Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 16:36

General

  • Target

    fab8060ce15da0ff5c825a5ef4b1fc1a_JaffaCakes118.exe

  • Size

    328KB

  • MD5

    fab8060ce15da0ff5c825a5ef4b1fc1a

  • SHA1

    e69ab29a76e85b60190b12e052a1325e397c0f77

  • SHA256

    5a2df2d8673399be5a23cf6312f8aec770802c5177e105d2eca75a860df61924

  • SHA512

    f0b9ab15f29e09b95cdff1d4be7294c519e77d3a33e43b5d814b9d93d06ed16f7316e687c7b44c2606c245c8baa5121636a4e143aa8dc2a621bc2eaca39c9065

  • SSDEEP

    6144:ycMedZ3FTDSm9PXfrtVNgzSdVr3gRGPKuSUzzjtGF3f8j0nNr3iCwHad6mvp9kp:f9Z3FTDx9PP51T3dPNzjcxvr3iC/6s/4

Malware Config

Signatures

  • UPX packed file 3 IoCs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fab8060ce15da0ff5c825a5ef4b1fc1a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fab8060ce15da0ff5c825a5ef4b1fc1a_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2872

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\Local\Temp\Tar1DF3.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/2872-0-0x0000000000400000-0x00000000004BC000-memory.dmp
    Filesize

    752KB

  • memory/2872-65-0x0000000000400000-0x00000000004BC000-memory.dmp
    Filesize

    752KB

  • memory/2872-71-0x0000000000400000-0x00000000004BC000-memory.dmp
    Filesize

    752KB