Analysis

  • max time kernel
    140s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 02:51

General

  • Target

    b1d9da719de07b0e994988ca4813166d_JaffaCakes118.exe

  • Size

    228KB

  • MD5

    b1d9da719de07b0e994988ca4813166d

  • SHA1

    5038dc874e7a093926f04040a78ee3be7f48eadb

  • SHA256

    971f487217c3b4909d28a3436fb7c8aa6ae9585e8e227fdf17430bd603ae8d1c

  • SHA512

    4a05d0615cd3291193f43f2e7e0ebb03b658ecbfbc092bf26f887b2f3319ac9d249a4b3246c2fb0c9c831a4d0ed11c6456596565208484dc8e60258f39f1df2f

  • SSDEEP

    6144:x4Q9x2N2h74vSmC/eakYkJ9afR+9ge1LisQOcNeSVpK3aFYNqHjkr:SQn+vSbkYkqfRNe1LiN/bVp7mqHj0

Malware Config

Signatures

  • UPX packed file 5 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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1d9da719de07b0e994988ca4813166d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b1d9da719de07b0e994988ca4813166d_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab49A0.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar4A10.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2552-0-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/2552-61-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/2552-62-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/2552-68-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/2552-74-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB