Analysis

  • max time kernel
    150s
  • max time network
    146s
  • 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
    $LOCALAPPDATA/funmoods.exe
  • Size 1.6MB
  • Sample261014-ej8awsx1gw
  • SHA256 73db5f6b89963d6692e3c43c8f3e5265ec4512ce87fe652e9ec3a4a0bb036db8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • 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.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • NSIS installer 4 IoCs
  • Modifies Internet Explorer settings 1 TTPs 6 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$LOCALAPPDATA\funmoods.exe
    "C:\Users\Admin\AppData\Local\Temp\$LOCALAPPDATA\funmoods.exe"
    1⤵
    • Loads dropped DLL
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\FM4ie.exe
      "C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\FM4ie.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:120
      • C:\Program Files (x86)\Funmoods\funmoods\1.5.11.16\funmoodssrv.exe
        "C:\Program Files (x86)\Funmoods\funmoods\1.5.11.16\funmoodssrv.exe" /RegServer
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:2552
    • C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\FM4ffx.exe
      C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\FM4ffx.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:292

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        funmoods.dll

        • Path C:\Program Files (x86)\Funmoods\funmoods\1.5.11.16\bh\funmoods.dll
        • Size 236KB
        • SHA256 ba6870cd06e5700f918c30ee92391d8a77c99b3fda06372c42b35983ee88253c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        funmoodsApp.dll

        • Path C:\Program Files (x86)\Funmoods\funmoods\1.5.11.16\funmoodsApp.dll
        • Size 329KB
        • SHA256 e4b3df5ead761fe83da367d5e2ae1d416d0f89a572480deecc20c4b4295f17eb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        funmoodsEng.dll

        • Path C:\Program Files (x86)\Funmoods\funmoods\1.5.11.16\funmoodsEng.dll
        • Size 535KB
        • SHA256 3d1b55bbb46e5788ca3e8ce68e515f52bdf63c0f53ceaad7236964eedf97f281
        • MD5 SHA1 SHA512 SSDEEP TLSH

        funmoodsTlbr.dll

        • Path C:\Program Files (x86)\Funmoods\funmoods\1.5.11.16\funmoodsTlbr.dll
        • Size 245KB
        • SHA256 b1fa4dacf9656e31588eebeca1f831c72a33d9affca07ede0d5f5d113ec14aaf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nss2295.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\$LOCALAPPDATA\nss2295.tmp
        • Size 50B
        • SHA256 f037a3cc98c31e4ab46a227064765a7cb9f4868ec0eb87f3f40ad609f9dc5b52
        • MD5 SHA1 SHA512 TLSH

        FM4ffx.exe

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\FM4ffx.exe
        • Size 319KB
        • SHA256 3ac3c700060a0487060724f3fd22faf70d5f633e69401641964d7ba4d6e6e570
        • MD5 SHA1 SHA512 SSDEEP TLSH

        FM4ie.exe

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\FM4ie.exe
        • Size 1.1MB
        • SHA256 abcde03656f4c6f51d4d4c788ece555581b8c7b52bfe1c18ef70678cb3a2e872
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsc16BC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsc16BC.tmp
        • Size 301B
        • SHA256 0eebe6ecb1c7f74a5175dd6aef7ea4a605741a54104f26b08f29ed0b763ae7db
        • MD5 SHA1 SHA512 TLSH

        nse1B10.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nse1B10.tmp
        • Size 51B
        • SHA256 5c6684aa03fa05b220dbd6a75cf084dba0a2118eb5cf89922b82ab5570fa9820
        • MD5 SHA1 SHA512 TLSH

        nsp1C45.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsp1C45.tmp
        • Size 780B
        • SHA256 c84ca50489f76628928987225ebf19cf466df9876d19d2954b8c4668368081a0
        • MD5 SHA1 SHA512 TLSH

        nst1946.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nst1946.tmp
        • Size 875B
        • SHA256 0b9bd5deb2c6af295c8a0cde8609d95bf8fd87717799bcfd2cc8537f8f499016
        • MD5 SHA1 SHA512 TLSH

        nsu1A83.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsu1A83.tmp
        • Size 1KB
        • SHA256 75773f62595580e70568bcf60f8c968e2ad0678463be7fda77ada60c40248ef8
        • MD5 SHA1 SHA512 TLSH

        nsz1C34.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsz1C34.tmp
        • Size 730B
        • SHA256 5722829b8248d677f4ae29b3298360899a1174337ef8559b9e1ce06288417b27
        • MD5 SHA1 SHA512 TLSH

        ExtractDLLEx.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsk1091.tmp\ExtractDLLEx.dll
        • Size 7KB
        • SHA256 73acba7dd477dfd6cf4249911f4e3c781196c7cf6b28425761dcb2d4f90c36c5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InetLoad.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsk1091.tmp\InetLoad.dll
        • Size 18KB
        • SHA256 bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NSISdl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsk1091.tmp\NSISdl.dll
        • Size 14KB
        • SHA256 dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Processes.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsk1091.tmp\Processes.dll
        • Size 56KB
        • SHA256 3b5388e13dab53d53e08791f492ed7d3094a0cee51e9841af83ce02534e0621c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsk1091.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Time.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsk1091.tmp\Time.dll
        • Size 10KB
        • SHA256 b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsk1091.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512 TLSH

        chrmPref.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsk1091.tmp\chrmPref.dll
        • Size 194KB
        • SHA256 c9ccc486c3353bad0d2819a42203c0db7ba98b4826b6a2b8d4deee832e4d3d8e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        mt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsk1091.tmp\mt.dll
        • Size 5KB
        • SHA256 6dc2644a389feeef9e0ac65e2c8b01fc18ca6e53b253f10efffcb117e0a852dd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        nsisos.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsk1091.tmp\nsisos.dll
        • Size 5KB
        • SHA256 ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\9b490uwh.Admin\user.js
        • Size 537B
        • SHA256 5366995c7e0575bdb829c72ab35450467eccdfb2f324673eed1d97a9ebae8a53
        • MD5 SHA1 SHA512 TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\9b490uwh.Admin\user.js
        • Size 648B
        • SHA256 aac17683030d90804a7fc3e53c46032dc7c92dbeef70b4f9995742f6e2dbe731
        • MD5 SHA1 SHA512 TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\9b490uwh.Admin\user.js
        • Size 712B
        • SHA256 c95f904f152738ac0db3a0ba87ed81c27ba705573603c19dd01a6cd3606ee5e3
        • MD5 SHA1 SHA512 TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\9b490uwh.Admin\user.js
        • Size 824B
        • SHA256 2d1f8061fbb0e7406eee1e3b88d9f7cd8dd5da8b3db5c8d7768c9ce620ded5c7
        • MD5 SHA1 SHA512 TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\9b490uwh.Admin\user.js
        • Size 1KB
        • SHA256 6741eba0596931bd081126f0e051caf2248be7d35e24fcdcd167c7387b4aee68
        • 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 287B
        • SHA256 5810b6d75d28dc25fd3497dc863160d952b0cb7c32115b4853476ed670831f16
        • MD5 SHA1 SHA512 TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dncgaxd6.default-release\user.js
        • Size 574B
        • SHA256 990d279c1c211a9704e562468045c97f2f83d79622a5e9f6239e32643a5c2b98
        • MD5 SHA1 SHA512 TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dncgaxd6.default-release\user.js
        • Size 678B
        • SHA256 f0ce0c73c113295de91402ba19d5aea44431764c4ff8c110012bf9256788350b
        • MD5 SHA1 SHA512 TLSH

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\dncgaxd6.default-release\user.js
        • Size 881B
        • SHA256 f8a734f90cffbc51a195e5ad590ad9629af36b25bf969325002c3bcdf5ad1bfc
        • MD5 SHA1 SHA512 TLSH

        memory/4576-83-0x0000000002210000-0x0000000002222000-memory.dmp

        memory/4576-1564-0x00000000049E0000-0x00000000049F2000-memory.dmp