General

  • Target

    0b614d10fefb1ac6f1ab64903b6c6db6

  • Size

    1.4MB

  • Sample

    231224-wy4ppahac3

  • MD5

    0b614d10fefb1ac6f1ab64903b6c6db6

  • SHA1

    159c5da03564bcb41044ae591c073c7f494342af

  • SHA256

    f5c4ddae3b5b1f71acf6acc9fd8203bbc195ebab80d4d9e3c9e1a4cdc26c3e15

  • SHA512

    3c87640bb84ca10e9dd157dc54c16074d5303862001a4d8dcd853fc70418cdee3bc8bede6c6c5997ed5b12b39eb163b5ae63b4650f01e3d6b974ea214b133ff4

  • SSDEEP

    24576:C6yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6E7:FY9UORVOM1jJHzaiape0hsABFRJch6Lv

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

      0b614d10fefb1ac6f1ab64903b6c6db6

    • Size

      1.4MB

    • MD5

      0b614d10fefb1ac6f1ab64903b6c6db6

    • SHA1

      159c5da03564bcb41044ae591c073c7f494342af

    • SHA256

      f5c4ddae3b5b1f71acf6acc9fd8203bbc195ebab80d4d9e3c9e1a4cdc26c3e15

    • SHA512

      3c87640bb84ca10e9dd157dc54c16074d5303862001a4d8dcd853fc70418cdee3bc8bede6c6c5997ed5b12b39eb163b5ae63b4650f01e3d6b974ea214b133ff4

    • SSDEEP

      24576:C6yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6E7:FY9UORVOM1jJHzaiape0hsABFRJch6Lv

    • 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