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Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2024, 01:31

General

  • Target

    JaffaCakes118_0a60b0b06e2a75d029013ccd83601fd23779f13f73d65aca5ea12eeab5277ce8.ps1

  • Size

    659KB

  • MD5

    3d21fb89e34232f14e163d126859187a

  • SHA1

    39fa8b98ab3eff5683f5e8fadc5bfdfb40d8e8d2

  • SHA256

    0a60b0b06e2a75d029013ccd83601fd23779f13f73d65aca5ea12eeab5277ce8

  • SHA512

    9ef24c1f9937095d064eb1483a6b8b9ff3e548f8fd9e67366571c6342d0f187d400cf80ba656d4c4a1bb143403ac76e3f1bd369125e1cb8675fffde78db6bce9

  • SSDEEP

    1536:/PTHAVihnRaut733pgszxDMJrLQcGbT0GB409VbeJCquiZ2Xsk3tnhnwlAVaIciU:i

Malware Config

Extracted

Family

asyncrat

Version

2022 | Edit 3LOSH RAT

Botnet

15-03-2022

C2

185.81.157.7:5523

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a60b0b06e2a75d029013ccd83601fd23779f13f73d65aca5ea12eeab5277ce8.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e4aruqbj.lxd.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2312-13-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2312-17-0x000000007481E000-0x000000007481F000-memory.dmp

    Filesize

    4KB

  • memory/2312-18-0x0000000074810000-0x0000000074FC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2312-19-0x000000007481E000-0x000000007481F000-memory.dmp

    Filesize

    4KB

  • memory/2312-20-0x0000000074810000-0x0000000074FC0000-memory.dmp

    Filesize

    7.7MB

  • memory/2808-0-0x00007FFB67ED3000-0x00007FFB67ED5000-memory.dmp

    Filesize

    8KB

  • memory/2808-1-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp

    Filesize

    10.8MB

  • memory/2808-11-0x00000231E0090000-0x00000231E00B2000-memory.dmp

    Filesize

    136KB

  • memory/2808-12-0x00000231E00C0000-0x00000231E00F6000-memory.dmp

    Filesize

    216KB

  • memory/2808-16-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp

    Filesize

    10.8MB