General

  • Target

    BoostFps.rar

  • Size

    90KB

  • Sample

    241119-v5czwatmgr

  • MD5

    e6f93ec01167c61f91ccc0c28bd5f409

  • SHA1

    566a29f4454ec9c35b5c7ef1bb01aa60acc6802d

  • SHA256

    dfdb370890d33f7b005aab5c8fde063d7f38d546eee8eebd82626ce74241596a

  • SHA512

    72966fc9aecab55102ae90adce7279565f999d0f48548bf2a721581d9253ec67a5871bb991ce0d229cf1d2ace152d0d7922d8cc5315170dc2acc14a360363234

  • SSDEEP

    1536:YHS2xxFKsdyzJokYmfjwTeXrvChffXCcH4V6b8WfBHcO6TBhmodjIvGj0G0y:YHFxFKjz1YmLNXbOfbHZHr6/z0+5

Malware Config

Extracted

Family

xworm

C2

45.141.27.248:7777

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

Targets

    • Target

      FPS_BY FILMGODX.exe

    • Size

      98KB

    • MD5

      20f5290def51514fefaed2b744ed961c

    • SHA1

      546f5c611c1d35c5104e2792c76934746f637987

    • SHA256

      3e6f0de70c94df15b3aecb8ce4370e26b62fa38a24bf3710d0d9f0a28b4da656

    • SHA512

      578c4cc3b0375587d13f4b6f28d063322aa4df1dc3a439bc2f22da57475d191b78f7cc6590483ba4462af5a70d7aa73fb6784ae527e46f8e64cb31b3274ef3e2

    • SSDEEP

      3072:gZtcSVYnM7ByozguHogUDqGB5xY7iBCYs9:gXFyaByoUuInqs0

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Modifies boot configuration data using bcdedit

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

MITRE ATT&CK Enterprise v15

Tasks