General

  • Target

    08d46090c22ff00bd53e843027e0dc26.bin

  • Size

    1.7MB

  • Sample

    241203-bcp9ysxpdj

  • MD5

    894ae6353be2b88aa7e09debbf71e707

  • SHA1

    b0cddd6e9cf3a35477d2c22f8a90310d13161536

  • SHA256

    262db07d64f703a8c4ae4bd32e34a11bce0421e9ff715588b0ac67d8b7faeb2a

  • SHA512

    31c5694b7f1930fc06cbd3f7ca223e2ddba22bae7aa311b6daafaee78931566126a1f05567456e7df9fcfec5c38deeab086acc1f06dec62b359d5a911d929b96

  • SSDEEP

    49152:rzPhHLSg5P6T8Zep/QBtls84dj8wS3oOcqEC:rVHGg5P6eepisv6wSZ

Malware Config

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

default_valenciga

C2

http://185.215.113.17

Attributes
  • url_path

    /2fb6c2cc8dce150a.php

Extracted

Family

lumma

C2

https://crib-endanger.sbs

https://faintbl0w.sbs

https://300snails.sbs

https://bored-light.sbs

https://3xc1aimbl0w.sbs

https://pull-trucker.sbs

https://fleez-inc.sbs

https://thicktoys.sbs

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

gurcu

C2

https://api.telegram.org/bot8009002136:AAHPJrz2-Pn7ZXvJ8icMhaRHpwMHWNcOutY/sendDocumen

Extracted

Family

lumma

C2

https://drive-connect.cyou/api

Targets

    • Target

      1ceab2ffb1eeba5856886c108f56de4f25bb0e15b7ff84d75cae17197f3f2215.exe

    • Size

      1.8MB

    • MD5

      08d46090c22ff00bd53e843027e0dc26

    • SHA1

      ec4d86baa8a294a18daf44fcb61eca03c3116c23

    • SHA256

      1ceab2ffb1eeba5856886c108f56de4f25bb0e15b7ff84d75cae17197f3f2215

    • SHA512

      c9d9214076bd90886b52713287c771264f2a46a76d93b42c6a208bc95e0f5d58a4d41dafe7feadf114f27c1cd430fd90c571e5a30f078c1b9459a8212224b0ed

    • SSDEEP

      24576:z2BoyWmAgwI0L6ul/urTQzxYtarKUKkpOb0A93R8S9D5pbgFqAKzeleH4W+:z2OFe0L6ugiKhxs6pqqAKzCeH

    • Amadey

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

    • Amadey family

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

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

    • 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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks