Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2023, 12:33

General

  • Target

    ????????(AS SSD Benchmark) V207316 ?????_3715866488.exe

  • Size

    6.7MB

  • MD5

    65c6c55ff7a297cb8038ed701d6cdef1

  • SHA1

    70bc9fabbc72224d3ad5ad54211e2e6865aefc9c

  • SHA256

    8f1d957803f3501d26f385df4f2f92408b9bd1cbf825ac7bce3584a495253486

  • SHA512

    80521a7a5592d6bd52187af31c6a293802a7d654308ec0f3aab234e3e0df294b7439d510973bc8db5ea85bb1a80e5532fdbcf9f75e401935046441065ab1dac6

  • SSDEEP

    98304:2TOYcpeE6kT/hh5UhamPSzGOljFbY/qAt8Z06Sgn6W9BO+xmLaGDaQHmm/z:moehkKhhaz/lBbY/qAtifSZOt8aeb

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • 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 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of FindShellTrayWindow 49 IoCs
  • Suspicious use of SendNotifyMessage 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\________(AS SSD Benchmark) V207316 ______3715866488.exe
    "C:\Users\Admin\AppData\Local\Temp\________(AS SSD Benchmark) V207316 ______3715866488.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1732-0-0x0000000003770000-0x0000000003771000-memory.dmp

    Filesize

    4KB

  • memory/1732-1-0x0000000003780000-0x0000000003781000-memory.dmp

    Filesize

    4KB

  • memory/1732-2-0x0000000000AB0000-0x0000000001629000-memory.dmp

    Filesize

    11.5MB

  • memory/1732-3-0x0000000003790000-0x0000000003791000-memory.dmp

    Filesize

    4KB

  • memory/1732-4-0x00000000037C0000-0x00000000037C1000-memory.dmp

    Filesize

    4KB

  • memory/1732-5-0x00000000037D0000-0x00000000037D1000-memory.dmp

    Filesize

    4KB

  • memory/1732-6-0x00000000038F0000-0x00000000038F1000-memory.dmp

    Filesize

    4KB

  • memory/1732-8-0x0000000003900000-0x0000000003901000-memory.dmp

    Filesize

    4KB

  • memory/1732-13-0x0000000077062000-0x0000000077063000-memory.dmp

    Filesize

    4KB

  • memory/1732-12-0x0000000076FA0000-0x0000000076FB0000-memory.dmp

    Filesize

    64KB

  • memory/1732-14-0x0000000076FA0000-0x0000000076FB0000-memory.dmp

    Filesize

    64KB

  • memory/1732-28-0x0000000000AB0000-0x0000000001629000-memory.dmp

    Filesize

    11.5MB

  • memory/1732-29-0x0000000077062000-0x0000000077063000-memory.dmp

    Filesize

    4KB