Analysis

  • max time kernel
    135s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2023 04:35

General

  • Target

    9a782d3f6800239cbaaf4d051e591583a3ff3f88e0ee7ddb47612d4524542bac.exe

  • Size

    1.9MB

  • MD5

    3fabb84033209a2e4e64f8bcd2fce402

  • SHA1

    5c03d4b2c9b87f7f66f34dcb8717df71554b5fd7

  • SHA256

    9a782d3f6800239cbaaf4d051e591583a3ff3f88e0ee7ddb47612d4524542bac

  • SHA512

    eee5481d1891ee64972501eccf0f07fdda5178a6cfadae036be6a9ac74c365dc66e971cb3036d7acac5872b8acbe8f69cf16ecc30e0f394c289b62df810897ec

  • SSDEEP

    49152:NhlbR+eMP/ij2JxPZfypY8/JSQfzkVRaDCVvrc:Nh+PC+xPZfypY8/boygjc

Score
6/10

Malware Config

Signatures

  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a782d3f6800239cbaaf4d051e591583a3ff3f88e0ee7ddb47612d4524542bac.exe
    "C:\Users\Admin\AppData\Local\Temp\9a782d3f6800239cbaaf4d051e591583a3ff3f88e0ee7ddb47612d4524542bac.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4228

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4228-133-0x0000000002590000-0x0000000002591000-memory.dmp
    Filesize

    4KB

  • memory/4228-135-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
    Filesize

    4KB

  • memory/4228-136-0x0000000000400000-0x0000000000704000-memory.dmp
    Filesize

    3.0MB