General

  • Target
    8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe
  • Size 556KB
  • Sample251212-e1slrsbt7d
  • SHA256 8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • johnsmith77770444.zapto.org:6078

Mutex
  • JOFFLEiKqlmV20hF

Attributes
  • install_file

    XWormClient.exe

aes.plain

Extracted

Family
  • latentbot

C2
  • johnsmith77770444.zapto.org

Targets

    • Target
      8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe
    • Size 556KB
    • SHA256 8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432
    • 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 web browsers

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks