General

  • Target

    5654c63a63abcd7abe77c36cdb8c6e68379694ba69d38c0c0fed37be52c5a09f.exe

  • Size

    389KB

  • Sample

    240510-brglcsae6v

  • MD5

    b8974e005f6850373862db8ec43c739d

  • SHA1

    da18ff2135677c6e6ec438fd5a3cc86f274b2072

  • SHA256

    5654c63a63abcd7abe77c36cdb8c6e68379694ba69d38c0c0fed37be52c5a09f

  • SHA512

    79d002d26fabbcf9807d7b4ceec0244b27a192601f4c654438324153a258dff165925cca6d882a297240d335e935cda0dab25af67666596bc7142f1ef4ace385

  • SSDEEP

    6144:VoavxgYvX2ZXThTtP8KVa2txCbPhou247E/VnX+Q2EVGxm5mwhQ4bkSp:VoaJgnXTpR8KVatbV8OEIralJ

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Targets

    • Target

      5654c63a63abcd7abe77c36cdb8c6e68379694ba69d38c0c0fed37be52c5a09f.exe

    • Size

      389KB

    • MD5

      b8974e005f6850373862db8ec43c739d

    • SHA1

      da18ff2135677c6e6ec438fd5a3cc86f274b2072

    • SHA256

      5654c63a63abcd7abe77c36cdb8c6e68379694ba69d38c0c0fed37be52c5a09f

    • SHA512

      79d002d26fabbcf9807d7b4ceec0244b27a192601f4c654438324153a258dff165925cca6d882a297240d335e935cda0dab25af67666596bc7142f1ef4ace385

    • SSDEEP

      6144:VoavxgYvX2ZXThTtP8KVa2txCbPhou247E/VnX+Q2EVGxm5mwhQ4bkSp:VoaJgnXTpR8KVatbV8OEIralJ

    • Detect ZGRat V1

    • Glupteba

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

    • Glupteba payload

    • Stealc

      Stealc is an infostealer written in C++.

    • UAC bypass

    • Windows security bypass

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Detect binaries embedding considerable number of MFA browser extension IDs.

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects encrypted or obfuscated .NET executables

    • Detects executables (downlaoders) containing URLs to raw contents of a paste

    • Detects executables Discord URL observed in first stage droppers

    • Detects executables containing URLs to raw contents of a Github gist

    • Detects executables containing artifacts associated with disabling Widnows Defender

    • Detects executables packed with or use KoiVM

    • Detects executables referencing many varying, potentially fake Windows User-Agents

    • Modifies boot configuration data using bcdedit

    • UPX dump on OEP (original entry point)

    • Command and Scripting Interpreter: PowerShell

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

    • 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 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.

    • UPX packed file

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

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks