Analysis

  • max time kernel
    14s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2025, 10:15

General

  • Target
    $LOCALAPPDATA/funmoods.exe
  • Size 1.6MB
  • Sample250119-maf42strgj
  • 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:432
    • 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:2604
      • 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:2660
    • 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:1476

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        uninstall.exe

        • Path C:\Program Files (x86)\Funmoods\funmoods\1.5.11.16\uninstall.exe
        • Size 130KB
        • SHA256 4dae85611b9fd18f44c36f330762ca7dae3842604999d6a5edd3d416b4ab0841
        • MD5 SHA1 SHA512 SSDEEP

        nse2D9F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nse2D9F.tmp
        • Size 626B
        • SHA256 e2fddde29a6e00ae8d7a90bde34f24af52e3eceb949236d56476effdb5712e3c
        • MD5 SHA1 SHA512

        nse2DEF.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nse2DEF.tmp
        • Size 731B
        • SHA256 679b271b9f108cfbbc66dc6c50c41946c738bb56a80760778edf58d5692059b1
        • MD5 SHA1 SHA512

        nsj2BDF.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsj2BDF.tmp
        • Size 1KB
        • SHA256 4facb3221a28d4c4086c9735f5f70db24d843e292141b129d89e6094480dc5dc
        • MD5 SHA1 SHA512

        nsj2C7C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsj2C7C.tmp
        • Size 1KB
        • SHA256 cd99e3b917cff380f3a19a46560ee127955afb37c35249cbe030de05aad5bf39
        • MD5 SHA1 SHA512

        nsj2D6E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsj2D6E.tmp
        • Size 520B
        • SHA256 138b2a7991c532930aa6dea115ca5454808ff5e88103e41267529cdd70238ee2
        • MD5 SHA1 SHA512

        nsj2DBF.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsj2DBF.tmp
        • Size 679B
        • SHA256 6b2aad8b532c2a637925def439670a64c71372c29a3e1fa79c692f1b34c43d25
        • MD5 SHA1 SHA512

        nsj2E0F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsj2E0F.tmp
        • Size 781B
        • SHA256 b46f30169359ec570c094bb4fd5440ea13355beff2b6589143e9091fed0a999f
        • MD5 SHA1 SHA512

        nso2D3D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nso2D3D.tmp
        • Size 398B
        • SHA256 19d8985d5f8ffe83e6bf5ab14af2de20328f2fb15215eef997408686b7cd0980
        • MD5 SHA1 SHA512

        nsu2D5E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsu2D5E.tmp
        • Size 463B
        • SHA256 c668a51af15a62403390efc47712e7cae1b8d50fb5d058eeeae52f7127766cb9
        • MD5 SHA1 SHA512

        nsu2E4F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsu2E4F.tmp
        • Size 830B
        • SHA256 cb2a2e26db3cbf434bf6c629f820888f01551d5acc851082633b0d4247a2cf5c
        • MD5 SHA1 SHA512

        nsz2D2D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsz2D2D.tmp
        • Size 342B
        • SHA256 bd2e98155bd4c7efccbbc93dd1d0ba06c3a8212f134d155acbe08cb1468db332
        • MD5 SHA1 SHA512

        nsz2D7F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsz2D7F.tmp
        • Size 575B
        • SHA256 c42172f047e1164a917999ca1de6f9efe2fe6163e39f9a9dc03d6a7c690199e7
        • MD5 SHA1 SHA512

        NSISdl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nse2415.tmp\NSISdl.dll
        • Size 14KB
        • SHA256 dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9
        • MD5 SHA1 SHA512 SSDEEP

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bhzluvd5.Admin\user.js
        • Size 406B
        • SHA256 1164c9ded36dbae9752329f8833729cb6b9ee0177abb8d00d1efeede0baf8ff4
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bhzluvd5.Admin\user.js
        • Size 592B
        • SHA256 46233776607c78fbd74481a194b2f01918129cc75893bc0dcbe5292cb82199c3
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bhzluvd5.Admin\user.js
        • Size 713B
        • SHA256 3cfb8dd86b02ff28cf46e9bd6da048b93723b17539b1d29917f4977849e34043
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bhzluvd5.Admin\user.js
        • Size 876B
        • SHA256 06ef250673e0a5ff56c86c1034dd9d9225ff1998449000dbddda56a27ef35aa0
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bhzluvd5.Admin\user.js
        • Size 981B
        • SHA256 23998ffc28e48526a0d335aedb862879eac9be3697eb85773a1bd0202b418a1c
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\bhzluvd5.default-release\user.js
        • Size 287B
        • SHA256 868c88fea43c8bbe0fef9ad0761efb74659c8781d9e458246aa7a05f1916f99b
        • 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

        FM4ffx.exe

        • Path \Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\FM4ffx.exe
        • Size 319KB
        • SHA256 3ac3c700060a0487060724f3fd22faf70d5f633e69401641964d7ba4d6e6e570
        • 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\nse2415.tmp\ExtractDLLEx.dll
        • Size 7KB
        • SHA256 73acba7dd477dfd6cf4249911f4e3c781196c7cf6b28425761dcb2d4f90c36c5
        • MD5 SHA1 SHA512 SSDEEP

        InetLoad.dll

        • Path \Users\Admin\AppData\Local\Temp\nse2415.tmp\InetLoad.dll
        • Size 18KB
        • SHA256 bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c
        • MD5 SHA1 SHA512 SSDEEP

        Processes.dll

        • Path \Users\Admin\AppData\Local\Temp\nse2415.tmp\Processes.dll
        • Size 56KB
        • SHA256 3b5388e13dab53d53e08791f492ed7d3094a0cee51e9841af83ce02534e0621c
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nse2415.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        Time.dll

        • Path \Users\Admin\AppData\Local\Temp\nse2415.tmp\Time.dll
        • Size 10KB
        • SHA256 b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path \Users\Admin\AppData\Local\Temp\nse2415.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        chrmPref.dll

        • Path \Users\Admin\AppData\Local\Temp\nse2415.tmp\chrmPref.dll
        • Size 194KB
        • SHA256 c9ccc486c3353bad0d2819a42203c0db7ba98b4826b6a2b8d4deee832e4d3d8e
        • MD5 SHA1 SHA512 SSDEEP

        mt.dll

        • Path \Users\Admin\AppData\Local\Temp\nse2415.tmp\mt.dll
        • Size 5KB
        • SHA256 6dc2644a389feeef9e0ac65e2c8b01fc18ca6e53b253f10efffcb117e0a852dd
        • MD5 SHA1 SHA512 SSDEEP

        nsisos.dll

        • Path \Users\Admin\AppData\Local\Temp\nse2415.tmp\nsisos.dll
        • Size 5KB
        • SHA256 ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
        • MD5 SHA1 SHA512 SSDEEP

        memory/432-79-0x0000000001CE0000-0x0000000001CF2000-memory.dmp

        memory/432-1584-0x00000000023B0000-0x00000000023C2000-memory.dmp