Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-09-2024 14:20

General

  • Target

    feb4eb172ec53c655713f0d2fafd0903_JaffaCakes118.exe

  • Size

    8KB

  • MD5

    feb4eb172ec53c655713f0d2fafd0903

  • SHA1

    d43af5ef0fe7bd6d1a282272efb8ad8e5477f476

  • SHA256

    fc0b7ccf36da717b2588b3661d0c2100b2c035346173161bc28b0d49646fc18b

  • SHA512

    962fc7a9203687bce7defa8a6a1642eb199719c8030fc0638722b0ec2d16234601e82388a989ac34a1506ff36a923a37f67487f54693d07aeb44774d3a2c4fdf

  • SSDEEP

    192:d5ERMpv25+9IXzXYFaNJhLkwcud2DH9VwGfctlXO:mg25VDXsaNJawcudoD7Uy

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\feb4eb172ec53c655713f0d2fafd0903_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\feb4eb172ec53c655713f0d2fafd0903_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Users\Admin\AppData\Local\Temp\6F06.tmp\b2e.exe
      "C:\Users\Admin\AppData\Local\Temp\6F06.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\6F06.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\feb4eb172ec53c655713f0d2fafd0903_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1916
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\705D.tmp\batchfile.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3120

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\6F06.tmp\b2e.exe

    Filesize

    8KB

    MD5

    cc9b3dd95489ada846ec9466336836c8

    SHA1

    72ccfb533ab5505ac19f33ddd3347097e1f63a5d

    SHA256

    a596ebaa75ff3c6f4185c4e1b8756ad69a3e9146088803fb9cffb9bd28e0d415

    SHA512

    ba4a6173aaf9644020c6f6bb2bc5aefbd70e120dbb186416c4b9f2d121a1fe8550212ecac4f632509c1acded2cf8888c41353e56ef77decc5da96102cdf18d6a

  • C:\Users\Admin\AppData\Local\Temp\705D.tmp\batchfile.bat

    Filesize

    41B

    MD5

    06752ff7fc84f776efa4c4ef2d1d121d

    SHA1

    e52f4a4e33059a4bedbc459949645ce751fa1959

    SHA256

    b23d020816ada654d2969346e0c7c20e84607c94e0af9b09899cf5bb39a33c57

    SHA512

    6c338107baaad30fa7d0274a4000eddf2d6bba567cd78661a10d97b81954d93ffeb7f2eb88f65a7fe351924bbd0f96d567fdf17f92c260cb6b020b9949dc4bbb

  • memory/1916-8-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/1916-16-0x0000000000400000-0x0000000000405000-memory.dmp

    Filesize

    20KB

  • memory/4936-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/4936-11-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB