Overview

overview

10

Static

static

10

XClient.exe

windows10-ltsc_2021-x64

10

XClient.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    XClient.exe
  • Size 30KB
  • Sample260517-2caglsdv3x
  • SHA256 712ef7d45f2b83115c88d5394ebc16f65acf9865cb63d2d58aad3101bffd7042
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xwormbootkitpersistenceprivilege_escalationransomwarerattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 3.0

C2

  • 27.tcp.cpolar.top:13256

Mutex

  • jBM7jPis87zpjhoE

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      XClient.exe
    • Size 30KB
    • SHA256 712ef7d45f2b83115c88d5394ebc16f65acf9865cb63d2d58aad3101bffd7042
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    bootkitxwormpersistenceprivilege_escalationransomwarerattrojan

    • 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

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks