Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/04/2024, 15:16

General

  • Target

    ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe

  • Size

    10KB

  • MD5

    ff922c3a7fbe3255f547b2f176b151d5

  • SHA1

    832003938f1076a6a03ae6df1591c3005fa0d772

  • SHA256

    865030e7c7d94ab7f85f5c9b02a17a3deb0d74363c4506880b00d9ddfd951bf6

  • SHA512

    c4992b1dc1472136b547ebf7cc4fee7a6e31f94ab3273a2a90f7aff66f4278599c069221b084d9d21a864a81760ddcce303cc90576e37c94964b809da0fc6566

  • SSDEEP

    192:fDuFSHP37IQsDocCg3wPjdadrLVc7PG1KnoeSjKSBH1KXZl819/V3Z:bKSvrIQsD1APjdadrBEoHR1sl8b

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\Windows\SysWOW64\mduaeyk.exe
      C:\Windows\system32\mduaeyk.exe ˜‰
      2⤵
      • Executes dropped EXE
      PID:3280
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe.bat
      2⤵
        PID:4060

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\ff922c3a7fbe3255f547b2f176b151d5_JaffaCakes118.exe.bat

            Filesize

            210B

            MD5

            3f9d1126ac6f74ab3268575830b3d977

            SHA1

            1d6cfbb844715e533625ebc7ef11c1381ca4a43b

            SHA256

            5a06b5b40ea3c2ee78b4053e124536c2b2368db38ab347ed1186bcc24931bdfb

            SHA512

            2b08362f1e493aa7636d92ab89f2ef45b4c7175332288867ac53868bb59bbbd827dfd9de8972b62769ae1a34fab0568ce1a7ca3cf54706b533110175cf60f689

          • C:\Windows\SysWOW64\mduaeyk.exe

            Filesize

            10KB

            MD5

            ff922c3a7fbe3255f547b2f176b151d5

            SHA1

            832003938f1076a6a03ae6df1591c3005fa0d772

            SHA256

            865030e7c7d94ab7f85f5c9b02a17a3deb0d74363c4506880b00d9ddfd951bf6

            SHA512

            c4992b1dc1472136b547ebf7cc4fee7a6e31f94ab3273a2a90f7aff66f4278599c069221b084d9d21a864a81760ddcce303cc90576e37c94964b809da0fc6566

          • memory/3280-6-0x0000000000400000-0x000000000040E000-memory.dmp

            Filesize

            56KB

          • memory/4664-0-0x0000000000400000-0x000000000040E000-memory.dmp

            Filesize

            56KB

          • memory/4664-9-0x0000000000400000-0x000000000040E000-memory.dmp

            Filesize

            56KB