Analysis

  • max time kernel
    96s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-01-2025 18:25

General

  • Target

    loader.exe

  • Size

    8.3MB

  • MD5

    756cc98f850799fc6783bd07e91cab52

  • SHA1

    5e00f9dfdf3ebeeb9a7fa9177081704f200796cd

  • SHA256

    64a3d0f8623f9f27d8275349698641464a6d16295ece889c47611c9b84d90927

  • SHA512

    812ca872181a465da7520a1d35650e627be0dcf9c0e69b565d922e769a03435fd96c5de2c1c5bd7886b612150553e3f4ce2dc66eba7bcfab48347d483b22eee1

  • SSDEEP

    6144:79vDaZsyLEytXezKn30u5V8htQ0XFLcr7Hf/ouoM9QhP6INgaQZMyKl1mRYeK+s:xraZLQytXezKku5WXWr7frf/KlQeVl

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/api

Extracted

Family

lumma

C2

https://abruptyopsn.shop/api

https://wholersorie.shop/api

https://framekgirus.shop/api

https://tirepublicerj.shop/api

https://noisycuttej.shop/api

https://rabidcowse.shop/api

https://cloudewahsj.shop/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\loader.exe
    "C:\Users\Admin\AppData\Local\Temp\loader.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3496
    • C:\Users\Admin\AppData\Local\Temp\loader.exe
      "C:\Users\Admin\AppData\Local\Temp\loader.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3496 -s 828
      2⤵
      • Program crash
      PID:4312
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3496 -ip 3496
    1⤵
      PID:3548

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3496-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

      Filesize

      4KB

    • memory/3496-1-0x00000000002A0000-0x0000000000300000-memory.dmp

      Filesize

      384KB

    • memory/3496-2-0x0000000005220000-0x00000000057C4000-memory.dmp

      Filesize

      5.6MB

    • memory/3496-7-0x0000000074BD0000-0x0000000075380000-memory.dmp

      Filesize

      7.7MB

    • memory/4988-6-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/4988-4-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/4988-8-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB