General

  • Target

    3a3df1d607cadb94dcaf342fa87335095cff02b5a8e6ebe8c4bcad59771c8b11.exe

  • Size

    3.5MB

  • Sample

    241219-c4eszatldx

  • MD5

    c07c4c8dc27333c31f6ffda237ff2481

  • SHA1

    9dbdaefef6386a38ffb486acacee9cce27a4c6cd

  • SHA256

    3a3df1d607cadb94dcaf342fa87335095cff02b5a8e6ebe8c4bcad59771c8b11

  • SHA512

    29eada3df10a3e60d6d9dfc673825aa8d4f1ec3c8b12137ea10cd8ff3a80ec4f3b1ad6e2a4a80d75fa9b74d5022ccdfb343091e9ac693a972873852dcb5cff02

  • SSDEEP

    98304:q9ZyB/o6CNGPvnrsntATfwI5Kr8VUwPtbM1Q6ao:q9Z+2GPvjII5HtX6d

Malware Config

Extracted

Family

lumma

C2

https://moutheventushz.shop/api

https://respectabosiz.shop/api

https://bakedstusteeb.shop/api

https://conceszustyb.shop/api

https://nightybinybz.shop/api

https://standartedby.shop/api

https://mutterissuen.shop/api

https://worddosofrm.shop/api

Extracted

Family

stealc

Botnet

stok

C2

http://185.215.113.206

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      3a3df1d607cadb94dcaf342fa87335095cff02b5a8e6ebe8c4bcad59771c8b11.exe

    • Size

      3.5MB

    • MD5

      c07c4c8dc27333c31f6ffda237ff2481

    • SHA1

      9dbdaefef6386a38ffb486acacee9cce27a4c6cd

    • SHA256

      3a3df1d607cadb94dcaf342fa87335095cff02b5a8e6ebe8c4bcad59771c8b11

    • SHA512

      29eada3df10a3e60d6d9dfc673825aa8d4f1ec3c8b12137ea10cd8ff3a80ec4f3b1ad6e2a4a80d75fa9b74d5022ccdfb343091e9ac693a972873852dcb5cff02

    • SSDEEP

      98304:q9ZyB/o6CNGPvnrsntATfwI5Kr8VUwPtbM1Q6ao:q9Z+2GPvjII5HtX6d

    • 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

    • 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.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • 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.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks