General

  • Target
    trut emulator.rar
  • Size 1.6MB
  • Sample260330-sjsgbsds6q
  • SHA256 562c77bd14c302bb61c2ce85c6fcb759dd9b5d394f90e363eafffa9db011c367
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 3.1

C2
  • 0kkp6fidn.localto.net:7346

  • 0kkp6fidn.localto.net:1612

Mutex
  • y5fcKb0LF8wGV5bO

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    USB.exe

aes.plain
aes.plain

Targets

    • Target
      trut emulator.rar
    • Size 1.6MB
    • SHA256 562c77bd14c302bb61c2ce85c6fcb759dd9b5d394f90e363eafffa9db011c367
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      test.exe
    • Size 39KB
    • SHA256 bc38c0e870126e751176393615cf548ea2df1a44f3911f0a5cf4a1408c29b379
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • 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

    • Looks up external IP address via web service

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

    • Target
      text.exe
    • Size 39KB
    • SHA256 d628fa5dbbf7e65583a2577b15db6415550fd2a47df471afb3b00247f5f7a438
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • 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

    • Looks up external IP address via web service

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

    • Target
      trut emulator/trut emulator.exe
    • Size 1.8MB
    • SHA256 3bcf9be0e623ddf9d887e238ed135179b7177e487294a7e32c5b38189fa63213
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks