Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2024, 10:05

General

  • Target

    e734e0808f44de14e6cdf794a6b451c4_JaffaCakes118.exe

  • Size

    1003KB

  • MD5

    e734e0808f44de14e6cdf794a6b451c4

  • SHA1

    f99293171c77aee8986fb74f71117297555badef

  • SHA256

    21caeaee8448adbd182d779a32a6bdc5d700b417d9f929347485ca70a436617a

  • SHA512

    3fd0cf6e0f26d3bf502097f8d7f63d89884b6fe3920b9c3d950691a42811f55c40ac5867a47b50a24d6c285931ff8bc16032617aa9dcfe754167bbc0ddc1acb5

  • SSDEEP

    24576:U3GSQXiQnkfXKK1RR8NK+GQoadai7D3uITjIFOxo53ApIj:U3jQXiQnkfXKK14N/GQ7ai7D3xTgOxYj

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e734e0808f44de14e6cdf794a6b451c4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e734e0808f44de14e6cdf794a6b451c4_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Users\Admin\AppData\Local\Temp\e734e0808f44de14e6cdf794a6b451c4_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\e734e0808f44de14e6cdf794a6b451c4_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2264
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\e734e0808f44de14e6cdf794a6b451c4_JaffaCakes118.exe" /TN EvIYV7rY9c10 /F
        3⤵
        • Creates scheduled task(s)
        PID:4536
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN EvIYV7rY9c10 > C:\Users\Admin\AppData\Local\Temp\o2KORW.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4172
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN EvIYV7rY9c10
          4⤵
            PID:4824

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\e734e0808f44de14e6cdf794a6b451c4_JaffaCakes118.exe

            Filesize

            1003KB

            MD5

            37677fddac6d2288e682b2a77e4ed1d7

            SHA1

            09de468ca2a3f0f99e03c63632f33cec6508510c

            SHA256

            62fbd44c72eed207c57ba3edb6905d11896e14fb551297c128266e183429d344

            SHA512

            8615ea31f2eb4a0fd20d3981ac0f1b71f8d3cd748e908e42503cc6657a6f9aa6069407463bacc3804ba66fbf1dfa69155897ce106f46cb17f0a5c72762e91425

          • C:\Users\Admin\AppData\Local\Temp\o2KORW.xml

            Filesize

            1KB

            MD5

            64c33a3cd980bd9919200277c9ad877e

            SHA1

            7d00d5f2dc5daaf8343ba64581382590e4b56b5c

            SHA256

            da6e4240348d400989fca1485c35dbc93b8d0efcf53cb4ee2249d518d7c63f28

            SHA512

            2897dedf6e705fe5221f50b908673c465b54059dccb9fa2864e0c5c31a56c5ae51f1722ae79be45accbeb08add839d5fdd55b415ccfb60d3d42a81e7e43fde28

          • memory/2264-14-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/2264-17-0x0000000025050000-0x00000000250CE000-memory.dmp

            Filesize

            504KB

          • memory/2264-22-0x0000000000470000-0x00000000004DB000-memory.dmp

            Filesize

            428KB

          • memory/2264-23-0x0000000000400000-0x000000000045B000-memory.dmp

            Filesize

            364KB

          • memory/2264-40-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/4860-0-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/4860-1-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/4860-6-0x0000000025010000-0x000000002508E000-memory.dmp

            Filesize

            504KB

          • memory/4860-13-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB