General

  • Target

    1c5d29f57d093799283d07394afdda2e

  • Size

    1.4MB

  • Sample

    231225-al7d6aaahj

  • MD5

    1c5d29f57d093799283d07394afdda2e

  • SHA1

    86d0f7b208367c223047e5f84a3b4641213c55b0

  • SHA256

    0629ae9ce719b554c6424aa99ddb7846c84c5d974ab154b86b93a02fae8b9e7f

  • SHA512

    14e3e63eaa0bf738e28608755fc885660e8d84dd0259eedc33f1c6776cf6fd1766c635cf01f001e8179395df38ee2955964bf7b1374901a3caa112f2f4ca3ac0

  • SSDEEP

    24576:M6yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6E7:TY9UORVOM1jJHzaiape0hsABFRJch6Lv

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

      1c5d29f57d093799283d07394afdda2e

    • Size

      1.4MB

    • MD5

      1c5d29f57d093799283d07394afdda2e

    • SHA1

      86d0f7b208367c223047e5f84a3b4641213c55b0

    • SHA256

      0629ae9ce719b554c6424aa99ddb7846c84c5d974ab154b86b93a02fae8b9e7f

    • SHA512

      14e3e63eaa0bf738e28608755fc885660e8d84dd0259eedc33f1c6776cf6fd1766c635cf01f001e8179395df38ee2955964bf7b1374901a3caa112f2f4ca3ac0

    • SSDEEP

      24576:M6yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6E7:TY9UORVOM1jJHzaiape0hsABFRJch6Lv

    • 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