Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2024, 03:29

General

  • Target
    $LOCALAPPDATA/funmoods.exe
  • Size 1.6MB
  • Sample240214-d1445aha67
  • 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:2972
    • 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:964
      • 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:4128
    • 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:912

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

        nsi73F1.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsi73F1.tmp
        • Size 769B
        • SHA256 5296a0fcb24a4ed22ff1b72f4692f3f2eea3a38c867de9f29bfb8c55ed2d240a
        • MD5 SHA1 SHA512

        nsi7440.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsi7440.tmp
        • Size 824B
        • SHA256 549e33092bd635e8eb6903b0c701382becd60f40a471a746ebc6b9e96bfa90ce
        • MD5 SHA1 SHA512

        nsi7490.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsi7490.tmp
        • Size 928B
        • SHA256 e6763351dbb7dcb932a363bf3431a2c80cf02813f75f1b1d5fc4c6ef779ff5dd
        • MD5 SHA1 SHA512

        nsj775C.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsj775C.tmp
        • Size 625B
        • SHA256 d113e02ca5fd15d1a56f9f799fecb8edb6d5edef02b0a0987fe1b5e3ffd95e90
        • MD5 SHA1 SHA512

        nsj784A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsj784A.tmp
        • Size 829B
        • SHA256 8269445ed5f97b710156a5f0a35c9b0cea7593b1cb666634a87d45c0237c6af6
        • MD5 SHA1 SHA512

        nsn7460.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsn7460.tmp
        • Size 875B
        • SHA256 b3829dcaaef829d52c7513ec6aa970715dada10ad0adf48c5c95b1229dd02bc4
        • MD5 SHA1 SHA512

        nso76DA.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nso76DA.tmp
        • Size 342B
        • SHA256 3cce07f1171e1b0ba80de3273809e5bdba97b6a03fb5b38460fd2c09e185e399
        • MD5 SHA1 SHA512

        nss74CF.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nss74CF.tmp
        • Size 980B
        • SHA256 c7d4aa6f63c8ee60aca13da5fa499350c17fe19a36e3d3a0fa2e8c4019c7cb36
        • MD5 SHA1 SHA512

        nst76AA.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nst76AA.tmp
        • Size 287B
        • SHA256 a71ab4a3a97bb0b7acfd217078f677aee90c33123bec2c0af76fa426b5c53185
        • MD5 SHA1 SHA512

        nst76FA.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nst76FA.tmp
        • Size 398B
        • SHA256 51c20ba768ab5b5038d6fbbfd9972d88bbddd0c960b8f6f335522bf8491c3a0b
        • MD5 SHA1 SHA512

        nsx735F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsx735F.tmp
        • Size 482B
        • SHA256 a7e1ea3b22c45bae64998a72a7a173bd4d8914a5e8b8a08a07caf63a811f6344
        • MD5 SHA1 SHA512

        nsy767A.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsy767A.tmp
        • Size 232B
        • SHA256 4d64675b449c99b27d40231515a2b5773ca5534a115547d67b65c3304d5cb98a
        • MD5 SHA1 SHA512

        nsz771B.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsz771B.tmp
        • Size 462B
        • SHA256 afb07a20b7928e423ae7fcb8dc5f8376a510a78a3bf699012556a1db27cf67d5
        • MD5 SHA1 SHA512

        nsz77BC.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsz77BC.tmp
        • Size 730B
        • SHA256 69e38c704efdbc15e898e59c3e3240f0ac54f06def58baf675f0dd71a39650b2
        • MD5 SHA1 SHA512

        ExtractDLLEx.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu6B2E.tmp\ExtractDLLEx.dll
        • Size 7KB
        • SHA256 73acba7dd477dfd6cf4249911f4e3c781196c7cf6b28425761dcb2d4f90c36c5
        • MD5 SHA1 SHA512 SSDEEP

        InetLoad.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu6B2E.tmp\InetLoad.dll
        • Size 18KB
        • SHA256 bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c
        • MD5 SHA1 SHA512 SSDEEP

        NSISdl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu6B2E.tmp\NSISdl.dll
        • Size 14KB
        • SHA256 dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9
        • MD5 SHA1 SHA512 SSDEEP

        Processes.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu6B2E.tmp\Processes.dll
        • Size 56KB
        • SHA256 3b5388e13dab53d53e08791f492ed7d3094a0cee51e9841af83ce02534e0621c
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu6B2E.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        Time.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu6B2E.tmp\Time.dll
        • Size 10KB
        • SHA256 b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu6B2E.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        chrmPref.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu6B2E.tmp\chrmPref.dll
        • Size 194KB
        • SHA256 c9ccc486c3353bad0d2819a42203c0db7ba98b4826b6a2b8d4deee832e4d3d8e
        • MD5 SHA1 SHA512 SSDEEP

        mt.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu6B2E.tmp\mt.dll
        • Size 5KB
        • SHA256 6dc2644a389feeef9e0ac65e2c8b01fc18ca6e53b253f10efffcb117e0a852dd
        • MD5 SHA1 SHA512 SSDEEP

        nsisos.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu6B2E.tmp\nsisos.dll
        • Size 5KB
        • SHA256 ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
        • MD5 SHA1 SHA512 SSDEEP

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\i99dxqdw.Admin\user.js
        • Size 1KB
        • SHA256 623e3653977ece40c526353e16e04f2920dc71d0d8fdcb07155292ee0c7a77b5
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\i99dxqdw.Admin\user.js
        • Size 1KB
        • SHA256 cc869eae9ac1343eb0f7c8cbc4548fb0032cdb5c1fc6eade183e498fdffcc88d
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\i99dxqdw.Admin\user.js
        • Size 301B
        • SHA256 0eebe6ecb1c7f74a5175dd6aef7ea4a605741a54104f26b08f29ed0b763ae7db
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\i99dxqdw.Admin\user.js
        • Size 537B
        • SHA256 90ea67ad17523a89498db810d313bec48c87be9702fbb8e68b66f878c0042d80
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\i99dxqdw.Admin\user.js
        • Size 712B
        • SHA256 1cb38bd11b363f100938456fb18713c6e9c517e87184d1dd533d0bf308b5dab9
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mlil8stk.default-release\user.js
        • Size 574B
        • SHA256 00fb36037a0c2eff53bb6eaf3a309e9885fce227eaab97242b4ac4abd12e2391
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mlil8stk.default-release\user.js
        • Size 678B
        • SHA256 95bb750e9cc55809f9b4d451cbf39df28ecc0a28da5d77829fe62cb621a638bf
        • MD5 SHA1 SHA512

        memory/2972-1600-0x0000000003A10000-0x0000000003A22000-memory.dmp

        memory/2972-84-0x00000000021E0000-0x00000000021F2000-memory.dmp