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Analysis

  • max time kernel
    72s
  • max time network
    65s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2024, 23:19

General

  • Target

    5433d14a3f3371c6ff558fb1456abbf6_JaffaCakes118.exe

  • Size

    112KB

  • MD5

    5433d14a3f3371c6ff558fb1456abbf6

  • SHA1

    09011c6fa0588f0e25bd2246e21485567e5807a1

  • SHA256

    02b983d51ac4556b5125fb8659edaf99cc2f53ca659e67be02509e97f947dfd7

  • SHA512

    c97551b410321800e2a85e3db907789dd70571c66368fbe45d334b5ffe12137db8b3e8f7742e1ece05574f57a98a1e5424a317917ef72fcbe50c8b3b8dd0f63b

  • SSDEEP

    3072:q3Hqbee777PMCBU2R1AUuyncwvZ9lkwaSrVDrXhzlrO:QqbZ37OIAUuycwRfk2X/

Malware Config

Signatures

  • Renames multiple (215) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5433d14a3f3371c6ff558fb1456abbf6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5433d14a3f3371c6ff558fb1456abbf6_JaffaCakes118.exe"
    1⤵
    • Drops file in Drivers directory
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:832
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1184
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1116
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a975E.bat
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3796
        • C:\Users\Admin\AppData\Local\Temp\5433d14a3f3371c6ff558fb1456abbf6_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\5433d14a3f3371c6ff558fb1456abbf6_JaffaCakes118.exe"
          3⤵
          • Executes dropped EXE
          PID:896
      • C:\Windows\Logo1_.exe
        C:\Windows\Logo1_.exe
        2⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4024
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1616
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3924
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3428
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1308

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\7-Zip\7z.exe.Exe

      Filesize

      631KB

      MD5

      c0a3ecbc219d7d8f904ce8a3938c0c92

      SHA1

      18fa91bd3ba3ae5ce9b1fecc4077474a32a13859

      SHA256

      b16c02cea54dc4f06597b7371486fcd5e39d7b7b08654c2bfc763a17886b90d7

      SHA512

      90e50fdb1285a44ba91db2f4e8722998dcbcf014bcb15bd280dbd9f39d5a344fcb6b4731ac0a59a084be07349557c76fb2510dd37fec51b2378aca8cd457f9ee

    • C:\Users\Admin\AppData\Local\Temp\$$a975E.bat

      Filesize

      614B

      MD5

      4d0d3e7f57cdbf8bdd5069a5409213b3

      SHA1

      d7fc0dec843c7196dad1bb075bb4ca6edc632d84

      SHA256

      612134e8371f4b759e30f025a998301ab163b284e6898ee629bc32d7de101134

      SHA512

      ccac9a3118a071b8f9401014a24a7abd590fd44c2ac59426fb1984c7380db7b6e534be7fc0aae324fae5ef78d76962b53ed102914f66688782ee1be244081634

    • C:\Users\Admin\AppData\Local\Temp\5433d14a3f3371c6ff558fb1456abbf6_JaffaCakes118.exe.exe

      Filesize

      25KB

      MD5

      a75372cca53b68ae02bf9eb45587a0e7

      SHA1

      0f1477d3630f3bbee88d28c2ccb6b06b5ccb2e33

      SHA256

      9b58450116b3b734b2debbc68e8457f29cd0d5c3e2155e8e562f189094bb3ed3

      SHA512

      eb48c5570627b143663b7f4e16898ce19f89046598ef325dece753ca4821bd7ad13f0517961efb3d456f8d6b3636c3b7588863f0bd5b1a97e997faeab6c3b488

    • C:\Users\Admin\AppData\Local\Temp\b5soet.dll

      Filesize

      23KB

      MD5

      1e9bfb0d105dc2e2afaa14741bd4c692

      SHA1

      1eaaf954683b6c796226226ebdc84d91d6650499

      SHA256

      035ca07795b691cc920358767f1eae2921756ba75739637e3f9411866c0db19f

      SHA512

      3c1f5a5330d4cf16d99cf1956871d5eb017d5951e79404d9dde1f9740935280305eb5cb1f2fa4c02da7d6f2a8c040daf49cc2da7a34f7a484ba83b01b7d72073

    • C:\Windows\Logo1_.exe

      Filesize

      87KB

      MD5

      3eb732a76eaab2e56b1ac4d2ef756bfc

      SHA1

      6308814ebc92dac58e3b90e6bfdd3f15ff8f4c1c

      SHA256

      9ab09633bd1cc801dae739ec4220964838c2f1e83f6443af2acc7be6bd3b6d4d

      SHA512

      520c2b3f21f153fa5ad9f776bd96466e2816e94b18633a827bc6b80f2a0293d6264b75fffa52cd5f748c3ce84b89136ace3d68b2c2096242782471e12bf3fdc4

    • C:\Windows\system32\drivers\etc\hosts

      Filesize

      842B

      MD5

      6f4adf207ef402d9ef40c6aa52ffd245

      SHA1

      4b05b495619c643f02e278dede8f5b1392555a57

      SHA256

      d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

      SHA512

      a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

    • memory/4024-36-0x0000000000450000-0x0000000000470000-memory.dmp

      Filesize

      128KB

    • memory/4024-35-0x0000000000580000-0x00000000005C0000-memory.dmp

      Filesize

      256KB

    • memory/4024-18-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/4024-26-0x0000000000450000-0x0000000000470000-memory.dmp

      Filesize

      128KB

    • memory/4024-25-0x0000000000580000-0x00000000005C0000-memory.dmp

      Filesize

      256KB

    • memory/4024-24-0x0000000010000000-0x0000000010016000-memory.dmp

      Filesize

      88KB

    • memory/4024-34-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/4628-9-0x0000000000450000-0x0000000000470000-memory.dmp

      Filesize

      128KB

    • memory/4628-19-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/4628-20-0x0000000010000000-0x0000000010016000-memory.dmp

      Filesize

      88KB

    • memory/4628-0-0x0000000000400000-0x000000000044B000-memory.dmp

      Filesize

      300KB

    • memory/4628-5-0x0000000010000000-0x0000000010016000-memory.dmp

      Filesize

      88KB

    • memory/4628-6-0x0000000000580000-0x00000000005A0000-memory.dmp

      Filesize

      128KB