Analysis

  • max time kernel
    94s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 18:45

General

  • Target

    BYBBLJDYNKYQRCIW.ps1

  • Size

    553KB

  • MD5

    223b842e87e7d124f133e2b21090e717

  • SHA1

    99c830f860fe5d34b3802a62c790e0c26c7f1e5b

  • SHA256

    1c8e29dbcd8795f22f73483b6e20929e0025fd113cd9b7b760aaf5aec3b5b9ee

  • SHA512

    f83274a71a388b0349cdbfed15ae152cfd3dfb45c22d81171a4e1a74f0a298a53b68d53fc75e15b8b08195f8d5020f33397d5d33dac2aa8826a5894680555db6

  • SSDEEP

    1536:kDh8DyXBs84VhDEak0EyxWq0IxZQjepORUXl9cGnZneXVsl6cGMyQxI:kDhiyXBs84VhDEakbyxWq0IYz2I

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

newjop

C2

backwork07.ddns.net:6666

Mutex

AsyncMutex_raTMpP7xS21cDAE8

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#.

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

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 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\BYBBLJDYNKYQRCIW.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3608
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tng5trub.k2z.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1532-26-0x00000000063E0000-0x000000000647C000-memory.dmp

    Filesize

    624KB

  • memory/1532-32-0x0000000006F50000-0x0000000006F6E000-memory.dmp

    Filesize

    120KB

  • memory/1532-22-0x00000000051D0000-0x0000000005262000-memory.dmp

    Filesize

    584KB

  • memory/1532-23-0x0000000005360000-0x000000000536A000-memory.dmp

    Filesize

    40KB

  • memory/1532-21-0x00000000055A0000-0x0000000005B44000-memory.dmp

    Filesize

    5.6MB

  • memory/1532-14-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/1532-33-0x0000000007020000-0x000000000702A000-memory.dmp

    Filesize

    40KB

  • memory/1532-28-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/1532-19-0x00000000749CE000-0x00000000749CF000-memory.dmp

    Filesize

    4KB

  • memory/1532-20-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/1532-30-0x0000000006EA0000-0x0000000006F16000-memory.dmp

    Filesize

    472KB

  • memory/1532-31-0x0000000006E20000-0x0000000006E8C000-memory.dmp

    Filesize

    432KB

  • memory/1532-29-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/1532-27-0x0000000005EC0000-0x0000000005F26000-memory.dmp

    Filesize

    408KB

  • memory/3608-17-0x00007FFA6CFD0000-0x00007FFA6DA91000-memory.dmp

    Filesize

    10.8MB

  • memory/3608-0-0x00007FFA6CFD3000-0x00007FFA6CFD5000-memory.dmp

    Filesize

    8KB

  • memory/3608-12-0x00007FFA6CFD0000-0x00007FFA6DA91000-memory.dmp

    Filesize

    10.8MB

  • memory/3608-13-0x0000025F66230000-0x0000025F6624C000-memory.dmp

    Filesize

    112KB

  • memory/3608-11-0x00007FFA6CFD0000-0x00007FFA6DA91000-memory.dmp

    Filesize

    10.8MB

  • memory/3608-18-0x00007FFA6CFD0000-0x00007FFA6DA91000-memory.dmp

    Filesize

    10.8MB

  • memory/3608-10-0x0000025F66200000-0x0000025F66222000-memory.dmp

    Filesize

    136KB