Analysis

  • max time kernel
    101s
  • max time network
    112s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250113-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    23-01-2025 23:06

General

  • Target

    mmpack.exe

  • Size

    519KB

  • MD5

    8941182a6d0c454bf679b27fcb99f327

  • SHA1

    de76d54d58b53355bbfdcb942e0f5262bdc25091

  • SHA256

    4aabc5c522ecef9200e1da99e5e747bc134955a80f712f0e5a42e048974fc65b

  • SHA512

    8143dc1ade3606e7fda8314107098303e3ac0cbebc670992409859af29dfd5da9f6d73fdb87ca7e0fa5e05a2e6ff20051653691291137690efc4dea3af4e88a7

  • SSDEEP

    12288:OtPYLwhHJ6mhUvkxv3xUPEaSAq5YPn76+5NHPH:O2Lwr2kjAEaSAPP76+5lH

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://toppyneedus.biz/api

https://suggestyuoz.biz/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\mmpack.exe
    "C:\Users\Admin\AppData\Local\Temp\mmpack.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1148
    • C:\Users\Admin\AppData\Local\Temp\mmpack.exe
      "C:\Users\Admin\AppData\Local\Temp\mmpack.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2512
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 808
      2⤵
      • Program crash
      PID:2016
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1148 -ip 1148
    1⤵
      PID:4536

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1148-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

      Filesize

      4KB

    • memory/1148-1-0x0000000000800000-0x000000000088A000-memory.dmp

      Filesize

      552KB

    • memory/1148-2-0x0000000005640000-0x0000000005BE6000-memory.dmp

      Filesize

      5.6MB

    • memory/1148-7-0x0000000074B30000-0x00000000752E1000-memory.dmp

      Filesize

      7.7MB

    • memory/2512-4-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2512-6-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB

    • memory/2512-8-0x0000000000400000-0x000000000045E000-memory.dmp

      Filesize

      376KB