General

  • Target

    92caa349914a2e9f7d694d1c2ce7d856

  • Size

    1.4MB

  • Sample

    240205-x3km2segb8

  • MD5

    92caa349914a2e9f7d694d1c2ce7d856

  • SHA1

    2541038452323a02595883eedad016b6f210ffd5

  • SHA256

    f2e03050cfe530e817199ed77e97b143d7979fc6072f95c61abc23177a9796e3

  • SHA512

    d8ee3342760ca82ef51a733eb72ac56deaf676886007b0c354ab593e4c7f5195f7fb328e56710a9a6bc901c5a0b51c1d243f2a4436dfefdd2d97c90f1b7f4e7d

  • SSDEEP

    24576:66yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6E7:dY9UORVOM1jJHzaiape0hsABFRJch6Lv

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

      92caa349914a2e9f7d694d1c2ce7d856

    • Size

      1.4MB

    • MD5

      92caa349914a2e9f7d694d1c2ce7d856

    • SHA1

      2541038452323a02595883eedad016b6f210ffd5

    • SHA256

      f2e03050cfe530e817199ed77e97b143d7979fc6072f95c61abc23177a9796e3

    • SHA512

      d8ee3342760ca82ef51a733eb72ac56deaf676886007b0c354ab593e4c7f5195f7fb328e56710a9a6bc901c5a0b51c1d243f2a4436dfefdd2d97c90f1b7f4e7d

    • SSDEEP

      24576:66yJMY9UFoRDhkeYM1jJR97zUbia9JVe0hs5WfBiERJchVML1bT6E7:dY9UORVOM1jJHzaiape0hsABFRJch6Lv

    • 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