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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 10:56

General

  • Target

    efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe

  • Size

    221KB

  • MD5

    efa497ff9ba6832c9372612a7068c61d

  • SHA1

    a4cf74a22a0e765b9f4d9d3b7ab2bba6036be3e5

  • SHA256

    d685d94417eb08db45f8c8a55d251fa2ffd29b76c85715fba6d072ddf5837134

  • SHA512

    f8ca205bc4eb6e7ce58a63118530855c8526318731c70cbfeddb42d3807b2a981996accbb42b3f97f375b7207c36820ddc6dc0f94003903ac93ee267ea8656a1

  • SSDEEP

    3072:0pO+fIbtl2FnCmj3cpYL9vyThhekT+2k/ZkGt2eWXEVXSDq9I6hvqAeiLEIX:mOXZ/maLekeZ/t2eWUViDqKceiDX

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 12 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\efa497ff9ba6832c9372612a7068c61d_JaffaCakes118.exe"
    1⤵
    • Modifies firewall policy service
    • Adds policy Run key to start application
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3672
    • C:\Windows\Sxc\svchost.exe
      "C:\Windows\Sxc\svchost.exe"
      2⤵
      • Modifies firewall policy service
      • Adds policy Run key to start application
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Sxc\svchost.exe

    Filesize

    221KB

    MD5

    efa497ff9ba6832c9372612a7068c61d

    SHA1

    a4cf74a22a0e765b9f4d9d3b7ab2bba6036be3e5

    SHA256

    d685d94417eb08db45f8c8a55d251fa2ffd29b76c85715fba6d072ddf5837134

    SHA512

    f8ca205bc4eb6e7ce58a63118530855c8526318731c70cbfeddb42d3807b2a981996accbb42b3f97f375b7207c36820ddc6dc0f94003903ac93ee267ea8656a1

  • memory/2012-4-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/3672-0-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/3672-3-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB