Resubmissions

01/09/2023, 01:00

230901-bcvjnsbf6910

31/08/2023, 22:04

230831-1y9cdsag6v10

General

  • Target
    64f101f326b41.js
  • Size 349KB
  • Sample230901-bcvjnsbf69
  • SHA256 eb4fb6dfdd5331cc15d8a081ac3e99906106f3881135523bd8a362ecc227c819
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • | Edit 3LOSH RAT

Botnet
  • Default

C2
  • nwoork.kozow.com:7707

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      64f101f326b41.js
    • Size 349KB
    • SHA256 eb4fb6dfdd5331cc15d8a081ac3e99906106f3881135523bd8a362ecc227c819
    • MD5 SHA1 SHA512 SSDEEP
    • AsyncRat

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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Async RAT payload

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Registers COM server for autorun

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks