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Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/08/2024, 22:56

General

  • Target

    83e21ea5545f76f59a41aced67ade3bd_JaffaCakes118.exe

  • Size

    684KB

  • MD5

    83e21ea5545f76f59a41aced67ade3bd

  • SHA1

    f3c93f3b316877dcb800e8f9f732d27b057842b5

  • SHA256

    aa0662f95f2f09d4f07c886bdddd8e40e468c2fb1f3e821ab396b4d36ac38d69

  • SHA512

    e20311e55d3cab9892241aec6586d6e655d0013da6e9bbd8cefb310bb269fcf03a3fbd88181a4b637f0b6057c7697e18a41519fbd3d84a530a97738d5e4fb3bd

  • SSDEEP

    12288:up10yTvLuemGWvPdFOUTNKW8n2p3uGUMotFbkPc7DiPBEcrf:O1XyFFOU5qn2ek8wBEYf

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 2 IoCs
  • UPX packed file 10 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 5 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 51 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83e21ea5545f76f59a41aced67ade3bd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\83e21ea5545f76f59a41aced67ade3bd_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:244
    • C:\Users\Admin\AppData\Local\Temp\83e21ea5545f76f59a41aced67ade3bd_JaffaCakes118mgr.exe
      C:\Users\Admin\AppData\Local\Temp\83e21ea5545f76f59a41aced67ade3bd_JaffaCakes118mgr.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2960
      • C:\Program Files (x86)\Microsoft\WaterMark.exe
        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
        3⤵
        • 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:4380
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:2788
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 232
              5⤵
              • Program crash
              PID:1500
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4996
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4996 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:3860
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4892
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4892 CREDAT:17410 /prefetch:2
              5⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:4736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2788 -ip 2788
      1⤵
        PID:1056

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{AE11FB78-56A2-11EF-9912-562BAB028465}.dat

        Filesize

        3KB

        MD5

        b2c745c875d98059d33181d29b1cfe54

        SHA1

        0ef61e2e969313d47909849dc4354c9e928e1a67

        SHA256

        79c29d27e6533fff543014e45877d46cc9445621df984fc356adc26e0ca080f3

        SHA512

        a619caf9fe968bdec9a836e059e9d67ab79ea7d9bb58811a0e91d8f54aadc572017f535758e8ae3e9d1e65cc816c4b71959854698f5b33deaf85f556340bc602

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{AE145E05-56A2-11EF-9912-562BAB028465}.dat

        Filesize

        5KB

        MD5

        cfc570db07e217e903808b0c812f0cb1

        SHA1

        c93cd0f59800e3814ce47b75ac2137d80ffde152

        SHA256

        8ad405016e560639d74efb25a9295bab27894b1a6467d26c83dc115a1b48fad1

        SHA512

        7e77226a16e472c0177192151198b1b0d5754b331e3430efb50f7c097b28dc9a4e5647bc37e718c4363ed8e52dbcc770843a266cb200b9139ca10938d935c33f

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver2F39.tmp

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4329235D\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Users\Admin\AppData\Local\Temp\83e21ea5545f76f59a41aced67ade3bd_JaffaCakes118mgr.exe

        Filesize

        123KB

        MD5

        58ae04d47a7587cba542671907b6a9af

        SHA1

        1f1e13105f87605281aac5666e8e448ab388b113

        SHA256

        aaaccf3120e3a27abb632e12c69b5e21056ec88780f001605d763eed9a2d1709

        SHA512

        78e2ecd54578cf8413f025f060412df7855ba661c07fafe0891a6827295a80caa8c3eae2be771786bc49ef5492163530319b86eba10cc6627d40b1677a496401

      • memory/244-0-0x0000000000400000-0x00000000004B1000-memory.dmp

        Filesize

        708KB

      • memory/2788-33-0x0000000000D40000-0x0000000000D41000-memory.dmp

        Filesize

        4KB

      • memory/2788-32-0x0000000000D60000-0x0000000000D61000-memory.dmp

        Filesize

        4KB

      • memory/2960-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2960-7-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2960-15-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/2960-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2960-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2960-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2960-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2960-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2960-6-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB

      • memory/2960-5-0x0000000000400000-0x000000000042B000-memory.dmp

        Filesize

        172KB

      • memory/4380-30-0x0000000077372000-0x0000000077373000-memory.dmp

        Filesize

        4KB

      • memory/4380-35-0x0000000077372000-0x0000000077373000-memory.dmp

        Filesize

        4KB

      • memory/4380-34-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4380-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4380-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4380-28-0x00000000008C0000-0x00000000008C1000-memory.dmp

        Filesize

        4KB

      • memory/4380-29-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB