Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2022 18:00

General

  • Target

    903c6a71d2805be4673824017bdea8af89f9a2cf0a8b749dfd7397e622ffdfbe.exe

  • Size

    174KB

  • MD5

    e2bb9debf33967fdbdcf4d77f7bd268b

  • SHA1

    37e6cd4aa8e60d7ce7dae8d28823c5cc069e7e20

  • SHA256

    903c6a71d2805be4673824017bdea8af89f9a2cf0a8b749dfd7397e622ffdfbe

  • SHA512

    ff85238a2eeff28a7f34cd0d58a13e40aed46966bd97778281d8dc53ff6a0d7379172f0d44a1c45177ad14b2d4255720c33d79a1f73cb5c8c9ac9299819f3caf

  • SSDEEP

    3072:/3E3I2uOiBgsvKLqDHEFwKSxTjYnNG8CmmG4tcb90UuhU89di1cFR8:/U3Bu7KsjHEF/CTYG8CmmG4o0U0bi6FR

Score
7/10

Malware Config

Signatures

  • Unexpected DNS network traffic destination 64 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\903c6a71d2805be4673824017bdea8af89f9a2cf0a8b749dfd7397e622ffdfbe.exe
    "C:\Users\Admin\AppData\Local\Temp\903c6a71d2805be4673824017bdea8af89f9a2cf0a8b749dfd7397e622ffdfbe.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2144

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2144-132-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/2144-133-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/2144-134-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB