General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241124-ja64paznbz

  • MD5

    e4904286ce6994c631c2f00cb843d75c

  • SHA1

    dafbff44f1d894de85a2c94ce618695d67c12f34

  • SHA256

    6a1256df2cd17e0ec83c48d8773031f011a541e28be306a6994b78ef3d0dbf93

  • SHA512

    cc1d9c585b827d1f725e36fa87f1a080a4b2bbf10b755d2e07f81931fc9bb43c59bc39b02dd528465e7bddab1b928c1d63ebb73178a421544e45626d58f2317f

  • SSDEEP

    49152:ml1RZ7u0Z4aIfv3pwsFgwF5/pPyqrxgRrF:mT/iaIfPSsFzbEqyR

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

      file.exe

    • Size

      1.8MB

    • MD5

      e4904286ce6994c631c2f00cb843d75c

    • SHA1

      dafbff44f1d894de85a2c94ce618695d67c12f34

    • SHA256

      6a1256df2cd17e0ec83c48d8773031f011a541e28be306a6994b78ef3d0dbf93

    • SHA512

      cc1d9c585b827d1f725e36fa87f1a080a4b2bbf10b755d2e07f81931fc9bb43c59bc39b02dd528465e7bddab1b928c1d63ebb73178a421544e45626d58f2317f

    • SSDEEP

      49152:ml1RZ7u0Z4aIfv3pwsFgwF5/pPyqrxgRrF:mT/iaIfPSsFzbEqyR

    • 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

    • 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 user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks