Resubmissions

10-02-2025 03:23

250210-dxrdvszrgv 10

10-02-2025 03:16

250210-dspdpszqhw 10

General

  • Target

    OrcusRAT.exe

  • Size

    16.3MB

  • Sample

    250210-dxrdvszrgv

  • MD5

    bec4a5b0b6db81ce39d6f2e3721911e3

  • SHA1

    4d5cff870c8012f0978ecb6d4a579dc84a4f2ad3

  • SHA256

    9b52478f24a02f622d71fc14c484e03dd240f0ac0b9166e0b58defa0edfc0404

  • SHA512

    8990173964cd8ff719ac3f524e0ba6c5a99c815ecf6549cf67b126e7d581b8a2a8bc1432fc7d844f5e4b590b3554ee320370968be3fc5b7c623d3e8b29d8b1c6

  • SSDEEP

    196608:CI6JYPVMxrZbapOU4SxTtn52dQ2CIierfBrec1CoHktdsXNPIawd4D3jtg4neJx0:C9JYaxrckZxQ2I431HHiWE63ju4en

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:32934

skidderhay-32934.portmap.host:32934

Mutex

lbyKzAzevfD9uOTG

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    USB.exe

aes.plain

Targets

    • Target

      OrcusRAT.exe

    • Size

      16.3MB

    • MD5

      bec4a5b0b6db81ce39d6f2e3721911e3

    • SHA1

      4d5cff870c8012f0978ecb6d4a579dc84a4f2ad3

    • SHA256

      9b52478f24a02f622d71fc14c484e03dd240f0ac0b9166e0b58defa0edfc0404

    • SHA512

      8990173964cd8ff719ac3f524e0ba6c5a99c815ecf6549cf67b126e7d581b8a2a8bc1432fc7d844f5e4b590b3554ee320370968be3fc5b7c623d3e8b29d8b1c6

    • SSDEEP

      196608:CI6JYPVMxrZbapOU4SxTtn52dQ2CIierfBrec1CoHktdsXNPIawd4D3jtg4neJx0:C9JYaxrckZxQ2I431HHiWE63ju4en

    • Detect Xworm Payload

    • Orcus

      Orcus is a Remote Access Trojan that is being sold on underground forums.

    • Orcus family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Orcurs Rat Executable

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • 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

MITRE ATT&CK Enterprise v15

Tasks