General

  • Target

    BootstrapperNew.exe

  • Size

    2.9MB

  • Sample

    250304-3rdy1stns9

  • MD5

    a6e5c269f23e7de3907676c9b4220e36

  • SHA1

    4fec20effa5aa204a6fb5d6ec6da9efee2b23162

  • SHA256

    7221fe6503a6c7a114a70601e6211093698d74c5286f8ff17822df52b510cfd5

  • SHA512

    9d56b1ce265c47206b650e212f61050f653290a773ab266d774c37e61579015b3e1cc876c240dc31d8878365a1373da7e9df683217323bd63f1ccf2edb636b00

  • SSDEEP

    49152:QLEu3S+KvEhtxXrdoQ9/SSA6d/MxC6U+3SVTlIJMuy4V5jDFQPKW9OTk8o:qjS+KvEFmASRuf6L3aqvFM9O5o

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:36623

fax-scenarios.gl.at.ply.gg:36623

Mutex

iq4Cbvqxc9yxmDW5

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

aes.plain

Targets

    • Target

      BootstrapperNew.exe

    • Size

      2.9MB

    • MD5

      a6e5c269f23e7de3907676c9b4220e36

    • SHA1

      4fec20effa5aa204a6fb5d6ec6da9efee2b23162

    • SHA256

      7221fe6503a6c7a114a70601e6211093698d74c5286f8ff17822df52b510cfd5

    • SHA512

      9d56b1ce265c47206b650e212f61050f653290a773ab266d774c37e61579015b3e1cc876c240dc31d8878365a1373da7e9df683217323bd63f1ccf2edb636b00

    • SSDEEP

      49152:QLEu3S+KvEhtxXrdoQ9/SSA6d/MxC6U+3SVTlIJMuy4V5jDFQPKW9OTk8o:qjS+KvEFmASRuf6L3aqvFM9O5o

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks