General

  • Target

    rBLNO.KHRTMP249013-SINGAPOREEXPRESSV.002W.scr.exe

  • Size

    494KB

  • Sample

    240911-yqy6cazejq

  • MD5

    c7b1b2fe81251ea803f9417deed5f489

  • SHA1

    4de67ca4551be7e994222618c6b798c22cb41d49

  • SHA256

    3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c

  • SHA512

    94522e7f352ff1e4565623cbf25357781f18c0957be288fe1283b5c8ed472a4099104266cb5fdfa53e23f4906273947d5d0c01a9262fffd6517b89068876670b

  • SSDEEP

    12288:ZB7kvDoQ+XDR1UEzAWohnusFqB8++sxG/:ZBow1N5OF0G/

Malware Config

Extracted

Family

xworm

C2

104.250.180.178:7061

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      rBLNO.KHRTMP249013-SINGAPOREEXPRESSV.002W.scr.exe

    • Size

      494KB

    • MD5

      c7b1b2fe81251ea803f9417deed5f489

    • SHA1

      4de67ca4551be7e994222618c6b798c22cb41d49

    • SHA256

      3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c

    • SHA512

      94522e7f352ff1e4565623cbf25357781f18c0957be288fe1283b5c8ed472a4099104266cb5fdfa53e23f4906273947d5d0c01a9262fffd6517b89068876670b

    • SSDEEP

      12288:ZB7kvDoQ+XDR1UEzAWohnusFqB8++sxG/:ZBow1N5OF0G/

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • 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

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks