General

  • Target

    Obekräftade 999014.crdownload

  • Size

    8.5MB

  • Sample

    241204-n5pv4svlbz

  • MD5

    2527f8ae11ff8284413efbafd309eebe

  • SHA1

    0448d5f8e6127247cf928e3bc5f8c36a4a6b7166

  • SHA256

    d595ab589662812007b211536b921b25367411546fbda83d33fa7ef29e9e7d6c

  • SHA512

    7b01d5e244ea7e55f3a0f71d4f2ce3be105b9d268190e9999bb32aca4017a5096b02fb3c04b4826a54906a6005de66ca949b4232f10161b6c4016a6a5d2249bc

  • SSDEEP

    196608:qvtyXaw/YhZIIdyMGkXmyQscGZ0UDh9eAxcqctMy4yU:qFyqEqIIdyMGkXUscGFDh9eAxYlU

Malware Config

Extracted

Family

xworm

C2

45.83.246.140:30120

Attributes
  • Install_directory

    %AppData%

  • install_file

    runtime.exe

Targets

    • Target

      Obekräftade 999014.crdownload

    • Size

      8.5MB

    • MD5

      2527f8ae11ff8284413efbafd309eebe

    • SHA1

      0448d5f8e6127247cf928e3bc5f8c36a4a6b7166

    • SHA256

      d595ab589662812007b211536b921b25367411546fbda83d33fa7ef29e9e7d6c

    • SHA512

      7b01d5e244ea7e55f3a0f71d4f2ce3be105b9d268190e9999bb32aca4017a5096b02fb3c04b4826a54906a6005de66ca949b4232f10161b6c4016a6a5d2249bc

    • SSDEEP

      196608:qvtyXaw/YhZIIdyMGkXmyQscGZ0UDh9eAxcqctMy4yU:qFyqEqIIdyMGkXUscGFDh9eAxYlU

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks