General

  • Target

    fXWlfxf.exe

  • Size

    270KB

  • Sample

    250121-y3grtsyqfv

  • MD5

    b08e25b2e7527dd37baa4352cf143f81

  • SHA1

    5da381243e460e32388f1f0f33988e98ff3cc38f

  • SHA256

    5d3f76dc4c4191ac7baa3ba130abdce26bef47962e7c33645e0a30dd6635eeab

  • SHA512

    2083a53f24c6061cfd6de5b486fe8794730ec964615e8e2dc009e1d5b0de8880f0f8bdb915c860bd79a34f0e8e4b76abc3aea10e36f36b4cabd1a93db1e27853

  • SSDEEP

    3072:+qom4DMrhHWjYyEH4SeeSy7ZCyRlhGSrt1QEiaZiPm2s1P783FzHkAnOfGPxwq6T:+qomfYSerypDGSB1sqq6Ys0M

Malware Config

Extracted

Family

xworm

Version

5.0

C2

83.151.14.2:9572

Mutex

qzYg48lemddFwWYK

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      fXWlfxf.exe

    • Size

      270KB

    • MD5

      b08e25b2e7527dd37baa4352cf143f81

    • SHA1

      5da381243e460e32388f1f0f33988e98ff3cc38f

    • SHA256

      5d3f76dc4c4191ac7baa3ba130abdce26bef47962e7c33645e0a30dd6635eeab

    • SHA512

      2083a53f24c6061cfd6de5b486fe8794730ec964615e8e2dc009e1d5b0de8880f0f8bdb915c860bd79a34f0e8e4b76abc3aea10e36f36b4cabd1a93db1e27853

    • SSDEEP

      3072:+qom4DMrhHWjYyEH4SeeSy7ZCyRlhGSrt1QEiaZiPm2s1P783FzHkAnOfGPxwq6T:+qomfYSerypDGSB1sqq6Ys0M

    • Detect Xworm Payload

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks