General

  • Target

    92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1

  • Size

    1.8MB

  • Sample

    240331-k1emsshb8w

  • MD5

    f0b66b6dbd4b08e9c5daf536f73dba5e

  • SHA1

    800212cd4edf77c4e3b4fdafd18afd8ea74be90a

  • SHA256

    92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1

  • SHA512

    b79f9e1f7f279a2e162405644eca2f67150d789705ff744f49e9dac15abf643428002a85ae0d0c3fc88c13d7088ab4cf8368d623296245340cdaedae497399a0

  • SSDEEP

    49152:b70vk2sNH339Il99Gk7l7Nbbeomh38GaO6:bFn9k94kx5beos1aO

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

lumma

C2

https://affordcharmcropwo.shop/api

Targets

    • Target

      92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1

    • Size

      1.8MB

    • MD5

      f0b66b6dbd4b08e9c5daf536f73dba5e

    • SHA1

      800212cd4edf77c4e3b4fdafd18afd8ea74be90a

    • SHA256

      92b1d3003f2bdef59d186e119ab89bb38fff0d1eff554172618bef186dae17e1

    • SHA512

      b79f9e1f7f279a2e162405644eca2f67150d789705ff744f49e9dac15abf643428002a85ae0d0c3fc88c13d7088ab4cf8368d623296245340cdaedae497399a0

    • SSDEEP

      49152:b70vk2sNH339Il99Gk7l7Nbbeomh38GaO6:bFn9k94kx5beos1aO

    • Amadey

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

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

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

    • Blocklisted process makes network request

    • 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.

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks