General

  • Target

    App.bat

  • Size

    453KB

  • Sample

    240704-weld1atalg

  • MD5

    af68d0412846161b3db34d09b1ed5a78

  • SHA1

    95203d4f45ac898eb73b4137da1fc6c950b91c82

  • SHA256

    f23d72bdcc3f87e58929146c283741c7fb63bb9c22ebc68b6b8aa0cf71643e26

  • SHA512

    a9c3ba36615af7ff14b1a956d7f3d7e1f16c7ef2f6d0008294b1ccab6ca07c47026a8185e2031af08c69d752eb203d13b0704c1a9d66d81b4c8af6d61cea7803

  • SSDEEP

    12288:xLsb+2t4v4osoze48cJjOxIiv4Jj5AlW2I9AxL7:xo6r8U8gJjQW2IA7

Malware Config

Extracted

Family

xworm

C2

paris-itself.gl.at.ply.gg:49485

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    USB.exe

Targets

    • Target

      App.bat

    • Size

      453KB

    • MD5

      af68d0412846161b3db34d09b1ed5a78

    • SHA1

      95203d4f45ac898eb73b4137da1fc6c950b91c82

    • SHA256

      f23d72bdcc3f87e58929146c283741c7fb63bb9c22ebc68b6b8aa0cf71643e26

    • SHA512

      a9c3ba36615af7ff14b1a956d7f3d7e1f16c7ef2f6d0008294b1ccab6ca07c47026a8185e2031af08c69d752eb203d13b0704c1a9d66d81b4c8af6d61cea7803

    • SSDEEP

      12288:xLsb+2t4v4osoze48cJjOxIiv4Jj5AlW2I9AxL7:xo6r8U8gJjQW2IA7

    • Detect Xworm Payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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.

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Tasks