General

  • Target

    f33c7b978d078a797f2ee0d6d0783682.exe

  • Size

    382KB

  • Sample

    241023-mm9bcsvfra

  • MD5

    f33c7b978d078a797f2ee0d6d0783682

  • SHA1

    83efd5987a1874bc00cbab51bbcbe00dba1f1b39

  • SHA256

    68137be68173e0258cabb670f93c1ce81669acd367119e268568d5781496ca61

  • SHA512

    bcf4808d5d4af377b3e90e0ea09383465d26d99a354e87edcfe8967c712f1f98236e1789b14f5a3d64c77c69084587364dd7bc6b085833d29ab1ccd44f2e3fb1

  • SSDEEP

    3072:VUVF4fI95c1wYBcG9N8c8lk+J76sw30WF2ozwPAPnJOVGXagKW1ZJOTxx5P/u5ls:VqKwYBfnw5WFd9PEoZe/o7A4XXJ

Malware Config

Extracted

Family

stealc

Botnet

LogsDiller

C2

http://185.201.252.118

Attributes
  • url_path

    /ef952bc0f542da4b.php

Targets

    • Target

      f33c7b978d078a797f2ee0d6d0783682.exe

    • Size

      382KB

    • MD5

      f33c7b978d078a797f2ee0d6d0783682

    • SHA1

      83efd5987a1874bc00cbab51bbcbe00dba1f1b39

    • SHA256

      68137be68173e0258cabb670f93c1ce81669acd367119e268568d5781496ca61

    • SHA512

      bcf4808d5d4af377b3e90e0ea09383465d26d99a354e87edcfe8967c712f1f98236e1789b14f5a3d64c77c69084587364dd7bc6b085833d29ab1ccd44f2e3fb1

    • SSDEEP

      3072:VUVF4fI95c1wYBcG9N8c8lk+J76sw30WF2ozwPAPnJOVGXagKW1ZJOTxx5P/u5ls:VqKwYBfnw5WFd9PEoZe/o7A4XXJ

    • Stealc

      Stealc is an infostealer written in C++.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • 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.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks