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Analysis Report ryuk.ps1

Overview

General Information

Sample Name:ryuk.ps1
MD5:a663b757fdb8cb6a7c5a4d024f07a603
SHA1:c6714be4b84a42d894c54e0e89457717fa968701
SHA256:62135952cbbac1dbd5f537e2cae4e4878884bc5703f4575e856cd05d85b4fed3

Most interesting Screenshot:

Detection

Score:48
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Malicious sample detected (through community Yara rule)
Contains long sleeps (>= 3 min)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
May sleep (evasive loops) to hinder dynamic analysis
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Yara signature match

Classification

Startup

  • System is w10x64
  • powershell.exe (PID: 956 cmdline: 'C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe' -noLogo -ExecutionPolicy unrestricted -file 'C:\Users\user\Desktop\ryuk.ps1' MD5: 95000560239032BC68B4C2FDFCDEF913)
    • conhost.exe (PID: 2808 cmdline: C:\Windows\system32\conhost.exe 0xffffffff -ForceV1 MD5: EA777DEEA782E8B4D7C7C33BBF8A4496)
  • cleanup

Malware Configuration

No configs have been found

Yara Overview

Initial Sample

SourceRuleDescriptionAuthorStrings
ryuk.ps1WiltedTulip_WindowsTaskDetects hack tool used in Operation Wilted Tulip - Windows TasksFlorian Roth
  • 0x4a:$x3: -encodedcommand JABzAD0ATgBlAHcALQBPAGIAagBlAGMAdAAgAEkATwAuAE0AZQBtAG8AcgB5AFMAdAByAGUAYQBtACgA

Sigma Overview

No Sigma rule has matched

Signature Overview

Click to jump to signature section

Show All Signature Results

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Users\user\AppDataJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Users\user\AppData\RoamingJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Users\user\AppData\Roaming\Microsoft\WindowsJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Users\userJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Users\user\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.iniJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Users\user\AppData\Roaming\MicrosoftJump to behavior

System Summary:

barindex
Malicious sample detected (through community Yara rule)Show sources
Source: ryuk.ps1, type: SAMPLEMatched rule: Detects hack tool used in Operation Wilted Tulip - Windows Tasks Author: Florian Roth
Source: ryuk.ps1, type: SAMPLEMatched rule: WiltedTulip_WindowsTask date = 2017-07-23, hash5 = 984c7e1f76c21daf214b3f7e131ceb60c14abf1b0f4066eae563e9c184372a34, hash4 = 5046e7c28f5f2781ed7a63b0871f4a2b3065b70d62de7254491339e8fe2fa14a, hash3 = b6f515b3f713b70b808fc6578232901ffdeadeb419c9c4219fbfba417bba9f01, hash2 = 340cbbffbb7685133fc318fa20e4620ddf15e56c0e65d4cf1b2d606790d4425d, hash1 = c3cbe88b82cd0ea46868fb4f2e8ed226f3419fc6d4d6b5f7561e70f4cd33822c, author = Florian Roth, description = Detects hack tool used in Operation Wilted Tulip - Windows Tasks, reference = http://www.clearskysec.com/tulip, license = https://creativecommons.org/licenses/by-nc/4.0/
Source: classification engineClassification label: mal48.winPS1@2/5@0/0
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile created: C:\Users\user\Documents\20200610Jump to behavior
Source: C:\Windows\System32\conhost.exeMutant created: \Sessions\1\BaseNamedObjects\Local\SM0:2808:120:WilError_01
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile created: C:\Users\user\AppData\Local\Temp\__PSScriptPolicyTest_i44wjt2y.fti.ps1Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeSection loaded: C:\Windows\assembly\NativeImages_v4.0.30319_64\mscorlib\b818384f6f636b55ba6f5af0c6a7784d\mscorlib.ni.dllJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile read: C:\Users\desktop.iniJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\SystemCertificates\CAJump to behavior
Source: unknownProcess created: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe 'C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe' -noLogo -ExecutionPolicy unrestricted -file 'C:\Users\user\Desktop\ryuk.ps1'
Source: unknownProcess created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorrc.dllJump to behavior

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information set: NOOPENFILEERRORBOXJump to behavior

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeThread delayed: delay time: 922337203685477Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeWindow / User API: threadDelayed 1980Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeWindow / User API: threadDelayed 1486Jump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe TID: 4684Thread sleep time: -922337203685477s >= -30000sJump to behavior
Source: C:\Windows\System32\conhost.exeLast function: Thread delayed
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Users\user\AppDataJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Users\user\AppData\RoamingJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Users\user\AppData\Roaming\Microsoft\WindowsJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Users\userJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Users\user\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.iniJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeFile opened: C:\Users\user\AppData\Roaming\MicrosoftJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess information queried: ProcessInformationJump to behavior

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeProcess token adjusted: DebugJump to behavior

Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeQueries volume information: C:\ VolumeInformationJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeQueries volume information: C:\ VolumeInformationJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeQueries volume information: C:\ VolumeInformationJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeQueries volume information: C:\Windows\Microsoft.NET\assembly\GAC_64\System.Data\v4.0_4.0.0.0__b77a5c561934e089\System.Data.dll VolumeInformationJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeQueries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package00113~31bf3856ad364e35~amd64~~10.0.17134.1.cat VolumeInformationJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeQueries volume information: C:\Windows\Microsoft.NET\assembly\GAC_64\System.Transactions\v4.0_4.0.0.0__b77a5c561934e089\System.Transactions.dll VolumeInformationJump to behavior
Source: C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeQueries volume information: C:\ VolumeInformationJump to behavior

Mitre Att&ck Matrix

Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionExfiltrationCommand and ControlNetwork EffectsRemote Service EffectsImpact
Valid AccountsWindows Remote ManagementWinlogon Helper DLLProcess Injection1Masquerading1Credential DumpingVirtualization/Sandbox Evasion2Application Deployment SoftwareData from Local SystemData CompressedData ObfuscationEavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
Replication Through Removable MediaService ExecutionPort MonitorsAccessibility FeaturesVirtualization/Sandbox Evasion2Network SniffingProcess Discovery1Remote ServicesData from Removable MediaExfiltration Over Other Network MediumFallback ChannelsExploit SS7 to Redirect Phone Calls/SMSRemotely Wipe Data Without AuthorizationDevice Lockout
External Remote ServicesWindows Management InstrumentationAccessibility FeaturesPath InterceptionProcess Injection1Input CaptureApplication Window Discovery1Windows Remote ManagementData from Network Shared DriveAutomated ExfiltrationCustom Cryptographic ProtocolExploit SS7 to Track Device LocationObtain Device Cloud BackupsDelete Device Data
Drive-by CompromiseScheduled TaskSystem FirmwareDLL Search Order HijackingObfuscated Files or InformationCredentials in FilesFile and Directory Discovery2Logon ScriptsInput CaptureData EncryptedMultiband CommunicationSIM Card SwapPremium SMS Toll Fraud
Exploit Public-Facing ApplicationCommand-Line InterfaceShortcut ModificationFile System Permissions WeaknessMasqueradingAccount ManipulationSystem Information Discovery11Shared WebrootData StagedScheduled TransferStandard Cryptographic ProtocolManipulate Device CommunicationManipulate App Store Rankings or Ratings

Behavior Graph

Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 signatures2 2 Behavior Graph ID: 237236 Sample: ryuk.ps1 Startdate: 10/06/2020 Architecture: WINDOWS Score: 48 10 Malicious sample detected (through community Yara rule) 2->10 6 powershell.exe 13 2->6         started        process3 process4 8 conhost.exe 6->8         started       

Screenshots

Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.