Resubmissions

09/12/2025, 07:26

251209-h9p4saen9w10

09/12/2025, 02:46

251209-c9l48stphk10

General

  • Target
    _d28d2788b9d5b476e71fb63b71e36b3eb36fed4ca0152f36fa6f00aab857543f.exe
  • Size 477KB
  • Sample251209-c9l48stphk
  • SHA256 d28d2788b9d5b476e71fb63b71e36b3eb36fed4ca0152f36fa6f00aab857543f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • 158.94.209.169:6077

  • johnsmith77770444.zapto.org:6078

Mutex
  • AX4zgihJB7HHK7jW

Attributes
  • install_file

    pc1.exe

aes.plain
aes.plain

Extracted

Family
  • latentbot

C2
  • johnsmith77770444.zapto.org

Targets

    • Target
      _d28d2788b9d5b476e71fb63b71e36b3eb36fed4ca0152f36fa6f00aab857543f.exe
    • Size 477KB
    • SHA256 d28d2788b9d5b476e71fb63b71e36b3eb36fed4ca0152f36fa6f00aab857543f
    • MD5 SHA1 SHA512 SSDEEP
    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • LatentBot

      Modular trojan written in Delphi which has been in-the-wild since 2013.

    • Latentbot family

    • 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

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks