Analysis

  • max time kernel
    95s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-01-2025 00:15

General

  • Target

    JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe

  • Size

    251KB

  • MD5

    b83f957e4482f9a995751e4437f1f659

  • SHA1

    ac3876c2f7e64940816b40082fcee22059e8c1b5

  • SHA256

    215e72efd559092750b8b0657b59033075e4e53db34938f9fb088fedc786b280

  • SHA512

    964e100c95c893441bdc35a01e2d26ce4d690679df0078b458a74277ca649d86092ac348328c75b82ad9f4710a043d9ad26d5dee2df583f1a6a74f6000db7dac

  • SSDEEP

    768:O06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:cR0vxn3Pc0LCH9MtbvabUDzJYWu3B

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • 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.

  • Modifies Internet Explorer settings 1 TTPs 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3972
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:2196
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 204
            4⤵
            • Program crash
            PID:3144
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3336
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3336 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3240
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2856
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2856 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2196 -ip 2196
      1⤵
        PID:2480

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Microsoft\WaterMark.exe

        Filesize

        251KB

        MD5

        b83f957e4482f9a995751e4437f1f659

        SHA1

        ac3876c2f7e64940816b40082fcee22059e8c1b5

        SHA256

        215e72efd559092750b8b0657b59033075e4e53db34938f9fb088fedc786b280

        SHA512

        964e100c95c893441bdc35a01e2d26ce4d690679df0078b458a74277ca649d86092ac348328c75b82ad9f4710a043d9ad26d5dee2df583f1a6a74f6000db7dac

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        471B

        MD5

        4363732b094e06ea613be8ca268f5460

        SHA1

        ad4d6ca8f2362a24800a1f752f99d7c55c0ce862

        SHA256

        0bc53d2e4ba5d43da581d2eda05c56f2c3a93407b3d35c8d630507c0fb81a21d

        SHA512

        b5c075fbcbead37980c28e3e8745339445d1e5bc4c873ca70995012c72f09dd1f4cd315faf02589be84fd6b7683673836df8d228cd94e6e6c3e3659081af4c99

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

        Filesize

        404B

        MD5

        d3826c5042dfc0c1c2b0d1ccaadab2ff

        SHA1

        b1a3321f3a698a474b8b7a4ff4eb27441bf39ffd

        SHA256

        6c4977739577049b598fb6f9fb30a9744d280d48a835ab9c5dcdb49a6af729e5

        SHA512

        c02a52bbf543ec5c6901a6bd39166f3bad814ecfbdade2032d016e648ee0c806c20998e89dccb2a83277440ed65e4a877774135f2ca6552f108b332167f5ed6e

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{76601380-D5FA-11EF-B319-EE81E66BE9E9}.dat

        Filesize

        5KB

        MD5

        d7d080898763af40aa980df55f126e5e

        SHA1

        01e5c8c285be59ad0f17be6736091785d55f8fa9

        SHA256

        cdde44faaeee4dc2ad7dd0e9c47b208f0b735f5c368a30dd8eadf8e1e74425d7

        SHA512

        ac399241c098ea158fc74fc54a0e66d9ebf37a7a307bf63fea352112b2c2f50e2e58feee6fe438b1380066e6235c89fe77cfe093ebd2121229e0d50ca1701e42

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{766275EF-D5FA-11EF-B319-EE81E66BE9E9}.dat

        Filesize

        3KB

        MD5

        f7540599ae80044f5e29d6163f336db6

        SHA1

        4c2db28dc7c0112716c62dac84be56a4b97e13e4

        SHA256

        8c65152b4fd28649a0412e1f733ea014e313cb3ead52e4ae46892691c37ebb79

        SHA512

        f74e297138968a4b13575d04f4812a605f5676787e2a84d104414b71cce79a2ce641c5be6e30029c8bcd2cc41f4cf302b2ba2165727d621c389d3e40fbce1b73

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/2196-31-0x0000000000F40000-0x0000000000F41000-memory.dmp

        Filesize

        4KB

      • memory/2196-32-0x0000000000F20000-0x0000000000F21000-memory.dmp

        Filesize

        4KB

      • memory/3972-29-0x0000000077192000-0x0000000077193000-memory.dmp

        Filesize

        4KB

      • memory/3972-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3972-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3972-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3972-34-0x0000000077192000-0x0000000077193000-memory.dmp

        Filesize

        4KB

      • memory/3972-18-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/3972-33-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3972-27-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/4244-7-0x00000000014F0000-0x00000000014F1000-memory.dmp

        Filesize

        4KB

      • memory/4244-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-6-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/4244-0-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/4244-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4244-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB