Overview

overview

10

Static

static

10

41b5691a92...dd.exe

windows7_x64

10

41b5691a92...dd.exe

windows10_x64

10

Sharing

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General

  • Target
    41b5691a9272ab9dcb87a5f3f106da073fc3d2c4aea1abd78ac7b3af4cbbffdd
  • Size 799KB
  • Sample210831-4c3gef4was
  • SHA256 41b5691a9272ab9dcb87a5f3f106da073fc3d2c4aea1abd78ac7b3af4cbbffdd
  • MD5 SHA1 SHA512
Score
10/10
asyncratmacropersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.7B

C2

  • null:null

Mutex

  • AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    dDhvNMBYIS0cSEdqEZsTWnat4JCbi1fh

  • anti_detection

    false

  • autorun

    true

  • bdos

    false

  • delay

    ASE_2

  • host

    null

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    https://aa.larinax999.repl.co

  • port

    null

  • version

    0.5.7B

aes.plain

Targets

    • Target
      41b5691a9272ab9dcb87a5f3f106da073fc3d2c4aea1abd78ac7b3af4cbbffdd
    • Size 799KB
    • SHA256 41b5691a9272ab9dcb87a5f3f106da073fc3d2c4aea1abd78ac7b3af4cbbffdd
    • MD5 SHA1 SHA512
    Score
    10/10
    asyncratmacropersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Suspicious Office macro

      Office document equipped with macros.

      macro

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks