Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

  • 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 6 IoCs
  • Modifies Internet Explorer settings 1 TTPs 6 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$LOCALAPPDATA\funmoods.exe
    "C:\Users\Admin\AppData\Local\Temp\$LOCALAPPDATA\funmoods.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2108
    • 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:2500
      • 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
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:1716
    • 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:1808

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        funmoodssrv.exe

        • Path C:\Program Files (x86)\Funmoods\funmoods\1.5.11.16\funmoodssrv.exe
        • Size 398KB
        • SHA256 93587b81f4e717b25a6e5fd2fb7158d7fb825f79af1c02ed0a61d5de15b6327b
        • MD5 SHA1 SHA512 SSDEEP

        uninstall.exe

        • Path C:\Program Files (x86)\Funmoods\funmoods\1.5.11.16\uninstall.exe
        • Size 130KB
        • SHA256 4dae85611b9fd18f44c36f330762ca7dae3842604999d6a5edd3d416b4ab0841
        • 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

        nsdB45F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsdB45F.tmp
        • Size 1KB
        • SHA256 d709515ae1c6594b71b23e0539cc22c3f3e440ed85c0c256c7c5f8c2f7797621
        • MD5 SHA1 SHA512

        nsdB4B0.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsdB4B0.tmp
        • Size 156B
        • SHA256 70a1f136522b2aa72ba60732e51c4211a5eacc626e0d8bfe4052559d4e79431c
        • MD5 SHA1 SHA512

        nsjB38B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsjB38B.tmp
        • Size 482B
        • SHA256 2cf8123690eb6820a4cfba0e6f31a1b154fc6a1e618128634e33caff7c3e9a20
        • MD5 SHA1 SHA512

        nsjB42F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsjB42F.tmp
        • Size 928B
        • SHA256 fad002fd01a744c5f81c64f229ef049e2a9c62096a53939abacbbe8fd31d33e4
        • MD5 SHA1 SHA512

        nsjB4D3.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsjB4D3.tmp
        • Size 342B
        • SHA256 4a063ac63d45fa792907d88e49acd51ee7611ff45905c61a43cec88e217c41e9
        • MD5 SHA1 SHA512

        nsjB4D4.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsjB4D4.tmp
        • Size 398B
        • SHA256 d8b543fbf30d57284704970457339c429c8c6f1fc641fe81bac1c9e5da5c301e
        • MD5 SHA1 SHA512

        nstB470.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nstB470.tmp
        • Size 1KB
        • SHA256 79bc2391ed47217562df3fec715a133b782eda97bd0274d54610bbdbb4851eab
        • MD5 SHA1 SHA512

        nstB4C1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nstB4C1.tmp
        • Size 232B
        • SHA256 7af10f63ffcfeba156e33a5684f5f961c082173127f35e55f204468e4e639387
        • MD5 SHA1 SHA512

        nstB4C2.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nstB4C2.tmp
        • Size 287B
        • SHA256 ca5dd004f69c92e4ba42f1ea5f9bfa111ff57a07487d486f3332bf68777c364e
        • MD5 SHA1 SHA512

        nsyB39B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsyB39B.tmp
        • Size 537B
        • SHA256 df08e7ac89941ceb03521f75ad6973332d27f2de7e219c1e5169ca73c3c9e339
        • MD5 SHA1 SHA512

        nsyB43F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsyB43F.tmp
        • Size 980B
        • SHA256 2ae939a3b65e9c0f5309cd9b3f84f6c507b765b9e494d29fd57d2a8d266e66d6
        • MD5 SHA1 SHA512

        nsyB4E4.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsyB4E4.tmp
        • Size 462B
        • SHA256 cd6bded72362544f697005a40d75616ab96f1b1b29016579c114b498c5f5ff10
        • MD5 SHA1 SHA512

        NSISdl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsoA777.tmp\NSISdl.dll
        • Size 14KB
        • SHA256 dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9
        • MD5 SHA1 SHA512 SSDEEP

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1bogwdvw.Admin\user.js
        • Size 301B
        • SHA256 0eebe6ecb1c7f74a5175dd6aef7ea4a605741a54104f26b08f29ed0b763ae7db
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1bogwdvw.Admin\user.js
        • Size 648B
        • SHA256 295d6adda1c01fcf2385dc70d8b59563674ba812cfb29741ba0ec4b760d4646d
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1bogwdvw.Admin\user.js
        • Size 875B
        • SHA256 2e7819d42ca822a06738cc0da9ced0663a0cd0aafc7bfe31444e46da674ab345
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1bogwdvw.default-release\user.js
        • Size 574B
        • SHA256 fbdab3d5aab1f0f29c175fa561b116aaf2c7ae0b4c288fcaaec2ba186fdfd02f
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1bogwdvw.default-release\user.js
        • Size 730B
        • SHA256 54cdd2d33ef15a6eaece883b420386eb63c19e143b6e0acfbb3c3bb5d65d5cb2
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1bogwdvw.default-release\user.js
        • Size 881B
        • SHA256 4daa7fb7cd43aacd8929510333cd423970c36f601d8bed855bd98ca499ef45e4
        • MD5 SHA1 SHA512

        funmoodsTlbr.dll

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

        FM4ie.exe

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

        ExtractDLLEx.dll

        • Path \Users\Admin\AppData\Local\Temp\nsoA777.tmp\ExtractDLLEx.dll
        • Size 7KB
        • SHA256 73acba7dd477dfd6cf4249911f4e3c781196c7cf6b28425761dcb2d4f90c36c5
        • MD5 SHA1 SHA512 SSDEEP

        InetLoad.dll

        • Path \Users\Admin\AppData\Local\Temp\nsoA777.tmp\InetLoad.dll
        • Size 18KB
        • SHA256 bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c
        • MD5 SHA1 SHA512 SSDEEP

        Processes.dll

        • Path \Users\Admin\AppData\Local\Temp\nsoA777.tmp\Processes.dll
        • Size 56KB
        • SHA256 3b5388e13dab53d53e08791f492ed7d3094a0cee51e9841af83ce02534e0621c
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nsoA777.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        Time.dll

        • Path \Users\Admin\AppData\Local\Temp\nsoA777.tmp\Time.dll
        • Size 10KB
        • SHA256 b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path \Users\Admin\AppData\Local\Temp\nsoA777.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        chrmPref.dll

        • Path \Users\Admin\AppData\Local\Temp\nsoA777.tmp\chrmPref.dll
        • Size 194KB
        • SHA256 c9ccc486c3353bad0d2819a42203c0db7ba98b4826b6a2b8d4deee832e4d3d8e
        • MD5 SHA1 SHA512 SSDEEP

        mt.dll

        • Path \Users\Admin\AppData\Local\Temp\nsoA777.tmp\mt.dll
        • Size 5KB
        • SHA256 6dc2644a389feeef9e0ac65e2c8b01fc18ca6e53b253f10efffcb117e0a852dd
        • MD5 SHA1 SHA512 SSDEEP

        nsisos.dll

        • Path \Users\Admin\AppData\Local\Temp\nsoA777.tmp\nsisos.dll
        • Size 5KB
        • SHA256 ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
        • MD5 SHA1 SHA512 SSDEEP

        memory/2108-79-0x0000000002880000-0x0000000002892000-memory.dmp

        memory/2108-1584-0x0000000002BB0000-0x0000000002BC2000-memory.dmp