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Analysis

  • max time kernel
    140s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    20/04/2024, 05:33

General

  • Target

    fc08f9d09a7067df2a85528cbab0f26a_JaffaCakes118.exe

  • Size

    3.9MB

  • MD5

    fc08f9d09a7067df2a85528cbab0f26a

  • SHA1

    39444342ca8ad923ca9d868c006be4214be655d4

  • SHA256

    4d68fe0a3f2cbb35f0e013208bbf8d303a0df929ad85424913a5207c556cdfac

  • SHA512

    0e23b5831bce3a5cafef907f0aaf5094219b9dc850f49afaddefc61eabd2fc261f8a19a72c88413bc382acf96123118af4ea273f798fa26d4a7c4c5b37d7cbfc

  • SSDEEP

    98304:lFEdnspc2ucakcibiqh7DUlvEcakcibiqh40nUdhYcakcibiqh7DUlvEcakcibiK:+2udlirdysdlirbno6dlirdysdlir

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc08f9d09a7067df2a85528cbab0f26a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc08f9d09a7067df2a85528cbab0f26a_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Local\Temp\fc08f9d09a7067df2a85528cbab0f26a_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fc08f9d09a7067df2a85528cbab0f26a_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2484
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\fc08f9d09a7067df2a85528cbab0f26a_JaffaCakes118.exe" /TN w6CK1HQd991c /F
        3⤵
        • Creates scheduled task(s)
        PID:1208
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN w6CK1HQd991c > C:\Users\Admin\AppData\Local\Temp\ib8yPmv.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2704
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN w6CK1HQd991c
          4⤵
            PID:2744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ib8yPmv.xml

      Filesize

      1KB

      MD5

      f7ef5e837cf3559af81a4c5d20ae7c49

      SHA1

      3c74b50105e7abbebe51db5c32691706aab98b8f

      SHA256

      34c13de0935d1ade23970cb9b9cf13816b192f05fb19a0e984ea49b4f0fa6d43

      SHA512

      15d9e63b5470bc515ea56dd12bbcc31fa18aeb3a39a86ddf55a88f4c18a31bea19f88be1484a088542f3f102c85cbb1edbcc9064e7e3083183211e55127144d0

    • \Users\Admin\AppData\Local\Temp\fc08f9d09a7067df2a85528cbab0f26a_JaffaCakes118.exe

      Filesize

      3.9MB

      MD5

      3b97903733749eeb855053598edd5cb9

      SHA1

      e8197c55eea52e89c47158a665accb51f410364a

      SHA256

      e24b2b4ec43d47965caaa1c61df8167d2b7195dfc0013a4d3e5d42bd337a0910

      SHA512

      0cde37c7e5521997f73034d42b571fa6bf32a5b6e2551e448981356d1c9432f1dab438a58661252a5f6ed55fb04a63ba86fb50e10686d921a7d6a35cc140b17b

    • memory/2252-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2252-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2252-3-0x00000000001B0000-0x000000000022E000-memory.dmp

      Filesize

      504KB

    • memory/2252-16-0x00000000236A0000-0x00000000238FC000-memory.dmp

      Filesize

      2.4MB

    • memory/2252-15-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2484-19-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2484-21-0x0000000001660000-0x00000000016DE000-memory.dmp

      Filesize

      504KB

    • memory/2484-26-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2484-31-0x0000000000390000-0x00000000003FB000-memory.dmp

      Filesize

      428KB

    • memory/2484-53-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB