Analysis

  • max time kernel
    140s
  • 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
    31/10/2024, 04:12

General

  • Target

    8193921c017358677073e954745e86ed_JaffaCakes118.exe

  • Size

    224KB

  • MD5

    8193921c017358677073e954745e86ed

  • SHA1

    9ab8e86034475a0bde55729fd2bbff0796baf695

  • SHA256

    9f9bbe3b5733adff8b9c349407580800e767cd01eb71dbbe2f7df78c87f8dca2

  • SHA512

    974df8c61a371d615352949438ec870dc1ec82701eae976843122091bca1751e8fbd1d9be105e1c30e560e3df4f693c4ddb4f11477d95ec1f57b9ac01bfb4152

  • SSDEEP

    3072:k4JwsSux9D3OaiGY0VdV6dUPuD0VKir9QzFL6aqEYDKEuj/Rr0kAx:k4n3OBWvV6KPPUw+6aqEYGE8RokG

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8193921c017358677073e954745e86ed_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Users\Admin\AppData\Local\Temp\240625921.exe
      C:\Users\Admin\AppData\Local\Temp\\240625921.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\240625921.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1964
    • C:\Users\Admin\AppData\Local\Temp\240629671.exe
      "C:\Users\Admin\AppData\Local\Temp\240629671.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Windows\QQ2011\QQ2011.exe
        C:\Windows\QQ2011\QQ2011.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2424
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
            PID:4952
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 592
          3⤵
          • Program crash
          PID:4800
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1948 -ip 1948
      1⤵
        PID:2020

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\240629671.exe

              Filesize

              144KB

              MD5

              4b54f3964c4d90a0fca8702309240e78

              SHA1

              c5f7fc4fb4d3cb4035c5671bbe6ef4d025a48abe

              SHA256

              0a7d73320f550a97d1a2f9a1e3db8e3beea41b74e64e44c82eca8eae362d9b8f

              SHA512

              19b6a77adbde8e0118c3fbade9a7eb6e2b278071a2e07dedddb118a6411dac42a5b7d4075ab324e1293c4e25501a5f474c663ad81afb4b4d601886b28987f1fe

            • memory/1948-24-0x0000000013140000-0x000000001316A000-memory.dmp

              Filesize

              168KB

            • memory/2424-23-0x0000000013140000-0x000000001316A000-memory.dmp

              Filesize

              168KB

            • memory/2772-7-0x0000000000400000-0x0000000000407000-memory.dmp

              Filesize

              28KB

            • memory/2772-10-0x0000000000400000-0x0000000000407000-memory.dmp

              Filesize

              28KB