General

  • Target

    e7a2f4e3c055e622646e93f9a92c30d5f1819260172165a2188210f0e62e06bb

  • Size

    1.8MB

  • Sample

    241125-mve3gsyrcr

  • MD5

    bcb753ab0884678d81701e09759be3f2

  • SHA1

    a9ce51ab0543fcd0b7714a7e3679397e6582d139

  • SHA256

    e7a2f4e3c055e622646e93f9a92c30d5f1819260172165a2188210f0e62e06bb

  • SHA512

    333085476670985a7fd18897d41b0e57693c98e377c7d9b3690031e8c40183c13529e869e1a7f190447ab0f6afe27cd85753737607c7a0738bf623aecbd5c5d9

  • SSDEEP

    49152:Jr0d1nSxAQ0eIs0zGT33AF+XwJLMtoq+MHshDrD:ud174I9gwctp+MHi

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

vidar

Version

11.8

Botnet

93e4f2dec1428009f8bc755e83a21d1b

C2

https://t.me/fu4chmo

https://steamcommunity.com/profiles/76561199802540894

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      e7a2f4e3c055e622646e93f9a92c30d5f1819260172165a2188210f0e62e06bb

    • Size

      1.8MB

    • MD5

      bcb753ab0884678d81701e09759be3f2

    • SHA1

      a9ce51ab0543fcd0b7714a7e3679397e6582d139

    • SHA256

      e7a2f4e3c055e622646e93f9a92c30d5f1819260172165a2188210f0e62e06bb

    • SHA512

      333085476670985a7fd18897d41b0e57693c98e377c7d9b3690031e8c40183c13529e869e1a7f190447ab0f6afe27cd85753737607c7a0738bf623aecbd5c5d9

    • SSDEEP

      49152:Jr0d1nSxAQ0eIs0zGT33AF+XwJLMtoq+MHshDrD:ud174I9gwctp+MHi

    • Amadey

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

    • Amadey family

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detect Vidar Stealer

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

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

    • 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.

    • 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.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks