Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2024, 09:12

General

  • Target

    6a328f40e4feae39bb4eeee1d46bac8d_JaffaCakes118.exe

  • Size

    101KB

  • MD5

    6a328f40e4feae39bb4eeee1d46bac8d

  • SHA1

    2833a23a881cd866e61009b7927d0f4f8ee0677b

  • SHA256

    9ae2b38ec23ef014c426168ca0af28432e96e72e95aee8288df540a1dbdafde5

  • SHA512

    3ca6d443101c403f81b6e54986857b35746912533224021e3d30d0964789c658591a866eb6ff55a160021c83b9ca27c0b9024757a148b1ad1a789e3c3a32e69b

  • SSDEEP

    1536:0GYU/W2/HG6QMauSV3ixJHABLrmhH7i9CO+WHg7zRZICrWaGZh7J:0fU/WF6QMauSuiWNi9CO+WARJrWNZL

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a328f40e4feae39bb4eeee1d46bac8d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6a328f40e4feae39bb4eeee1d46bac8d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3868
    • C:\ProgramData\Update\wuauclt.exe
      "C:\ProgramData\Update\wuauclt.exe" /run
      2⤵
      • Executes dropped EXE
      PID:3780
    • C:\windows\SysWOW64\cmd.exe
      "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\6a328f40e4feae39bb4eeee1d46bac8d_JaffaCakes118.exe" >> NUL
      2⤵
        PID:2988
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3988 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:2852

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\ProgramData\Update\wuauclt.exe

              Filesize

              101KB

              MD5

              3da27334f2ed675476bbf0e2e263b87d

              SHA1

              739f9881339cff5d4f19110c8195db4bbc633cae

              SHA256

              32b17e92cf30e1e8d9fcabb1473d8e9f3bd1ea068d0ecec6355b66c352d38871

              SHA512

              ad326322875ffefe0aabacbef9e89eb35eda3d7a84248a114afbdee24be016ee7873c56bc1515e0ba5932a1933391b8cd3c9f2c42a374a98e766481d768b0e72

            • memory/3780-5-0x0000000000A20000-0x0000000000A3F000-memory.dmp

              Filesize

              124KB

            • memory/3780-7-0x0000000000A20000-0x0000000000A3F000-memory.dmp

              Filesize

              124KB

            • memory/3868-0-0x00000000002B0000-0x00000000002CF000-memory.dmp

              Filesize

              124KB

            • memory/3868-6-0x00000000002B0000-0x00000000002CF000-memory.dmp

              Filesize

              124KB

            • memory/3868-8-0x00000000002B0000-0x00000000002CF000-memory.dmp

              Filesize

              124KB