General

  • Target

    0580aef848b294e9276d99f5d8303770159034581f2fbf954eba4d16a573bdd4.exe

  • Size

    1.9MB

  • Sample

    240819-bemlvavgma

  • MD5

    d4cb8ddfbe013e37df87098b7d46d25f

  • SHA1

    62f89bcee4ba4f713aaf51c7ec2c78694c2123a3

  • SHA256

    0580aef848b294e9276d99f5d8303770159034581f2fbf954eba4d16a573bdd4

  • SHA512

    64968912102d26d37f89dbeafa22aea1f7883566de80fdc8c8b6064de30c70fa23437cea4dfa7214d0cd11ff845a3d9695a4a78fdf7814c0ba0929f0e8b38147

  • SSDEEP

    24576:5b2vvKOE5wz2W/KxJysfVeKh1hTbLH4NdYAaQGfxisW5V5Fdml8K1aTo+IPX5TdX:leG5wzzwKKRT0rex65J8lCbDoMHKGKi

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

c7817d

C2

http://31.41.244.10

Attributes
  • install_dir

    0e8d0864aa

  • install_file

    svoutse.exe

  • strings_key

    5481b88a6ef75bcf21333988a4e47048

  • url_paths

    /Dem7kTu/index.php

rc4.plain

Extracted

Family

stealc

Botnet

nord

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Extracted

Family

stealc

Botnet

kora

C2

http://185.215.113.100

Attributes
  • url_path

    /e2b1563c6670f193.php

Targets

    • Target

      0580aef848b294e9276d99f5d8303770159034581f2fbf954eba4d16a573bdd4.exe

    • Size

      1.9MB

    • MD5

      d4cb8ddfbe013e37df87098b7d46d25f

    • SHA1

      62f89bcee4ba4f713aaf51c7ec2c78694c2123a3

    • SHA256

      0580aef848b294e9276d99f5d8303770159034581f2fbf954eba4d16a573bdd4

    • SHA512

      64968912102d26d37f89dbeafa22aea1f7883566de80fdc8c8b6064de30c70fa23437cea4dfa7214d0cd11ff845a3d9695a4a78fdf7814c0ba0929f0e8b38147

    • SSDEEP

      24576:5b2vvKOE5wz2W/KxJysfVeKh1hTbLH4NdYAaQGfxisW5V5Fdml8K1aTo+IPX5TdX:leG5wzzwKKRT0rex65J8lCbDoMHKGKi

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Stealc

      Stealc is an infostealer written in C++.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

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

    • Downloads MZ/PE file

    • 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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks