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General

  • Target

    Nursultan.exe

  • Size

    16.7MB

  • Sample

    240113-svmefsbedp

  • MD5

    eab2c03bac785b39aa5b922228e545d7

  • SHA1

    d448d04b5279adc89526fbc629f3554294c25e09

  • SHA256

    769827f1fb8e32c008c44e92d979c9a50aaf10d03630200d328ee638ab0d0490

  • SHA512

    1918307a459896071a3de825a583d1c8a0fa36a11e4fe7fcd8670d53b409f3f2d7d392234d48208bf134790a1219fb070d8bc729c5d54678231bbc49dd7713e2

  • SSDEEP

    393216:GvXteZKqGoyEQlSAVOfIXT9lDViRtKsIEQ3MCLaK:GvXtyKq5+SAMfCZiPNIEQcCL

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

shall-someone.gl.at.ply.gg:60408

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    vindevs

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_kixjmsbwpikjkoa

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    60

  • startup_value

    Dlscord

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hakim32.ddns.net:2000

dead-reviewer.gl.at.ply.gg:60161

Mutex

90319c19387bbc36810cf2f727f01c05

Attributes
  • reg_key

    90319c19387bbc36810cf2f727f01c05

  • splitter

    |'|'|

Targets

    • Target

      Nursultan.exe

    • Size

      16.7MB

    • MD5

      eab2c03bac785b39aa5b922228e545d7

    • SHA1

      d448d04b5279adc89526fbc629f3554294c25e09

    • SHA256

      769827f1fb8e32c008c44e92d979c9a50aaf10d03630200d328ee638ab0d0490

    • SHA512

      1918307a459896071a3de825a583d1c8a0fa36a11e4fe7fcd8670d53b409f3f2d7d392234d48208bf134790a1219fb070d8bc729c5d54678231bbc49dd7713e2

    • SSDEEP

      393216:GvXteZKqGoyEQlSAVOfIXT9lDViRtKsIEQ3MCLaK:GvXtyKq5+SAMfCZiPNIEQcCL

    • Modifies WinLogon for persistence

    • Modifies Windows Defender Real-time Protection settings

    • Remcos

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

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Adds policy Run key to start application

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Modifies WinLogon

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks