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Analysis

  • max time kernel
    141s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 17:06

General

  • Target

    64096186747c468b881e47631bac27d8_JaffaCakes118.exe

  • Size

    104KB

  • MD5

    64096186747c468b881e47631bac27d8

  • SHA1

    76f2b6692f3df55d9bc718b98420da165ec88b2d

  • SHA256

    c512f055fb57f01079d8aac0ef5e81d4a05e4b07f05cf6b7d6d7c3dc1b6fa6a1

  • SHA512

    d394b8880eb5b66d675b1ad2e1680c3bfdbe79b023df5123b5823a8d7dd1cb9303c5b46858adacb26b52af500819ede2b69f3bfe7c856b3e9787013356ac6ec8

  • SSDEEP

    3072:SRPaDGQ38aV8f9rH1gmr7EtJqmieo6Sc4:QPwGQ3V6lb1jrkJqZbc4

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
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64096186747c468b881e47631bac27d8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\64096186747c468b881e47631bac27d8_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4556
    • C:\Windows\rb.exe
      "C:\Windows\rb.exe"
      2⤵
      • Executes dropped EXE
      PID:2576
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2576 -s 224
        3⤵
        • Program crash
        PID:3448
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2576 -ip 2576
    1⤵
      PID:1004

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\rb.exe

      Filesize

      91KB

      MD5

      53c206ec8f1f3733f723fbcec939bff5

      SHA1

      08ab83463d09d8c13f8f0f6e9a468a1b9aa35a99

      SHA256

      ea3f0a432fdcd686979692a1006d3848a987b32dc24938f79c02a2f7362cee72

      SHA512

      624d5728aa723215f1fda277871ed33c06a4047f9ef97deb45bef2c6e7d7c0c5811e71243771f0233a8e675d5026f27d3f0f14bb040588af2dc93a9bbc81d167

    • memory/2576-9-0x0000000000400000-0x0000000000431000-memory.dmp

      Filesize

      196KB

    • memory/4556-0-0x0000000000400000-0x000000000041C200-memory.dmp

      Filesize

      112KB

    • memory/4556-10-0x0000000000400000-0x000000000041C200-memory.dmp

      Filesize

      112KB