General

  • Target

    sostener.vbs

  • Size

    3.3MB

  • Sample

    241120-xq4kds1pft

  • MD5

    caa101219c251ee08a30546134d6c2b0

  • SHA1

    23ada7a16f8151997e75fbc7e492ea74eaaf81dc

  • SHA256

    86ca81b6d7f0d020571ab9e3c586d9066bef48f82c3b4aa4abec0e0d86a48765

  • SHA512

    0a241d53ad5bfb3a5e75008968f2cb5d32bf08143e0c0fba29f5447f88cef78d56f822abf5f083413525856edb639e8b8601a8da895ae6d45929b7138c8033a8

  • SSDEEP

    384:bfffftfffftfffftffff9fffftfffftfffftffff4fffftfffftfffftffff9ffH:tDn1C

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://91.202.233.169/Tak/Reg/Marz/DRG/RTC/AD/dll.txt

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Server

C2

dcratwas.duckdns.org:35650

dcratwas.duckdns.org:5999

dcratwas.duckdns.org:46452

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      sostener.vbs

    • Size

      3.3MB

    • MD5

      caa101219c251ee08a30546134d6c2b0

    • SHA1

      23ada7a16f8151997e75fbc7e492ea74eaaf81dc

    • SHA256

      86ca81b6d7f0d020571ab9e3c586d9066bef48f82c3b4aa4abec0e0d86a48765

    • SHA512

      0a241d53ad5bfb3a5e75008968f2cb5d32bf08143e0c0fba29f5447f88cef78d56f822abf5f083413525856edb639e8b8601a8da895ae6d45929b7138c8033a8

    • SSDEEP

      384:bfffftfffftfffftffff9fffftfffftfffftffff4fffftfffftfffftffff9ffH:tDn1C

    • AsyncRat

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

    • Asyncrat family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks