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Analysis

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

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/08/2024, 07:30

General

  • Target

    ae59ea815b0a91ce62850245b7343136_JaffaCakes118.exe

  • Size

    55KB

  • MD5

    ae59ea815b0a91ce62850245b7343136

  • SHA1

    26ad46bf98100d493677e34c33850efaa90d69cd

  • SHA256

    970069248b8d566b6a512896faf731267daa5d5aba32a92834a48ad106e2cf10

  • SHA512

    6096d458431e439c022af6cc702adeb9ead902a89aa61dce9a01a7e1fa4f78d28c6c487d088e7a7544d106691daf64fd6f34b6e6407bd98565ceb20a205bc4fe

  • SSDEEP

    768:Oe3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJapg4RoSMZeUZB/sLJeaGSZH+w/NO:V3cpyORJLuB4P4AJJv4Romu/uJZH3NO

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\ae59ea815b0a91ce62850245b7343136_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ae59ea815b0a91ce62850245b7343136_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:516
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\ie13\Internat Explorer" +s
      2⤵
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:1416
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsi81D4.tmp\System.dll

    Filesize

    11KB

    MD5

    00a0194c20ee912257df53bfe258ee4a

    SHA1

    d7b4e319bc5119024690dc8230b9cc919b1b86b2

    SHA256

    dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

    SHA512

    3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

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

    Filesize

    214B

    MD5

    e6b7fbb24a921d5b63ba4641a8c0626c

    SHA1

    102bfe8b9c1ec512e863764f5fe8a593293c0718

    SHA256

    13463e2a2a1b4775d5ab678fd06c8dcc8baa84f67116d568354df15bdccd1a4b

    SHA512

    c08e53dbbb4341a1d62bbdd6de5634f5ac129ce211c265d455f6927805d78e12dc89fef8ee6dc85ce5f050692e24ff54dad2dbed0f5f59ba1d4c5195dfbea213