General

  • Target

    18d62aa8d04103058203e75fe4039dadb80eb0927ddd23b14f89c984f28aea97

  • Size

    390KB

  • Sample

    240507-2dpmxsbd31

  • MD5

    18b50c6016cd5d7ff2f01b71a5e3373b

  • SHA1

    d62dc0a84e39a1fff24163153761c62a55ff30fe

  • SHA256

    18d62aa8d04103058203e75fe4039dadb80eb0927ddd23b14f89c984f28aea97

  • SHA512

    27e0017fa30a9322e71191b2c4954d1f55d8fe827f029092fa3bdd6a52e799bbb671a776c3596a1df02d8ebe660b2192f293cb67252ec289bbc99a8725ceaa19

  • SSDEEP

    6144:LlEGEyWKpTlDB878Ed8nFO+tFXFBCorNVDq5GZJrtLK7BYY0g2wqS5e8x:KGEyWERrpdTjZDqeh2Beg28Tx

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Targets

    • Target

      18d62aa8d04103058203e75fe4039dadb80eb0927ddd23b14f89c984f28aea97

    • Size

      390KB

    • MD5

      18b50c6016cd5d7ff2f01b71a5e3373b

    • SHA1

      d62dc0a84e39a1fff24163153761c62a55ff30fe

    • SHA256

      18d62aa8d04103058203e75fe4039dadb80eb0927ddd23b14f89c984f28aea97

    • SHA512

      27e0017fa30a9322e71191b2c4954d1f55d8fe827f029092fa3bdd6a52e799bbb671a776c3596a1df02d8ebe660b2192f293cb67252ec289bbc99a8725ceaa19

    • SSDEEP

      6144:LlEGEyWKpTlDB878Ed8nFO+tFXFBCorNVDq5GZJrtLK7BYY0g2wqS5e8x:KGEyWERrpdTjZDqeh2Beg28Tx

    • 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 and hide display window.

    • 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

    • 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