Overview

overview

5

Static

static

perfectly_safe.jpg

windows10-2004-x64

5

Analysis

  • max time kernel
    68s
  • max time network
    74s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2022 20:38

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General

  • Target

    perfectly_safe.jpg

  • Size

    299KB

  • MD5

    f02f08dd3190eb4caf8b7bf8066c329f

  • SHA1

    9b315f2d222c83dc7aec7d4715a5d65a2e27fe0b

  • SHA256

    831e6c4d7466884a0dd9000da17b1a954eb42d44efb7aff45a33d29b4c044f45

  • SHA512

    1300266f99c4112484dd11f289583ad9f45bd6a9dc3e506500060123435d4ed552ace6deb46aeb79696e71c527f3abeb4179bbcac9b5923d9da73df4442e8c37

  • SSDEEP

    6144:AF8t1IoeNouHJQbRlQInIZiFSTZKraMzNkzuPMDckqfDXzlcWz0Rk:A/okGb6ZikdKrtNxEgBfDZnz0m

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 11 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\perfectly_safe.jpg
    1⤵
      PID:2364
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:2124
      • C:\Windows\system32\mspaint.exe
        "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\perfectly_safe.jpg" /ForceBootstrapPaint3D
        1⤵
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:4644
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s DsSvc
        1⤵
        • Drops file in System32 directory
        PID:4700
      • C:\Windows\system32\OpenWith.exe
        C:\Windows\system32\OpenWith.exe -Embedding
        1⤵
        • Suspicious use of SetWindowsHookEx
        PID:924
      • C:\Windows\system32\mspaint.exe
        "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\perfectly_safe.jpg"
        1⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1012
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
        1⤵
          PID:5104

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Initial Access

        Execution

        Persistence

        Privilege Escalation

        Defense Evasion

        Credential Access

        Discovery

        System Information Discovery

        1
        T1082

        Lateral Movement

        Collection

        Exfiltration

        Command and Control

        Impact

        Replay Monitor

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        Downloads

        • memory/4700-132-0x0000022F73560000-0x0000022F73570000-memory.dmp
          Filesize

          64KB

          Download
        • memory/4700-133-0x0000022F735A0000-0x0000022F735B0000-memory.dmp
          Filesize

          64KB

          Download