General

  • Target

    f30a398eb0462c632f4f3b118e3df9bf_JaffaCakes118

  • Size

    1.4MB

  • Sample

    240416-jtll4ach58

  • MD5

    f30a398eb0462c632f4f3b118e3df9bf

  • SHA1

    dac6b85ac2d972ec5d69a3274aa27af4a5ed7f1d

  • SHA256

    f2063adaa95e31b3859145c379e44660cf4e76bc7e6551062397cf1b8c4d54b1

  • SHA512

    b0203e99cec44710b3c5d6d30f0fa16e6bb0d0f1268e926484f35db72a30bc63f7251aac6426a06458d0be1496f7cb4a681055538475d3c3761c348ea4d49c4a

  • SSDEEP

    24576:a6yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6EV:9Y9UORVOM1jJHzaiape0hsABFRJch6Lp

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

      f30a398eb0462c632f4f3b118e3df9bf_JaffaCakes118

    • Size

      1.4MB

    • MD5

      f30a398eb0462c632f4f3b118e3df9bf

    • SHA1

      dac6b85ac2d972ec5d69a3274aa27af4a5ed7f1d

    • SHA256

      f2063adaa95e31b3859145c379e44660cf4e76bc7e6551062397cf1b8c4d54b1

    • SHA512

      b0203e99cec44710b3c5d6d30f0fa16e6bb0d0f1268e926484f35db72a30bc63f7251aac6426a06458d0be1496f7cb4a681055538475d3c3761c348ea4d49c4a

    • SSDEEP

      24576:a6yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6EV:9Y9UORVOM1jJHzaiape0hsABFRJch6Lp

    • 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