Overview

overview

10

Static

static

c905175af1...9b.exe

windows7-x64

10

c905175af1...9b.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 03:50

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General

  • Target

    c905175af13ae804feba14d8983cf323da2bf44d6b6b391a82053b56bfafd79b.exe

  • Size

    2.1MB

  • MD5

    ad4cece2d4b96eca82238a14e1cb80c2

  • SHA1

    bf9c26ed312fa49e7699bf5c929516250d7840da

  • SHA256

    c905175af13ae804feba14d8983cf323da2bf44d6b6b391a82053b56bfafd79b

  • SHA512

    66d9859e2867f70b13857fd0899748e6357ce5a1f8d7ab8efb444480f2712e7a64619cf8d474ed799ae3696d273c3d28eb2fb586022c2d13deabb407a478ee9e

  • SSDEEP

    49152:DpXUpXXPiR40wNKxC9Y5lpuGIPQxMXj8iuF2QJ4O8b8ITDnlv1:GgxC9Y5lpuG8D

Score
10/10
persistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 58 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c905175af13ae804feba14d8983cf323da2bf44d6b6b391a82053b56bfafd79b.exe
    "C:\Users\Admin\AppData\Local\Temp\c905175af13ae804feba14d8983cf323da2bf44d6b6b391a82053b56bfafd79b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4740
    • C:\Users\Admin\AppData\Local\Temp\c905175af13ae804feba14d8983cf323da2bf44d6b6b391a82053b56bfafd79b.exe
      C:\Users\Admin\AppData\Local\Temp\c905175af13ae804feba14d8983cf323da2bf44d6b6b391a82053b56bfafd79b.exe
      2⤵
      • Modifies WinLogon for persistence
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5084
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c reg ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v WinIcons /t REG_SZ /d C:\Windows\system32\winicons.exe /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4304
        • C:\Windows\SysWOW64\reg.exe
          reg ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v WinIcons /t REG_SZ /d C:\Windows\system32\winicons.exe /f
          4⤵
          • Adds Run key to start application
          PID:1368
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1900
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2468
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2260

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2260-254-0x0000023360000000-0x0000023360004000-memory.dmp

    Filesize

    16KB

    Download

  • memory/2260-253-0x0000023360000000-0x0000023360004000-memory.dmp

    Filesize

    16KB

    Download

  • memory/2260-177-0x000002335DDC0000-0x000002335DDE0000-memory.dmp

    Filesize

    128KB

    Download

  • memory/2260-247-0x0000023360022000-0x0000023360025000-memory.dmp

    Filesize

    12KB

    Download

  • memory/2260-261-0x0000023360004000-0x0000023360007000-memory.dmp

    Filesize

    12KB

    Download

  • memory/2260-259-0x0000023360004000-0x0000023360007000-memory.dmp

    Filesize

    12KB

    Download

  • memory/2260-256-0x0000023360000000-0x0000023360004000-memory.dmp

    Filesize

    16KB

    Download

  • memory/2260-147-0x000002335E180000-0x000002335E188000-memory.dmp

    Filesize

    32KB

    Download

  • memory/2260-149-0x000002335EC00000-0x000002335ED00000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/2260-248-0x0000023360022000-0x0000023360025000-memory.dmp

    Filesize

    12KB

    Download

  • memory/2260-255-0x0000023360000000-0x0000023360004000-memory.dmp

    Filesize

    16KB

    Download

  • memory/2260-260-0x0000023360004000-0x0000023360007000-memory.dmp

    Filesize

    12KB

    Download

  • memory/2260-168-0x000002335EB80000-0x000002335EBA0000-memory.dmp

    Filesize

    128KB

    Download

  • memory/2260-250-0x0000023360022000-0x0000023360025000-memory.dmp

    Filesize

    12KB

    Download

  • memory/2260-249-0x0000023360022000-0x0000023360025000-memory.dmp

    Filesize

    12KB

    Download

  • memory/2260-252-0x0000023360000000-0x0000023360004000-memory.dmp

    Filesize

    16KB

    Download

  • memory/5084-134-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

    Download

  • memory/5084-135-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

    Download

  • memory/5084-139-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

    Download

  • memory/5084-138-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

    Download

  • memory/5084-133-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

    Download