General

  • Target

    177310d87f57d767ea043cde619f68af

  • Size

    1.4MB

  • Sample

    231225-mlbzgafhg8

  • MD5

    177310d87f57d767ea043cde619f68af

  • SHA1

    3904457bde46e7f4b0acebbb82d842464086912d

  • SHA256

    460925390be5c99483af58795867220af43254beacc518c077fd7350c01b083c

  • SHA512

    31c5b41b1cc1d5923da71bbc576b7ce9fe9d45148ff3d2660d50d4c42606fba22e3b8da7d19439f32913a899cbcde93306005ab902eba4fd496b604db7c71467

  • SSDEEP

    24576:76yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6Em:mY9UORVOM1jJHzaiape0hsABFRJch6L6

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

      177310d87f57d767ea043cde619f68af

    • Size

      1.4MB

    • MD5

      177310d87f57d767ea043cde619f68af

    • SHA1

      3904457bde46e7f4b0acebbb82d842464086912d

    • SHA256

      460925390be5c99483af58795867220af43254beacc518c077fd7350c01b083c

    • SHA512

      31c5b41b1cc1d5923da71bbc576b7ce9fe9d45148ff3d2660d50d4c42606fba22e3b8da7d19439f32913a899cbcde93306005ab902eba4fd496b604db7c71467

    • SSDEEP

      24576:76yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6Em:mY9UORVOM1jJHzaiape0hsABFRJch6L6

    • 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