Analysis

  • max time kernel
    94s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2025, 09:23

General

  • Target
    $LOCALAPPDATA/funmoods.exe
  • Size 1.6MB
  • Sample250119-lcq7cssldt
  • SHA256 73db5f6b89963d6692e3c43c8f3e5265ec4512ce87fe652e9ec3a4a0bb036db8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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).

  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$LOCALAPPDATA\funmoods.exe
    "C:\Users\Admin\AppData\Local\Temp\$LOCALAPPDATA\funmoods.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1392
    • 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:5012
      • 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:3184
    • 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:4896

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        funmoodsApp.dll

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

        funmoodsEng.dll

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

        funmoodsTlbr.dll

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

        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

        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

        nscBFAD.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nscBFAD.tmp
        • Size 648B
        • SHA256 2c5f54bfdbb6534ad85c5eb1fa8383755a05298feb81af2bd806b3960de712e0
        • MD5 SHA1 SHA512

        nsdC051.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsdC051.tmp
        • Size 1KB
        • SHA256 b5ae278f508e0b52ddf8f82851cc9e7d9acac7b3b14c864345fa6860867af549
        • MD5 SHA1 SHA512

        nsdC0F2.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsdC0F2.tmp
        • Size 287B
        • SHA256 7096c6183521ebabcf1e6caa1926729494ee92e831aa4aabe002ead989674db7
        • MD5 SHA1 SHA512

        nsdC0F3.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsdC0F3.tmp
        • Size 342B
        • SHA256 25d7bb73a518806d6626621c8d60e0b2ca68fc30a5fcf3d2b1313f063e052e04
        • MD5 SHA1 SHA512

        nsdC147.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsdC147.tmp
        • Size 678B
        • SHA256 2880271cb0e4f57351c28dc29037c7dbc325eb0c1edaaa59cc8539d0b83ede11
        • MD5 SHA1 SHA512

        nsiBFCE.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsiBFCE.tmp
        • Size 712B
        • SHA256 7f4830cab761c7288437bf0769eaf8202c89ec200b8cf983fed44f383c413996
        • MD5 SHA1 SHA512

        nsiC115.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsiC115.tmp
        • Size 519B
        • SHA256 0719a0ef944cdb2d94eed73922b06c87701fd9441e24e90cc5b1a4c030508517
        • MD5 SHA1 SHA512

        nsiC168.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsiC168.tmp
        • Size 780B
        • SHA256 3b40dddd037be3bcb906d855524620512ea3a742343b4e7676d1c1f5bce2f237
        • MD5 SHA1 SHA512

        nsnC135.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsnC135.tmp
        • Size 574B
        • SHA256 25b4849fb18821bca13af5553deb1b648648e0cec00c912bce59ab639c45a891
        • MD5 SHA1 SHA512

        nssBF6C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nssBF6C.tmp
        • Size 482B
        • SHA256 d8cc6c06a4481c6860ed2fc662c104193e1ae7eca6dd3c455eb3ff70862eb81f
        • MD5 SHA1 SHA512

        nssC00F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nssC00F.tmp
        • Size 875B
        • SHA256 83a1a8b8a17a6044c82705d9deb1933e035b39ac5bc2b3424cf2f2d870c54466
        • MD5 SHA1 SHA512

        nssC103.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nssC103.tmp
        • Size 398B
        • SHA256 b78fd870b986845f930159036829d4a28540259b963e22409062a611ae6fdb92
        • MD5 SHA1 SHA512

        nssC104.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nssC104.tmp
        • Size 462B
        • SHA256 3f1abf283400f4ab79c2f04797073e20846c94c7257eb1b16ea4dcb3067e6813
        • MD5 SHA1 SHA512

        nsxC030.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsxC030.tmp
        • Size 980B
        • SHA256 29fc621e0c89a6bef0d531d631fa90a280e7cb72abd6bbda5e5de372177b035b
        • MD5 SHA1 SHA512

        nsxC080.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsxC080.tmp
        • Size 1KB
        • SHA256 c733493b5152d07bb016e472a225dd5f6aaca6fe27f0dec9b3215f02b313a596
        • MD5 SHA1 SHA512

        nsyC0D1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsyC0D1.tmp
        • Size 156B
        • SHA256 70a1f136522b2aa72ba60732e51c4211a5eacc626e0d8bfe4052559d4e79431c
        • MD5 SHA1 SHA512

        nsyC179.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsyC179.tmp
        • Size 829B
        • SHA256 733b5fede3f492c84420eaa8cd2fcb34ad4dca317adaeab23556f4aa11a48569
        • MD5 SHA1 SHA512

        ExtractDLLEx.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsrBC5C.tmp\ExtractDLLEx.dll
        • Size 7KB
        • SHA256 73acba7dd477dfd6cf4249911f4e3c781196c7cf6b28425761dcb2d4f90c36c5
        • MD5 SHA1 SHA512 SSDEEP

        InetLoad.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsrBC5C.tmp\InetLoad.dll
        • Size 18KB
        • SHA256 bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c
        • MD5 SHA1 SHA512 SSDEEP

        NSISdl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsrBC5C.tmp\NSISdl.dll
        • Size 14KB
        • SHA256 dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9
        • MD5 SHA1 SHA512 SSDEEP

        Processes.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsrBC5C.tmp\Processes.dll
        • Size 56KB
        • SHA256 3b5388e13dab53d53e08791f492ed7d3094a0cee51e9841af83ce02534e0621c
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsrBC5C.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        Time.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsrBC5C.tmp\Time.dll
        • Size 10KB
        • SHA256 b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsrBC5C.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        chrmPref.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsrBC5C.tmp\chrmPref.dll
        • Size 194KB
        • SHA256 c9ccc486c3353bad0d2819a42203c0db7ba98b4826b6a2b8d4deee832e4d3d8e
        • MD5 SHA1 SHA512 SSDEEP

        mt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsrBC5C.tmp\mt.dll
        • Size 5KB
        • SHA256 6dc2644a389feeef9e0ac65e2c8b01fc18ca6e53b253f10efffcb117e0a852dd
        • MD5 SHA1 SHA512 SSDEEP

        nsisos.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsrBC5C.tmp\nsisos.dll
        • Size 5KB
        • SHA256 ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
        • MD5 SHA1 SHA512 SSDEEP

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3yrocb08.Admin\user.js
        • Size 592B
        • SHA256 a896190d64f030ff20687a4c9bf8561508499db7f16307987b6d97c0cd6da47c
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3yrocb08.Admin\user.js
        • Size 769B
        • SHA256 ded90c7882ccea2016b6d9975f99c7219c9025923a49390e643d9ed7498dd1b8
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\3yrocb08.Admin\user.js
        • Size 928B
        • SHA256 e9ac86e42ecd9aaf40a349372ed24d772539b6378fdac5f208a7c5317c333d1c
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ir3v68x.default-release\user.js
        • Size 730B
        • SHA256 f79fd96a5a51fcb72615f34a530b935d05da1e2324359a1b93fb649705c672a9
        • MD5 SHA1 SHA512

        memory/1392-84-0x0000000002310000-0x0000000002322000-memory.dmp

        memory/1392-1600-0x0000000003B90000-0x0000000003BA2000-memory.dmp