General

  • Target

    Invoice_891979.exe

  • Size

    1.0MB

  • Sample

    231213-njvjgabher

  • MD5

    e05fb8774765ed36cf42c340e52e23da

  • SHA1

    703d9908a0b2784ba6e8875bfb010d52e19b4ef0

  • SHA256

    61ab894e68dcc97a0625f69f6f70305a57d653f9cad34b9ed2c3d206b9a345c3

  • SHA512

    6f0a5814983554339c899c19ee9e705b2a48c9aa31403e477301e52518eb518336ad8ce8be03a971909c1717ac630c8667a10d59f1ff6f1cc9175797a6c8b3e6

  • SSDEEP

    24576:UJJAAZhc5ff9bNSNLvn6x1ohhERWY+YQnIHNc:qnZSF8NbONRN+YQ

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

jburg.net:3363

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-Y4B0AA

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Invoice_891979.exe

    • Size

      1.0MB

    • MD5

      e05fb8774765ed36cf42c340e52e23da

    • SHA1

      703d9908a0b2784ba6e8875bfb010d52e19b4ef0

    • SHA256

      61ab894e68dcc97a0625f69f6f70305a57d653f9cad34b9ed2c3d206b9a345c3

    • SHA512

      6f0a5814983554339c899c19ee9e705b2a48c9aa31403e477301e52518eb518336ad8ce8be03a971909c1717ac630c8667a10d59f1ff6f1cc9175797a6c8b3e6

    • SSDEEP

      24576:UJJAAZhc5ff9bNSNLvn6x1ohhERWY+YQnIHNc:qnZSF8NbONRN+YQ

    • Detect ZGRat V1

    • Remcos

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

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Checks computer location settings

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks