General

  • Target

    a3f40ca09a1b58d72860865af7076d97ff20f591f448f5e70785612791c68cd2

  • Size

    6.8MB

  • Sample

    241226-hk4kwazjcm

  • MD5

    428f87fd092358a2037217d595ad0dc9

  • SHA1

    9278dcb233f20c84baf878e1cadf5569af4ebe34

  • SHA256

    a3f40ca09a1b58d72860865af7076d97ff20f591f448f5e70785612791c68cd2

  • SHA512

    8dd17cfe9393b54d9f8a0310dcf465fa43df519b5962f7542b6afb87fab4816ab5a0136894be438cdb05bd2203ec61d413d7621fc8077a9c391a669a950df279

  • SSDEEP

    98304:pTDu/OWg1/9fzCmrOPpSsnbiSNAXxuqFvsPM/tfmXYsSX5KGpkfpdKSO5Hl:Ju/Ohp1zf6b76y8teofNkxdKSO5Hl

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

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      a3f40ca09a1b58d72860865af7076d97ff20f591f448f5e70785612791c68cd2

    • Size

      6.8MB

    • MD5

      428f87fd092358a2037217d595ad0dc9

    • SHA1

      9278dcb233f20c84baf878e1cadf5569af4ebe34

    • SHA256

      a3f40ca09a1b58d72860865af7076d97ff20f591f448f5e70785612791c68cd2

    • SHA512

      8dd17cfe9393b54d9f8a0310dcf465fa43df519b5962f7542b6afb87fab4816ab5a0136894be438cdb05bd2203ec61d413d7621fc8077a9c391a669a950df279

    • SSDEEP

      98304:pTDu/OWg1/9fzCmrOPpSsnbiSNAXxuqFvsPM/tfmXYsSX5KGpkfpdKSO5Hl:Ju/Ohp1zf6b76y8teofNkxdKSO5Hl

    • 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

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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks