General

  • Target

    Geeks ImageGen.exe

  • Size

    68.0MB

  • Sample

    250307-2glensyths

  • MD5

    cb29bd3cfb4d250b5a08df713f6edf34

  • SHA1

    f588f2ae86adc8196478f96168737eb75b637631

  • SHA256

    e4804942a52aca3b6e338992f966e4c756028c9b323427bd3383f95286257133

  • SHA512

    dad1c969695af9736d64dec8159949b3032e8208b2566d28cfce57436b1ab72db05f77914986639de409eb675deb5599b6f84f65e560335ba81f6f22217fc1fc

  • SSDEEP

    1536:z7fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIfowiO:v7DhdC6kzWypvaQ0FxyNTBfo

Malware Config

Extracted

Family

xworm

C2

SynoACOUSTIC-48269.portmap.host:48269

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot7851532344:AAE8qkSFZrbQrajpw8LiT-zsdIxuZ0SFaso

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7851532344:AAE8qkSFZrbQrajpw8LiT-zsdIxuZ0SFaso/sendMessage?chat_id=No1_Syno

Targets

    • Target

      Geeks ImageGen.exe

    • Size

      68.0MB

    • MD5

      cb29bd3cfb4d250b5a08df713f6edf34

    • SHA1

      f588f2ae86adc8196478f96168737eb75b637631

    • SHA256

      e4804942a52aca3b6e338992f966e4c756028c9b323427bd3383f95286257133

    • SHA512

      dad1c969695af9736d64dec8159949b3032e8208b2566d28cfce57436b1ab72db05f77914986639de409eb675deb5599b6f84f65e560335ba81f6f22217fc1fc

    • SSDEEP

      1536:z7fbN3eEDhDPA/pICdUkbBtW7upvaLU0bI5taxKo0IOlnToIfowiO:v7DhdC6kzWypvaQ0FxyNTBfo

    • Detect Xworm Payload

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • XenArmor Suite

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

    • Xenarmor family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Server Software Component: Terminal Services DLL

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Allows Network login with blank passwords

      Allows local user accounts with blank passwords to access device from the network.

    • 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.

    • 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.

    • Modifies WinLogon

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks