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
    18/08/2024, 02:11

General

  • Target

    a4fd75a966b9e23a210fbff83f82eab4_JaffaCakes118.exe

  • Size

    63KB

  • MD5

    a4fd75a966b9e23a210fbff83f82eab4

  • SHA1

    efbbd2c1c1c962f67fab99d16759a3f9d527f918

  • SHA256

    6fe923444a10317d95827a89e41ce5844aaec7b9a68d70031f6d87fdb2b3c5ec

  • SHA512

    83ba0cae4006f824c01afb143dad7c1c38060a3b77ceb260ed943a14cf41ac41958aa196350914053922c037db05f8a80d4cfc620e7de7f5b242978a485dd7ed

  • SSDEEP

    1536:V3cpyORJLuB4P4AJJv4Romu/h8IxLz9ifL9diqFJ:V3c1fP4AJJv45E8IxLzk9EA

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 11 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Program Files directory 5 IoCs
  • 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 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\a4fd75a966b9e23a210fbff83f82eab4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a4fd75a966b9e23a210fbff83f82eab4_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
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3284
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft11\Internet Explorar" +s
      2⤵
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:4668
    • 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:2200

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Microsoft11\Internet Explorar\Desktop.ini

    Filesize

    75B

    MD5

    254a842845d5fe636a018ed64927573f

    SHA1

    405c601e91dbd53febdca03e5ccc1fd1b03107be

    SHA256

    bc4eaf790a990a2dbb8460775c257f603d2303a7ab282dd5f405264af202282c

    SHA512

    e817292fe07e880cd21e1cba72d4fec097fab51f21012a891bad6be6d43da8573a2ecc881a9c9c6a01dc421b55eb4734a79803899e51234ff4bd4c2a4a8a8acf

  • C:\Program Files (x86)\Microsoft11\Internet Explorar\target.lnk

    Filesize

    1KB

    MD5

    b181696901ba09a5db5d1efeeb75d823

    SHA1

    ffe2d7e74753c98e56b3d1bbf15b26922266bce8

    SHA256

    48dcac6e932ca57e821a716cdfef9dbe6e1e06e7d4e648b5217bd26e8f83d518

    SHA512

    dbcf72efe9e66ce0453722d414c859a931e909121309df45732b498f5adbb5bf731f2647f371a1f94dfa1a7c94adf3e54afb13e6af4701a90f6b3f961e9ff263

  • C:\Users\Admin\AppData\Local\Temp\nsdCD93.tmp\AccessControl.dll

    Filesize

    10KB

    MD5

    055f4f9260e07fc83f71877cbb7f4fad

    SHA1

    a245131af1a182de99bd74af9ff1fab17977a72f

    SHA256

    4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

    SHA512

    a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

  • C:\Users\Admin\AppData\Local\Temp\nsdCD93.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

    937e9845bc3c6ed9a8e310b1bd8639cb

    SHA1

    5c01ec18c3edf52526ba700898e73c585d5ad53a

    SHA256

    00b8a1c4fbb91bb0c8769c9d394e338aeedd643cc560f4b25e5a7b9318032e02

    SHA512

    ae1e3ad6b81bda737a66d58b7a202611faf00d58143af7615a8c0e875738fce9162fdf6771bcc6295dcab7c41f7d1e3ea5229dbf596684b9f9888939e3ae962b

  • C:\Users\Public\Desktop\Internet Explorar.of

    Filesize

    4KB

    MD5

    7ff42a6ba54f32ed8a3fb3819da99d9b

    SHA1

    517eb0b561428f9bde8cd95f7b91dba0666700a6

    SHA256

    a1c0dbad4d2d06dd1d8eb1c79f5c81c95fe0c50ab5444145e66924b38774113e

    SHA512

    aede341d82473dbe0da2eb2779ceca32a44e752f5f37ce8c9f3b014d38f6246ab529a89da1e9a553c43facb42d21c7c5be26f289bc6a088a7a44c78128d7decc

  • C:\Users\Public\Desktop\ÌÔ ±¦ Íø ¹º.lnk

    Filesize

    1010B

    MD5

    0241624317d179d69afaf8bdd85e6603

    SHA1

    293e70e2d3ef82aeaafb1edf0f4811290c8e10e6

    SHA256

    3808e5ceae259f656b45361840daecff6c0e753a2e03cc490d7ce550ffb8b56f

    SHA512

    806b249b8dc3d6865b96b5a63f1e0b74e2b783a2d58151ceadf5d3b53f66da666300bbde1c8c48a6b26d8c0e98ed60f4b50429b9770b251a34e91082dc2e0aab