Analysis

  • max time kernel
    41s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/06/2024, 12:27

General

  • Target
    $LOCALAPPDATA/funmoods.exe
  • Size 1.6MB
  • Sample240621-pmw25stcnk
  • 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 2 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).

  • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2316
    • 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
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4796
      • 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
        • Modifies registry class
        PID:2832
    • 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
      PID:2980

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

        nsd7507.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsd7507.tmp
        • Size 592B
        • SHA256 9db834d4715a49f61a2e507d3d01b6e036f9689eb9d2a1921a1500a8d9149f8d
        • MD5 SHA1 SHA512

        nsd7559.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsd7559.tmp
        • Size 825B
        • SHA256 3785ca633fd47416685fa0f03d932f3a63be176383d0651574c4cc041d6aa9a6
        • MD5 SHA1 SHA512

        nse7699.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nse7699.tmp
        • Size 156B
        • SHA256 70a1f136522b2aa72ba60732e51c4211a5eacc626e0d8bfe4052559d4e79431c
        • MD5 SHA1 SHA512

        nsn74F6.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsn74F6.tmp
        • Size 537B
        • SHA256 1fda41baac608383c60508f8f68a9a444a7e446a7f08885e203d6eca07a8311e
        • MD5 SHA1 SHA512

        nso759B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nso759B.tmp
        • Size 981B
        • SHA256 a188516ed884257640fe056144d197eea1efde2cfa93f0de533c610fdfa41c70
        • MD5 SHA1 SHA512

        nst756A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nst756A.tmp
        • Size 876B
        • SHA256 224fd2a7818d3b74d4b7412854fa888c135979f4a3391b038025e49177bb9af1
        • MD5 SHA1 SHA512

        nst75BB.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nst75BB.tmp
        • Size 1KB
        • SHA256 9e4ac4557b94c8acb55acf4476cb86b102ba92e34bff48cb7c7166e30670c6bd
        • MD5 SHA1 SHA512

        nst76FB.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nst76FB.tmp
        • Size 463B
        • SHA256 8dcabcca32f9cd531320240a61e0672ce5ff57928c56cafe2d180ccf7023b198
        • MD5 SHA1 SHA512

        nst774D.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nst774D.tmp
        • Size 679B
        • SHA256 128c846fb11ff92cdcd2ebe1502de4b896a594bd68282632936c890e89325542
        • MD5 SHA1 SHA512

        nsy7539.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsy7539.tmp
        • Size 770B
        • SHA256 26af4979e3923a6096db858b9647ae382e613cbdbcd607f2b03ea8d59b926d95
        • MD5 SHA1 SHA512

        nsy758A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsy758A.tmp
        • Size 929B
        • SHA256 677bc34af91643f2616b1aee347e297107c2be9653d2e6986d2a6bff82f2eb73
        • MD5 SHA1 SHA512

        nsy75DB.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsy75DB.tmp
        • Size 1KB
        • SHA256 988fffd657a3cd0b2c1eb8541b50adc990a06152584f1f99c2ae38303d454f57
        • MD5 SHA1 SHA512

        nsy76CA.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsy76CA.tmp
        • Size 342B
        • SHA256 b241dda754053c0c43bdc6fa619ed11934f391993ce633074c12a686cd8b3d93
        • MD5 SHA1 SHA512

        nsz776E.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsz776E.tmp
        • Size 731B
        • SHA256 d1f094cbba4ee5fee32109290167897295c85d758624667e6412f991e58e3fce
        • MD5 SHA1 SHA512

        ExtractDLLEx.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso4315.tmp\ExtractDLLEx.dll
        • Size 7KB
        • SHA256 73acba7dd477dfd6cf4249911f4e3c781196c7cf6b28425761dcb2d4f90c36c5
        • MD5 SHA1 SHA512 SSDEEP

        InetLoad.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso4315.tmp\InetLoad.dll
        • Size 18KB
        • SHA256 bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c
        • MD5 SHA1 SHA512 SSDEEP

        NSISdl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso4315.tmp\NSISdl.dll
        • Size 14KB
        • SHA256 dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9
        • MD5 SHA1 SHA512 SSDEEP

        Processes.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso4315.tmp\Processes.dll
        • Size 56KB
        • SHA256 3b5388e13dab53d53e08791f492ed7d3094a0cee51e9841af83ce02534e0621c
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso4315.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        Time.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso4315.tmp\Time.dll
        • Size 10KB
        • SHA256 b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso4315.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        chrmPref.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso4315.tmp\chrmPref.dll
        • Size 194KB
        • SHA256 c9ccc486c3353bad0d2819a42203c0db7ba98b4826b6a2b8d4deee832e4d3d8e
        • MD5 SHA1 SHA512 SSDEEP

        mt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso4315.tmp\mt.dll
        • Size 5KB
        • SHA256 6dc2644a389feeef9e0ac65e2c8b01fc18ca6e53b253f10efffcb117e0a852dd
        • MD5 SHA1 SHA512 SSDEEP

        nsisos.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nso4315.tmp\nsisos.dll
        • Size 5KB
        • SHA256 ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
        • MD5 SHA1 SHA512 SSDEEP

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\afevplna.Admin\user.js
        • Size 482B
        • SHA256 d9d11c65b7100b9729aad6594266606f2f490f898d2cc677db316e2e6095da93
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\afevplna.Admin\user.js
        • Size 713B
        • SHA256 9432c8ae877dfc7e2410647a092d1a7f918e40d0cb2d42601bbb53e1d43e76aa
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\afevplna.default-release\user.js
        • Size 287B
        • SHA256 e67314df36d4ac50dd201700de0558104a61c3f0767d512843559a099d17fdc3
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\afevplna.default-release\user.js
        • Size 520B
        • SHA256 5dc7044d45563ee112f4eec98c9089bb8cd9ff9a07635d98f51a7fcea70fb671
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\afevplna.default-release\user.js
        • Size 626B
        • SHA256 38ad193dbe5423a383cdb90d137dbe7e4fc088114351e612569b6ea5c53982c3
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\afevplna.default-release\user.js
        • Size 830B
        • SHA256 c24ad95fd768351d10acdffddccc942cfb088b535a479ed08ed72be044c32d27
        • MD5 SHA1 SHA512

        memory/2316-84-0x0000000002980000-0x0000000002992000-memory.dmp

        memory/2316-1600-0x0000000003A30000-0x0000000003A42000-memory.dmp