Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-08-2024 20:06

General

  • Target

    c179378005d7e04b6ceb496fde3c399d_JaffaCakes118.exe

  • Size

    151KB

  • MD5

    c179378005d7e04b6ceb496fde3c399d

  • SHA1

    e2560c5b882837c3df39f94e717e02e22f979b68

  • SHA256

    af4503b6ae140fc9100ff284a19ad2b38680a74f97d008f52cc2774ff5156c8f

  • SHA512

    03219794ddb1c34cceb1b6df2cea518b65851544d7bd13517fdbd76e9367c7e067c25fbc59ac40609de1adb61c98efc9cc3cd44742bdba0647044317fb565051

  • SSDEEP

    3072:D3Rdrls+uvmgcT4DpRhBDaRPyTFwQlfbzQU5an7l2TIzXeTnKx:+mD0DpvBD6PVSzz0zXeT

Malware Config

Signatures

  • Renames multiple (175) files with added filename extension

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

  • Drops file in Drivers directory 2 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 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 10 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 42 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c179378005d7e04b6ceb496fde3c399d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c179378005d7e04b6ceb496fde3c399d_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:2984
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:620
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1568
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:236
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\$$aEDC8.bat
        2⤵
        • Deletes itself
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3052
        • C:\Users\Admin\AppData\Local\Temp\c179378005d7e04b6ceb496fde3c399d_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\c179378005d7e04b6ceb496fde3c399d_JaffaCakes118.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2700
      • 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 AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2768
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:2744
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2580
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              4⤵
              • System Location Discovery: System Language Discovery
              PID:2692
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2724
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              4⤵
              • System Location Discovery: System Language Discovery
              PID:2556

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\$$aEDC8.bat

        Filesize

        614B

        MD5

        e9b5ca76606ac187c0b7c6a6fa64860a

        SHA1

        dec6526b9270f3144359056a1d83e5a290ad5b72

        SHA256

        8309e5aad4ec4e89db31fc6dbcecac1bd941f6cda16f478dae62f9b1c61ecd86

        SHA512

        6c00305207bb2444e8cf24740948bd256eb6a1211e0aa8d04f5aa0858b44b205b3e82bd775b52a9f40c0a498456ce47a85964f6b765e98219844b868112be7bf

      • C:\Users\Admin\AppData\Local\Temp\c179378005d7e04b6ceb496fde3c399d_JaffaCakes118.exe.exe

        Filesize

        60KB

        MD5

        7b3f995813e46502e75b62fb64310aff

        SHA1

        cf3e26d8356e77a0f9b527cd1ca5fc5fecde8256

        SHA256

        b7bcecd6b223a0d01ffde37496a25dc6cf4aee69436ea24b65eb13d2422988ed

        SHA512

        a724a349139905ca664857804e75ce94ed658e202bec39d8b0b5882c9fc57ecfe149e09579f84cb617165304235412e8448d2461ab3862d55b9a5c0f48626029

      • C:\Windows\Logo1_.exe

        Filesize

        91KB

        MD5

        2b59cf32de3b452547fb3e9b54df9737

        SHA1

        263d859f3ee4f5110b13ad5445561b23cbd76c8d

        SHA256

        71821567486df47f30f079080723ebab701c8fd170ede18fe6baeff45dc9721d

        SHA512

        d748d0f0723701541fe769aa2901095bb9729e1b8a61f1a52ba77af4b5aa4f70f70d01e175c5faefd718d65176a7754bd35a31ba6aa37befbfd04f8f91ecaf61

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

        Filesize

        832B

        MD5

        7e3a0edd0c6cd8316f4b6c159d5167a1

        SHA1

        753428b4736ffb2c9e3eb50f89255b212768c55a

        SHA256

        1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

        SHA512

        9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

      • \Users\Admin\AppData\Local\Temp\rhcrr.dll

        Filesize

        25KB

        MD5

        0c3550c5d1f4ac9b54c350ce1f415e5c

        SHA1

        20657d19bae7a44c60d31b4eade24d9b8f56128a

        SHA256

        acdbee4aaf7bd8c77201272a4f27783ce3ff9e1969004941108f0f23d40b735a

        SHA512

        240187a739672af0662244d193e41a3272b3445f8babcda305073b7246f64c96888c026d372a6261a0f1ccc109e57f00897a0b54bd58804db6b9d16c327bce6d

      • memory/2768-27-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/2768-39-0x0000000010000000-0x0000000010017000-memory.dmp

        Filesize

        92KB

      • memory/2768-47-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/2768-48-0x0000000010000000-0x0000000010017000-memory.dmp

        Filesize

        92KB

      • memory/2984-25-0x0000000000290000-0x00000000002DC000-memory.dmp

        Filesize

        304KB

      • memory/2984-8-0x0000000000020000-0x0000000000040000-memory.dmp

        Filesize

        128KB

      • memory/2984-0-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/2984-24-0x0000000000290000-0x00000000002DC000-memory.dmp

        Filesize

        304KB

      • memory/2984-29-0x0000000000400000-0x000000000044C000-memory.dmp

        Filesize

        304KB

      • memory/2984-30-0x0000000010000000-0x0000000010017000-memory.dmp

        Filesize

        92KB

      • memory/2984-5-0x0000000000220000-0x0000000000240000-memory.dmp

        Filesize

        128KB

      • memory/2984-4-0x0000000010000000-0x0000000010017000-memory.dmp

        Filesize

        92KB