General

  • Target

    SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe

  • Size

    769KB

  • Sample

    230413-t1cymscf88

  • MD5

    5cb35f5245804a77734a1f5ec3d9cd9d

  • SHA1

    1bb8f22923214d6d06123227147306ed35af6bf0

  • SHA256

    8158105e4cb87778d3714e6ab22a16251ffa4475124a8269fa6e722e016e3e1a

  • SHA512

    0c64e76ceec5943b505b28bf33136294b385e237a4a9df52984e9745ec57b6a0a1c0bd09933dad77088f8b7886dac2b232519243e4f6b0649d5182f25aaca890

  • SSDEEP

    12288:cjtATpxC7cYFqGwib8yzaeCvFJIqtIz2X7kJ/PufCUWUo2:cjt2pHYkUraDvFTIaLkJ/Pu/ro

Malware Config

Extracted

Family

remcos

Botnet

Razor

C2

20.251.10.189:2349

Attributes
  • audio_folder

    MicRecords

  • 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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    oldcoss.dat

  • keylog_flag

    false

  • keylog_path

    %UserProfile%

  • mouse_option

    false

  • mutex

    razorsormo-2HAQFI

  • 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

Targets

    • Target

      SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe

    • Size

      769KB

    • MD5

      5cb35f5245804a77734a1f5ec3d9cd9d

    • SHA1

      1bb8f22923214d6d06123227147306ed35af6bf0

    • SHA256

      8158105e4cb87778d3714e6ab22a16251ffa4475124a8269fa6e722e016e3e1a

    • SHA512

      0c64e76ceec5943b505b28bf33136294b385e237a4a9df52984e9745ec57b6a0a1c0bd09933dad77088f8b7886dac2b232519243e4f6b0649d5182f25aaca890

    • SSDEEP

      12288:cjtATpxC7cYFqGwib8yzaeCvFJIqtIz2X7kJ/PufCUWUo2:cjt2pHYkUraDvFTIaLkJ/Pu/ro

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Remcos

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

    • ModiLoader Second Stage

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Tasks