Overview

overview

10

Static

static

3

OverwolfXclient.exe

windows7-x64

10

OverwolfXclient.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    OverwolfXclient.exe

  • Size

    1.2MB

  • Sample

    240524-xnla2afe51

  • MD5

    c08106fd9c5999388d5e541743d45d5b

  • SHA1

    571f4333cd757db2870e2459724b545e43ffcc11

  • SHA256

    8d4e23ba1ce9eab2340bad5e14111dc565bbe8de53653375ac3806f448dcc0ac

  • SHA512

    65c2e544e88b63e8d1216731be75f0407784d620af1b2dfa649eb87e9e6408ffa43a3697a94c8d4cf6cc9f8dfc83a0a824397ac75bbdde9fe3440802117e8261

  • SSDEEP

    24576:908rin0gKu22AcpyGCcCBSrikukOqk344WIGu31rg:908rin0gKu22AcpyGC9kTOK4WIGWg

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:7777

45.145.41.147:7777
Mutex

5N4ZirqATbPp1e8c

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    WinBackup.exe

aes.plain

Targets

    • Target

      OverwolfXclient.exe

    • Size

      1.2MB

    • MD5

      c08106fd9c5999388d5e541743d45d5b

    • SHA1

      571f4333cd757db2870e2459724b545e43ffcc11

    • SHA256

      8d4e23ba1ce9eab2340bad5e14111dc565bbe8de53653375ac3806f448dcc0ac

    • SHA512

      65c2e544e88b63e8d1216731be75f0407784d620af1b2dfa649eb87e9e6408ffa43a3697a94c8d4cf6cc9f8dfc83a0a824397ac75bbdde9fe3440802117e8261

    • SSDEEP

      24576:908rin0gKu22AcpyGCcCBSrikukOqk344WIGu31rg:908rin0gKu22AcpyGC9kTOK4WIGWg

    Score
    10/10
    xwormexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks