Analysis Overview
SHA256
8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18
Threat Level: Known bad
The file 8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18 was found to be: Known bad.
Malicious Activity Summary
Modifies firewall policy service
UAC bypass
Sality
Windows security bypass
detect oss ak
UPX packed file
Windows security modification
Checks whether UAC is enabled
Enumerates connected drives
Drops file in Windows directory
Unsigned PE
System policy modification
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-10 04:30
Signatures
detect oss ak
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-10 04:30
Reported
2024-06-10 04:33
Platform
win7-20240508-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Sality
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
detect oss ak
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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Windows security modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Enumerates connected drives
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SYSTEM.INI | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| File opened for modification | C:\Windows\RECYCLE.BIN | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe
"C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe"
Network
Files
memory/2400-0-0x0000000000400000-0x00000000007DE000-memory.dmp
memory/2400-1-0x0000000002250000-0x00000000032DE000-memory.dmp
memory/2400-2-0x0000000002250000-0x00000000032DE000-memory.dmp
memory/2400-4-0x0000000002250000-0x00000000032DE000-memory.dmp
memory/2400-7-0x0000000002250000-0x00000000032DE000-memory.dmp
memory/2400-10-0x0000000002250000-0x00000000032DE000-memory.dmp
memory/2400-11-0x0000000002250000-0x00000000032DE000-memory.dmp
memory/2400-6-0x0000000002250000-0x00000000032DE000-memory.dmp
memory/2400-9-0x0000000002250000-0x00000000032DE000-memory.dmp
memory/2400-8-0x0000000002250000-0x00000000032DE000-memory.dmp
memory/2400-25-0x0000000000400000-0x00000000007DE000-memory.dmp
memory/2400-5-0x0000000002250000-0x00000000032DE000-memory.dmp
memory/2400-17-0x0000000002250000-0x00000000032DE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-10 04:30
Reported
2024-06-10 04:33
Platform
win10v2004-20240226-en
Max time kernel
143s
Max time network
147s
Command Line
Signatures
Modifies firewall policy service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Sality
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Windows security bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
detect oss ak
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Enumerates connected drives
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SYSTEM.INI | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| File opened for modification | C:\Windows\RECYCLE.BIN | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe | N/A |
Processes
C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
C:\Windows\system32\dwm.exe
"dwm.exe"
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe
"C:\Users\Admin\AppData\Local\Temp\8a34f576cd67a909207c0c30466060380b07c78f1acdb327fee118862f102b18.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3920 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| FR | 216.58.214.170:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 170.214.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 3.173.189.20.in-addr.arpa | udp |
Files
memory/4660-0-0x0000000000400000-0x00000000007DE000-memory.dmp
memory/4660-1-0x0000000002780000-0x000000000380E000-memory.dmp
memory/4660-4-0x0000000002780000-0x000000000380E000-memory.dmp
memory/4660-6-0x0000000002780000-0x000000000380E000-memory.dmp
memory/4660-9-0x0000000002780000-0x000000000380E000-memory.dmp
memory/4660-7-0x0000000002780000-0x000000000380E000-memory.dmp
memory/4660-17-0x0000000002780000-0x000000000380E000-memory.dmp
memory/4660-12-0x0000000002780000-0x000000000380E000-memory.dmp
memory/4660-24-0x0000000000400000-0x00000000007DE000-memory.dmp
memory/4660-5-0x0000000002780000-0x000000000380E000-memory.dmp
memory/4660-8-0x0000000002780000-0x000000000380E000-memory.dmp
memory/4660-3-0x0000000002780000-0x000000000380E000-memory.dmp