General

  • Target

    2dd429b06b920140fe9186608b47d7d80697191b089117769912d81f6c39ff38

  • Size

    392KB

  • Sample

    240507-2jsa1abg7x

  • MD5

    ccc754d02cc1188f0a0477b306539065

  • SHA1

    8a73b2e84fbdcadfaa98cc325c2222096bdc309b

  • SHA256

    2dd429b06b920140fe9186608b47d7d80697191b089117769912d81f6c39ff38

  • SHA512

    6cabd1b19ddd94280528e4c2512e222bacc9bea6806e1df5610ffd3d993f52c4599e65fc7573d3d426e4d6d8c3756244e3e242b55b499796222f971b15ca8e0a

  • SSDEEP

    6144:htbMqLyDywnR6E5qkDPWQo9f+1llNEaVl5CMba/W1i5adCexXadKxQ3qhqrS8PbH:ht4qLC7RFfT7Ew5Csfi5advxaVkk

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Targets

    • Target

      2dd429b06b920140fe9186608b47d7d80697191b089117769912d81f6c39ff38

    • Size

      392KB

    • MD5

      ccc754d02cc1188f0a0477b306539065

    • SHA1

      8a73b2e84fbdcadfaa98cc325c2222096bdc309b

    • SHA256

      2dd429b06b920140fe9186608b47d7d80697191b089117769912d81f6c39ff38

    • SHA512

      6cabd1b19ddd94280528e4c2512e222bacc9bea6806e1df5610ffd3d993f52c4599e65fc7573d3d426e4d6d8c3756244e3e242b55b499796222f971b15ca8e0a

    • SSDEEP

      6144:htbMqLyDywnR6E5qkDPWQo9f+1llNEaVl5CMba/W1i5adCexXadKxQ3qhqrS8PbH:ht4qLC7RFfT7Ew5Csfi5advxaVkk

    • Detect ZGRat V1

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Modifies firewall policy service

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • Stealc

      Stealc is an infostealer written in C++.

    • UAC bypass

    • Windows security bypass

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Modifies boot configuration data using bcdedit

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • 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.

    • Manipulates WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks