General

  • Target

    XClient.exe

  • Size

    46KB

  • Sample

    240412-pe287add3s

  • MD5

    bfae7d0183a8c70cf8f265326951cf99

  • SHA1

    4ceb0fbd42709154b2ae2dc9f12c06fe73849fcd

  • SHA256

    d8bba9bd5b8debd7ffe33ad35c9e15fd792fff9f353d8a1d37f9898810a5c551

  • SHA512

    a8d14809291b2d4a58a1b6d16d7e821e0fc0eb2415d25a2cc9dfeb5edb582c3b5e0ea8fb44bb1d989758778e5fab7ece2841913e9b0cee09cc9fd0fa76223dad

  • SSDEEP

    768:KpbBDHT/CWTNYoxO22iCVd7cQ1gFEPG9cSS36vOChpzYunQ7:KpVDHzRpWiWwF19RC6vOCXpQ7

Malware Config

Extracted

Family

xworm

Version

5.0

C2

6.tcp.eu.ngrok.io:13248

Mutex

SVIIzSoR4OLYThbj

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot7002788779:AAGNt_LDnuDvtdHHRg8UnuUaJp0gRFa9ZYo/sendMessage?chat_id=5487555551

aes.plain

Targets

    • Target

      XClient.exe

    • Size

      46KB

    • MD5

      bfae7d0183a8c70cf8f265326951cf99

    • SHA1

      4ceb0fbd42709154b2ae2dc9f12c06fe73849fcd

    • SHA256

      d8bba9bd5b8debd7ffe33ad35c9e15fd792fff9f353d8a1d37f9898810a5c551

    • SHA512

      a8d14809291b2d4a58a1b6d16d7e821e0fc0eb2415d25a2cc9dfeb5edb582c3b5e0ea8fb44bb1d989758778e5fab7ece2841913e9b0cee09cc9fd0fa76223dad

    • SSDEEP

      768:KpbBDHT/CWTNYoxO22iCVd7cQ1gFEPG9cSS36vOChpzYunQ7:KpVDHzRpWiWwF19RC6vOCXpQ7

    • 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.

    • 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

    • 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

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

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

5
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks