General

  • Target

    EzCrack.exe

  • Size

    78KB

  • Sample

    240603-tn8jsadb76

  • MD5

    9efc872f4f99869fd6befd84076b1f02

  • SHA1

    6bb6931b260936082028812f079f5b4543e599e0

  • SHA256

    4e8aad0b31678291ca4b4dae74385c6a0d424b7c49a439f045573f93908a764c

  • SHA512

    cfc949b9db32db43a9f0ab9dd5c59624999c8df84aaeb953251198958a10dd744e273f560f4b16cd150c5bff1d66e6014f198ca0ea3f85e5afe189fe78e8c381

  • SSDEEP

    1536:dRNd9tEnU5G+eiIhLK7AiVqbDoxTBH/d1Pq63FBN77OCXnG73E:drdARhLIVqbDSH/dVPN3OCXGDE

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %Temp%

  • install_file

    ApplicationFrameHost.exe

  • pastebin_url

    https://pastebin.com/raw/gf3CpGLZ

  • telegram

    https://api.telegram.org/bot7330774245:AAFjajgEdSRi37pBSVsgsnILKxiBDZzP_f4/sendMessage?chat_id=5561074001

Targets

    • Target

      EzCrack.exe

    • Size

      78KB

    • MD5

      9efc872f4f99869fd6befd84076b1f02

    • SHA1

      6bb6931b260936082028812f079f5b4543e599e0

    • SHA256

      4e8aad0b31678291ca4b4dae74385c6a0d424b7c49a439f045573f93908a764c

    • SHA512

      cfc949b9db32db43a9f0ab9dd5c59624999c8df84aaeb953251198958a10dd744e273f560f4b16cd150c5bff1d66e6014f198ca0ea3f85e5afe189fe78e8c381

    • SSDEEP

      1536:dRNd9tEnU5G+eiIhLK7AiVqbDoxTBH/d1Pq63FBN77OCXnG73E:drdARhLIVqbDSH/dVPN3OCXGDE

    • 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

    • XenArmor Suite

      XenArmor is as suite of password recovery tools for various application.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

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

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
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

Unsecured Credentials

5
T1552

Credentials In Files

4
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

5
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks