Resubmissions

08-12-2024 23:34

241208-3kelza1kck 10

08-12-2024 23:22

241208-3cxsks1jdn 10

General

  • Target

    NCU6L_file.exe

  • Size

    3.1MB

  • Sample

    241208-3kelza1kck

  • MD5

    402ab18478d4b4375a8145d45d47cf47

  • SHA1

    31ca2191e74e0ff586cf5032a36aa3e99f9259ca

  • SHA256

    126fe752552aee79b622ca8edcb119b01b86113f11765bcfc9943ca24a95aded

  • SHA512

    021da29feedbca174af347912a76764ae377b7a94c29f34c940dd7f347c405643913cafc61fb1b47bc7a22d46b5bdd385360252d5ed6b62f57bfde90279971c4

  • SSDEEP

    49152:flOYOVbpMcYeM7J00fuj02kigEL3fOuPee50l9:flOZVFMjeM7/9LilLv1PN0

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

C2

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

https://drive-connect.cyou/api

https://ratiomun.cyou/api

https://crib-endanger.sbs/api

https://faintbl0w.sbs/api

https://300snails.sbs/api

https://bored-light.sbs/api

https://3xc1aimbl0w.sbs/api

https://pull-trucker.sbs/api

https://fleez-inc.sbs/api

https://thicktoys.sbs/api

https://atten-supporse.biz/api

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

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      NCU6L_file.exe

    • Size

      3.1MB

    • MD5

      402ab18478d4b4375a8145d45d47cf47

    • SHA1

      31ca2191e74e0ff586cf5032a36aa3e99f9259ca

    • SHA256

      126fe752552aee79b622ca8edcb119b01b86113f11765bcfc9943ca24a95aded

    • SHA512

      021da29feedbca174af347912a76764ae377b7a94c29f34c940dd7f347c405643913cafc61fb1b47bc7a22d46b5bdd385360252d5ed6b62f57bfde90279971c4

    • SSDEEP

      49152:flOYOVbpMcYeM7J00fuj02kigEL3fOuPee50l9:flOZVFMjeM7/9LilLv1PN0

    • 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

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • 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