General

  • Target

    a0e3a64e0e6aee3370ccbbca59f8ae0b34be674963c1dabe14926b24fdcae7d0.exe

  • Size

    2.7MB

  • Sample

    240511-b5t4lsec8s

  • MD5

    731ff38afbc5a664f5a458e222d91f84

  • SHA1

    5105f89898a3d9e5b5b52ddcd7d0a3b167aaf701

  • SHA256

    a0e3a64e0e6aee3370ccbbca59f8ae0b34be674963c1dabe14926b24fdcae7d0

  • SHA512

    910b1c9fb8e28c3f24d35a875ff86f3ab2e2c573797e078ece204538a3bdc6d42bc92531197e57be577ffb2e4cacdd53fec6a61843e6c69be4794e68506f68c3

  • SSDEEP

    24576:3RoBHi3buy4toE1jC6Ayo2xhWLbSPlqRvc68XzRVGvxB5VA0UC1dUUKj/OZ8j3g3:BoKmo4jC6TovDRUC1doj/Tg3

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Targets

    • Target

      a0e3a64e0e6aee3370ccbbca59f8ae0b34be674963c1dabe14926b24fdcae7d0.exe

    • Size

      2.7MB

    • MD5

      731ff38afbc5a664f5a458e222d91f84

    • SHA1

      5105f89898a3d9e5b5b52ddcd7d0a3b167aaf701

    • SHA256

      a0e3a64e0e6aee3370ccbbca59f8ae0b34be674963c1dabe14926b24fdcae7d0

    • SHA512

      910b1c9fb8e28c3f24d35a875ff86f3ab2e2c573797e078ece204538a3bdc6d42bc92531197e57be577ffb2e4cacdd53fec6a61843e6c69be4794e68506f68c3

    • SSDEEP

      24576:3RoBHi3buy4toE1jC6Ayo2xhWLbSPlqRvc68XzRVGvxB5VA0UC1dUUKj/OZ8j3g3:BoKmo4jC6TovDRUC1doj/Tg3

    • 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++.

    • 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 referencing many varying, potentially fake Windows User-Agents

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • 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.

    • 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.

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks