Analysis

  • max time kernel
    91s
  • 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 18:48

General

  • Target

    JaffaCakes118_b1acdf8fc8575fa698fbb1191dd88436.exe

  • Size

    152KB

  • MD5

    b1acdf8fc8575fa698fbb1191dd88436

  • SHA1

    37b97d060e1c211024450fcd622f5063d7a5d785

  • SHA256

    246484b4b0a91c1dc28bc3f5e4d31b35756fb9a44d05c43b7f3ef48cfc44bc61

  • SHA512

    374862b9f9cbfae097abb361265a17a254154b5614b1652f7c317bc49c850f448bcc65c4b5d0870960f15bdb43324700b0e82a319746d913c08c32662f3bcc7b

  • SSDEEP

    1536:0VZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApE:knxwgxgfR/DVG7wBpE

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_b1acdf8fc8575fa698fbb1191dd88436.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1acdf8fc8575fa698fbb1191dd88436.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1844
    • 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:3560
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:3692
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3692 -s 204
            4⤵
            • Program crash
            PID:1016
        • 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:2012
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2012 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3008
        • 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:3564
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3564 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3692 -ip 3692
      1⤵
        PID:2744

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        152KB

        MD5

        b1acdf8fc8575fa698fbb1191dd88436

        SHA1

        37b97d060e1c211024450fcd622f5063d7a5d785

        SHA256

        246484b4b0a91c1dc28bc3f5e4d31b35756fb9a44d05c43b7f3ef48cfc44bc61

        SHA512

        374862b9f9cbfae097abb361265a17a254154b5614b1652f7c317bc49c850f448bcc65c4b5d0870960f15bdb43324700b0e82a319746d913c08c32662f3bcc7b

      • 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

        86cf578a0857c3ceeb50dc80ff54079e

        SHA1

        e96da3b020f26151449be4a1321ae748896f35ff

        SHA256

        27b932c2f7cbf17c32be7774e894182c3d6742b73a45024ca023ea5591a62166

        SHA512

        a378f616eda13e93d2aecbfbd619522e0b44ddf65bb55deff16d340473d72dbc180f7d76e6e341a9cbc47a299a8de8f2c689a8b2f36fa9c7fcf8f52d88bcdfba

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

        Filesize

        404B

        MD5

        87db90a64e43af3ab83be443e9c71c4b

        SHA1

        faf5a044d2fb094f1e102470ca24250b3a8b9bff

        SHA256

        586b5497093db4ae542f921809af3109c3608d17679b91aa80d554ad1690ecde

        SHA512

        ab42d2d07bdccf88eacac03f01e961831d01d1bad3ad42a4b3d0573d0a164ba7b4356e5575db78d02c6e36fcccc13b6be4aab3eda6dceeffe612800a36eb5711

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{DE9DD328-D5CC-11EF-AF2A-FA9F886F8D04}.dat

        Filesize

        3KB

        MD5

        763cbe78127548f5fcfe6d88d34e0861

        SHA1

        5fba61c9ae9956c503d5135c4cd03197a43062f5

        SHA256

        ae77a0a7e85c17c7eadfdea51ae7021185d1b8347a68aaf69f1c8688060a2a3d

        SHA512

        91fa71fc10fe44bfb11aeccfce5adfb7198375a9486b265d346d68a19835fd6e6b680ad0b869dc19920cc5652438e61d3f172c7b011199fafaeffd405d607d42

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{DEA0360D-D5CC-11EF-AF2A-FA9F886F8D04}.dat

        Filesize

        5KB

        MD5

        22ef28828c78a350b972b292ad81b955

        SHA1

        348c16ee177e4f423ed0d73f31f9fd00ec585791

        SHA256

        a40b24277a11878ceee5051ff5ce138aea9937617b7290257e23e7602fc3d021

        SHA512

        c6b952a31024c2db9a78a3780a4b096d9a9f99ca1af1adb31f6c7f85ff8fb8771f7c69fd8b059120997e02724cb4933ad5b219e3f852191593faa0ae1f7df256

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/1844-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1844-6-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1844-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1844-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1844-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1844-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1844-7-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/1844-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1844-8-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/1844-0-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/1844-5-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1844-2-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/1844-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/3560-28-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/3560-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3560-35-0x00000000777B2000-0x00000000777B3000-memory.dmp

        Filesize

        4KB

      • memory/3560-33-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3560-36-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3560-26-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3560-29-0x00000000777B2000-0x00000000777B3000-memory.dmp

        Filesize

        4KB

      • memory/3560-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3560-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3560-19-0x0000000000400000-0x0000000000457000-memory.dmp

        Filesize

        348KB

      • memory/3692-31-0x0000000000C30000-0x0000000000C31000-memory.dmp

        Filesize

        4KB

      • memory/3692-32-0x0000000000C10000-0x0000000000C11000-memory.dmp

        Filesize

        4KB