Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19/01/2025, 10:20

General

  • Target
    JaffaCakes118_c4f983275272e0cecc021e325e5b5b14.exe
  • Size 1.8MB
  • Sample250119-mc71jsvjcj
  • SHA256 186ccbcd89722124a88c699e7bcb680e680887ffc309f4dfaa3e230003510fd1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 4 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.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 5 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 22 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4f983275272e0cecc021e325e5b5b14.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4f983275272e0cecc021e325e5b5b14.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\funmoods.exe
      "C:\Users\Admin\AppData\Local\funmoods.exe" /S /aflt=down /mhp /mds /mnt /stagedXpi
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1868
      • 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" /S /aflt=down /mhp /mds /mnt /stagedXpi
        3⤵
        • Executes dropped EXE
        • 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:3724
        • 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
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          PID:2752
      • 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 /S /aflt=down /mhp /mds /mnt /stagedXpi
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3708

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

        Preferences

        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
        • Size 7KB
        • SHA256 e8e13690e71c69edfd5de06b2aefbee2799bbfc88ca93b77d9bf7477f7ac6695
        • MD5 SHA1 SHA512 SSDEEP

        funmoods.xml

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\funmoods.xml
        • Size 544B
        • SHA256 8f2ac3e5f4345b19010d7dc0a7ed835727f5e7780f4c00517aadb18724dcaf29
        • MD5 SHA1 SHA512

        nsyF9AE.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\FNMD\FM\1.5.11.16\nsyF9AE.tmp
        • Size 861B
        • SHA256 c227dae398eefab49768f8e44b9872fce6f1e94653951643ebbc725042765c1a
        • MD5 SHA1 SHA512

        md5dll.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsdA870.tmp\md5dll.dll
        • Size 6KB
        • SHA256 fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70
        • MD5 SHA1 SHA512 SSDEEP

        ExtractDLLEx.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsyF519.tmp\ExtractDLLEx.dll
        • Size 7KB
        • SHA256 73acba7dd477dfd6cf4249911f4e3c781196c7cf6b28425761dcb2d4f90c36c5
        • MD5 SHA1 SHA512 SSDEEP

        IEFunctions.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsyF519.tmp\IEFunctions.dll
        • Size 7KB
        • SHA256 465e81022be2df0433a6e02d427a79dc733031abc89d99746b73576a976857e3
        • MD5 SHA1 SHA512 SSDEEP

        InetLoad.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsyF519.tmp\InetLoad.dll
        • Size 18KB
        • SHA256 bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c
        • MD5 SHA1 SHA512 SSDEEP

        NSISdl.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsyF519.tmp\NSISdl.dll
        • Size 14KB
        • SHA256 dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9
        • MD5 SHA1 SHA512 SSDEEP

        Processes.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsyF519.tmp\Processes.dll
        • Size 56KB
        • SHA256 3b5388e13dab53d53e08791f492ed7d3094a0cee51e9841af83ce02534e0621c
        • MD5 SHA1 SHA512 SSDEEP

        chrmPref.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsyF519.tmp\chrmPref.dll
        • Size 194KB
        • SHA256 c9ccc486c3353bad0d2819a42203c0db7ba98b4826b6a2b8d4deee832e4d3d8e
        • MD5 SHA1 SHA512 SSDEEP

        lateral1.bmp

        • Path C:\Users\Admin\AppData\Local\lateral1.bmp
        • Size 189KB
        • SHA256 e9be711645adceef7a7f55ad9b573cf67910c885ebf63024928656823079512b
        • MD5 SHA1 SHA512 SSDEEP

        nsoF61F.tmp

        • Path C:\Users\Admin\AppData\Local\nsoF61F.tmp
        • Size 134B
        • SHA256 2bce865f219fe68157cf29b115642d1c68a0cf062c14e3853321e4d7b4fc4edb
        • MD5 SHA1 SHA512

        nsoF621.tmp

        • Path C:\Users\Admin\AppData\Local\nsoF621.tmp
        • Size 6KB
        • SHA256 ede4419d056ec4b086d634dbc5ab53b53c99d50c56633efe3ac9f4ccb10304eb
        • MD5 SHA1 SHA512 SSDEEP

        nstF599.tmp

        • Path C:\Users\Admin\AppData\Local\nstF599.tmp
        • Size 384B
        • SHA256 afa2580870da87ca052d778bb13ea37bea1cf83aae932dcc575d700e1c9e831b
        • MD5 SHA1 SHA512

        prefs.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xmhyv50e.Admin\prefs.js
        • Size 194B
        • SHA256 ab43d2d5af74bd3cdd4e01d93ff5fe5ae7915324ba92ffd32cc9beda14f5dc04
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xmhyv50e.Admin\user.js
        • Size 971B
        • SHA256 8ff5494c4eec67f22fd8071bf2d270492926b4fed284d4f413328c186c878fc0
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xmhyv50e.Admin\user.js
        • Size 1KB
        • SHA256 8013f85e040f98af849679e51c16e146766b4af0db7b273bc8bfc603ef8aeb85
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xmhyv50e.Admin\user.js
        • Size 1KB
        • SHA256 95e60168e98f3f9fd31f9fb280c6272689b69d22f4fcab9d11c2159c058e5add
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xmhyv50e.Admin\user.js
        • Size 1KB
        • SHA256 81c69369b5873f0ae69763e5b76f052dc6f9b2615ca683ad039f4fd7bb3dd35e
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xmhyv50e.Admin\user.js
        • Size 681B
        • SHA256 d34969a861d89c54d6a1f430cac910c32203c47def8ceb55c28065f508c3d7d9
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xmhyv50e.default-release\user.js
        • Size 431B
        • SHA256 5f146e2c54d427aa61748053272d044592ba5128d6e4d9790fd36c2d74da76d5
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xmhyv50e.default-release\user.js
        • Size 666B
        • SHA256 fa25397cb4f57cce3378a319d309f02e07ef7a18048a3501e6c6cb146418e08f
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xmhyv50e.default-release\user.js
        • Size 842B
        • SHA256 ad833fe12b9a1abeaea73fa71a4772033968b26d6b56d7242c8930c8e0f7d26c
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xmhyv50e.default-release\user.js
        • Size 954B
        • SHA256 b8789661f49d311aa30cb83449f666d0abe4d2424af6b712aa85c1ddec6d4d27
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xmhyv50e.default-release\user.js
        • Size 1KB
        • SHA256 3fb6e03e31935d71fbd2ebd4ac90c7de4fe6969ccd401c214668267e9728e9c2
        • MD5 SHA1 SHA512

        user.js

        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\xmhyv50e.default-release\user.js
        • Size 243B
        • SHA256 704628eb647ff0f3e61d951bd0cb3f97f7e58a8284c4e50c71f4369aa111873a
        • MD5 SHA1 SHA512

        LangDLL.dll

        • Path \Users\Admin\AppData\Local\Temp\nsdA870.tmp\LangDLL.dll
        • Size 5KB
        • SHA256 60a964095af1be79f6a99b22212fefe2d16f5a0afd7e707d14394e4143e3f4f5
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nsdA870.tmp\System.dll
        • Size 11KB
        • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
        • MD5 SHA1 SHA512 SSDEEP

        inetc.dll

        • Path \Users\Admin\AppData\Local\Temp\nsdA870.tmp\inetc.dll
        • Size 24KB
        • SHA256 983859570099b941c19d5eb9755eda19dd21f63e8ccad70f6e93f055c329d341
        • MD5 SHA1 SHA512 SSDEEP

        nsDialogs.dll

        • Path \Users\Admin\AppData\Local\Temp\nsdA870.tmp\nsDialogs.dll
        • Size 9KB
        • SHA256 e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a
        • MD5 SHA1 SHA512 SSDEEP

        nsRandom.dll

        • Path \Users\Admin\AppData\Local\Temp\nsdA870.tmp\nsRandom.dll
        • Size 21KB
        • SHA256 db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73
        • MD5 SHA1 SHA512 SSDEEP

        Time.dll

        • Path \Users\Admin\AppData\Local\Temp\nsyF519.tmp\Time.dll
        • Size 10KB
        • SHA256 b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35
        • MD5 SHA1 SHA512 SSDEEP

        UserInfo.dll

        • Path \Users\Admin\AppData\Local\Temp\nsyF519.tmp\UserInfo.dll
        • Size 4KB
        • SHA256 564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5
        • MD5 SHA1 SHA512

        mt.dll

        • Path \Users\Admin\AppData\Local\Temp\nsyF519.tmp\mt.dll
        • Size 5KB
        • SHA256 6dc2644a389feeef9e0ac65e2c8b01fc18ca6e53b253f10efffcb117e0a852dd
        • MD5 SHA1 SHA512 SSDEEP

        nsisos.dll

        • Path \Users\Admin\AppData\Local\Temp\nsyF519.tmp\nsisos.dll
        • Size 5KB
        • SHA256 ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6
        • MD5 SHA1 SHA512 SSDEEP

        funmoods.exe

        • Path \Users\Admin\AppData\Local\funmoods.exe
        • Size 1.6MB
        • SHA256 73db5f6b89963d6692e3c43c8f3e5265ec4512ce87fe652e9ec3a4a0bb036db8
        • MD5 SHA1 SHA512 SSDEEP

        memory/1868-3364-0x0000000003D10000-0x0000000003D22000-memory.dmp

        memory/1868-1343-0x0000000000520000-0x0000000000532000-memory.dmp

        memory/2036-1355-0x00000000029A0000-0x00000000029A9000-memory.dmp

        memory/2036-20-0x0000000000720000-0x0000000000732000-memory.dmp

        memory/2036-42-0x0000000000720000-0x0000000000732000-memory.dmp