General

  • Target

    SecuriteInfo.com.Win32.CrypterX-gen.14393.22730.exe

  • Size

    1.2MB

  • Sample

    221007-jcdj6abhb3

  • MD5

    15be8b16b4132041249cdb082b7fee5d

  • SHA1

    51d556a7c92898bc8884d171a45b9e976c3afd7d

  • SHA256

    b893cb34f5bdccee94379aed6977ed09b939716cb1e982fb9a88a6ca1e4c1029

  • SHA512

    6b6a86d4a960e830c3eda6365a6a22e7f6dc5e6290e0ba9b54cb0737b2ea10be44ea4af4c251e0604aa1132509eb76f8bf940d2e3aaed551907c3d559ebcaf83

  • SSDEEP

    24576:7ajrXK8RcWpZxCWD1fcv6LMdPJctqy2Gcoc:+PBDCvGM3ct2bb

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.14393.22730.exe

    • Size

      1.2MB

    • MD5

      15be8b16b4132041249cdb082b7fee5d

    • SHA1

      51d556a7c92898bc8884d171a45b9e976c3afd7d

    • SHA256

      b893cb34f5bdccee94379aed6977ed09b939716cb1e982fb9a88a6ca1e4c1029

    • SHA512

      6b6a86d4a960e830c3eda6365a6a22e7f6dc5e6290e0ba9b54cb0737b2ea10be44ea4af4c251e0604aa1132509eb76f8bf940d2e3aaed551907c3d559ebcaf83

    • SSDEEP

      24576:7ajrXK8RcWpZxCWD1fcv6LMdPJctqy2Gcoc:+PBDCvGM3ct2bb

    • 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