Analysis

  • max time kernel
    102s
  • max time network
    147s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20250314-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250314-enlocale:en-usos:windows10-ltsc_2021-x64system
  • submitted
    05/04/2025, 12:07

General

  • Target

    rihuata-main/kukurumalasa.exe

  • Size

    1.3MB

  • MD5

    f2f7a6a609b923471e8e1dedabd75ef6

  • SHA1

    0b16881c845cd6baa347510b5894da69623e118e

  • SHA256

    4d0c8d5868c35db0748d247d2e1156c87436ac108950adeb7a0e66439f07a204

  • SHA512

    8a8c80f2888eaa6cf8ea9367d12dcb231538a2dfe84855a058de51b39429a496ee502754672df8423add849b083fe04a96ce46958c0a57f619c48557cae3f9b1

  • SSDEEP

    24576:kHVJ9w60hcqKyOuuUOjGjje/9sznLAe5WnlpUa2/+4AXCJtiWhGg7QAnWBluKpn:k707KXPGk9sznL6lp72/PAmtiWhbHOuQ

Malware Config

Extracted

Family

lumma

C2

https://darjkafsg.digital/aoiz

https://jrxsafer.top/shpaoz

https://plantainklj.run/opafg

https://puerrogfh.live/iqwez

https://quavabvc.top/iuzhd

https://advennture.top/GKsiio

https://targett.top/dsANGt

https://rambutanvcx.run/adioz

https://ywmedici.top/noagis

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rihuata-main\kukurumalasa.exe
    "C:\Users\Admin\AppData\Local\Temp\rihuata-main\kukurumalasa.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:4916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4916-0-0x0000000000840000-0x0000000000C0B000-memory.dmp

    Filesize

    3.8MB

  • memory/4916-1-0x0000000000840000-0x0000000000C0B000-memory.dmp

    Filesize

    3.8MB