General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241111-ek72hs1qex

  • MD5

    542a3f9fafad90ab42a2ff42268c72e4

  • SHA1

    b2e59d80d83a2f230c4e9d246a649200dbf953c0

  • SHA256

    a32db65f898af65bee774d19c326c7e7b8ffc1c9e8726fdf310920e2114d1d6b

  • SHA512

    a059d864f08c4e44578ee229a227179b6d400fbcb7ddd27f3be3e09fa4584f0a04ebff4e69d0e5fbf2c49ee7bcb7b004e5d31f46e5fd44663c112233b91789be

  • SSDEEP

    49152:gc74vs/ZNV1djphaG5AiY+HEej4wwi8t4TcsMF7/mRWU86yk:gcbZNV79haaAiYPej4wwi8uTcsMF7uM+

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

fed3aa

C2

http://185.215.113.16

Attributes
  • install_dir

    44111dbc49

  • install_file

    axplong.exe

  • strings_key

    8d0ad6945b1a30a186ec2d30be6db0b5

  • url_paths

    /Jo89Ku7d/index.php

rc4.plain

Extracted

Family

stealc

Botnet

default_valenciga

C2

http://185.215.113.17

Attributes
  • url_path

    /2fb6c2cc8dce150a.php

Extracted

Family

lumma

C2

https://navygenerayk.store/api

Targets

    • Target

      file.exe

    • Size

      1.8MB

    • MD5

      542a3f9fafad90ab42a2ff42268c72e4

    • SHA1

      b2e59d80d83a2f230c4e9d246a649200dbf953c0

    • SHA256

      a32db65f898af65bee774d19c326c7e7b8ffc1c9e8726fdf310920e2114d1d6b

    • SHA512

      a059d864f08c4e44578ee229a227179b6d400fbcb7ddd27f3be3e09fa4584f0a04ebff4e69d0e5fbf2c49ee7bcb7b004e5d31f46e5fd44663c112233b91789be

    • SSDEEP

      49152:gc74vs/ZNV1djphaG5AiY+HEej4wwi8t4TcsMF7/mRWU86yk:gcbZNV79haaAiYPej4wwi8uTcsMF7uM+

    • Amadey

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

    • Amadey family

    • Lumma Stealer, LummaC

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

    • Lumma 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

    • 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

    • 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.

    • 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.

    • Checks whether UAC is enabled

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks