General

  • Target

    5d88a576e6c8f2b027f871d9853d149db0fefad5a1cb38ac6908139012961637.exe

  • Size

    1.7MB

  • Sample

    241218-dp2jvssjek

  • MD5

    4287e289871bb1b734fc7b2a6e351b1d

  • SHA1

    6d9c7b09945f12e2fe111ef188631f2088a4d417

  • SHA256

    5d88a576e6c8f2b027f871d9853d149db0fefad5a1cb38ac6908139012961637

  • SHA512

    1fba5410aa6e4f77f774f8f65e998b7e82fdfec9187485c6cd780a5410910c143ddb58069aac1874dbf1970b3f2320e9cbb48a736c6015472860dab6b0773903

  • SSDEEP

    24576:JQCa84oh1Sw9kEvVdaUWTOP9hsiwjiqcq9LHxTY/Rrti4R5bVM11A+tatgiDfnn5:gs+EGJTOPLaNxlY/m4RDclYtDSMl1wWF

Malware Config

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

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

Targets

    • Target

      5d88a576e6c8f2b027f871d9853d149db0fefad5a1cb38ac6908139012961637.exe

    • Size

      1.7MB

    • MD5

      4287e289871bb1b734fc7b2a6e351b1d

    • SHA1

      6d9c7b09945f12e2fe111ef188631f2088a4d417

    • SHA256

      5d88a576e6c8f2b027f871d9853d149db0fefad5a1cb38ac6908139012961637

    • SHA512

      1fba5410aa6e4f77f774f8f65e998b7e82fdfec9187485c6cd780a5410910c143ddb58069aac1874dbf1970b3f2320e9cbb48a736c6015472860dab6b0773903

    • SSDEEP

      24576:JQCa84oh1Sw9kEvVdaUWTOP9hsiwjiqcq9LHxTY/Rrti4R5bVM11A+tatgiDfnn5:gs+EGJTOPLaNxlY/m4RDclYtDSMl1wWF

    • Amadey

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

    • Amadey family

    • 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.

    • Drops startup file

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks