Overview

overview

8

Static

static

8

1495a59a23...5b.exe

windows7_x64

8

1495a59a23...5b.exe

windows10_x64

8

Analysis

  • max time kernel
    61s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:28

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General

  • Target
    1495a59a2300245b0c8cfdfe2e467de7f79a4d287e10e9119a96cdac0a1b7c5b.exe
  • Size 2.6MB
  • Sample201109-avkylrqpfe
  • SHA256 1495a59a2300245b0c8cfdfe2e467de7f79a4d287e10e9119a96cdac0a1b7c5b
  • MD5 SHA1 SHA512
Score
8/10
bootkitpersistenceupx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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
  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1495a59a2300245b0c8cfdfe2e467de7f79a4d287e10e9119a96cdac0a1b7c5b.exe
    "C:\Users\Admin\AppData\Local\Temp\1495a59a2300245b0c8cfdfe2e467de7f79a4d287e10e9119a96cdac0a1b7c5b.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Users\Admin\AppData\Local\Temp\×Ô¶¯Éý¼¶.exe
      C:\Users\Admin\AppData\Local\Temp\×Ô¶¯Éý¼¶.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3288
      • C:\Windows\SysWOW64\Taskkill.exe
        Taskkill /f /im ´óÏÉÊÓƵÏÂÔع¤¾ß.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4072

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        memory/3408-0-0x0000000010000000-0x000000001003E000-memory.dmp
        Download

        memory/3408-1-0x0000000010000000-0x000000001003E000-memory.dmp
        Download