General

  • Target

    file.exe

  • Size

    1.8MB

  • Sample

    241101-nr118a1rej

  • MD5

    aa78aafb0a66c7ddf96d87d24b5c3afc

  • SHA1

    29c96a9c0c5cb916ca8c09db1c4b2f7c3d4d7ffa

  • SHA256

    cd5327ade58bdcbd9e18407525a8c54ae311c97c512f0931173432f83d4d4d4a

  • SHA512

    c53d701fbd62362d9ff1bca4cce04ac5e9e4241b9b1fc209412ceba276c02daa427f3646ab11f97081fd4a7e75f041bd87b988e2e1d40730c06f01f3916c4129

  • SSDEEP

    24576:AWemn+0tRj4PTf2iljxPHZoVfPUn+TFaYyug5ATvJ70JiLH87inEvrRf6OagwTQQ:EmdR07Nlby6sYShQing6OkQpwn

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

stealc

Botnet

tale

C2

http://185.215.113.206

Attributes
  • url_path

    /6c4adf523b719729.php

Extracted

Family

amadey

Version

5.03

Botnet

7c4393

C2

http://185.215.113.217

Attributes
  • install_dir

    f9c76c1660

  • install_file

    corept.exe

  • strings_key

    9808a67f01d2f0720518035acbde7521

  • url_paths

    /CoreOPT/index.php

rc4.plain

Extracted

Family

lumma

C2

https://necklacedmny.store/api

https://founpiuer.store/api

https://navygenerayk.store/api

https://goalyfeastz.site/api

https://contemteny.site/api

https://dilemmadu.site/api

https://authorisev.site/api

https://computeryrati.site/api

Extracted

Family

vidar

C2

https://t.me/asg7rd

https://steamcommunity.com/profiles/76561199794498376

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Targets

    • Target

      file.exe

    • Size

      1.8MB

    • MD5

      aa78aafb0a66c7ddf96d87d24b5c3afc

    • SHA1

      29c96a9c0c5cb916ca8c09db1c4b2f7c3d4d7ffa

    • SHA256

      cd5327ade58bdcbd9e18407525a8c54ae311c97c512f0931173432f83d4d4d4a

    • SHA512

      c53d701fbd62362d9ff1bca4cce04ac5e9e4241b9b1fc209412ceba276c02daa427f3646ab11f97081fd4a7e75f041bd87b988e2e1d40730c06f01f3916c4129

    • SSDEEP

      24576:AWemn+0tRj4PTf2iljxPHZoVfPUn+TFaYyug5ATvJ70JiLH87inEvrRf6OagwTQQ:EmdR07Nlby6sYShQing6OkQpwn

    • Amadey

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

    • Amadey family

    • Detect Vidar Stealer

    • 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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • 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.

    • 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.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks