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General

  • Target

    C0D3X17 (123).rar

  • Size

    37.5MB

  • Sample

    250205-xv98qs1mgp

  • MD5

    6fd4cf19af37d9fc8860f00675d3d068

  • SHA1

    1b1d72a7d677c1f982d7b46054e904f8619040f4

  • SHA256

    b26f3837d1069076e8e4a4e0dd77c0a375452a8f1829bfdb9bcbc44e01d3347f

  • SHA512

    3cf415dda7f6fc27a5e2a022e837178a4f4ef3e78373cc14454ba1e85aa467308d1fa81a09293a4d7e1c7dd6a6511d1492e9b46654d99af4e98cc18361de154c

  • SSDEEP

    786432:JCqf2YINtXHgh1EiZwgEMLFuBwhamncUpFKJnBh/4UF10hxKqu+J3xtKadQ:IFYINtaEU4MRk4cQFKJBh/NFuxKqP3xu

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

1VeDwfujGeaxOsgJ

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      C0D3X17 (123).rar

    • Size

      37.5MB

    • MD5

      6fd4cf19af37d9fc8860f00675d3d068

    • SHA1

      1b1d72a7d677c1f982d7b46054e904f8619040f4

    • SHA256

      b26f3837d1069076e8e4a4e0dd77c0a375452a8f1829bfdb9bcbc44e01d3347f

    • SHA512

      3cf415dda7f6fc27a5e2a022e837178a4f4ef3e78373cc14454ba1e85aa467308d1fa81a09293a4d7e1c7dd6a6511d1492e9b46654d99af4e98cc18361de154c

    • SSDEEP

      786432:JCqf2YINtXHgh1EiZwgEMLFuBwhamncUpFKJnBh/4UF10hxKqu+J3xtKadQ:IFYINtaEU4MRk4cQFKJBh/NFuxKqP3xu

    • Detect Xworm Payload

    • Njrat family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks