Analysis

  • max time kernel
    13s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17/10/2024, 01:33

General

  • Target

    5024029acdcec86f2a690dec59e07052_JaffaCakes118.dll

  • Size

    88KB

  • MD5

    5024029acdcec86f2a690dec59e07052

  • SHA1

    36cfbd949ad6bea4bb8de4a6a5fdfc22346ca193

  • SHA256

    ff59c2bdd2a17d1e02517a75fb97f35e253434248017282af4dbacbc3b474b4d

  • SHA512

    a725b3f4c4776be1a6d8c9eb13dae77934d193b5d512d64e9eae9faf106a61125f434b9df0a19bf17c6debec134cd18fd2647de14ec469af9dfdf44b84b63585

  • SSDEEP

    1536:EUXDWAe2JVASMybdm/TLokFs5vBmxP/IeTNU3qUXoRqwXuEXNoIGs:EAWOCvw5kP/ImxRqeXNoI

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 22 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5024029acdcec86f2a690dec59e07052_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5024029acdcec86f2a690dec59e07052_JaffaCakes118.dll,#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2604 -s 232
        3⤵
        • Program crash
        PID:1704

Network

        MITRE ATT&CK Enterprise v15

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