Analysis

  • max time kernel
    94s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 18:58

General

  • Target

    JaffaCakes118_f56f756a338e466f4beab48f3e1ec24d.exe

  • Size

    95KB

  • MD5

    f56f756a338e466f4beab48f3e1ec24d

  • SHA1

    51345b181c907d4014bb966ae3c947dd762807c3

  • SHA256

    27267e680d8fc52082d6f9c9fc7a12d8d2a1466052562c969b666c82dd61252e

  • SHA512

    99d5f7dd7ebf65fc0f755bc1732e5e09f4e403e1a7d7f498bed195d9b803ad5efe9290d3146bfa58fdcfad407cdfba679ffc23986bb1d63ede2557de4c275e3e

  • SSDEEP

    768:I06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:GR0vxn3Pc0LCH9MtbvabUDzJYWu3B

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 13 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_f56f756a338e466f4beab48f3e1ec24d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f56f756a338e466f4beab48f3e1ec24d.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4040
    • 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:2392
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:880
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 880 -s 204
            4⤵
            • Program crash
            PID:3188
        • 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:908
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:908 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4144
        • 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:1940
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1940 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 880 -ip 880
      1⤵
        PID:756

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        95KB

        MD5

        f56f756a338e466f4beab48f3e1ec24d

        SHA1

        51345b181c907d4014bb966ae3c947dd762807c3

        SHA256

        27267e680d8fc52082d6f9c9fc7a12d8d2a1466052562c969b666c82dd61252e

        SHA512

        99d5f7dd7ebf65fc0f755bc1732e5e09f4e403e1a7d7f498bed195d9b803ad5efe9290d3146bfa58fdcfad407cdfba679ffc23986bb1d63ede2557de4c275e3e

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

        Filesize

        471B

        MD5

        0ada2095c461df5a751955aa41dd491e

        SHA1

        8366c54b31e1ddc8016aa22aab8c83f73c690810

        SHA256

        80cd542688ed3a45669b53243c3f4922d6eb21a34d8dfeebc6c101484d3bac09

        SHA512

        135991affe343d4358bb15a693effa7a6813d6715e555729d2aa04a98555e13fded55d3100a41a92a5beb57c68fbdacb199a3e66407944e37880b28d42d79e7c

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

        Filesize

        404B

        MD5

        02e6d5bbeeb33b8b1e709d340af75ab1

        SHA1

        78ac2f7597e5905d1a2944f15d1548789904dbff

        SHA256

        ced7c9fc73821a7e3a34c0ca3350e3ebad534931b80a113abcb4522e74ffa6a8

        SHA512

        693e2587da1d497ed43d4bc90cac05660140c783a45cc1fadab1b2011dd3fb1652cebc2733e9507a20533cbe12a70deb448c276003cb423534e0825b67a140ba

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{80486636-D785-11EF-BEF1-DA67B56E6C1B}.dat

        Filesize

        3KB

        MD5

        b924354ae73268f7cd6ca3c5a469a638

        SHA1

        0cfec94d28c495bc9adc6a04ae8026a6ac842a47

        SHA256

        6b95715861db22d51d832f144e4f71bc8c1019aaf60bf9b77a1062e8e4137e09

        SHA512

        9496e2bd0b5abc461243553361f7a12ef4ca14c6ccc88afc6b0d9fca42f712fe6cd133c75dbd10e6482239bbf9cb541aefb00813e213141f653ca9715d48173b

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{804AC9BF-D785-11EF-BEF1-DA67B56E6C1B}.dat

        Filesize

        5KB

        MD5

        ce74ab3859783465dbde5073ad8b7a5f

        SHA1

        5d8fe7f4de7e8c1dbfdfb8060c00e54e0dcb482e

        SHA256

        7670991d89b61bc5f77148eb18690af764c5f8cee35b14913376d9e94ebff090

        SHA512

        4024a35207b890f5b06b6bd7904a8f53d4b9d3ae5df485a69f988b834b1a7aee879553ef9a712fe0faa599be82b2bc1c4b28f1e6a217501555ba1b054956422c

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/880-29-0x0000000000730000-0x0000000000731000-memory.dmp

        Filesize

        4KB

      • memory/880-28-0x0000000000750000-0x0000000000751000-memory.dmp

        Filesize

        4KB

      • memory/2392-30-0x00000000774D2000-0x00000000774D3000-memory.dmp

        Filesize

        4KB

      • memory/2392-33-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2392-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2392-36-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2392-23-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2392-25-0x00000000001D0000-0x00000000001D1000-memory.dmp

        Filesize

        4KB

      • memory/2392-26-0x00000000774D2000-0x00000000774D3000-memory.dmp

        Filesize

        4KB

      • memory/2392-24-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2392-32-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2392-31-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4040-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4040-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4040-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4040-0-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/4040-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4040-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4040-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4040-4-0x00000000008C0000-0x00000000008C1000-memory.dmp

        Filesize

        4KB

      • memory/4040-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4040-2-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/4040-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB