Analysis

  • max time kernel
    129s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 17:22

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 4 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:1972
    • 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:3220
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4248,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=3760 /prefetch:8
    1⤵
      PID:4540

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uqbr4enq.mid.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1972-18-0x00007FFFFEA00000-0x00007FFFFF4C1000-memory.dmp

      Filesize

      10.8MB

    • memory/1972-1-0x0000021BC3D10000-0x0000021BC3D32000-memory.dmp

      Filesize

      136KB

    • memory/1972-11-0x00007FFFFEA00000-0x00007FFFFF4C1000-memory.dmp

      Filesize

      10.8MB

    • memory/1972-12-0x00007FFFFEA00000-0x00007FFFFF4C1000-memory.dmp

      Filesize

      10.8MB

    • memory/1972-13-0x0000021BDC220000-0x0000021BDC23C000-memory.dmp

      Filesize

      112KB

    • memory/1972-0-0x00007FFFFEA03000-0x00007FFFFEA05000-memory.dmp

      Filesize

      8KB

    • memory/1972-17-0x00007FFFFEA00000-0x00007FFFFF4C1000-memory.dmp

      Filesize

      10.8MB

    • memory/3220-20-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB

    • memory/3220-27-0x0000000006870000-0x00000000068D6000-memory.dmp

      Filesize

      408KB

    • memory/3220-14-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/3220-21-0x0000000005F50000-0x00000000064F4000-memory.dmp

      Filesize

      5.6MB

    • memory/3220-22-0x0000000005B40000-0x0000000005BD2000-memory.dmp

      Filesize

      584KB

    • memory/3220-23-0x0000000005AF0000-0x0000000005AFA000-memory.dmp

      Filesize

      40KB

    • memory/3220-26-0x0000000006D40000-0x0000000006DDC000-memory.dmp

      Filesize

      624KB

    • memory/3220-19-0x00000000745FE000-0x00000000745FF000-memory.dmp

      Filesize

      4KB

    • memory/3220-28-0x00000000745FE000-0x00000000745FF000-memory.dmp

      Filesize

      4KB

    • memory/3220-30-0x0000000007620000-0x000000000768C000-memory.dmp

      Filesize

      432KB

    • memory/3220-29-0x00000000076A0000-0x0000000007716000-memory.dmp

      Filesize

      472KB

    • memory/3220-31-0x0000000007750000-0x000000000776E000-memory.dmp

      Filesize

      120KB

    • memory/3220-32-0x0000000007800000-0x000000000780A000-memory.dmp

      Filesize

      40KB

    • memory/3220-33-0x00000000745F0000-0x0000000074DA0000-memory.dmp

      Filesize

      7.7MB