Analysis

  • max time kernel
    34s
  • max time network
    36s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/01/2025, 19:44

Errors

Reason
Machine shutdown

General

  • Target

    Installer.exe

  • Size

    534KB

  • MD5

    3e0425febb1dab14a9c10b27bbba983a

  • SHA1

    95c4e5e0434161282e2c814910c7d31078c07ad7

  • SHA256

    76329179e59265943bcded2afa641b2ab7991cb46ec56aaa6338d4ab455c4098

  • SHA512

    0414066a1d1e66db4e0c713679ba18b868a75652a2a415e1a7af5fc4bede762a3c33f7112d1f9fb67c78b2af533d51c3a3b7b2fe8cc54918b1049d6b8d2696c3

  • SSDEEP

    12288:CZkEb6EcwNbyvi1bWSKAMZpGiac5D3YM8hOe96NMyuhVbN6G:AbyvmWSKADiaA3YjEe96NM5Vh

Score
10/10

Malware Config

Extracted

Family

lumma

C2

https://toppyneedus.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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Users\Admin\AppData\Local\Temp\Installer.exe
      "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
      2⤵
        PID:4660
      • C:\Users\Admin\AppData\Local\Temp\Installer.exe
        "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:3036
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 824
        2⤵
        • Program crash
        PID:3360
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2308 -ip 2308
      1⤵
        PID:228

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2308-0-0x000000007525E000-0x000000007525F000-memory.dmp

        Filesize

        4KB

      • memory/2308-1-0x0000000000DF0000-0x0000000000E7E000-memory.dmp

        Filesize

        568KB

      • memory/2308-2-0x0000000005DD0000-0x0000000006374000-memory.dmp

        Filesize

        5.6MB

      • memory/2308-7-0x0000000075250000-0x0000000075A00000-memory.dmp

        Filesize

        7.7MB

      • memory/3036-4-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/3036-6-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/3036-8-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB