General

  • Target

    XClien2t.exe

  • Size

    40KB

  • Sample

    240404-qelrwagg3w

  • MD5

    05f2ecebbd421b117a113315bf808ebe

  • SHA1

    e70a3b93fdd53a7fec5d1c93cd8f8b1a1bd9d3ce

  • SHA256

    44b8569e9dde2ae5a3938cafa70e25d7e17593e89c2c274643e932c2a25c8a47

  • SHA512

    247983e74714df82d946d4cb1e34305568dfc74d27ada85310955c593a54e978abb5ba16ee6fd69d1b28510953eadf9ea657deb52bfd3170c023b7139c0f36d2

  • SSDEEP

    768:m5tptef91POmSwP1IJ+V4E9tbxHgkb8pEF3WzhO/hJdpE6I:mfUY6e+rqkb8pEZWzhO/PE6I

Malware Config

Extracted

Family

xworm

C2

4.tcp.eu.ngrok.io:15883

Attributes
  • install_file

    USB.exe

Targets

    • Target

      XClien2t.exe

    • Size

      40KB

    • MD5

      05f2ecebbd421b117a113315bf808ebe

    • SHA1

      e70a3b93fdd53a7fec5d1c93cd8f8b1a1bd9d3ce

    • SHA256

      44b8569e9dde2ae5a3938cafa70e25d7e17593e89c2c274643e932c2a25c8a47

    • SHA512

      247983e74714df82d946d4cb1e34305568dfc74d27ada85310955c593a54e978abb5ba16ee6fd69d1b28510953eadf9ea657deb52bfd3170c023b7139c0f36d2

    • SSDEEP

      768:m5tptef91POmSwP1IJ+V4E9tbxHgkb8pEF3WzhO/hJdpE6I:mfUY6e+rqkb8pEZWzhO/PE6I

    • 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#.

    • 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.

    • 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

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

5
T1552

Credentials In Files

4
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

5
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Impact

Defacement

1
T1491

Tasks