General

  • Target

    SecuriteInfo.com.Win32.CrypterX-gen.20889.6926.exe

  • Size

    1.5MB

  • Sample

    221006-pfgc4sheem

  • MD5

    a677842c04afab45e85049c32770c8e1

  • SHA1

    94d21bc83af22048b4b0f086b12f3e0c4f106fb2

  • SHA256

    00233105478fa8030ed5921ce8bd12897acf1e713f76b0cb335afb3df76d8aae

  • SHA512

    1e7d608741ae6dc857be7ab0512866bf04f994a78932686bca75dcd0bf68b64f946cf6a7e84eb427f11d01f40c506b7f600a7d9fd138d76e5562d651b9cd77c9

  • SSDEEP

    24576:vOTyb+TsgF2JUH1QGNdZi4GViWYGEv0pgCvWNz5zmlskkHEOjr5E:pWF22Hl3GcOpg3hSskeR

Malware Config

Extracted

Family

remcos

Botnet

XP

C2

xpremcuz300622.ddns.net:3542

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    oos.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Remcos-MMP2I7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    kkl

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      SecuriteInfo.com.Win32.CrypterX-gen.20889.6926.exe

    • Size

      1.5MB

    • MD5

      a677842c04afab45e85049c32770c8e1

    • SHA1

      94d21bc83af22048b4b0f086b12f3e0c4f106fb2

    • SHA256

      00233105478fa8030ed5921ce8bd12897acf1e713f76b0cb335afb3df76d8aae

    • SHA512

      1e7d608741ae6dc857be7ab0512866bf04f994a78932686bca75dcd0bf68b64f946cf6a7e84eb427f11d01f40c506b7f600a7d9fd138d76e5562d651b9cd77c9

    • SSDEEP

      24576:vOTyb+TsgF2JUH1QGNdZi4GViWYGEv0pgCvWNz5zmlskkHEOjr5E:pWF22Hl3GcOpg3hSskeR

    • Remcos

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks