General

  • Target

    09109fbe23b94bd3dc2605d7ab550ce3.bin

  • Size

    1.8MB

  • Sample

    241124-bc2mzssjgr

  • MD5

    c2c5b712cfa574e34c48da1dfe615512

  • SHA1

    37f8ff22cd52afe70bbf86694fcc741ee36b824b

  • SHA256

    de568772790af6c87565d3e09485c55b23012f12305bbbbb83d62721523f114e

  • SHA512

    84883ada587fe1cb0599bde4cb71d5b415038e50eb51a9dfd179df32e0edaa195fedcce758c354c29c6790c98e11e939d1aaa313fc61dbc778b8a420eb9a043b

  • SSDEEP

    49152:HM4P5cieMXeHFsngIoUUQROt9yS70kuAUYQ5npc3:suezMXdnvoUUOO/RcNYQ5npU

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

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      94a2471c4477560421cd9fb3ff6cba275c459499c11d92436e88d1c11fc56cd1.exe

    • Size

      1.8MB

    • MD5

      09109fbe23b94bd3dc2605d7ab550ce3

    • SHA1

      3720744b4f909c4d98756c822c33ffa1f9f77b8b

    • SHA256

      94a2471c4477560421cd9fb3ff6cba275c459499c11d92436e88d1c11fc56cd1

    • SHA512

      843535d1720736a7325bdf77f46184d8c0c0ff5f45c8e42b2517e021d370a51d4ca91847fc454c1dcf411126449d8e96741b1965861992d5344caf636d5f6ce1

    • SSDEEP

      49152:xrUNrzMgD26tRCQfktF4r43FSnP/MroaSYKCSltdDFBjn:upD26t0WkFq4VGMroaS3CitdvD

    • 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

    • 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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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