Overview

overview

10

Static

static

10

3tb.exe

windows10-2004-x64

10

3tb.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    3tb.exe
  • Size 32KB
  • Sample260925-31hcsszz2r
  • SHA256 48d86c7b8fff38a191671aec1fb9b0523a98292f1acb938e9dccbaed240f91b9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xwormdiscoveryexecutionpersistenceprivilege_escalationransomwarerattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • 6.tcp.cpolar.cn:14575

Mutex

  • uOgHnAIFrdJFp4RO

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      3tb.exe
    • Size 32KB
    • SHA256 48d86c7b8fff38a191671aec1fb9b0523a98292f1acb938e9dccbaed240f91b9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutionxwormpersistenceprivilege_escalationransomwarerattrojan

    • 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

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Modifies system executable filetype association

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks