General

  • Target

    ScanDocumenstfileso208499494973738448484.exe

  • Size

    677KB

  • Sample

    230214-ewyxzsaa6s

  • MD5

    6ae419b71e5b2abe084ea11bd71c6bdf

  • SHA1

    2f336e3a8d7b63c17af0a5035b07bf2889fcd490

  • SHA256

    c3590c9943ef8ebc4c4b428dd8d5ca97e7855b4a86ef8db6913316d7711ea8a3

  • SHA512

    996bd040f5247f4ef97184f76500ef6b5b0f4c7920c40998a366932ebbd94b02911fec6070022ef892f2b3a8bada7786a41157f23029129ac231939fe836b5fc

  • SSDEEP

    12288:+J8P4O2utBLvuQ4ZNn1AjnJzQFftOZCcgy:mIWutBLm/NnoJzQFW

Malware Config

Extracted

Family

remcos

Botnet

CASSANDRA-CRYPTER

C2

www.supremeswitchgear.com:2404

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

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    rcm

  • mouse_option

    false

  • mutex

    Rmc-XUTYB1

  • 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

      ScanDocumenstfileso208499494973738448484.exe

    • Size

      677KB

    • MD5

      6ae419b71e5b2abe084ea11bd71c6bdf

    • SHA1

      2f336e3a8d7b63c17af0a5035b07bf2889fcd490

    • SHA256

      c3590c9943ef8ebc4c4b428dd8d5ca97e7855b4a86ef8db6913316d7711ea8a3

    • SHA512

      996bd040f5247f4ef97184f76500ef6b5b0f4c7920c40998a366932ebbd94b02911fec6070022ef892f2b3a8bada7786a41157f23029129ac231939fe836b5fc

    • SSDEEP

      12288:+J8P4O2utBLvuQ4ZNn1AjnJzQFftOZCcgy:mIWutBLm/NnoJzQFW

    • 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

2
T1112

Install Root Certificate

1
T1130

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Remote System Discovery

1
T1018

Tasks