Analysis

  • max time kernel
    140s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 17:20

General

  • Target

    JaffaCakes118_8add3f2d8988b0005f48fdfe22926d09.exe

  • Size

    229KB

  • MD5

    8add3f2d8988b0005f48fdfe22926d09

  • SHA1

    724390c4adcd4a4c671b30005fa6d94c5dd868ab

  • SHA256

    0d145f4b55bc9ed62af577cb2c028e5583c4636362b411b4be93d73eedbb22cb

  • SHA512

    a4f12534c734ca3397963123c0eac1fbec601518f5796c0edb37281ee84683aba48dba9f69ace9aaf8d0c3c25455252ab2849537221aeeae7707530909014e31

  • SSDEEP

    6144:jHLMK+2vryRIRZ83IIMTMsEmq1dWjy4zXYGMMtH:jVz8YIp9Ey4jtD5

Malware Config

Signatures

  • 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.

  • UPX packed file 7 IoCs

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

  • 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\JaffaCakes118_8add3f2d8988b0005f48fdfe22926d09.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8add3f2d8988b0005f48fdfe22926d09.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:3040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    71KB

    MD5

    83142242e97b8953c386f988aa694e4a

    SHA1

    833ed12fc15b356136dcdd27c61a50f59c5c7d50

    SHA256

    d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

    SHA512

    bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

  • C:\Users\Admin\AppData\Local\Temp\Tar7640.tmp

    Filesize

    183KB

    MD5

    109cab5505f5e065b63d01361467a83b

    SHA1

    4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

    SHA256

    ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

    SHA512

    753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

  • memory/3040-0-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/3040-64-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/3040-67-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/3040-69-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/3040-70-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/3040-71-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB

  • memory/3040-76-0x0000000000400000-0x0000000000487000-memory.dmp

    Filesize

    540KB