Analysis

  • max time kernel
    91s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 00:05

General

  • Target

    Crypto Seed Checker 2024 version.exe

  • Size

    646KB

  • MD5

    07feca81b29907ce6550288a7d2b8821

  • SHA1

    6252d362fe96293254a1f284a95355440a2dc2cc

  • SHA256

    eb28c83590f742bb8a12d01f4692421786b6a04dcf9fcc31df93de6d0068b717

  • SHA512

    add0f86c572a83d4d2baa8a3d79db1ce321ae846aa02afe559abc91da0bd8ca6bd3969f4e75372ea606057436fc5e3353c71d23feef843340c41be9d0b72d800

  • SSDEEP

    12288:J4CD99jUhaQS/Aby46x4YFFR5WQ/Ee4vbDAt8G+DiBezmm72kiz5iIrSEO:Osbkaqx6xDR5BEe4X2jnBeKPIt

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

https://fancywaxxers.shop/api

Signatures

  • Lumma Stealer, LummaC

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

  • Lumma family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Crypto Seed Checker 2024 version.exe
    "C:\Users\Admin\AppData\Local\Temp\Crypto Seed Checker 2024 version.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3412
    • C:\Users\Admin\AppData\Local\Temp\Crypto Seed Checker 2024 version.exe
      "C:\Users\Admin\AppData\Local\Temp\Crypto Seed Checker 2024 version.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4392
      • C:\Users\Admin\AppData\Roaming\Uhu3cKZNq3.exe
        "C:\Users\Admin\AppData\Roaming\Uhu3cKZNq3.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        PID:716
      • C:\Users\Admin\AppData\Roaming\z3SuioLGfU.exe
        "C:\Users\Admin\AppData\Roaming\z3SuioLGfU.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:868
        • C:\Users\Admin\AppData\Roaming\z3SuioLGfU.exe
          "C:\Users\Admin\AppData\Roaming\z3SuioLGfU.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4340
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 868 -s 804
          4⤵
          • Program crash
          PID:1728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 800
      2⤵
      • Program crash
      PID:1796
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3412 -ip 3412
    1⤵
      PID:1744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 868 -ip 868
      1⤵
        PID:1624

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Uhu3cKZNq3.exe

        Filesize

        11KB

        MD5

        5afb8ce4dd3923219bd69bd7b5168d91

        SHA1

        e06283294510284af9082eb67d368e6d88d9e232

        SHA256

        f727bba8d917fa3f129d71745e0741a8511f940b1a6817ff5130aa2f3ae85c79

        SHA512

        8135efb34c768a9c292b54bc25845dd9b388e98f9f0b67918fbf5887c8e1d3da81bb84e044eebdf0868c40a685bd157daafb4789b373dea3e273c5275ebd0740

      • C:\Users\Admin\AppData\Roaming\z3SuioLGfU.exe

        Filesize

        381KB

        MD5

        a609440ff44e49322c92cbc9b081b665

        SHA1

        bfe2f35ea18a797b4048c4f6b8b2435a8801c225

        SHA256

        9e5e374fc7bd6937b1e35249b7c70cdefdb44e1aae7d9bb35c3bb67c1ef864dd

        SHA512

        a0c283daa88dd39a92031f5bba68523563a647f7a5f7e8dacfcdbe74ee2e41db9e304284e5fdd6e1ac7a8c8767febd0c193224b41c86af9b2d62e2759c036b6b

      • memory/716-34-0x000001C7B79E0000-0x000001C7B79E8000-memory.dmp

        Filesize

        32KB

      • memory/716-29-0x00007FFB476E3000-0x00007FFB476E5000-memory.dmp

        Filesize

        8KB

      • memory/868-37-0x00000000009E0000-0x0000000000A44000-memory.dmp

        Filesize

        400KB

      • memory/3412-1-0x0000000000D00000-0x0000000000DA6000-memory.dmp

        Filesize

        664KB

      • memory/3412-2-0x0000000005C30000-0x00000000061D4000-memory.dmp

        Filesize

        5.6MB

      • memory/3412-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

        Filesize

        4KB

      • memory/3412-8-0x0000000074F10000-0x00000000756C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4340-39-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

      • memory/4340-41-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

      • memory/4392-7-0x0000000000400000-0x0000000000496000-memory.dmp

        Filesize

        600KB

      • memory/4392-32-0x0000000000400000-0x0000000000496000-memory.dmp

        Filesize

        600KB

      • memory/4392-9-0x0000000000400000-0x0000000000496000-memory.dmp

        Filesize

        600KB

      • memory/4392-33-0x0000000000400000-0x0000000000496000-memory.dmp

        Filesize

        600KB

      • memory/4392-5-0x0000000000400000-0x0000000000496000-memory.dmp

        Filesize

        600KB

      • memory/4392-6-0x0000000000400000-0x0000000000496000-memory.dmp

        Filesize

        600KB

      • memory/4392-4-0x0000000000400000-0x0000000000496000-memory.dmp

        Filesize

        600KB