Malware Analysis Report

2024-11-13 15:38

Sample ID 241106-ps6hrssnfk
Target 2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk
SHA256 c7b6685f52c3b23d1bc350ab366bcf2acd94c9fe35f18cc3167df325e701ef64
Tags
phorphiex discovery evasion execution loader persistence spyware stealer trojan worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c7b6685f52c3b23d1bc350ab366bcf2acd94c9fe35f18cc3167df325e701ef64

Threat Level: Known bad

The file 2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk was found to be: Known bad.

Malicious Activity Summary

phorphiex discovery evasion execution loader persistence spyware stealer trojan worm

Phorphiex payload

Suspicious use of NtCreateUserProcessOtherParentProcess

Phorphiex family

Modifies security service

Windows security bypass

Phorphiex, Phorpiex

Command and Scripting Interpreter: PowerShell

Stops running service(s)

Downloads MZ/PE file

Reads user/profile data of web browsers

Checks computer location settings

Windows security modification

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Launches sc.exe

Drops file in Windows directory

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Uses Task Scheduler COM API

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-06 12:36

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-06 12:36

Reported

2024-11-06 12:39

Platform

win7-20241010-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe"

Signatures

Modifies security service

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" C:\Windows\sysppvrdnvs.exe N/A

Phorphiex family

phorphiex

Phorphiex payload

Description Indicator Process Target
N/A N/A N/A N/A

Phorphiex, Phorpiex

worm trojan loader phorphiex

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Windows\sysppvrdnvs.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Downloads MZ/PE file

Stops running service(s)

evasion execution

Reads user/profile data of web browsers

spyware stealer

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Windows\sysppvrdnvs.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysppvrdnvs.exe" C:\Users\Admin\AppData\Local\Temp\118477986.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\118477986.exe N/A
File opened for modification C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\118477986.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\sc.exe N/A
N/A N/A C:\Windows\SysWOW64\sc.exe N/A
N/A N/A C:\Windows\SysWOW64\sc.exe N/A
N/A N/A C:\Windows\SysWOW64\sc.exe N/A
N/A N/A C:\Windows\SysWOW64\sc.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2C7D.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\118477986.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\sc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\sc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\1C38.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\sysppvrdnvs.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\sc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\sc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\sc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\155948500.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\1759425692.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1759425692.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3040 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\1C38.exe
PID 3040 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\1C38.exe
PID 3040 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\1C38.exe
PID 3040 wrote to memory of 2844 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\1C38.exe
PID 3040 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe
PID 3040 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe
PID 3040 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe
PID 2996 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\2C7D.exe
PID 2996 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\2C7D.exe
PID 2996 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\2C7D.exe
PID 2996 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\2C7D.exe
PID 2988 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\2C7D.exe C:\Users\Admin\AppData\Local\Temp\118477986.exe
PID 2988 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\2C7D.exe C:\Users\Admin\AppData\Local\Temp\118477986.exe
PID 2988 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\2C7D.exe C:\Users\Admin\AppData\Local\Temp\118477986.exe
PID 2988 wrote to memory of 2480 N/A C:\Users\Admin\AppData\Local\Temp\2C7D.exe C:\Users\Admin\AppData\Local\Temp\118477986.exe
PID 2844 wrote to memory of 1268 N/A C:\Users\Admin\AppData\Local\Temp\1C38.exe C:\Users\Admin\AppData\Local\Temp\198557222.exe
PID 2844 wrote to memory of 1268 N/A C:\Users\Admin\AppData\Local\Temp\1C38.exe C:\Users\Admin\AppData\Local\Temp\198557222.exe
PID 2844 wrote to memory of 1268 N/A C:\Users\Admin\AppData\Local\Temp\1C38.exe C:\Users\Admin\AppData\Local\Temp\198557222.exe
PID 2844 wrote to memory of 1268 N/A C:\Users\Admin\AppData\Local\Temp\1C38.exe C:\Users\Admin\AppData\Local\Temp\198557222.exe
PID 2480 wrote to memory of 588 N/A C:\Users\Admin\AppData\Local\Temp\118477986.exe C:\Windows\sysppvrdnvs.exe
PID 2480 wrote to memory of 588 N/A C:\Users\Admin\AppData\Local\Temp\118477986.exe C:\Windows\sysppvrdnvs.exe
PID 2480 wrote to memory of 588 N/A C:\Users\Admin\AppData\Local\Temp\118477986.exe C:\Windows\sysppvrdnvs.exe
PID 2480 wrote to memory of 588 N/A C:\Users\Admin\AppData\Local\Temp\118477986.exe C:\Windows\sysppvrdnvs.exe
PID 588 wrote to memory of 628 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 588 wrote to memory of 628 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 588 wrote to memory of 628 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 588 wrote to memory of 628 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 588 wrote to memory of 1160 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 588 wrote to memory of 1160 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 588 wrote to memory of 1160 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 588 wrote to memory of 1160 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 628 wrote to memory of 1052 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 628 wrote to memory of 1052 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 628 wrote to memory of 1052 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 628 wrote to memory of 1052 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1160 wrote to memory of 2188 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 2188 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 2188 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 2188 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 2856 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 2856 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 2856 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 2856 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 2864 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 2864 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 2864 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 2864 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 780 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 780 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 780 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 780 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 768 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 768 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 768 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 1160 wrote to memory of 768 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 588 wrote to memory of 1600 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\1759425692.exe
PID 588 wrote to memory of 1600 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\1759425692.exe
PID 588 wrote to memory of 1600 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\1759425692.exe
PID 588 wrote to memory of 1600 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\1759425692.exe
PID 1600 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\1759425692.exe C:\Windows\System32\cmd.exe
PID 1600 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\1759425692.exe C:\Windows\System32\cmd.exe
PID 1600 wrote to memory of 2840 N/A C:\Users\Admin\AppData\Local\Temp\1759425692.exe C:\Windows\System32\cmd.exe
PID 1600 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\1759425692.exe C:\Windows\System32\cmd.exe
PID 1600 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\1759425692.exe C:\Windows\System32\cmd.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe"

C:\Users\Admin\AppData\Local\Temp\1C38.exe

"C:\Users\Admin\AppData\Local\Temp\1C38.exe"

C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktopGX --annotation=ver=78.0.4093.214 --initial-client-data=0x340,0x344,0x348,0x318,0x34c,0x140246d00,0x140246d10,0x140246d20

C:\Users\Admin\AppData\Local\Temp\2C7D.exe

"C:\Users\Admin\AppData\Local\Temp\2C7D.exe"

C:\Users\Admin\AppData\Local\Temp\118477986.exe

C:\Users\Admin\AppData\Local\Temp\118477986.exe

C:\Users\Admin\AppData\Local\Temp\198557222.exe

C:\Users\Admin\AppData\Local\Temp\198557222.exe

C:\Windows\sysppvrdnvs.exe

C:\Windows\sysppvrdnvs.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop DoSvc & sc stop BITS /wait

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"

C:\Windows\SysWOW64\sc.exe

sc stop UsoSvc

C:\Windows\SysWOW64\sc.exe

sc stop WaaSMedicSvc

C:\Windows\SysWOW64\sc.exe

sc stop wuauserv

C:\Windows\SysWOW64\sc.exe

sc stop DoSvc

C:\Windows\SysWOW64\sc.exe

sc stop BITS /wait

C:\Users\Admin\AppData\Local\Temp\1759425692.exe

C:\Users\Admin\AppData\Local\Temp\1759425692.exe

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"

C:\Windows\system32\reg.exe

reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f

C:\Windows\system32\schtasks.exe

schtasks /delete /f /tn "Windows Upgrade Manager"

C:\Users\Admin\AppData\Local\Temp\1525616916.exe

C:\Users\Admin\AppData\Local\Temp\1525616916.exe

C:\Users\Admin\AppData\Local\Temp\155948500.exe

C:\Users\Admin\AppData\Local\Temp\155948500.exe

C:\Users\Admin\AppData\Local\Temp\1230134719.exe

C:\Users\Admin\AppData\Local\Temp\1230134719.exe

C:\Users\Admin\AppData\Local\Temp\2952532596.exe

C:\Users\Admin\AppData\Local\Temp\2952532596.exe

Network

Country Destination Domain Proto
RU 185.215.113.66:80 185.215.113.66 tcp
US 8.8.8.8:53 twizt.net udp
US 8.8.8.8:53 twizt.net udp
RU 185.215.113.66:80 twizt.net tcp
RU 185.215.113.66:80 twizt.net tcp
RU 185.215.113.66:80 twizt.net tcp
RU 185.215.113.66:80 twizt.net tcp
US 8.8.8.8:53 www.update.microsoft.com udp
US 20.109.209.108:80 www.update.microsoft.com tcp
IR 5.238.140.68:40500 udp
SY 46.53.103.250:40500 tcp
TJ 109.74.69.43:40500 udp
IR 2.177.243.253:40500 udp
US 198.163.205.197:40500 udp
RS 78.109.103.103:40500 udp
UZ 213.230.90.222:40500 udp
KZ 92.47.212.241:40500 tcp
RU 178.71.163.141:40500 udp
UZ 94.230.236.74:40500 udp
RO 37.120.247.128:40500 udp
KZ 2.135.246.18:40500 udp
IR 2.182.215.240:40500 udp
IR 5.238.140.68:40500 tcp
UZ 213.206.45.227:40500 udp
RU 185.215.113.66:80 twizt.net tcp
UZ 93.188.86.211:40500 udp
RU 185.215.113.66:80 twizt.net tcp
IN 117.236.188.177:40500 udp
RU 185.215.113.66:80 twizt.net tcp
UZ 213.206.48.203:40500 udp
IR 78.38.107.167:40500 udp
RU 185.215.113.66:80 twizt.net tcp
US 142.93.53.8:40500 tcp
KG 85.113.19.18:40500 udp
RU 185.215.113.84:80 185.215.113.84 tcp
RU 185.215.113.66:80 twizt.net tcp
IR 89.40.246.43:40500 tcp
SY 82.137.205.75:40500 udp

Files

C:\Users\Admin\AppData\Local\Temp\1C38.exe

MD5 8d8e6c7952a9dc7c0c73911c4dbc5518
SHA1 9098da03b33b2c822065b49d5220359c275d5e94
SHA256 feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278
SHA512 91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports\settings.dat

MD5 9d05e84e73ffe7e859c25ab6fe630738
SHA1 2cf8a851e1e7e4042d1e26c382fb926165333844
SHA256 8dda3d9290c893adda53fd2fc4f01e8faeb762ecd3360de0df8002296b88c761
SHA512 d0bfff0a953d00fc2ec07bb9dd46afb1065eb01cf349d44b27130842d72a45d9d8ed830248a0ae2452905a1fad328228e7e9952e2ffa949f0b4704b649f28848

C:\Users\Admin\AppData\Local\Temp\118477986.exe

MD5 06560b5e92d704395bc6dae58bc7e794
SHA1 fbd3e4ae28620197d1f02bfc24adaf4ddacd2372
SHA256 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d
SHA512 b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3

C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\8P9TO0C6\1[1]

MD5 1fcb78fb6cf9720e9d9494c42142d885
SHA1 fef9c2e728ab9d56ce9ed28934b3182b6f1d5379
SHA256 84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02
SHA512 cdf58e463af1784aea86995b3e5d6b07701c5c4095e30ec80cc901ffd448c6f4f714c521bf8796ffa8c47538bf8bf5351e157596efaa7ab88155d63dc33f7dc3

\Users\Admin\AppData\Local\Temp\1759425692.exe

MD5 cb8420e681f68db1bad5ed24e7b22114
SHA1 416fc65d538d3622f5ca71c667a11df88a927c31
SHA256 5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea
SHA512 baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

memory/1600-67-0x000000013FCE0000-0x000000013FCE6000-memory.dmp

\Users\Admin\AppData\Local\Temp\1525616916.exe

MD5 0c37ee292fec32dba0420e6c94224e28
SHA1 012cbdddaddab319a4b3ae2968b42950e929c46b
SHA256 981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1
SHA512 2b60b571c55d0441ba0cfc695f9db5cd12660ebec7effc7e893c3b7a1c6cb6149df487c31b8d748697e260cbc4af29331592b705ea9638f64a711c7a6164628b

\Users\Admin\AppData\Local\Temp\155948500.exe

MD5 96509ab828867d81c1693b614b22f41d
SHA1 c5f82005dbda43cedd86708cc5fc3635a781a67e
SHA256 a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744
SHA512 ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

\Users\Admin\AppData\Local\Temp\1230134719.exe

MD5 13b26b2c7048a92d6a843c1302618fad
SHA1 89c2dfc01ac12ef2704c7669844ec69f1700c1ca
SHA256 1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256
SHA512 d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455

\Users\Admin\AppData\Local\Temp\2952532596.exe

MD5 c1c2524e6fc9dc3f492248f09cf37d32
SHA1 fabcb2a675dcb31070d763a2fabc90259921a20d
SHA256 d7c3ed2599c214b4dbcdbb34d2f378cc5a99833cc051143338bf848cc87fda97
SHA512 ead31dbcd27538dcd734f7568441dc733ae472dbcc475308b69e90f13cc5b1fda5e13afab4241b18006e81b8e52ff9894685a4e8d2cf9161d2b77716119de89f

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-06 12:36

Reported

2024-11-06 12:39

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

153s

Command Line

C:\Windows\Explorer.EXE

Signatures

Modifies security service

evasion
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" C:\Windows\sysppvrdnvs.exe N/A

Phorphiex family

phorphiex

Phorphiex payload

Description Indicator Process Target
N/A N/A N/A N/A

Phorphiex, Phorpiex

worm trojan loader phorphiex

Suspicious use of NtCreateUserProcessOtherParentProcess

Description Indicator Process Target
PID 4036 created 3504 N/A C:\Users\Admin\AppData\Local\Temp\2706036432.exe C:\Windows\Explorer.EXE

Windows security bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Windows\sysppvrdnvs.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Downloads MZ/PE file

Stops running service(s)

evasion execution

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation C:\Windows\sysppvrdnvs.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\807528065.exe N/A

Reads user/profile data of web browsers

spyware stealer

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" C:\Windows\sysppvrdnvs.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1" C:\Windows\sysppvrdnvs.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysppvrdnvs.exe" C:\Users\Admin\AppData\Local\Temp\2930131908.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\2930131908.exe N/A
File opened for modification C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\2930131908.exe N/A

Launches sc.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\sc.exe N/A
N/A N/A C:\Windows\SysWOW64\sc.exe N/A
N/A N/A C:\Windows\SysWOW64\sc.exe N/A
N/A N/A C:\Windows\SysWOW64\sc.exe N/A
N/A N/A C:\Windows\SysWOW64\sc.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2930131908.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\sysppvrdnvs.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\sc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\sc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\sc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\28591499.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\1462419122.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\1833010438.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\97BC.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\98B6.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\1395333493.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\sc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\sc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\807528065.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4384 wrote to memory of 4392 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\97BC.exe
PID 4384 wrote to memory of 4392 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\97BC.exe
PID 4384 wrote to memory of 4392 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\97BC.exe
PID 4384 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe
PID 4384 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe
PID 4984 wrote to memory of 4808 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\98B6.exe
PID 4984 wrote to memory of 4808 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\98B6.exe
PID 4984 wrote to memory of 4808 N/A C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe C:\Users\Admin\AppData\Local\Temp\98B6.exe
PID 4392 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\97BC.exe C:\Users\Admin\AppData\Local\Temp\2930131908.exe
PID 4392 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\97BC.exe C:\Users\Admin\AppData\Local\Temp\2930131908.exe
PID 4392 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\97BC.exe C:\Users\Admin\AppData\Local\Temp\2930131908.exe
PID 4808 wrote to memory of 3752 N/A C:\Users\Admin\AppData\Local\Temp\98B6.exe C:\Users\Admin\AppData\Local\Temp\1395333493.exe
PID 4808 wrote to memory of 3752 N/A C:\Users\Admin\AppData\Local\Temp\98B6.exe C:\Users\Admin\AppData\Local\Temp\1395333493.exe
PID 4808 wrote to memory of 3752 N/A C:\Users\Admin\AppData\Local\Temp\98B6.exe C:\Users\Admin\AppData\Local\Temp\1395333493.exe
PID 4060 wrote to memory of 3384 N/A C:\Users\Admin\AppData\Local\Temp\2930131908.exe C:\Windows\sysppvrdnvs.exe
PID 4060 wrote to memory of 3384 N/A C:\Users\Admin\AppData\Local\Temp\2930131908.exe C:\Windows\sysppvrdnvs.exe
PID 4060 wrote to memory of 3384 N/A C:\Users\Admin\AppData\Local\Temp\2930131908.exe C:\Windows\sysppvrdnvs.exe
PID 3384 wrote to memory of 2996 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 3384 wrote to memory of 2996 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 3384 wrote to memory of 2996 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 3384 wrote to memory of 664 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 3384 wrote to memory of 664 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 3384 wrote to memory of 664 N/A C:\Windows\sysppvrdnvs.exe C:\Windows\SysWOW64\cmd.exe
PID 2996 wrote to memory of 2908 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2996 wrote to memory of 2908 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2996 wrote to memory of 2908 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 664 wrote to memory of 3436 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 3436 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 3436 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 1716 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 1716 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 1716 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 3112 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 3112 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 3112 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 4564 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 4564 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 4564 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 3928 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 3928 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 664 wrote to memory of 3928 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\sc.exe
PID 3384 wrote to memory of 2960 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\807528065.exe
PID 3384 wrote to memory of 2960 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\807528065.exe
PID 2960 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\807528065.exe C:\Windows\System32\cmd.exe
PID 2960 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\807528065.exe C:\Windows\System32\cmd.exe
PID 2960 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\807528065.exe C:\Windows\System32\cmd.exe
PID 2960 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\807528065.exe C:\Windows\System32\cmd.exe
PID 952 wrote to memory of 4760 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\reg.exe
PID 952 wrote to memory of 4760 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\reg.exe
PID 3540 wrote to memory of 4720 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\schtasks.exe
PID 3540 wrote to memory of 4720 N/A C:\Windows\System32\cmd.exe C:\Windows\system32\schtasks.exe
PID 3384 wrote to memory of 928 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\1462419122.exe
PID 3384 wrote to memory of 928 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\1462419122.exe
PID 3384 wrote to memory of 928 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\1462419122.exe
PID 3384 wrote to memory of 1068 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\1833010438.exe
PID 3384 wrote to memory of 1068 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\1833010438.exe
PID 3384 wrote to memory of 1068 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\1833010438.exe
PID 1068 wrote to memory of 4036 N/A C:\Users\Admin\AppData\Local\Temp\1833010438.exe C:\Users\Admin\AppData\Local\Temp\2706036432.exe
PID 1068 wrote to memory of 4036 N/A C:\Users\Admin\AppData\Local\Temp\1833010438.exe C:\Users\Admin\AppData\Local\Temp\2706036432.exe
PID 3384 wrote to memory of 740 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\28591499.exe
PID 3384 wrote to memory of 740 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\28591499.exe
PID 3384 wrote to memory of 740 N/A C:\Windows\sysppvrdnvs.exe C:\Users\Admin\AppData\Local\Temp\28591499.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe

"C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe"

C:\Users\Admin\AppData\Local\Temp\97BC.exe

"C:\Users\Admin\AppData\Local\Temp\97BC.exe"

C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-06_9fc1a894f48c14ca703edb75b4b1d340_cobalt-strike_ryuk.exe --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win64 --annotation=prod=OperaDesktopGX --annotation=ver=78.0.4093.214 --initial-client-data=0x4d0,0x4d4,0x4d8,0x494,0x4dc,0x140246d00,0x140246d10,0x140246d20

C:\Users\Admin\AppData\Local\Temp\98B6.exe

"C:\Users\Admin\AppData\Local\Temp\98B6.exe"

C:\Users\Admin\AppData\Local\Temp\2930131908.exe

C:\Users\Admin\AppData\Local\Temp\2930131908.exe

C:\Users\Admin\AppData\Local\Temp\1395333493.exe

C:\Users\Admin\AppData\Local\Temp\1395333493.exe

C:\Windows\sysppvrdnvs.exe

C:\Windows\sysppvrdnvs.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop DoSvc & sc stop BITS /wait

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

powershell -Command "Add-MpPreference -ExclusionPath $env:windir; Add-MpPreference -ExclusionPath $env:TEMP; Add-MpPreference -ExclusionPath $env:USERPROFILE"

C:\Windows\SysWOW64\sc.exe

sc stop UsoSvc

C:\Windows\SysWOW64\sc.exe

sc stop WaaSMedicSvc

C:\Windows\SysWOW64\sc.exe

sc stop wuauserv

C:\Windows\SysWOW64\sc.exe

sc stop DoSvc

C:\Windows\SysWOW64\sc.exe

sc stop BITS /wait

C:\Users\Admin\AppData\Local\Temp\807528065.exe

C:\Users\Admin\AppData\Local\Temp\807528065.exe

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"

C:\Windows\system32\reg.exe

reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f

C:\Windows\system32\schtasks.exe

schtasks /delete /f /tn "Windows Upgrade Manager"

C:\Users\Admin\AppData\Local\Temp\1462419122.exe

C:\Users\Admin\AppData\Local\Temp\1462419122.exe

C:\Users\Admin\AppData\Local\Temp\1833010438.exe

C:\Users\Admin\AppData\Local\Temp\1833010438.exe

C:\Users\Admin\AppData\Local\Temp\2706036432.exe

C:\Users\Admin\AppData\Local\Temp\2706036432.exe

C:\Users\Admin\AppData\Local\Temp\28591499.exe

C:\Users\Admin\AppData\Local\Temp\28591499.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }

Network

Country Destination Domain Proto
RU 185.215.113.66:80 185.215.113.66 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 66.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 twizt.net udp
RU 185.215.113.66:80 twizt.net tcp
RU 185.215.113.66:80 twizt.net tcp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
RU 185.215.113.66:80 twizt.net tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
RU 185.215.113.66:80 twizt.net tcp
RU 185.215.113.66:80 twizt.net tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 70.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 www.update.microsoft.com udp
US 20.109.209.108:80 www.update.microsoft.com tcp
US 8.8.8.8:53 108.209.109.20.in-addr.arpa udp
IR 2.180.17.111:40500 udp
PK 203.99.175.167:40500 tcp
US 8.8.8.8:53 111.17.180.2.in-addr.arpa udp
IR 78.38.107.167:40500 udp
US 8.8.8.8:53 167.107.38.78.in-addr.arpa udp
KZ 37.151.27.190:40500 tcp
KG 31.186.54.5:40500 udp
US 8.8.8.8:53 5.54.186.31.in-addr.arpa udp
IR 5.235.177.163:40500 udp
US 8.8.8.8:53 163.177.235.5.in-addr.arpa udp
YE 188.240.124.49:40500 udp
US 8.8.8.8:53 49.124.240.188.in-addr.arpa udp
KZ 95.58.216.162:40500 udp
US 8.8.8.8:53 162.216.58.95.in-addr.arpa udp
IR 188.212.80.105:40500 udp
US 8.8.8.8:53 105.80.212.188.in-addr.arpa udp
UZ 90.156.162.40:40500 tcp
KZ 91.246.92.22:40500 udp
US 8.8.8.8:53 22.92.246.91.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
BY 46.56.85.158:40500 udp
US 8.8.8.8:53 158.85.56.46.in-addr.arpa udp
AF 149.54.20.134:40500 udp
US 8.8.8.8:53 134.20.54.149.in-addr.arpa udp
RU 78.136.237.217:40500 udp
US 8.8.8.8:53 217.237.136.78.in-addr.arpa udp
IR 5.237.148.223:40500 udp
US 8.8.8.8:53 223.148.237.5.in-addr.arpa udp
RU 195.190.112.66:40500 tcp
UZ 90.156.163.101:40500 udp
US 8.8.8.8:53 101.163.156.90.in-addr.arpa udp
RU 185.215.113.66:80 twizt.net tcp
KZ 95.59.62.94:40500 udp
RU 185.215.113.66:80 twizt.net tcp
US 8.8.8.8:53 94.62.59.95.in-addr.arpa udp
MX 189.167.30.217:40500 udp
US 8.8.8.8:53 217.30.167.189.in-addr.arpa udp
RU 185.215.113.66:80 twizt.net tcp
AF 149.54.35.210:40500 udp
US 8.8.8.8:53 210.35.54.149.in-addr.arpa udp
IR 46.248.48.30:40500 udp
RU 185.215.113.66:80 twizt.net tcp
US 8.8.8.8:53 30.48.248.46.in-addr.arpa udp
US 198.163.193.242:40500 udp
US 8.8.8.8:53 242.193.163.198.in-addr.arpa udp
RU 185.215.113.84:80 185.215.113.84 tcp
UZ 93.188.83.238:40500 tcp
US 8.8.8.8:53 84.113.215.185.in-addr.arpa udp
RU 185.215.113.66:80 twizt.net tcp
KZ 89.218.239.82:40500 udp
US 8.8.8.8:53 82.239.218.89.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\97BC.exe

MD5 8d8e6c7952a9dc7c0c73911c4dbc5518
SHA1 9098da03b33b2c822065b49d5220359c275d5e94
SHA256 feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278
SHA512 91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

C:\Users\Admin\AppData\Roaming\Opera Software\Opera GX Stable\Crash Reports\settings.dat

MD5 3b665ebd2774e2c7ceb07596625e5463
SHA1 cf7acbe91ae5fee05e51ccbf9b305f08b9f994fc
SHA256 e532538fc266ac788b06f17b3479f06b5f5c6b1433209045c3cf272576506c80
SHA512 125fde1f9557350c268f681279c53ce8fdf5b52fc6c497e10721bb70f5671bbb98ec416a6aea439a1ad3c5bc35cde65daa7620f7a976fa59ecee435534f040e8

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\84KCLP1T\newtpp[1].exe

MD5 06560b5e92d704395bc6dae58bc7e794
SHA1 fbd3e4ae28620197d1f02bfc24adaf4ddacd2372
SHA256 9eaaadf3857e4a3e83f4f78d96ab185213b6528c8e470807f9d16035daadf33d
SHA512 b55b49fc1bd526c47d88fcf8a20fcaed900bfb291f2e3e1186ec196a87127ed24df71385ae04fedcc802c362c4ebf38edfc182013febf4496ddeb66ce5195ee3

memory/2908-33-0x0000000002730000-0x0000000002766000-memory.dmp

memory/2908-34-0x0000000004EF0000-0x0000000005518000-memory.dmp

memory/2908-35-0x0000000004D80000-0x0000000004DA2000-memory.dmp

memory/2908-36-0x0000000005690000-0x00000000056F6000-memory.dmp

memory/2908-37-0x0000000005700000-0x0000000005766000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cfdhwi2w.nqn.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2908-47-0x0000000005870000-0x0000000005BC4000-memory.dmp

memory/2908-48-0x0000000005DB0000-0x0000000005DCE000-memory.dmp

memory/2908-49-0x0000000005DD0000-0x0000000005E1C000-memory.dmp

memory/2908-50-0x0000000006360000-0x0000000006392000-memory.dmp

memory/2908-51-0x000000006F830000-0x000000006F87C000-memory.dmp

memory/2908-61-0x00000000063B0000-0x00000000063CE000-memory.dmp

memory/2908-62-0x0000000006F90000-0x0000000007033000-memory.dmp

memory/2908-63-0x0000000007770000-0x0000000007DEA000-memory.dmp

memory/2908-64-0x00000000070C0000-0x00000000070DA000-memory.dmp

memory/2908-65-0x0000000007140000-0x000000000714A000-memory.dmp

memory/2908-66-0x0000000007340000-0x00000000073D6000-memory.dmp

memory/2908-67-0x00000000072E0000-0x00000000072F1000-memory.dmp

memory/2908-68-0x0000000007300000-0x000000000730E000-memory.dmp

memory/2908-69-0x0000000007310000-0x0000000007324000-memory.dmp

memory/2908-70-0x0000000007400000-0x000000000741A000-memory.dmp

memory/2908-71-0x00000000073E0000-0x00000000073E8000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H6N4U6J0\1[1]

MD5 1fcb78fb6cf9720e9d9494c42142d885
SHA1 fef9c2e728ab9d56ce9ed28934b3182b6f1d5379
SHA256 84652bb8c63ca4fd7eb7a2d6ef44029801f3057aa2961867245a3a765928dd02
SHA512 cdf58e463af1784aea86995b3e5d6b07701c5c4095e30ec80cc901ffd448c6f4f714c521bf8796ffa8c47538bf8bf5351e157596efaa7ab88155d63dc33f7dc3

C:\Users\Admin\AppData\Local\Temp\807528065.exe

MD5 cb8420e681f68db1bad5ed24e7b22114
SHA1 416fc65d538d3622f5ca71c667a11df88a927c31
SHA256 5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea
SHA512 baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

memory/2960-93-0x0000000000E90000-0x0000000000E96000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\1462419122.exe

MD5 0c37ee292fec32dba0420e6c94224e28
SHA1 012cbdddaddab319a4b3ae2968b42950e929c46b
SHA256 981d724feebc36777e99513dc061d1f009e589f965c920797285c46d863060d1
SHA512 2b60b571c55d0441ba0cfc695f9db5cd12660ebec7effc7e893c3b7a1c6cb6149df487c31b8d748697e260cbc4af29331592b705ea9638f64a711c7a6164628b

C:\Users\Admin\AppData\Local\Temp\1833010438.exe

MD5 96509ab828867d81c1693b614b22f41d
SHA1 c5f82005dbda43cedd86708cc5fc3635a781a67e
SHA256 a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744
SHA512 ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

C:\Users\Admin\AppData\Local\Temp\2706036432.exe

MD5 13b26b2c7048a92d6a843c1302618fad
SHA1 89c2dfc01ac12ef2704c7669844ec69f1700c1ca
SHA256 1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256
SHA512 d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455

C:\Users\Admin\AppData\Local\Temp\28591499.exe

MD5 c1c2524e6fc9dc3f492248f09cf37d32
SHA1 fabcb2a675dcb31070d763a2fabc90259921a20d
SHA256 d7c3ed2599c214b4dbcdbb34d2f378cc5a99833cc051143338bf848cc87fda97
SHA512 ead31dbcd27538dcd734f7568441dc733ae472dbcc475308b69e90f13cc5b1fda5e13afab4241b18006e81b8e52ff9894685a4e8d2cf9161d2b77716119de89f

memory/1436-129-0x000001ACDCB90000-0x000001ACDCBB2000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 cf60da815246443869f89c96a5cf615a
SHA1 fcb1ec603815833497eeb9965565a83db4a7adb6
SHA256 84af4a89b802feec8d0323462fb29a4f7467c2839e7d7d4d8e02b2d627c6578f
SHA512 67a26fbe61b6a0385f25945c701c49437133535fc49a228ab37e0d9863b6969db1c60a510dbb7008491c84c7fc1c55029d1503a5aeaf650045a7d0f8db530673