General

  • Target

    4e66fdbc38893f545b9088331861312e46e612bc9f4f96a9c88b286588680bf9.vbs

  • Size

    167KB

  • Sample

    241218-czbkrazqcn

  • MD5

    3c217b6a70e1ff5e6ecb71ca0e89644a

  • SHA1

    d158bcee429368797c22f4c2f9a305c2ff37beae

  • SHA256

    4e66fdbc38893f545b9088331861312e46e612bc9f4f96a9c88b286588680bf9

  • SHA512

    38bb4918e229bb83c0f7f4f3ca086253f22197f44887f81dbe4aad019811b91799bc9206155c99906855372cdc0eb09f778913d8d2b59423c3b5e550585672db

  • SSDEEP

    1536:groJZFpjN3Z5cpeYTXOnBodK/fI81ltCwKoAVTmT2xc1k3TjSjjXuw7dk+aojwE3:grorj9Z5ccYKKIIyScjXx7dk+aojD

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://res.cloudinary.com/dzvai86uh/image/upload/v1734315244/m3gtbqktvnocyvm410aa.jpg

exe.dropper

https://res.cloudinary.com/dzvai86uh/image/upload/v1734315244/m3gtbqktvnocyvm410aa.jpg

Extracted

Family

remcos

Botnet

NEW

C2

rem.pushswroller.eu:23101

firewarzone.ydns.eu:23101

sun.drillmmcsnk.eu:23101

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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

    remcos

  • mouse_option

    false

  • mutex

    Rmcghghyrtssxr-7RL1P2

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      4e66fdbc38893f545b9088331861312e46e612bc9f4f96a9c88b286588680bf9.vbs

    • Size

      167KB

    • MD5

      3c217b6a70e1ff5e6ecb71ca0e89644a

    • SHA1

      d158bcee429368797c22f4c2f9a305c2ff37beae

    • SHA256

      4e66fdbc38893f545b9088331861312e46e612bc9f4f96a9c88b286588680bf9

    • SHA512

      38bb4918e229bb83c0f7f4f3ca086253f22197f44887f81dbe4aad019811b91799bc9206155c99906855372cdc0eb09f778913d8d2b59423c3b5e550585672db

    • SSDEEP

      1536:groJZFpjN3Z5cpeYTXOnBodK/fI81ltCwKoAVTmT2xc1k3TjSjjXuw7dk+aojwE3:grorj9Z5ccYKKIIyScjXx7dk+aojD

    • Remcos

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

    • Remcos family

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks