Analysis

  • max time kernel
    80s
  • max time network
    63s
  • 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 11:42

Errors

Reason
Machine shutdown

General

  • Target

    15dfb59ca8a6290e3c8a52f31cfe627d_JaffaCakes118.exe

  • Size

    4KB

  • MD5

    15dfb59ca8a6290e3c8a52f31cfe627d

  • SHA1

    6363cb5af4ec6a6cdc9113285986129af4616c97

  • SHA256

    8673f5c3480550fcacc2ff94507f67d410463feb1b0f67e595ff70deb900f0d7

  • SHA512

    6dc5eaf5235c7fbd12e09a6b6992378d34a64046d3fd50482b59b4e8ac516380bb3a0ac40faefe8a27ca62b8cad42f7a970f4051eb0d4413f7c14ace6b4ac8ba

  • SSDEEP

    96:0PYA1iFC4K6jtAvpm05RYPPPM/zpPjwsOEepLt1x:0p10q6jtAvpm0rYPPPM/lwt1x

Score
7/10

Malware Config

Signatures

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\15dfb59ca8a6290e3c8a52f31cfe627d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\15dfb59ca8a6290e3c8a52f31cfe627d_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    PID:3528
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Drops file in System32 directory
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:1492
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
    1⤵
      PID:2712
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
      1⤵
        PID:4572
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
        1⤵
          PID:1344

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3528-0-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

        • memory/3528-1-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB

        • memory/3528-5-0x0000000000400000-0x000000000040A000-memory.dmp

          Filesize

          40KB