General

  • Target

    4f5f1c9889431cc75be53e961faaf2ffa52248389edcdb2ceeba9eea2b698a26N.exe

  • Size

    5.5MB

  • Sample

    241201-cb7y2sspew

  • MD5

    431d07331d554406e5ece39efef63100

  • SHA1

    7190b3f9486cc3006b3c87a1bd768a5075ce3fec

  • SHA256

    4f5f1c9889431cc75be53e961faaf2ffa52248389edcdb2ceeba9eea2b698a26

  • SHA512

    c84547e0db3633f732b9475a2b4cc7e458360ce2034d87742c79026920b968ce3821f5bff655817c2b0c39712fb55c3ad38dd1622a039a37cb3c84916cf9db23

  • SSDEEP

    98304:DC7U3dqe+9pmBPp7nR13PAtvCALzOvfHLBCeKd/YXCvk4E2OTGIT8z3TiSyq5sFS:cYdL+0BnRWJnOvfEfd/kN72OT7Az3uSR

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://powerful-avoids.sbs

https://motion-treesz.sbs

https://disobey-curly.sbs

https://leg-sate-boat.sbs

https://story-tense-faz.sbs

https://blade-govern.sbs

https://occupy-blushi.sbs

https://frogs-severz.sbs

https://property-imper.sbs

Extracted

Family

stealc

Botnet

mars

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

stealc

Botnet

drum

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      4f5f1c9889431cc75be53e961faaf2ffa52248389edcdb2ceeba9eea2b698a26N.exe

    • Size

      5.5MB

    • MD5

      431d07331d554406e5ece39efef63100

    • SHA1

      7190b3f9486cc3006b3c87a1bd768a5075ce3fec

    • SHA256

      4f5f1c9889431cc75be53e961faaf2ffa52248389edcdb2ceeba9eea2b698a26

    • SHA512

      c84547e0db3633f732b9475a2b4cc7e458360ce2034d87742c79026920b968ce3821f5bff655817c2b0c39712fb55c3ad38dd1622a039a37cb3c84916cf9db23

    • SSDEEP

      98304:DC7U3dqe+9pmBPp7nR13PAtvCALzOvfHLBCeKd/YXCvk4E2OTGIT8z3TiSyq5sFS:cYdL+0BnRWJnOvfEfd/kN72OT7Az3uSR

    • 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

    • Modifies Windows Defender Real-time Protection settings

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Enumerates VirtualBox registry keys

    • 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.

    • 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.

    • Windows security modification

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks