Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2024, 08:02

General

  • Target

    fed256e066711e4ef0dfbc41e0c7d42d_JaffaCakes118.exe

  • Size

    1.5MB

  • MD5

    fed256e066711e4ef0dfbc41e0c7d42d

  • SHA1

    eaef05090d7b887d30df550f81a38f1ec4732aeb

  • SHA256

    311483cda7b617aed110228716cf074739f87e7c2857867fc706332f651ce6e6

  • SHA512

    aff953621342a98253a3006195a09fea5c07117e9f4f4de4a953f243016d058b12370a5d3b39120007e26dc42209819273b4fabe6bebcdcc908bf49e5c7bbd6a

  • SSDEEP

    24576:/u9wLrslihzjNLkFC+sYoulAi5YQDfW6QYUJlnXIJYDfiiX4W:2acAvkFCBY1+LvuUrXHThX4

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 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\fed256e066711e4ef0dfbc41e0c7d42d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fed256e066711e4ef0dfbc41e0c7d42d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Users\Admin\AppData\Local\Temp\fed256e066711e4ef0dfbc41e0c7d42d_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fed256e066711e4ef0dfbc41e0c7d42d_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:768

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

    4d3a3fe99b89adcea8fad9701d8ff698

    SHA1

    3ce9173c33de850b4b22d8250b940b0f7e21b653

    SHA256

    8c0a140434237c418fc57c4c14cb33efb88fa64f0ea62451721e608787256301

    SHA512

    8922cb07fdf85788cded722f083672fdfc4d0041ed5580150a9730f1d15281b5bd2cdba9d5eb942165d2f3d37e33a86a9d023a7580d719bff2de07f9d41b9e70

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

    Filesize

    344B

    MD5

    d8efbddd879b57bdd8c942e1d25617b1

    SHA1

    fd9a92485202714fd5b3f94235b301f6a8d3ed4c

    SHA256

    ee2ab95903b7b6d6ed8b7088b84e7575220eac3a65c43053629724385e142df8

    SHA512

    d0f2cb9e63bac920300fe6fc968f306372cb5f7d2088beade09f89fd8350eae40b575e8354fa7b3943037da8213fca5a959f792dc21cd627617eda9e019d086a

  • C:\Users\Admin\AppData\Local\Temp\Cab23C8.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar23DB.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar2509.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\fed256e066711e4ef0dfbc41e0c7d42d_JaffaCakes118.exe

    Filesize

    1.5MB

    MD5

    d8690d8a5e09802f55a126e801c420be

    SHA1

    0e9531eb921864bf9001bc32853c88aaaf41f370

    SHA256

    9393aa9b938ce55499de61ea4411565802764e7dcdae3bf6b7d3351d01800316

    SHA512

    cee32ea928667e1a76253fec2bdc9d5d21052bf5e3b0c80169eb91c0972feb5951896db4512fd602f758e2b7a8d93afc3664252610b3558adcb5d075d17b6975

  • memory/768-17-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/768-24-0x0000000003410000-0x000000000363A000-memory.dmp

    Filesize

    2.2MB

  • memory/768-23-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/768-19-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/768-16-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/768-133-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2980-13-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2980-14-0x0000000003510000-0x00000000039FF000-memory.dmp

    Filesize

    4.9MB

  • memory/2980-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2980-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2980-1-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB