Analysis

  • max time kernel
    92s
  • 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
    15/01/2025, 10:20

General

  • Target

    JaffaCakes118_543960da2b232f83281ee12f08b970d4.exe

  • Size

    95KB

  • MD5

    543960da2b232f83281ee12f08b970d4

  • SHA1

    e9a2f87eecd026354896193a89171d33493eed1c

  • SHA256

    229c85378a68857e5361a5ca75200bae1ac39903757135325e28d84b8978782f

  • SHA512

    041380477de5a87eed3f95ce358e4eee440d9bc4b1d03dc39554646fea0e9e97e283aaa7f2a5cff73f031dcc0bb9d0250818ada15ea6f602dece3fbf862c525d

  • SSDEEP

    768:F06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:zR0vxn3Pc0LCH9MtbvabUDzJYWu3B

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 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_543960da2b232f83281ee12f08b970d4.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_543960da2b232f83281ee12f08b970d4.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3652
    • 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:2552
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:4636
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4636 -s 204
            4⤵
            • Program crash
            PID:1472
        • 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:516
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:516 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4184
        • 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:1552
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1552 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4636 -ip 4636
      1⤵
        PID:2092

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        95KB

        MD5

        543960da2b232f83281ee12f08b970d4

        SHA1

        e9a2f87eecd026354896193a89171d33493eed1c

        SHA256

        229c85378a68857e5361a5ca75200bae1ac39903757135325e28d84b8978782f

        SHA512

        041380477de5a87eed3f95ce358e4eee440d9bc4b1d03dc39554646fea0e9e97e283aaa7f2a5cff73f031dcc0bb9d0250818ada15ea6f602dece3fbf862c525d

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

        Filesize

        471B

        MD5

        fdba1e1aaafa78dc1bc5319f2afb6f86

        SHA1

        5432b1fa5f940052c9f9117307b2c97a7950cab2

        SHA256

        83c001e05993c8e603aec23cc4fa21a1515943496a69e18ab4a1196294b5354d

        SHA512

        ad7a1db5d9f4ac4edc07dfaacd2dd5aa15d8e228b2e096f9add822e4be84c66db28729583f9fdd5ae4f20fe685854cf2c35ced250a19df3b001c7b563c78a13e

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

        Filesize

        404B

        MD5

        a010db5f4423bb80cf6ae907869042cc

        SHA1

        b7aaf367587f27d5f4a2491033072683b0430af8

        SHA256

        48f95a171209c49bd84661bb960364a534c0d27fa440d7fd33e4954fe20b5726

        SHA512

        1d901343be9a8bdd4423815e2555b56a137ec1bd749010d27c206b6b376cb4fed143b90244381781d2b401b24ae5afadc6c978a4b3185a3a5a31b5cf34ce531c

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{55DFD829-D32A-11EF-91C3-FA89EA07D49F}.dat

        Filesize

        3KB

        MD5

        71ebeec553670b93f47d18d957af0629

        SHA1

        e890f17b874e1c3ea8e1755779386b96458c94bb

        SHA256

        7639f6a398979bf1424020456a8b28eb42f862df1cea0d8b999e5ea79b39a60c

        SHA512

        5b65e1a53f979ef06573ebd6ed2a418cb49b340d384c6076a51e3731d426f6da2a8823c0a9c2be86b34033e35e62861c39163e7ce0de596c22811b56abd0d71a

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{55E23AA0-D32A-11EF-91C3-FA89EA07D49F}.dat

        Filesize

        5KB

        MD5

        9c9d3545fba0ac72132cbf9ae768efee

        SHA1

        b527175ff3496add489667f701ed90360fbff610

        SHA256

        e38def8a6db98c3b1fd90c731eda4a43835004cd78ea6e9d1ca54ce1d71a7f80

        SHA512

        f6776a11a4231602134715331977e23105958d319d60490b8c074b27f40f5f117c9ec3734b6961e5ee5f012062a2e92140bcea1dd25fadd506d2323966494453

      • 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/2552-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2552-32-0x0000000077192000-0x0000000077193000-memory.dmp

        Filesize

        4KB

      • memory/2552-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2552-22-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/2552-28-0x0000000077192000-0x0000000077193000-memory.dmp

        Filesize

        4KB

      • memory/2552-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2552-25-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/2552-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2552-33-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3652-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3652-0-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/3652-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3652-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3652-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3652-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/3652-2-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/3652-7-0x0000000000900000-0x0000000000901000-memory.dmp

        Filesize

        4KB

      • memory/3652-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3652-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3652-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3652-3-0x0000000000400000-0x0000000000439000-memory.dmp

        Filesize

        228KB

      • memory/4636-31-0x0000000000A50000-0x0000000000A51000-memory.dmp

        Filesize

        4KB

      • memory/4636-30-0x0000000000A70000-0x0000000000A71000-memory.dmp

        Filesize

        4KB