Analysis

  • max time kernel
    140s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 17:52

General

  • Target

    325fcf550cf072157b71a665e46b13de.exe

  • Size

    327KB

  • MD5

    325fcf550cf072157b71a665e46b13de

  • SHA1

    4af11b3be88c4eac731482420ac56e58941cd52c

  • SHA256

    6afdb8e30b9482d3ccec4d4e87f9825fcba6a09c3ad277a7fc4ea31db98691da

  • SHA512

    a514b0ea1ea9ef0bc94a63de0ffd0503ffa24e76568a606f51086f87245843c77cea243678ee84570464e86c4da3456902a40ca8e873d024821e6ce11549d819

  • SSDEEP

    6144:vsDxB60n6x8LGV7xBuXN5mx+BLIEw9/H4DUGau4p4lux7S6pWwkvxmZPlqAxXBpg:v+gedQ+dIT/MOu4pkuWxwgAxXbWk0

Malware Config

Signatures

  • UPX packed file 4 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
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\325fcf550cf072157b71a665e46b13de.exe
    "C:\Users\Admin\AppData\Local\Temp\325fcf550cf072157b71a665e46b13de.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:2144

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab17E6.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar17F9.tmp

    Filesize

    96KB

    MD5

    325a9f52a337369bbb3667d454dc0a16

    SHA1

    a3c1a8a5717c8a4405f3445ff6cb5dfbb142b60f

    SHA256

    f37973712d0aaec9621964d877e7ccafdce6eb9c725d02fae5c43d40eb5a9c8b

    SHA512

    8eec509108c221ed9fda02ca0548e8a66b2f0f0dd35361cf17903930be52c6abeb1f9d86811f5817c2aa3abca1474e6e3212b51405a2cb4d6ee68e3539dfe8af

  • memory/2144-0-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2144-61-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2144-67-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/2144-68-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB