General

  • Target

    86ffe66472be6ff6bd7931001bf0bfcb5f88bd76bac7c5ae1b366c2d6234088f.exe

  • Size

    551KB

  • Sample

    250305-dk1rrswzc1

  • MD5

    5ed7cd000af88d1d45ab776014efc310

  • SHA1

    90aafc2ab9d80ee249ec8ce2482156c2964e1231

  • SHA256

    86ffe66472be6ff6bd7931001bf0bfcb5f88bd76bac7c5ae1b366c2d6234088f

  • SHA512

    74a7ee091fd3d5e9ade00011874b8c7f216b06845925a174b44dc399ca8f435939c1607ea7ed75cc4329a8a0023a0fb5423dde05739bc78b19109c23a3dc95fd

  • SSDEEP

    12288:0/Yp50g7ZeK50g72OVVyEqJUhkPbwoxC0WLU/1RQIXp0W:Jp5F7AK5F7PV8jJUhoC0WIdRZ

Malware Config

Extracted

Family

xworm

Version

3.1

C2

193.23.160.31:1760

Mutex

H1hx0NXdYm1SIVHw

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Targets

    • Target

      86ffe66472be6ff6bd7931001bf0bfcb5f88bd76bac7c5ae1b366c2d6234088f.exe

    • Size

      551KB

    • MD5

      5ed7cd000af88d1d45ab776014efc310

    • SHA1

      90aafc2ab9d80ee249ec8ce2482156c2964e1231

    • SHA256

      86ffe66472be6ff6bd7931001bf0bfcb5f88bd76bac7c5ae1b366c2d6234088f

    • SHA512

      74a7ee091fd3d5e9ade00011874b8c7f216b06845925a174b44dc399ca8f435939c1607ea7ed75cc4329a8a0023a0fb5423dde05739bc78b19109c23a3dc95fd

    • SSDEEP

      12288:0/Yp50g7ZeK50g72OVVyEqJUhkPbwoxC0WLU/1RQIXp0W:Jp5F7AK5F7PV8jJUhoC0WIdRZ

    • 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.

    • Checks computer location settings

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

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks