Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 05:10

General

  • Target

    a3ed5d354947771fe10621f745a2cfaa_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    a3ed5d354947771fe10621f745a2cfaa

  • SHA1

    89255424d1ecef3634122a0c547eb39424136eda

  • SHA256

    64e5cbceef67b29184d3dbad3258722a645517938bd2580d0d7c7eb0544e07e8

  • SHA512

    ad5168e1d5124f9e87147d275fa55d3f638df1364b4e61edff357506dfb5e037975875b5b4a563ac797cab41dcddade7e841116c4e027577ba2c03a824be8599

  • SSDEEP

    12288:OsM+aTA3c+FK1vrlVYBVignBtZnfVq4cz1i5pP9kPQDL:FV4W8hqBYgnBLfVqx1Wjk+L

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 39 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3ed5d354947771fe10621f745a2cfaa_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a3ed5d354947771fe10621f745a2cfaa_JaffaCakes118.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies Internet Explorer start page
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://search.searchgmfs1.com/?uid=6c8305c7-e07c-428c-b1b5-154d991e0242&i_id=maps__1.30&ap=appfocus29&uc=20180427&source=Bing-bb8
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2668
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2668 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2752
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c FOR /L %V IN (1,1,10) DO del /F "C:\Users\Admin\AppData\Local\Temp\a3ed5d354947771fe10621f745a2cfaa_JaffaCakes118.exe" >> NUL & PING 1.1.1.1 -n 1 -w 1000 > NUL & IF NOT EXIST "C:\Users\Admin\AppData\Local\Temp\a3ed5d354947771fe10621f745a2cfaa_JaffaCakes118.exe" EXIT
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1036
      • C:\Windows\SysWOW64\PING.EXE
        PING 1.1.1.1 -n 1 -w 1000
        3⤵
        • Runs ping.exe
        PID:2372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab49BF.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa