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Analysis

  • max time kernel
    120s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/04/2024, 22:22

General

  • Target

    f8e006cd0a4c8b8e97a2dd1f702b02f1_JaffaCakes118.exe

  • Size

    2.9MB

  • MD5

    f8e006cd0a4c8b8e97a2dd1f702b02f1

  • SHA1

    c7302f55e780bc58c237660e91be397d78210f87

  • SHA256

    d2ac129674994e0bab0f944da5fe20287d68f47918e2487b2dc266fddd47f944

  • SHA512

    4ceebf50c451cf3c739755817c5e82355f21ebf83e96cb95dca5384b31e35d1e3bda0e53377d17c6cacdae1f8004258a7d828ef65f479b5b04840006c6c67699

  • SSDEEP

    49152:VO6ipogn1BwvHdawG5N74NH5HUyNRcUsCVOzetdZJ:Vri3O9e54HBUCczzM3

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 6 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\f8e006cd0a4c8b8e97a2dd1f702b02f1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f8e006cd0a4c8b8e97a2dd1f702b02f1_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\f8e006cd0a4c8b8e97a2dd1f702b02f1_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f8e006cd0a4c8b8e97a2dd1f702b02f1_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2060

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\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    9c68a69e97231041fa2c305606ee27cd

    SHA1

    556756223bd1b4a425100d8a3f7bf9bf4ff5e2db

    SHA256

    6539098ed05fa9e0e1b8f453c48a829adac6ebee5aaa023c5144fa0d851291e8

    SHA512

    c6d5133ccfed81dff27f9d0e20c2ed19189fd3c990ba17676f475f4f91d6dd4fe40a9f67c54871bf852ff5d0f9c3e4bb7baa578a53f83dac2f722d0322d3e500

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

    Filesize

    344B

    MD5

    2c4def8576a8cfa5548f0a6e23eb74e3

    SHA1

    63f3da722c34f9a715a99f89a90702b9d814cb9e

    SHA256

    e74d171df2efc420aa3d5f69a3b56f41d914fe7fbb6f94a10295f76305ffd72a

    SHA512

    4a382f90dc457d2d597807032376a1942403a05446856d9534a7e20e4b6d6e7f499a9b9926076d0c75bfba17f34199d18df82d4bc0ffae7ae696aa9038b1b5f3

  • C:\Users\Admin\AppData\Local\Temp\Cab671E.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar6750.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar689E.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • C:\Users\Admin\AppData\Local\Temp\f8e006cd0a4c8b8e97a2dd1f702b02f1_JaffaCakes118.exe

    Filesize

    2.9MB

    MD5

    9259ec9e1e3d4e3c7d171b6899ecc8ee

    SHA1

    7110baf43c90ce46fcc05dcb9bb4e65c5929890b

    SHA256

    5f78a4f155918cae661633264e2852cae9ac63d9ddd97fe39d4630d809ebf36a

    SHA512

    040637592fde2bad1a4623fde71a2ed9c4a8f266adf254d30892a11d51fc062aea53f962eb2335b4158ef7dcc8da34f603591cba7838fafb70dd117f8ffd29d7

  • memory/2060-16-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2060-18-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2060-23-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/2060-25-0x0000000003410000-0x000000000363A000-memory.dmp

    Filesize

    2.2MB

  • memory/2060-17-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2060-134-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2492-15-0x00000000037F0000-0x0000000003CDF000-memory.dmp

    Filesize

    4.9MB

  • memory/2492-1-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2492-14-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-3-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2492-0-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2492-133-0x00000000037F0000-0x0000000003CDF000-memory.dmp

    Filesize

    4.9MB