Analysis

  • max time kernel
    95s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-01-2025 22:09

General

  • Target

    JaffaCakes118_b5d1c4e030ee689e81f4225f8f2b5ac6.exe

  • Size

    95KB

  • MD5

    b5d1c4e030ee689e81f4225f8f2b5ac6

  • SHA1

    e862228f7155d1c8b37a1282fd6c0be2ce97bf4e

  • SHA256

    20703da673909be1e6b9c35d3371c521ab9b93b696803d49b415bc1af737cbd3

  • SHA512

    59caa2e111d48383588d86b6ed05e3426eff7594eb700948d1305dcd2db6c3836e261e65d72964b56456994f7528b9fa95ffe2eb64b6462023569f9a280f8061

  • SSDEEP

    768:d06R0UZOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9I/:7R0An3Pc0LCH9MtbvabUDzJYWu3B

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_b5d1c4e030ee689e81f4225f8f2b5ac6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b5d1c4e030ee689e81f4225f8f2b5ac6.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1004
    • 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:4572
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:1368
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 204
            4⤵
            • Program crash
            PID:3452
        • 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:3048
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3048 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:224
        • 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:3056
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3056 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1368 -ip 1368
      1⤵
        PID:5040

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        95KB

        MD5

        b5d1c4e030ee689e81f4225f8f2b5ac6

        SHA1

        e862228f7155d1c8b37a1282fd6c0be2ce97bf4e

        SHA256

        20703da673909be1e6b9c35d3371c521ab9b93b696803d49b415bc1af737cbd3

        SHA512

        59caa2e111d48383588d86b6ed05e3426eff7594eb700948d1305dcd2db6c3836e261e65d72964b56456994f7528b9fa95ffe2eb64b6462023569f9a280f8061

      • 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

        2a9fa799b21e8470f8469d43eca8a06d

        SHA1

        e7463e2ef46885e08ba658497e0942bfe2655187

        SHA256

        9af41cba1740b642e38fcd5087774733dccc8f6c2bc280dfe775a199f198a557

        SHA512

        5c138f1e4b3b936b38138a14baffdedad92e93cdf282fc6bd8d1f741c741e36960ad2e7f9f3b6c7ff9533c5172b75016f640399741c102a102cf858115444d5e

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

        Filesize

        404B

        MD5

        bdb4aa4d5efdf09e8686097364232758

        SHA1

        89a06a51e0afe5f0aed95ba528f9fb027d32957f

        SHA256

        e5b597165df5d9a5583c3f54a33a67847b096f12cabbb56b10c52fadf506c161

        SHA512

        467765e9b9cec3a1900f5735c7fd662dc68f45ef5b2803c7e80b1eebd50050ecfc41888f5b8374d68c5c0b7cb9659e83b7505a161b43e37efb76ccf27b59d03a

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{CF1CA760-D5EE-11EF-A4B7-CA65FB447F0B}.dat

        Filesize

        5KB

        MD5

        8ed2bbf3daa6dbb3cc322659e576fc41

        SHA1

        9d38e279c9d5b4bc1564a78d105f674421bfebe3

        SHA256

        43a4a02cd847942cf4c705f099d704f1a608a25a92b536deefb1ae903ff404e2

        SHA512

        86df0c17b54f965c6bf51596619d51dd03fc3a169426d6439fafad06fb2904aaa8c21a41ad72ebb7ad43c0588a9a6ccb7c45224f5ab0532661300523dfc7c529

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{CF1F0AE8-D5EE-11EF-A4B7-CA65FB447F0B}.dat

        Filesize

        3KB

        MD5

        127bdc64686b0010f593e19c4f3dc767

        SHA1

        1577002901762c79932f951d64f1d29a5d6f8e06

        SHA256

        6a5ebb756ea3c162b08427cc645398640537d070ef2626e909bbddf2850ae59c

        SHA512

        5cdc2688d456fe9344762430b6988dd127f612f4a56aa85c43f138a165cb2c25b8360fce72487c59a273c2806f71d67009040a50d2fa25116d7c47e7950d01af

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/1004-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1004-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1004-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1004-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1004-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1004-6-0x0000000000400000-0x0000000000479000-memory.dmp

        Filesize

        484KB

      • memory/1004-8-0x0000000000880000-0x0000000000881000-memory.dmp

        Filesize

        4KB

      • memory/1004-0-0x0000000000400000-0x0000000000479000-memory.dmp

        Filesize

        484KB

      • memory/1004-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1004-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1004-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/1368-31-0x0000000000920000-0x0000000000921000-memory.dmp

        Filesize

        4KB

      • memory/1368-30-0x0000000000940000-0x0000000000941000-memory.dmp

        Filesize

        4KB

      • memory/4572-27-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/4572-33-0x0000000000400000-0x0000000000479000-memory.dmp

        Filesize

        484KB

      • memory/4572-32-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4572-34-0x0000000000400000-0x0000000000479000-memory.dmp

        Filesize

        484KB

      • memory/4572-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4572-36-0x00000000774B2000-0x00000000774B3000-memory.dmp

        Filesize

        4KB

      • memory/4572-40-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4572-35-0x0000000000400000-0x0000000000479000-memory.dmp

        Filesize

        484KB

      • memory/4572-28-0x00000000774B2000-0x00000000774B3000-memory.dmp

        Filesize

        4KB

      • memory/4572-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4572-18-0x0000000000400000-0x0000000000479000-memory.dmp

        Filesize

        484KB