General

  • Target

    7d6e946592986be2a5f72c17860a55fcd18a8a42aa9b8ae32069627ad2539796

  • Size

    1.1MB

  • Sample

    221104-crhzvscbdr

  • MD5

    49bf1615892e0dfc9db1455b538e832e

  • SHA1

    0464b5d4627ebf78fd420f812c7d8e7b33aad701

  • SHA256

    7d6e946592986be2a5f72c17860a55fcd18a8a42aa9b8ae32069627ad2539796

  • SHA512

    e87e6816746f6908b7b1ceac96d304f2fd5aa6c41e9f2fc709038e9d3318e84a5efb9641d5a2deb9d6f941e1f58f1a09f96363e1e04127daf9287c56e5493b12

  • SSDEEP

    24576:K/4fNm20FHBymjchWiZrmw7FW+yakDNTyag1cq8TAqbD:BNIxQmDum8yaaydUD

Malware Config

Extracted

Family

remcos

Botnet

IYKE

C2

76.8.53.133:1198

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    explorer.exe

  • copy_folder

    machines

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    12345MEEE

  • mouse_option

    false

  • mutex

    12345MEEE-NS9UK1

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    explorer

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      7d6e946592986be2a5f72c17860a55fcd18a8a42aa9b8ae32069627ad2539796

    • Size

      1.1MB

    • MD5

      49bf1615892e0dfc9db1455b538e832e

    • SHA1

      0464b5d4627ebf78fd420f812c7d8e7b33aad701

    • SHA256

      7d6e946592986be2a5f72c17860a55fcd18a8a42aa9b8ae32069627ad2539796

    • SHA512

      e87e6816746f6908b7b1ceac96d304f2fd5aa6c41e9f2fc709038e9d3318e84a5efb9641d5a2deb9d6f941e1f58f1a09f96363e1e04127daf9287c56e5493b12

    • SSDEEP

      24576:K/4fNm20FHBymjchWiZrmw7FW+yakDNTyag1cq8TAqbD:BNIxQmDum8yaaydUD

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks