General

  • Target

    e891b42605aed838a3c8e5be6e5bf491.com.exe

  • Size

    1.3MB

  • Sample

    221014-pp216sddg4

  • MD5

    2385e8dfbfb88478214c112b5752da42

  • SHA1

    bcfd36722ac110657b8629359d0a85d91dfc4158

  • SHA256

    5323dc8bea28e435e02e60851888f0bec221a2e89128443f985a3adc1ff12353

  • SHA512

    63bb666ff1bb875ed0988fc15963d8ee72b8dd41feb6726d526af0b6cb8bfe89a5cf1a1a20e997dc4e0d05718e9c756e843a2f2bfd78642fa59173e25bf4a007

  • SSDEEP

    24576:0AOcZ2i7SEOWDLUpG8hCyJV0TB4PQdTr+Mo5pemHI0YuyqC8guTl:iiH8hCoit4Cxo5EmHWqC8n

Malware Config

Extracted

Family

remcos

Botnet

EXPLORER WDs

C2

198.23.207.34:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-563ZPZ

  • screenshot_crypt

    false

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    PingPongWD

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

vjw0rm

C2

http://129.204.138.203:7974

Extracted

Family

redline

Botnet

Grace

C2

149.56.226.65:5985

Targets

    • Target

      e891b42605aed838a3c8e5be6e5bf491.com.exe

    • Size

      1.3MB

    • MD5

      2385e8dfbfb88478214c112b5752da42

    • SHA1

      bcfd36722ac110657b8629359d0a85d91dfc4158

    • SHA256

      5323dc8bea28e435e02e60851888f0bec221a2e89128443f985a3adc1ff12353

    • SHA512

      63bb666ff1bb875ed0988fc15963d8ee72b8dd41feb6726d526af0b6cb8bfe89a5cf1a1a20e997dc4e0d05718e9c756e843a2f2bfd78642fa59173e25bf4a007

    • SSDEEP

      24576:0AOcZ2i7SEOWDLUpG8hCyJV0TB4PQdTr+Mo5pemHI0YuyqC8guTl:iiH8hCoit4Cxo5EmHWqC8n

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • UAC bypass

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks