize

    5.7MB

  • memory/952-78-0x000000006E5D0000-0x000000006EB7B000-memory.dmp

    Filesize

    5.7MB

  • memory/1632-58-0x00000000056E0000-0x000000000578C000-memory.dmp

    Filesize

    688KB

  • memory/1632-64-0x0000000005790000-0x0000000005806000-memory.dmp

    Filesize

    472KB

  • memory/1632-54-0x0000000000B50000-0x0000000000C58000-memory.dmp

    Filesize

    1.0MB

  • memory/1632-57-0x00000000003B0000-0x00000000003BE000-memory.dmp

    Filesize

    56KB

  • memory/1632-56-0x0000000000280000-0x0000000000296000-memory.dmp

    Filesize

    88KB

  • memory/1632-55-0x00000000757B1000-0x00000000757B3000-memory.dmp

    Filesize

    8KB