Analysis

  • max time kernel
    143s
  • max time network
    146s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    05-01-2025 16:39

General

  • Target

    Nexol.exe

  • Size

    340KB

  • MD5

    3fc13f168ca72a690a0d4dbd9bac0e69

  • SHA1

    74010009b8944bd0d0b534a84008253fed608c9a

  • SHA256

    8a3fb85846036b30c76d954ef98fe64f1a6a782b2417db1cb0229050108dd532

  • SHA512

    17c849c2080a3ccb69d959849fdc02cc2d9949a98dd750287427a2395d200afc13ba8ce342dbc9fcd1290061fa80dddfe47088e2f4a55712b821756eab945690

  • SSDEEP

    6144:kTtAKnCj7ZrSsfCdPTwfnC16ISWHMFdsnv/bFRibJ28mAgg8oIKdeiuCBa6khpXp:qlgZGagMfe69UGdyRibJ23iuCBwpSOH

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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nexol.exe
    "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\Users\Admin\AppData\Local\Temp\Nexol.exe
      "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
      2⤵
        PID:796
      • C:\Users\Admin\AppData\Local\Temp\Nexol.exe
        "C:\Users\Admin\AppData\Local\Temp\Nexol.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:896
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 144
        2⤵
        • Program crash
        PID:1732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4816 -ip 4816
      1⤵
        PID:3780
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=5744,i,11057550979060774106,2035785093901894313,262144 --variations-seed-version --mojo-platform-channel-handle=4028 /prefetch:8
        1⤵
          PID:2884
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --string-annotations=is-enterprise-managed=no --field-trial-handle=4656,i,11057550979060774106,2035785093901894313,262144 --variations-seed-version --mojo-platform-channel-handle=4064 /prefetch:8
          1⤵
            PID:2952

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/896-4-0x0000000000400000-0x000000000045B000-memory.dmp

            Filesize

            364KB

          • memory/896-6-0x0000000000400000-0x000000000045B000-memory.dmp

            Filesize

            364KB

          • memory/896-8-0x0000000000400000-0x000000000045B000-memory.dmp

            Filesize

            364KB

          • memory/896-9-0x0000000000400000-0x000000000045B000-memory.dmp

            Filesize

            364KB

          • memory/4816-0-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

            Filesize

            4KB

          • memory/4816-1-0x0000000000340000-0x000000000039E000-memory.dmp

            Filesize

            376KB

          • memory/4816-2-0x0000000005170000-0x0000000005716000-memory.dmp

            Filesize

            5.6MB

          • memory/4816-7-0x0000000074C20000-0x00000000753D1000-memory.dmp

            Filesize

            7.7MB