Analysis

  • max time kernel
    148s
  • 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
    01-01-2025 04:56

General

  • Target

    JaffaCakes118_47f2734e9f3e75c039c7729efdc89387.exe

  • Size

    149KB

  • MD5

    47f2734e9f3e75c039c7729efdc89387

  • SHA1

    7e8218b099578bd74a550a3bcec0bd4a022295a3

  • SHA256

    19ae01042f609c745a0524c789f3a07e452a79061267786539ef6ec575d234f4

  • SHA512

    88165b073d01bdf49de6b14778a31281f3f0d900233599fab09df601b48c408260802aebabf2ff61007ac45f1e8155eb5e8a16038747b9c2e0cb799a711720f0

  • SSDEEP

    3072:SR2xn3k0CdM1vabyzJYWqdaxfa04a3c3KQ3n/:SR2J0LS6VdaT3c5n/

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 12 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 50 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_47f2734e9f3e75c039c7729efdc89387.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_47f2734e9f3e75c039c7729efdc89387.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4120
    • 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:4524
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:3256
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 204
            4⤵
            • Program crash
            PID:1656
        • 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:440
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:440 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4292
        • 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:3744
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3744 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3256 -ip 3256
      1⤵
        PID:4192

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        149KB

        MD5

        47f2734e9f3e75c039c7729efdc89387

        SHA1

        7e8218b099578bd74a550a3bcec0bd4a022295a3

        SHA256

        19ae01042f609c745a0524c789f3a07e452a79061267786539ef6ec575d234f4

        SHA512

        88165b073d01bdf49de6b14778a31281f3f0d900233599fab09df601b48c408260802aebabf2ff61007ac45f1e8155eb5e8a16038747b9c2e0cb799a711720f0

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

        Filesize

        471B

        MD5

        febff5e5b64433316ee5f116c5c14309

        SHA1

        55a533777edeed0d18304f073d59d5ca1e5c7737

        SHA256

        888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4

        SHA512

        cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8

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

        Filesize

        404B

        MD5

        66d209b0a64e4410bda40ffc035f972a

        SHA1

        be3652488840f663c12f2ed3d513860794e51bbe

        SHA256

        82e7950a40171d96594d357c1a897aaac498dba9b56768f8b59fb843d20515ee

        SHA512

        870c8ca41b05478cf25b3c6dcc76c7fca3150eb6b30cc770c3d53974b2eea98d21274a9b91c6cb2f50a781688deb1d94b64ab81c02a8df81d2006b5d21cf3ef4

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

        Filesize

        404B

        MD5

        f039fd9538df0c479091dc2cecd0f94e

        SHA1

        ad76071ee6897ba248db9b4057478750c10d708a

        SHA256

        68a09b579800cb1d49d197cbbc54f9b467cd07d67482636d93aa6e89927a9fbf

        SHA512

        0bea51970a5658116ab8734b6ef42a4ad189a0e4be1792178de5fc03d633ba6fd4ab2696d076fb0a1d81b7d8d078d557f18dadd2493cf2b84918e710b6511e93

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{C18D8B55-C7FC-11EF-ADF2-DA61A5E71E4E}.dat

        Filesize

        3KB

        MD5

        bf26a5e57033ba3233fd9f5e3903c573

        SHA1

        25ace5bef1800dffbca7154cd4c12abc3a511700

        SHA256

        4c5d9daf11ca0887e6e0d3dfc8686fb83c0d4b70b22a41af6afc79d05bedb838

        SHA512

        ed563c2ae321161c78fa3f73d36af2578a45eb736f212427650d54c9008c98ab329c827547556491dd723fd6fcb89739099503d1bb39194e3e1d070b4c0bfce7

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{C1924F18-C7FC-11EF-ADF2-DA61A5E71E4E}.dat

        Filesize

        5KB

        MD5

        3f4ca1e4d91c9c1b69b242587b8f6a0f

        SHA1

        981fe13fabc7cea0742eaa7962724f6fe34f4173

        SHA256

        864ea60e62c15a59d11b11392c6adaa14fc80cfebd5590d1947e1cd13935b890

        SHA512

        1e0424c72e569d7ff5acfb6d76991ebef92fe5788f75cf21c9c4f1cdb828d7ff9da96846fe24a98edcbaf4a888f9a371ddf881bdc72e33fb1bdc2c832125faed

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver33BD.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/3256-31-0x0000000000930000-0x0000000000931000-memory.dmp

        Filesize

        4KB

      • memory/3256-30-0x0000000000950000-0x0000000000951000-memory.dmp

        Filesize

        4KB

      • memory/4120-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4120-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4120-2-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/4120-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4120-0-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/4120-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4120-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4120-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4120-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4120-8-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4120-3-0x0000000000400000-0x0000000000431000-memory.dmp

        Filesize

        196KB

      • memory/4120-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/4524-25-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4524-33-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4524-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4524-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4524-34-0x0000000077582000-0x0000000077583000-memory.dmp

        Filesize

        4KB

      • memory/4524-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4524-28-0x0000000077582000-0x0000000077583000-memory.dmp

        Filesize

        4KB

      • memory/4524-27-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/4524-24-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB