Analysis

  • max time kernel
    150s
  • max time network
    127s
  • 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-eka2savy3r
  • 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:4440

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        nsa44A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsa44A.tmp
        • Size 979B
        • SHA256 24f8fb8113c8bf948b4dce247fb1132bef66120dacfa1344cb9f2c707ffb686c
        • MD5 SHA1 SHA512 TLSH

        nsf32C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsf32C.tmp
        • Size 718B
        • SHA256 3ad0e7cf2ab5de62a2d0eec58c1339f3a14ceee2578d7f88c450d92038b27a05
        • MD5 SHA1 SHA512 TLSH

        nsf41A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsf41A.tmp
        • Size 929B
        • SHA256 7456814afbb70f9cc8f55d43a16b2ca3f600c5589165d34be646f9ef7783a980
        • MD5 SHA1 SHA512 TLSH

        nsg5AB.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsg5AB.tmp
        • Size 523B
        • SHA256 5f9cd07ae85b9108db59199a359e6667ccf3f952a165428bca918a0cf0cc3e53
        • MD5 SHA1 SHA512 TLSH

        nsk3EA.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsk3EA.tmp
        • Size 877B
        • SHA256 1f2c00dc6c5c031a813b04dffd4fa5fc960cff858ba3bd8fc358fe3d52abba2f
        • MD5 SHA1 SHA512 TLSH

        nsl5CB.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsl5CB.tmp
        • Size 574B
        • SHA256 d36fa037534b891c4906b2f42ab4bfb4d92d88dc95256bf8029b552a6efe10e1
        • MD5 SHA1 SHA512 TLSH

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso13F.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Time.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso13F.tmp\Time.dll
        • Size 10KB
        • SHA256 b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso13F.tmp\mt.dll
        • Size 5KB
        • SHA256 6dc2644a389feeef9e0ac65e2c8b01fc18ca6e53b253f10efffcb117e0a852dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsisos.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso13F.tmp\nsisos.dll
        • Size 5KB
        • SHA256 ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsp31B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsp31B.tmp
        • Size 661B
        • SHA256 9e064312f27e6a0f72a2f8399a379c3af9c6e02eda9c1eca931353cceb249d46
        • MD5 SHA1 SHA512 TLSH

        nsp36B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsp36B.tmp
        • Size 773B
        • SHA256 79819196a23b005a2e3e8457be31d6421dfec2e87acb4ebb1afc7fc4560204fc
        • MD5 SHA1 SHA512 TLSH

        nsq59A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsq59A.tmp
        • Size 468B
        • SHA256 9374557df4e6552adcc17872e3359fbc57932b9077cbaa045277e8730000aa5c
        • MD5 SHA1 SHA512 TLSH

        nsv38C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsv38C.tmp
        • Size 824B
        • SHA256 8e2525c92efcf06333011137db558d2cce205b009669eb517048368273a07990
        • MD5 SHA1 SHA512 TLSH

        nsv47A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsv47A.tmp
        • Size 1KB
        • SHA256 c9108b576b644fdf5b46c6cd1fe998b39c7009f8371a563b3d7eb401de2a6f24
        • MD5 SHA1 SHA512 TLSH

        nsw65C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsw65C.tmp
        • Size 778B
        • SHA256 8c8b1d7a0c82a6895121bad80b03f1933b9b350f4e1ec90a765ae56b889c0e2a
        • MD5 SHA1 SHA512 TLSH

        nsz26D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\nsz26D.tmp
        • Size 541B
        • SHA256 e32dc5717812bb67fe62a9e78c42a54c9a165ece62c076441b01ee0d64758644
        • MD5 SHA1 SHA512 TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\4kxymech.Admin\user.js
        • Size 597B
        • SHA256 fe3983f5823a9ed33de7a63f8866f4dda487a826e47afe0f8882ef1e040fcaa9
        • MD5 SHA1 SHA512 TLSH

        cn.png

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\7wx55ht6.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\7wx55ht6.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\7wx55ht6.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\7wx55ht6.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\7wx55ht6.default-release\user.js
        • Size 411B
        • SHA256 16ca542da9e714a5034a7e3b97c20c06db58d69375d38f1e5ed8303e92bf3924
        • MD5 SHA1 SHA512 TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\7wx55ht6.default-release\user.js
        • Size 729B
        • SHA256 99d9eac265f47fd774f08ca19ce2fef790ff50b8a9200f38c62ed8dac61023ea
        • MD5 SHA1 SHA512 TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\7wx55ht6.default-release\user.js
        • Size 291B
        • SHA256 c17bc0122cc08d3249b2dea9615a407c01e8150dcae42a537cc3c8986c406548
        • MD5 SHA1 SHA512 TLSH