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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/06/2024, 08:56

General

  • Target

    15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe

  • Size

    85KB

  • MD5

    15664ff00b7a6496d48d633b7812ab94

  • SHA1

    cb3ebedbe023ca5884d552f67d9a3f409b0fdc50

  • SHA256

    4f7bab60cdd8b4623e470eaa8bfebfd840e069c834a953025b49289d7277a071

  • SHA512

    680771d2017e8f7118c46d679bf8ea65241855d2e8c7e40dce3c2740d90d03704b0e937ee05e51819788d5662eb26c7830fc490f65bac6c51fc7a8a1afa3e7a3

  • SSDEEP

    1536:CAi7V6+EZFCttj4E56r+Ov4DVwMXZ7sRIMrHWTaWr7UlTn5YjYpeeO6T:CAi7U1kuE5yXEDPa27UnYspFv

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\15664ff00b7a6496d48d633b7812ab94_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Program Files\%Program Files%\laass.exe
      "C:\Program Files\%Program Files%\laass.exe" uninstall.lnk main
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4200
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4200 -s 352
        3⤵
        • Program crash
        PID:4080
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" uninstall.lnk main
      2⤵
      • Loads dropped DLL
      PID:1784
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 596
        3⤵
        • Program crash
        PID:5008
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\15664F~1.EXE > nul & rd c:\%Progr~1 > nul
      2⤵
        PID:2940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1784 -ip 1784
      1⤵
        PID:1792
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4200 -ip 4200
        1⤵
          PID:3424

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\%Program Files%\laass.exe

          Filesize

          9KB

          MD5

          359c541c07a39ab11bb45aad29b2d2ce

          SHA1

          3c4f277f184ae306a4d0efe1bcb9e03ecabbb9b7

          SHA256

          6e2378348ebebf5b301744fedb0be396ef4e7e92ad94877da79eed9eb46850d5

          SHA512

          768050272dd4875a4c2a6a96f6337334c05d1512dfc0cc9ceee883a7c701de5e2e90872a6f9029de5b528b74c07cb8aa61c10f9f9e834f8021e9759136fcfbff

        • memory/1568-0-0x0000000000400000-0x00000000012FA123-memory.dmp

          Filesize

          15.0MB

        • memory/1568-8-0x0000000000401000-0x00000000012E5000-memory.dmp

          Filesize

          14.9MB

        • memory/1568-23-0x0000000000401000-0x00000000012E5000-memory.dmp

          Filesize

          14.9MB

        • memory/1568-24-0x0000000000400000-0x00000000012FA123-memory.dmp

          Filesize

          15.0MB

        • memory/4200-27-0x0000000010000000-0x0000000010027000-memory.dmp

          Filesize

          156KB