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Analysis

  • max time kernel
    140s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05/07/2024, 23:12

General

  • Target

    2731dd0464c853bda38545dabb43c6f5_JaffaCakes118.exe

  • Size

    265KB

  • MD5

    2731dd0464c853bda38545dabb43c6f5

  • SHA1

    35a1b783c1f91fd623a2bffd2b7ac2c3b3d854a3

  • SHA256

    1eadef5423699846ccdca68436f668efb098f5f6c8183c90bb98ea9a5602ad12

  • SHA512

    b901e3b80de30639a01bf8b4c2a3e5e94591cda52494fbeaacb4cc1db1e1d8da05459b35428ba0234f57d3fc450eb6ec85a5af0f73fb7c18f7462afd5a757907

  • SSDEEP

    6144:0rYSdtbY0tBzTXlbIVWCCHiZkB5yUHv2b/0uIQ+aAJZR61SB:0U2tM0tBzzR6Wv+kB5yUeD0uIF/B6y

Malware Config

Signatures

  • UPX packed file 3 IoCs

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

  • 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\2731dd0464c853bda38545dabb43c6f5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2731dd0464c853bda38545dabb43c6f5_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:1984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar177E.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1984-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

  • memory/1984-65-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

  • memory/1984-71-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB