Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/09/2024, 01:25

General

  • Target

    e16e10db81e229a877e09ffe1cd0c366_JaffaCakes118.exe

  • Size

    54KB

  • MD5

    e16e10db81e229a877e09ffe1cd0c366

  • SHA1

    e51796fe2df438fa6ce00fd152116a088025627b

  • SHA256

    d2e03b57b7b1e8e1b01f1d801948eb322d77ad55c5ad28788b7c8dccde4037f3

  • SHA512

    989f10a4745165c01001843bd70c51394ccf2759359cea718d1a88074ea74230cfd3f5e8e42badbc1ad80a8d9cef2fa15456627980509808d519aa7b5e5fbbab

  • SSDEEP

    768:Oe3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJapg4RoSMZeUZB/11UIC5ifKJWsZ7:V3cpyORJLuB4P4AJJv4Romu//fC598w

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Drops desktop.ini file(s) 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • 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.

  • Modifies registry class 9 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e16e10db81e229a877e09ffe1cd0c366_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e16e10db81e229a877e09ffe1cd0c366_JaffaCakes118.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Checks computer location settings
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:116
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\Internat Explorar" +s
      2⤵
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:4388
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4640

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\nsj9CBF.tmp\System.dll

          Filesize

          11KB

          MD5

          00a0194c20ee912257df53bfe258ee4a

          SHA1

          d7b4e319bc5119024690dc8230b9cc919b1b86b2

          SHA256

          dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

          SHA512

          3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

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

          Filesize

          214B

          MD5

          5dba2a16a8c52b9427d2fa626531c6a1

          SHA1

          e022e839c53ea63ee87325d57f90348730c8b5d2

          SHA256

          4c82bafa7e682a33fd59a8a8e60b35ead4ed4789597dffd2920fb70efe9eff05

          SHA512

          fad5dfc7005170b52f70fe4ca3a54b77503a048d2a70b1f9ff08e17f55c7d47ae1b9de1a60922ceef07c439e455328aa890ec822deb3822c0007f1be0795e741