General

  • Target

    profile

  • Size

    12B

  • Sample

    241023-2m6b2ashka

  • MD5

    950c9307757339e4b6eac6b773718444

  • SHA1

    f7caecbf683a59969b8d56ec7284564cc9aa4ae2

  • SHA256

    554c2d37a4ed23371a564108929fc223291b61bb4df60d5382aa4b3c53c280ae

  • SHA512

    a617c4358ed81d3ed74098743db514f080365e3db25c8c99d3cce1582dce90f498ccd93d637313550d18f19a9250d75bf09ef70781361cdf9a3b0843f408350c

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

SeaJv8fhZ7D0

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      profile

    • Size

      12B

    • MD5

      950c9307757339e4b6eac6b773718444

    • SHA1

      f7caecbf683a59969b8d56ec7284564cc9aa4ae2

    • SHA256

      554c2d37a4ed23371a564108929fc223291b61bb4df60d5382aa4b3c53c280ae

    • SHA512

      a617c4358ed81d3ed74098743db514f080365e3db25c8c99d3cce1582dce90f498ccd93d637313550d18f19a9250d75bf09ef70781361cdf9a3b0843f408350c

    • AsyncRat

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

    • Async RAT payload

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks