Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/10/2026, 03:59

General

  • Target
    FM4ffx.exe
  • Size 319KB
  • Sample261014-ej56jaft4s
  • SHA256 3ac3c700060a0487060724f3fd22faf70d5f633e69401641964d7ba4d6e6e570
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 64 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\FM4ffx.exe
    "C:\Users\Admin\AppData\Local\Temp\FM4ffx.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    PID:2092

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        nsa2A20.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsa2A20.tmp
        • Size 778B
        • SHA256 ac65933ab485cf66703eba1d6e357e1c0c731f4f469d67f64ee032b2b1dc811f
        • MD5 SHA1 SHA512 TLSH

        nsc2237.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsc2237.tmp
        • Size 355B
        • SHA256 42fe6aede59d0b4629f96288d1ab22008aca8576815f9d70fdb91810e2fed48c
        • MD5 SHA1 SHA512 TLSH

        nse2772.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nse2772.tmp
        • Size 979B
        • SHA256 84bc615be70b5d949808057dfa964c839327e829ebfe3b244fc82f5b9dec4cb9
        • MD5 SHA1 SHA512 TLSH

        nse27C1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nse27C1.tmp
        • Size 1KB
        • SHA256 22814e376fe789b2aab2ab27a59a0a0aaca37e3c7aef4ee7efa852898c116136
        • MD5 SHA1 SHA512 TLSH

        nsf2951.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsf2951.tmp
        • Size 574B
        • SHA256 857ab2b4956624df85e843a57d7e813ca17eb79e3f61a884ab0d19c4ded87ea0
        • MD5 SHA1 SHA512 TLSH

        nsj2607.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsj2607.tmp
        • Size 773B
        • SHA256 5d5132d19212b8df7e1b8c769257438c1ec26fecc6403177b36257ad7206c4e2
        • MD5 SHA1 SHA512 TLSH

        nsk2921.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsk2921.tmp
        • Size 523B
        • SHA256 1b8b8042225489c858b2c5fbf50f47ea6490157db37db7a3546b0715cd8d90bf
        • MD5 SHA1 SHA512 TLSH

        nsk2971.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsk2971.tmp
        • Size 627B
        • SHA256 6f722cb7c0d94c2c4d10b6bd7bc2a113f8d8ea584f34856a0d21277b8efd4a3c
        • MD5 SHA1 SHA512 TLSH

        nso2588.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nso2588.tmp
        • Size 661B
        • SHA256 6a7237e1aa38941b369fcb9730ff1fc794aaea195bf258da48b3ecb87ae4931c
        • MD5 SHA1 SHA512 TLSH

        nso25D7.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nso25D7.tmp
        • Size 718B
        • SHA256 58b5307a7bfd024034b3268952d7b2410e9d033905a659bb54ae03d6308cd880
        • MD5 SHA1 SHA512 TLSH

        nso26C4.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nso26C4.tmp
        • Size 877B
        • SHA256 0494c3b7ef45495fb5c3cd15be5abaeff0c541da5bee01ef3ed39f0c125d5018
        • MD5 SHA1 SHA512 TLSH

        nso2713.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nso2713.tmp
        • Size 929B
        • SHA256 0032d1c142be641f0052a236defc5b8ce80b713f2108e489d29be1f703e25c31
        • MD5 SHA1 SHA512 TLSH

        nsp28F0.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsp28F0.tmp
        • Size 411B
        • SHA256 59b0f884e340236cc1b92660e94d12f980532c58a59a6f1c803cfea27c78198e
        • MD5 SHA1 SHA512 TLSH

        nsp29E0.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsp29E0.tmp
        • Size 729B
        • SHA256 5d6d359e8fb6aa9d3e2d9df55d7bf82ed7aea4607226b56209bc6440536fc0b2
        • MD5 SHA1 SHA512 TLSH

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr215A.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Time.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr215A.tmp\Time.dll
        • Size 10KB
        • SHA256 b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr215A.tmp\mt.dll
        • Size 5KB
        • SHA256 6dc2644a389feeef9e0ac65e2c8b01fc18ca6e53b253f10efffcb117e0a852dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsisos.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsr215A.tmp\nsisos.dll
        • Size 5KB
        • SHA256 ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsu28C0.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsu28C0.tmp
        • Size 347B
        • SHA256 ea0ef0082529077e694874e1b7aae7f800bb14af18376fea81c47dc290022fc3
        • MD5 SHA1 SHA512 TLSH

        nsu2910.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsu2910.tmp
        • Size 468B
        • SHA256 74b1bdd42542283f4723c67c1960f1934d678b13b755832518f304a6322f6ffe
        • MD5 SHA1 SHA512 TLSH

        nsv29B1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsv29B1.tmp
        • Size 679B
        • SHA256 0793ec1bc2b6139ac3fe9aa3bf7609688e0d1500dd8d01f14819ecbe19e314b3
        • MD5 SHA1 SHA512 TLSH

        nsy2665.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsy2665.tmp
        • Size 824B
        • SHA256 0090d08e5515701d050e03c6082549fd6ab34391a633e697844e10b5cbb45258
        • MD5 SHA1 SHA512 TLSH

        nsz288D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsz288D.tmp
        • Size 105B
        • SHA256 d7516cb11c81e5ef2e0c7cffa7175c3a7f36f945e788a27024fdc79443fdda45
        • MD5 SHA1 SHA512 TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\9b490uwh.Admin\user.js
        • Size 597B
        • SHA256 89568b663b0774d810d59823bc2b0467e7b15c2469ce09d865b30ae40db2077c
        • MD5 SHA1 SHA512 TLSH

        cn.png

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dncgaxd6.default-release\extensions\[email protected]\content\imgs\flgs\cn.png
        • Size 472B
        • SHA256 7058233b5bdfdd4279e92e9dfe64bd4a61afd7e76d97dba498ce1d5777b92185
        • MD5 SHA1 SHA512 TLSH

        il.png

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dncgaxd6.default-release\extensions\[email protected]\content\imgs\flgs\il.png
        • Size 431B
        • SHA256 5432e244f03e3973153451b1ec88d649459580eab66e2df936fe2f70f2fed823
        • MD5 SHA1 SHA512 TLSH

        jp.png

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dncgaxd6.default-release\extensions\[email protected]\content\imgs\flgs\jp.png
        • Size 420B
        • SHA256 5efce88ac7228ea159bcf7fd1cc56d73c19428394218706524bac0e9151d4c61
        • MD5 SHA1 SHA512 TLSH

        us.png

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dncgaxd6.default-release\extensions\[email protected]\content\imgs\flgs\us.png
        • Size 609B
        • SHA256 36cce5cae3d2e0045b2b2b6cbffdad7a0aba3e99919cc219bbf0578efdc45585
        • MD5 SHA1 SHA512 TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dncgaxd6.default-release\user.js
        • Size 291B
        • SHA256 c8130be0d43b8b8f7e13d94f4ecdfe2c3b3548d3873640d6a43eedf01503d2a1
        • MD5 SHA1 SHA512 TLSH