Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 13:09

General

  • Target

    JaffaCakes118_77387e7832fe4bc28e31054dd50e5c17.exe

  • Size

    95KB

  • MD5

    77387e7832fe4bc28e31054dd50e5c17

  • SHA1

    a14cf2a80693300a487b1825d5399f0de9db6fe8

  • SHA256

    128793ffd500396c7dc2c5e307519148c553b06525580cfc4386228e69a23f4e

  • SHA512

    517967ff0596dcc9145369468302dee23d77e57db30bdc54e754bf855a1273ad4974d94f4801bed5b0abc969c0c38bc1a35867deae45c530fc4eddd930494a5f

  • SSDEEP

    768:U06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:KR0vxn3Pc0LCH9MtbvabUDzJYWu3B

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 14 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_77387e7832fe4bc28e31054dd50e5c17.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77387e7832fe4bc28e31054dd50e5c17.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:968
    • 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:2604
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:2360
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 204
            4⤵
            • Program crash
            PID:2916
        • 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:4764
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4764 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2136
        • 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:1984
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1984 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2360 -ip 2360
      1⤵
        PID:2440

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        95KB

        MD5

        77387e7832fe4bc28e31054dd50e5c17

        SHA1

        a14cf2a80693300a487b1825d5399f0de9db6fe8

        SHA256

        128793ffd500396c7dc2c5e307519148c553b06525580cfc4386228e69a23f4e

        SHA512

        517967ff0596dcc9145369468302dee23d77e57db30bdc54e754bf855a1273ad4974d94f4801bed5b0abc969c0c38bc1a35867deae45c530fc4eddd930494a5f

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

        Filesize

        471B

        MD5

        eec6845b257a7c8f95b25485b3666ae4

        SHA1

        79e6f675b80bc885bda844e766088a62d84ded75

        SHA256

        70a3cfb8ce21db27ecfb8143c459eda8218c5f7a0db0945c3117cbf5c180eb6d

        SHA512

        b6ceaabb99fb2011f9dd6ae4b59e3435c397204fcd4b3168e65d6616a85d49d13f80cd11a191e223609538d4f144103757f730c61acd21f4053bb5ecb6fb4f1f

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

        Filesize

        404B

        MD5

        5356cee8563b7314539dcd7ee87a85d9

        SHA1

        ea17035696107667872f6046105c9d239d42ec5e

        SHA256

        20cde82bc2027ea872ef76a82d9cdfad2f0052b6848468bc5a1ace57c1fb8669

        SHA512

        d35efb13569bbf5b28ff8e055303651a4fc16dd55ba0c24ff7e8167163f8925f9f9b7fb954bc691761525b12602ec2c20baaa9bbdc4ca6279b54b616aaa1f2e5

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

        Filesize

        404B

        MD5

        d208a05cce99a4c175a421daf789f711

        SHA1

        060a8fca4c2dd5698c7115eb02ac9f65d240ca45

        SHA256

        f7496b2054a6c097e940ebd382b280e76ee36e5c19e66524eac8462741290bb0

        SHA512

        ab836bb5e6c07d622e27a23ba3a6282547bee0700115d579978c861516a14cf2741fcae37d7296bfe88ad917cd903e1b864c447e6aade9e6c4cb02196f4b7b81

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{13573004-D40B-11EF-91C3-DA61A5E71E4E}.dat

        Filesize

        3KB

        MD5

        c554ec5bfeed3030a675437cb2f010ce

        SHA1

        4c3ffff5e56349653b2cbb69557b81a6aca8c0f0

        SHA256

        a0a2d990fbf70e0012453aa1a3926c6f44a8e5fce82c927a677483376716896c

        SHA512

        fefbaabae18d65636f836ed10ca79bfac54ff9d651ee9f273de71bede25cfa268a7c7ec418b92ebe230a4be4c18ff8ad5b628e3720bd9a266c5f05b3af9dd47f

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{135BF541-D40B-11EF-91C3-DA61A5E71E4E}.dat

        Filesize

        5KB

        MD5

        0729a9608cc1f36bc2d1450415da2073

        SHA1

        6ee4707f37a54346fcced4b1d40f2f06efe43706

        SHA256

        d614ae7caf8657e3bfdc21684bd4cbd5aa1abb2554b60232df2f81e50a6187cc

        SHA512

        997ca73c443acffddf79ab3a44f0425b9649ca5882ba23f153349ec2881002649acd121e40cee17f52ecd4b676ffb5a008a81f7adca6c336c69ff2ca3cf59394

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/968-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/968-0-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB

      • memory/968-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/968-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/968-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/968-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/968-6-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB

      • memory/968-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/968-7-0x00000000001B0000-0x00000000001B1000-memory.dmp

        Filesize

        4KB

      • memory/968-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/968-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/968-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/968-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2360-30-0x0000000000C50000-0x0000000000C51000-memory.dmp

        Filesize

        4KB

      • memory/2360-31-0x0000000000C30000-0x0000000000C31000-memory.dmp

        Filesize

        4KB

      • memory/2604-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2604-33-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2604-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2604-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2604-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2604-35-0x0000000077392000-0x0000000077393000-memory.dmp

        Filesize

        4KB

      • memory/2604-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/2604-28-0x0000000077392000-0x0000000077393000-memory.dmp

        Filesize

        4KB

      • memory/2604-27-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB