General

  • Target

    downloader.exe

  • Size

    30.1MB

  • Sample

    250121-p6pr6svncr

  • MD5

    44587b1e41b785cb2f8cd0d3dc282276

  • SHA1

    222be625061bf4b830a7dd5fc2be5e581352ae85

  • SHA256

    7e26322a3252a0a583435dd06fcc8827157876daf32796b117bac7045b86b149

  • SHA512

    f5ea163edbcc9ce46c6e09a7043036a261393358f95223253913d7eb6b076567c6d497769b0649d6c52614f46a97dbf59429af804e5a0adcbbf253d4fad5a0cb

  • SSDEEP

    393216:RQgHDlanaGBXvDKtz+bhPWES4tiNQPNrIKc4gaPbUAgrO4mgQ96l+ZArYsFRlc:R3on1HvSzxAMNQFZArYs0

Malware Config

Extracted

Family

vidar

C2

https://t.me/sc1phell

https://steamcommunity.com/profiles/76561199819539662

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:136.0) Gecko/20100101 Firefox/136.0

Extracted

Family

xworm

Version

3.1

C2

83.38.24.1:1603

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    USB.exe

Targets

    • Target

      downloader.exe

    • Size

      30.1MB

    • MD5

      44587b1e41b785cb2f8cd0d3dc282276

    • SHA1

      222be625061bf4b830a7dd5fc2be5e581352ae85

    • SHA256

      7e26322a3252a0a583435dd06fcc8827157876daf32796b117bac7045b86b149

    • SHA512

      f5ea163edbcc9ce46c6e09a7043036a261393358f95223253913d7eb6b076567c6d497769b0649d6c52614f46a97dbf59429af804e5a0adcbbf253d4fad5a0cb

    • SSDEEP

      393216:RQgHDlanaGBXvDKtz+bhPWES4tiNQPNrIKc4gaPbUAgrO4mgQ96l+ZArYsFRlc:R3on1HvSzxAMNQFZArYs0

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks