Analysis

  • max time kernel
    139s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/08/2024, 18:22

General

  • Target

    b8a65be53800e5b6cd95bf19bfef9b5b_JaffaCakes118.dll

  • Size

    64KB

  • MD5

    b8a65be53800e5b6cd95bf19bfef9b5b

  • SHA1

    474f1951948e5b2cfb011dacbb4c1fe8205c1cdf

  • SHA256

    67872759c870ae01055ed39622e243fd75fd6c64b081d9f0d596f270701b8dca

  • SHA512

    9b53ee5085a8ec68c5a064082c92dc132487c3b33b301449096dfe48416f61dee4d5086982f8602119aae7d9f3cd103eaf775e3de537057e04d382a2defc3782

  • SSDEEP

    768:cCN+27ldL5E9oXA1QBw6qMo/bIF+i3mETZiNXT5USuIfmJDSiwXzPUj0HMyrsvwY:LN3ldL22PBwMoMZfgJi6SSbXz60VD

Malware Config

Signatures

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • 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 Internet Explorer settings 1 TTPs 10 IoCs
  • Modifies registry class 12 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b8a65be53800e5b6cd95bf19bfef9b5b_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\b8a65be53800e5b6cd95bf19bfef9b5b_JaffaCakes118.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:1892
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 892
        3⤵
        • Program crash
        PID:3044
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1892 -ip 1892
    1⤵
      PID:808

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads