Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 11:36

General

  • Target

    01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe

  • Size

    46KB

  • MD5

    01f221f9f2a844f66fc83bcf6cdac1e1

  • SHA1

    44256be3a79ccf529c4720f370fb8192e388a35c

  • SHA256

    4af04ba1d2405491ea667993e3b04f9a3032960da916438769ae0e4df343fbb8

  • SHA512

    48095e70cd91bf8d58e1e0d326bf6e1d612fdc3368476955675dd26916d010d2b652b138c4b6b41b5cad7fff083c07fc88b3e50e56361612ca20065967b24d24

  • SSDEEP

    768:s6XV9SMrYVOeUbBmw1uQfpPdyupRzj/oM+qLkyZhBL9DfYHOk7nvi/w9qb2eI:b7/roWMQfVdyupZ/ogtxk7qRbA

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Installs/modifies Browser Helper Object 2 TTPs 5 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\01f221f9f2a844f66fc83bcf6cdac1e1_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:5108
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C apphelp.bat
      2⤵
        PID:3608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\apphelp.bat

      Filesize

      140B

      MD5

      333b1a375896eba2946c7fbb1ed936d0

      SHA1

      92ea27e3ccbdbf100cb3f71c20938fa3a1acce4b

      SHA256

      666c60d137bf471d3f574ca25054ef08ac0401d0661bc893f587a9375a9c6123

      SHA512

      b7774a777774356d23bce0399f39e43c5b59bb53d26ae4c922286e31ca18ff8e0a22062b83ae668cd8d92df1447f14d8bb7cb43c3a3793693eb9c913f3a3861c