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Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    20/04/2024, 00:15

General

  • Target

    fb7c96dd63cb3b674b30aec0c5636d08_JaffaCakes118.exe

  • Size

    2.9MB

  • MD5

    fb7c96dd63cb3b674b30aec0c5636d08

  • SHA1

    f500594e28d71b11170a45381d2f7fc0fb4d75db

  • SHA256

    87bbfa9489a5142a4b7cb0ef73477896446567df9dd2b2e1c2fa7047cdc5d1a1

  • SHA512

    0a9bc959164a772b56ff044edde7e7d059b6c064bdde20dadecd94488bcadc18b46be1c618f67210c04c683ccd5550509413a9ffe6c102953c0043b568eb17c0

  • SSDEEP

    49152:KACkrydH/9AQDYUR47V1PRBnm22ZIEr+1HjZ2KQXQVIDJj:XihkrPRBnyxi1DZ2K6QVIF

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb7c96dd63cb3b674b30aec0c5636d08_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb7c96dd63cb3b674b30aec0c5636d08_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Local\Temp\fb7c96dd63cb3b674b30aec0c5636d08_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fb7c96dd63cb3b674b30aec0c5636d08_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    3b60787b57839e8458af82875d77760a

    SHA1

    2c64d6ce20814cede8a87b26d807aa145c0e5e0f

    SHA256

    a204cd429ce8ec992185e0063278f30c1fbf8c21edc45a075f62b57d58329159

    SHA512

    31abf2e677b1f6daec370b1f40c805efdd229f8988af0e006d068e70b3b6cd87c0e554d2bff486b9873da2481465eb7747fac6ca681472d16ac9dfeb6c6aa38f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    9187963b32cecdf1bf22c7174a1508d4

    SHA1

    ad4cb024f4b118ad9fa03e3d6d782eca39d69c44

    SHA256

    443b4e849b3f052adbaecf6d0a2cab0fe45f2e2ee0de32d85e3f1d9b7e7b4e7c

    SHA512

    29039543d606c93bde42534ea9794a0c244a3156e198156bee99e6e01caa0a2d8518a2326240a1a17565ab7d31158491618f3a46e9b0acd41301ae05c2b17680

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    6b54eee1c59f435da0331f6da5000e17

    SHA1

    1cdc5f9a1860b346f29f0c5b1d2adb90fe28e93b

    SHA256

    0c56c7d1d458b959a0920d89796f4037ddda75cd643fe4e4de88b62a4255f59a

    SHA512

    2184d83661ff6ff70142d7f8e265ec1dd4bd41d0b201d96ae57dddf549f6b5fc4ec5e0308e7545fb4d77c49359f5492becd3c13a3e47d358884b5059f1483810

  • C:\Users\Admin\AppData\Local\Temp\Tar3123.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\fb7c96dd63cb3b674b30aec0c5636d08_JaffaCakes118.exe

    Filesize

    2.9MB

    MD5

    823db5a27bae09837323299be084a357

    SHA1

    55d490fd1d178dc2b3a30a020f90ad4647f97caa

    SHA256

    4bf75c7fe3fbf1af0bbd1b631ca254aeb1475c45184f83150e6d749fc240fa0b

    SHA512

    eb404a1d7a6fa490ba368a31d92ec2ed6efea4564cadd2794acee15bfc968d07936184287cd825a9e3408ff92781748ebd1266a6f0e36178d7717f30b3eabc17

  • memory/2364-14-0x00000000037F0000-0x0000000003CDF000-memory.dmp

    Filesize

    4.9MB

  • memory/2364-13-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2364-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2364-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2364-1-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2364-169-0x00000000037F0000-0x0000000003CDF000-memory.dmp

    Filesize

    4.9MB

  • memory/2808-19-0x0000000000290000-0x00000000003C3000-memory.dmp

    Filesize

    1.2MB

  • memory/2808-24-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/2808-23-0x0000000003520000-0x000000000374A000-memory.dmp

    Filesize

    2.2MB

  • memory/2808-16-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2808-17-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2808-170-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB