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Analysis

  • max time kernel
    143s
  • max time network
    85s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19/10/2022, 21:50

General

  • Target

    bb32027455db8644ed900156bcad6bc93c3c87e591d55f6c7ba06296ac22d83e.exe

  • Size

    857KB

  • MD5

    90914ad58bb01561684e965eff2c8fa5

  • SHA1

    ccee18f015ad00e657771c9c3bd01ff6bccfd254

  • SHA256

    bb32027455db8644ed900156bcad6bc93c3c87e591d55f6c7ba06296ac22d83e

  • SHA512

    b67fd088c11208ca0923dc02be27909a9939d0970d79ea0da48eda4efe8483906a6cd7b53a4ad1c5b56f0eb98cf0478819dd0190c3bc88f7c1a00f98b8fb1c63

  • SSDEEP

    24576:LlBKEuMqGx2+0X9yv+KgKXn/B1AwbouL+v:LP3Xqftwv+c5awdKv

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb32027455db8644ed900156bcad6bc93c3c87e591d55f6c7ba06296ac22d83e.exe
    "C:\Users\Admin\AppData\Local\Temp\bb32027455db8644ed900156bcad6bc93c3c87e591d55f6c7ba06296ac22d83e.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:1184

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1184-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

    Filesize

    8KB

  • memory/1184-55-0x0000000000400000-0x0000000000A0C000-memory.dmp

    Filesize

    6.0MB

  • memory/1184-57-0x0000000000400000-0x0000000000A0C000-memory.dmp

    Filesize

    6.0MB

  • memory/1184-58-0x0000000000400000-0x0000000000A0C000-memory.dmp

    Filesize

    6.0MB