Analysis

  • max time kernel
    92s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/01/2025, 13:54

General

  • Target
    $LOCALAPPDATA/funmoods.exe
  • Size 1.6MB
  • Sample250120-q7ybdasmem
  • 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:3556
    • 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:4156
      • 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:2044
    • 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:4036

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

        funmoodssrv.exe

        • Path C:\Program Files (x86)\Funmoods\funmoods\1.5.11.16\funmoodssrv.exe
        • Size 398KB
        • SHA256 93587b81f4e717b25a6e5fd2fb7158d7fb825f79af1c02ed0a61d5de15b6327b
        • 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

        nsj8321.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsj8321.tmp
        • Size 463B
        • SHA256 8bd087947605315ade39041d2f27e8192a3644393642e3ef130afb12049b4429
        • MD5 SHA1 SHA512

        nso8342.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nso8342.tmp
        • Size 575B
        • SHA256 7af7a6960c40c1c605bbd7db0ebbfff893659ee22532ff3fa79ed8026207d2eb
        • MD5 SHA1 SHA512

        nsy823E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsy823E.tmp
        • Size 1KB
        • SHA256 814d1879eff14d617ade4c25cfce53de50128dbc850023757dd22d7f50682af2
        • MD5 SHA1 SHA512

        nsy8384.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsy8384.tmp
        • Size 781B
        • SHA256 b04d9d05eecef8a13a72228c55392437cc52ea2ff07f7acd8e4421bd41075acb
        • MD5 SHA1 SHA512

        ExtractDLLEx.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsw7CB3.tmp\ExtractDLLEx.dll
        • Size 7KB
        • SHA256 73acba7dd477dfd6cf4249911f4e3c781196c7cf6b28425761dcb2d4f90c36c5
        • MD5 SHA1 SHA512 SSDEEP

        InetLoad.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsw7CB3.tmp\InetLoad.dll
        • Size 18KB
        • SHA256 bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c
        • MD5 SHA1 SHA512 SSDEEP

        NSISdl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsw7CB3.tmp\NSISdl.dll
        • Size 14KB
        • SHA256 dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9
        • MD5 SHA1 SHA512 SSDEEP

        Processes.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsw7CB3.tmp\Processes.dll
        • Size 56KB
        • SHA256 3b5388e13dab53d53e08791f492ed7d3094a0cee51e9841af83ce02534e0621c
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsw7CB3.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        Time.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsw7CB3.tmp\Time.dll
        • Size 10KB
        • SHA256 b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsw7CB3.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        chrmPref.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsw7CB3.tmp\chrmPref.dll
        • Size 194KB
        • SHA256 c9ccc486c3353bad0d2819a42203c0db7ba98b4826b6a2b8d4deee832e4d3d8e
        • MD5 SHA1 SHA512 SSDEEP

        mt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsw7CB3.tmp\mt.dll
        • Size 5KB
        • SHA256 6dc2644a389feeef9e0ac65e2c8b01fc18ca6e53b253f10efffcb117e0a852dd
        • MD5 SHA1 SHA512 SSDEEP

        nsisos.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsw7CB3.tmp\nsisos.dll
        • Size 5KB
        • SHA256 ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
        • MD5 SHA1 SHA512 SSDEEP

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\vobr65rb.Admin\user.js
        • Size 592B
        • SHA256 ac80de4f8d0c1adb325d76709f3aed3c88354e476e412706c2e5db45e3804fac
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\vobr65rb.Admin\user.js
        • Size 770B
        • SHA256 a4b1504e23a5e48766dfdd40a7d93f311a437dc1059a29db08b5ee48133e8ab5
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\vobr65rb.Admin\user.js
        • Size 981B
        • SHA256 b99bb1dad274d91ee5e3ebd077b772191a5087b274fc51be367c169640aae452
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\vobr65rb.Admin\user.js
        • Size 1KB
        • SHA256 764b18b2d11adce952079cd80df3ea4f291877ab01d6aa29ef5f22444eb5a74d
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\y0bypz8z.default-release\user.js
        • Size 398B
        • SHA256 cae6c6c8046f92cae46d8ba6866df0699bcd2d14f676776699dc78ec0895e468
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\y0bypz8z.default-release\user.js
        • Size 520B
        • SHA256 3bc23657923173a8d4af9656b80d0059d7cc4f1167b7d50df102da78dd596404
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\y0bypz8z.default-release\user.js
        • Size 830B
        • SHA256 9f4d6777fac455fe19ef741200d32ef63cb13926b72e4141b06821c6585cde6e
        • MD5 SHA1 SHA512

        memory/3556-84-0x0000000002980000-0x0000000002992000-memory.dmp

        memory/3556-1600-0x0000000003B60000-0x0000000003B72000-memory.dmp