General

  • Target

    2abf87b5b526b9961ce83aa57edbb7f0

  • Size

    1.8MB

  • Sample

    240229-t25eaaee2s

  • MD5

    2abf87b5b526b9961ce83aa57edbb7f0

  • SHA1

    1c6ffecc15979ca9ccb0df93dc3657458f79903a

  • SHA256

    08a228904dacbb9d8f658b629b5477b2b0af04a0e2286abaf4c50e71ef69f604

  • SHA512

    4c76d98e94bda5be5b4a6d170cb20d6df41169ce572ffa9a7df1c42eb75ea8060fa21aca65542bef4e6893814c5ed72632c79b4177d8f33134650bbe9ceeb8f0

  • SSDEEP

    49152:YPkUK3/z6tX2F1ft/3oOybwJJUCsP4+8C:skP8mFdt/Py0UC

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

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

lumma

C2

https://executivebrakeji.shop/api

https://technologyenterdo.shop/api

https://detectordiscusser.shop/api

https://turkeyunlikelyofw.shop/api

https://associationokeo.shop/api

Targets

    • Target

      2abf87b5b526b9961ce83aa57edbb7f0

    • Size

      1.8MB

    • MD5

      2abf87b5b526b9961ce83aa57edbb7f0

    • SHA1

      1c6ffecc15979ca9ccb0df93dc3657458f79903a

    • SHA256

      08a228904dacbb9d8f658b629b5477b2b0af04a0e2286abaf4c50e71ef69f604

    • SHA512

      4c76d98e94bda5be5b4a6d170cb20d6df41169ce572ffa9a7df1c42eb75ea8060fa21aca65542bef4e6893814c5ed72632c79b4177d8f33134650bbe9ceeb8f0

    • SSDEEP

      49152:YPkUK3/z6tX2F1ft/3oOybwJJUCsP4+8C:skP8mFdt/Py0UC

    • 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.

    • Detect binaries embedding considerable number of MFA browser extension IDs.

    • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables packed with unregistered version of .NET Reactor

    • 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.

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 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