General

  • Target

    file.exe

  • Size

    2.9MB

  • Sample

    241217-24axfs1rdx

  • MD5

    4c323df15a57bba4ea218c7d518ca9a2

  • SHA1

    b9a5a17ac965963bdf49da7bce6033ed1ce3ff30

  • SHA256

    ec190048a1605cf63449efa1cc11e2679189283f89afc8b8d035c604c2f91569

  • SHA512

    8f2bf6bb576912d7c17983e62c07d0dcc4be8f0ebf3c8338d90c7ee51aa62b197b829355844035108f936d1cc6aea1e11cf827a0940e8fb749ba570007910241

  • SSDEEP

    49152:oE/Mnjy/Q7DZgPiE09Imzp62HWdJKhc07gelV:oE0nEQ7DZg709IKWsc0x

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

lumma

Extracted

Family

cryptbot

Targets

    • Target

      file.exe

    • Size

      2.9MB

    • MD5

      4c323df15a57bba4ea218c7d518ca9a2

    • SHA1

      b9a5a17ac965963bdf49da7bce6033ed1ce3ff30

    • SHA256

      ec190048a1605cf63449efa1cc11e2679189283f89afc8b8d035c604c2f91569

    • SHA512

      8f2bf6bb576912d7c17983e62c07d0dcc4be8f0ebf3c8338d90c7ee51aa62b197b829355844035108f936d1cc6aea1e11cf827a0940e8fb749ba570007910241

    • SSDEEP

      49152:oE/Mnjy/Q7DZgPiE09Imzp62HWdJKhc07gelV:oE0nEQ7DZg709IKWsc0x

    • 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

    • Lumma Stealer, LummaC

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

    • Lumma family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Enumerates VirtualBox registry keys

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

    • Downloads MZ/PE file

    • 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.

    • 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

    • 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