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Analysis

  • max time kernel
    94s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2024, 21:17

General

  • Target

    36da45a37d30043e157040e0725f1597_JaffaCakes118.dll

  • Size

    144KB

  • MD5

    36da45a37d30043e157040e0725f1597

  • SHA1

    160917680c9be5d847c74f56dd0f0b5fe5580950

  • SHA256

    f6d982448b1d7eadb9bf17ecae6c020583d1751ec41a7bdaa2d12cf2fa34f59c

  • SHA512

    ffd89ec891eb1b383f902fcda8dcf15588a06f382c8eea008b19f6b026975d54251f5e7a031df0f34b2c3aaf32e0d5c7c1044404608b9eab90b2919ad4583c32

  • SSDEEP

    3072:PibTTp78CclGbAqhMjW3Mfw534x3CtlGpuo:gT14TGAoMfTsHGj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 3 IoCs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\36da45a37d30043e157040e0725f1597_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2836
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\36da45a37d30043e157040e0725f1597_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2796
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2676
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2676 -s 264
          4⤵
          • Program crash
          PID:664
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 608
        3⤵
        • Program crash
        PID:3528
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2676 -ip 2676
    1⤵
      PID:2832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2796 -ip 2796
      1⤵
        PID:2736

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        105KB

        MD5

        9b49fec7e03c33277f188a2819b8d726

        SHA1

        a7b6b4a0ecbeab9075c3e36ec2586ce8debbbc4f

        SHA256

        9d3a78f72dbd7351a999d6fd6f60b0c6ba79bc4279a347fd590af94a0224afad

        SHA512

        049a0971913562ca8a134ac889d4750c71d89fe070fadcb06dfc49401f1b9b508275921e55f3f27a31f34d520e96784d4a50959fa1aab6bad878e9e5ea61755d

      • memory/2676-4-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB

      • memory/2676-6-0x00000000005B0000-0x00000000005B1000-memory.dmp

        Filesize

        4KB

      • memory/2676-9-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB

      • memory/2796-1-0x000000006D080000-0x000000006D0A4000-memory.dmp

        Filesize

        144KB

      • memory/2796-7-0x000000006D080000-0x000000006D0A4000-memory.dmp

        Filesize

        144KB