Overview

overview

6

Static

static

6d106c3670...3b.exe

windows7-x64

6

6d106c3670...3b.exe

windows10-2004-x64

6

Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 17:09

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General

  • Target

    6d106c36704835687cddd1120df1af43233cb6711ca8b2c9b87f1eff21f4453b.exe

  • Size

    852KB

  • MD5

    34a3a9435b039a08eff4e307de55b00e

  • SHA1

    47615a974026d8b6f25abd3fa6a1ff4fafeaa30f

  • SHA256

    6d106c36704835687cddd1120df1af43233cb6711ca8b2c9b87f1eff21f4453b

  • SHA512

    4caacc50e04f72c87fa419018cea547aed5f5e09a0f2dd9d695de01788d8c91ee27193421a53c4c0c9482930a2f50ec7a3b80df2a803cf37071d27ae375297ea

  • SSDEEP

    24576:RxjIAZ53US3qwD96QBPlj90u9bExjRGBAUN1zsr6:RtLZ5kQ6MD9wxjRGBtsr6

Score
6/10
bootkitpersistence

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 22 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.

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6d106c36704835687cddd1120df1af43233cb6711ca8b2c9b87f1eff21f4453b.exe
    "C:\Users\Admin\AppData\Local\Temp\6d106c36704835687cddd1120df1af43233cb6711ca8b2c9b87f1eff21f4453b.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:808
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:4688
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:3300
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:812
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:2020
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1140
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:228
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:204
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:512

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/808-132-0x0000000000400000-0x0000000000A28000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/808-134-0x0000000002800000-0x0000000002808000-memory.dmp

    Filesize

    32KB

    Download

  • memory/808-135-0x0000000000400000-0x0000000000A28000-memory.dmp

    Filesize

    6.2MB

    Download

  • memory/808-136-0x0000000000400000-0x0000000000A28000-memory.dmp

    Filesize

    6.2MB

    Download