General

  • Target

    a1f6790b7576fb5eee8c0dc29d6c1740

  • Size

    1.4MB

  • Sample

    240224-qpnzzsch54

  • MD5

    a1f6790b7576fb5eee8c0dc29d6c1740

  • SHA1

    662597c705d33f7c6678e68e9b7d4b964ef1bfe2

  • SHA256

    de0d4994a1ad1a24ef1fb67a79be19d78d50d1eb994542ae63385abace8c9b46

  • SHA512

    443cbdecbd5a45f9468a058d3609ace5f79cf19722599e19b1e5634b616fef6c82edca667bef337f99c0152bf0c6cb3fd07a3381afcaafb2444567dfa53500c8

  • SSDEEP

    24576:46yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6Et:XY9UORVOM1jJHzaiape0hsABFRJch6L5

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

GRACED

C2

thankyoulord.ddns.net:5050

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-0S5XD9

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      a1f6790b7576fb5eee8c0dc29d6c1740

    • Size

      1.4MB

    • MD5

      a1f6790b7576fb5eee8c0dc29d6c1740

    • SHA1

      662597c705d33f7c6678e68e9b7d4b964ef1bfe2

    • SHA256

      de0d4994a1ad1a24ef1fb67a79be19d78d50d1eb994542ae63385abace8c9b46

    • SHA512

      443cbdecbd5a45f9468a058d3609ace5f79cf19722599e19b1e5634b616fef6c82edca667bef337f99c0152bf0c6cb3fd07a3381afcaafb2444567dfa53500c8

    • SSDEEP

      24576:46yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6Et:XY9UORVOM1jJHzaiape0hsABFRJch6L5

    • Remcos

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

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scripting

1
T1064

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Scripting

1
T1064

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks