Overview

overview

10

Static

static

1

Installer.bat

windows7-x64

8

Installer.bat

windows10-2004-x64

10

Sharing

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General

  • Target

    Installer.bat

  • Size

    66KB

  • Sample

    240524-dlhbtaba53

  • MD5

    c51a341d4045678ac21ec499e8c9e992

  • SHA1

    0e44988a81ff21a58456c3b782c7a51aafde1358

  • SHA256

    f5650b450dedd0a0fec4a59e7412d1312352bd9088c5d2e934f863926b1c5dad

  • SHA512

    8c51dd3ab2992871f702b255551f45c6cb2ed937774eac027a87dc4f2e2926a45433b4e56fc8e90dcf40a465d79280c0212c364070bd7e1dd6dfec177a430159

  • SSDEEP

    1536:NoQ26vCtla+UARVN2PUPFK9QBib9ZKL/FhtGif3:3hvCvUi2Pi7BiYFhtGif3

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:7777

45.145.41.147:7777
Mutex

luZPyQax4mC0o3RE

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    WinUpdate.exe

aes.plain

Targets

    • Target

      Installer.bat

    • Size

      66KB

    • MD5

      c51a341d4045678ac21ec499e8c9e992

    • SHA1

      0e44988a81ff21a58456c3b782c7a51aafde1358

    • SHA256

      f5650b450dedd0a0fec4a59e7412d1312352bd9088c5d2e934f863926b1c5dad

    • SHA512

      8c51dd3ab2992871f702b255551f45c6cb2ed937774eac027a87dc4f2e2926a45433b4e56fc8e90dcf40a465d79280c0212c364070bd7e1dd6dfec177a430159

    • SSDEEP

      1536:NoQ26vCtla+UARVN2PUPFK9QBib9ZKL/FhtGif3:3hvCvUi2Pi7BiYFhtGif3

    Score
    10/10
    executionxwormpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

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

    • Drops startup file

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

2
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks