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Analysis

  • max time kernel
    140s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/02/2025, 11:59

General

  • Target

    JaffaCakes118_cf108789393b170db8999fa775c39e85.exe

  • Size

    241KB

  • MD5

    cf108789393b170db8999fa775c39e85

  • SHA1

    52d2de90a706ca49a7fb5f4202a7113d771ecd08

  • SHA256

    261445f1a68089e8bd6dcb55b7b4ee10ffd501abe553c59c513021e8b31b0d85

  • SHA512

    23d62bab80cef7b1a1a3c4a38af9bfbf579a6bd2f801b748c3e98fc1fb7461db558a9e2ff5a0648e088a65e12656651a1921c276163d31f255e21fb017d21632

  • SSDEEP

    6144:7keENDvTSn2SV/GuhYdViC7X57+nML0IZ8KjGC:7NEND/k/GLPX57+niZ8JC

Malware Config

Signatures

  • Downloads MZ/PE file 1 IoCs
  • 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 5 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 2 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cf108789393b170db8999fa775c39e85.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cf108789393b170db8999fa775c39e85.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:2932
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7M0Y4Q0ZERDctRkNDOS00RkM3LTlDODEtREMzNDI4QkEyNTU2fSIgdXNlcmlkPSJ7MjU5MEEwNkItMjg0RS00MTE4LTkyOEItREQzOUFGQjRDRDgzfSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7NjhFOUY3MTQtQjQ1OC00NjEzLUI0QUUtNzE1Qzc3NUUyODRDfSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDQ5MjgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxNzQzMjM4OTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODgyNTYwNDgxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:4480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2932-0-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/2932-11-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/2932-14-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/2932-18-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/2932-20-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB