Analysis Overview
SHA256
3b3900adf2232fb5a995c9f6884feededfbe4a862a076ac3af936e4b5a858887
Threat Level: Known bad
The file Client-built.exe was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar payload
Quasar family
Executes dropped EXE
Unsigned PE
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetWindowsHookEx
Modifies data under HKEY_USERS
Suspicious use of FindShellTrayWindow
Scheduled Task/Job: Scheduled Task
Uses Task Scheduler COM API
Modifies Internet Explorer settings
Suspicious use of SendNotifyMessage
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-02 11:39
Signatures
Quasar family
Quasar payload
| 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
2024-11-02 11:39
Reported
2024-11-02 11:41
Platform
win7-20241023-en
Max time kernel
96s
Max time network
118s
Command Line
Signatures
Quasar RAT
Quasar family
Quasar payload
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Browser Information Discovery
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Internet Explorer\iexplore.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\IETld\LowMic | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\LowRegistry | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Zoom | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{38A8ABC1-990F-11EF-BD4E-7E1302FB0A39} = "0" | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\MINIE | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\IntelliForms | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\InternetRegistry | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000a907cc1344750743988d8bab481dbfbf000000000200000000001066000000010000200000008832d838f7eb2dda862a3aa4ef734926e36693c72f4c9fcaf0cb94bdb76ca56f000000000e800000000200002000000026c4a1616382498771a859ca1fb088c51fdfb263d2dcf948a4a2700210b35bc020000000466f64bada32008598837b52ecdf281a24e7fb3a69d8a6d1ed479cfab7d695354000000049d9638b5b961d60f6e3cbb7b39da693ada2975b14965a11b2db7020e28de1372e85972d1b445bdd885e74b44eeb32d864678a930c12e61f2b0219b1f1ec9b65 | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\PageSetup | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\SearchScopes | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b076000d1c2ddb01 | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE" /verb open "C:\Users\Admin\Desktop\FindMount.xml"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe" -nohome
C:\Program Files\Internet Explorer\IEXPLORE.EXE
"C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2980 CREDAT:275457 /prefetch:2
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef2169758,0x7fef2169768,0x7fef2169778
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1164 --field-trial-handle=980,i,1853075445447588839,6242674206022391684,131072 /prefetch:2
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1420 --field-trial-handle=980,i,1853075445447588839,6242674206022391684,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1608 --field-trial-handle=980,i,1853075445447588839,6242674206022391684,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2232 --field-trial-handle=980,i,1853075445447588839,6242674206022391684,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2240 --field-trial-handle=980,i,1853075445447588839,6242674206022391684,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1488 --field-trial-handle=980,i,1853075445447588839,6242674206022391684,131072 /prefetch:2
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1348 --field-trial-handle=980,i,1853075445447588839,6242674206022391684,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3416 --field-trial-handle=980,i,1853075445447588839,6242674206022391684,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3576 --field-trial-handle=980,i,1853075445447588839,6242674206022391684,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3560 --field-trial-handle=980,i,1853075445447588839,6242674206022391684,131072 /prefetch:8
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.0.102:4782 | tcp | |
| N/A | 192.168.0.102:4782 | tcp | |
| US | 8.8.8.8:53 | www.google.com | udp |
| GB | 142.250.180.4:443 | www.google.com | udp |
| GB | 142.250.180.4:443 | www.google.com | tcp |
| US | 8.8.8.8:53 | ogads-pa.googleapis.com | udp |
| GB | 142.250.187.234:443 | ogads-pa.googleapis.com | udp |
| GB | 142.250.187.234:443 | ogads-pa.googleapis.com | tcp |
| US | 8.8.8.8:53 | play.google.com | udp |
| GB | 142.250.200.14:443 | play.google.com | udp |
| GB | 142.250.200.14:443 | play.google.com | tcp |
| N/A | 224.0.0.251:5353 | udp | |
| N/A | 192.168.0.102:4782 | tcp | |
| N/A | 192.168.0.102:4782 | tcp | |
| N/A | 192.168.0.102:4782 | tcp |
Files
memory/308-0-0x000007FEF5E63000-0x000007FEF5E64000-memory.dmp
memory/308-1-0x00000000003A0000-0x00000000006C4000-memory.dmp
memory/308-2-0x000007FEF5E60000-0x000007FEF684C000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | 96dbf079644fad007ddee4a898bdb096 |
| SHA1 | 3eec62ed768ce4a1181f00a0dd6cca3564e1f9f1 |
| SHA256 | 3b3900adf2232fb5a995c9f6884feededfbe4a862a076ac3af936e4b5a858887 |
| SHA512 | 356a13c7ab5bb02ee79a2ff9525f0f8ca832302fba37cf140af8264d31933a00745b59d7f742a42ef0576964f6e112580430996ac068f63c4112907c69471385 |
memory/308-8-0x000007FEF5E60000-0x000007FEF684C000-memory.dmp
memory/2848-10-0x000007FEF5E60000-0x000007FEF684C000-memory.dmp
memory/2848-9-0x00000000000D0000-0x00000000003F4000-memory.dmp
memory/2848-11-0x000007FEF5E60000-0x000007FEF684C000-memory.dmp
memory/2848-12-0x000007FEF5E60000-0x000007FEF684C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CabDA2B.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\TarDADB.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | a1593920031a58bf280bd33c8e00a0ac |
| SHA1 | fc335261284142a749594b7bbf4ef36a12cfc4b0 |
| SHA256 | 4641e91085119be455e1f383902c511e0a28642b7675f66db285547d9afcecd0 |
| SHA512 | bdf9e6ac6891b9589454d8b4690386a4d3b694ce2b14bc1dea4f0f121315e8d2032d3581b3ecdc46c76a8ff66ceeb162246c45d9153dd1bd0f4d5c7badf7f96d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 694716aaf4009064a0e6390736e3ce6c |
| SHA1 | 1cee26a814538debc60d496cd9c186283e320c93 |
| SHA256 | 49ecae61596bceb1b877f1b4c3f06c99d8166c7348e32a3cb1fe1392ba60a3a1 |
| SHA512 | 44ac6316efe50f365442c82ceac478f5eac74c8463e4fd5bc9bc45223834e5ebf31f6bce079661f64a80ab7911ddabfaf859c8c7ab8579088d8f0b1f9c3293ef |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 7faa074ede5f5b955a857e27918de185 |
| SHA1 | 698ad703f7801009b0db4a64657c3aaf772df767 |
| SHA256 | 0b2a95119792cd451fd517e43759803142e16840fa0b49e915e2a7c161cbd3b7 |
| SHA512 | 8c3491daa0688ffea640072592a4c85164ae9687e204494aae4de58d3e1dd535697d5f22a23d0f684620fc31f007a72a3f7b15af02ee07cc4695e17c58183452 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | e497d018e3251a7df19f33822e1f964e |
| SHA1 | d3f9941384360d3b596c58485c3075dd8ac32560 |
| SHA256 | b15a481ce6bf638dddf0a37d9072340cc0270d991c3ad004d7f54c009dc87fe3 |
| SHA512 | 8f550712d51e0c4f14bdff6b53c6ca22ff33ec4c75d625c2a1dc786f62406d3eff1d69905f38aa1dcd0486e2231bc8530735b07bd09bf69d5c12f85d32c58feb |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 44d04e0933786c1250d6a4aa3fc6d3f0 |
| SHA1 | 0c0136cdd2d779ece6e3a929ac244c2600ade171 |
| SHA256 | 6fbeb79b6b937fe44afd4e11edb992e4bf994d2f411da42aec3f0d9f7c76f5a5 |
| SHA512 | 69c4b461a70766e1b3d46d477cc44ef1827a5d7be10c1d32d762681e80af1f9ed15dfedd8674afaf29d97eb4ea7b0369a0dc762c0d33302b6a69c3e39dbbfcf1 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 04852419566866a93266e3265dbb3de4 |
| SHA1 | 586bb13e5d4fa33d2be215fe7c1ff6040cf1e9df |
| SHA256 | 610d5662556f2c25a9fe6d77a2c707511b9cdd9e2949b4513c2cacab48daea0d |
| SHA512 | df47ba5444cf74aa542935cc5f7fc7c08bc79e8fceb25099e0ca471b737e1c0b32525cf9b4d4e54cc278587f0c146dc12ee72721de5abffa1de8125e62868e01 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | c0011042da35ade58a74522e6577ba9c |
| SHA1 | ed4ff0e323eedcd3685838a66862877080031b03 |
| SHA256 | 474814b6be22141cd8501d28a6d4ced5fba56d9401b40f8aedd42203576894ed |
| SHA512 | 7a1fd0cd9c893d9cb5df2937bd9e147960083e23a099fc0253cc070bab880474fb18f7e97e7aab21c92940929e3a55f69f6d7b615893efe699bc1022ba6194ba |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | ed31690454528cee7df1b341e54c58af |
| SHA1 | f515e8158ec9cea9e44604bb6e7e22b903e99321 |
| SHA256 | 6ec9db8c054df8c9fd892923f355a023946f8c3761ff92e8f84471b067113e4e |
| SHA512 | 0d23b8356febe79c66160869fd598d2905807fb47e0e1bb574a1de412ad12c3139a6060053bde0572a7140da35b75febea8fd334adb1931cd51f9099c1ccc445 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | efea8f96ca33ae12772a520adfdf8012 |
| SHA1 | 697d7c3d02f505d87b7b4d66ecf7cd4c4a22e484 |
| SHA256 | c1fc5f4bf5a896a087ca2ec4300c78eae17f472efb313435e5f2c28a6bb3aca8 |
| SHA512 | cb9c0a50b341fdc109a2fcfb05858ebfdba7e468e392474a1c0cd7cc03157ff502919636a18624bf38a0404f81fa4899af82414b7049508abd3ee5de3f9a14be |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | ed773bf6d9db053c8fa97610a8823e56 |
| SHA1 | b34b63717398127778ceea522f9f07284dc749dd |
| SHA256 | 3633e77065c773926c5be95eb4cfb06ee5445b1e9b791f34ecee72a93745018c |
| SHA512 | 3207bb9f69560822cb308c746537d47ea5383617a86cbe671dec1dd3d8fb608ad20b1e92b159c90be1cec0420da3bc1197bbcd47ecbf3a0d5fda2115d9c75254 |
\??\PIPE\samr
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Site Characteristics Database\000007.dbtmp
| MD5 | 18e723571b00fb1694a3bad6c78e4054 |
| SHA1 | afcc0ef32d46fe59e0483f9a3c891d3034d12f32 |
| SHA256 | 8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa |
| SHA512 | 43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1
| MD5 | f50f89a0a91564d0b8a211f8921aa7de |
| SHA1 | 112403a17dd69d5b9018b8cede023cb3b54eab7d |
| SHA256 | b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec |
| SHA512 | bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp
| MD5 | aefd77f47fb84fae5ea194496b44c67a |
| SHA1 | dcfbb6a5b8d05662c4858664f81693bb7f803b82 |
| SHA256 | 4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611 |
| SHA512 | b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | d4ebed79c83a0e9abdacb41db36c8dbf |
| SHA1 | 85600a3ec8c5116577b7be450b991335a2cc3a68 |
| SHA256 | 7cc829be89d1d59f301ae5a89d2ab36b9a45547f1da064b373c172490480ba0a |
| SHA512 | 37b4f36a08786a83d15f4a4cbf5075721a77a15d9adbddba719f3b621d4005fe41598e71918d5927bd76a893410b5d44de30ac19ed2a561b8b2de5312f3b7ea9 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | 055a5d819d530849d09f57c71505876f |
| SHA1 | 0d48bccf3260233dfb057210fab5291ade08dcf9 |
| SHA256 | bb87086635494f758dbaef6de248b0788d232b13c9501466969924b3157b6bab |
| SHA512 | 7b486142a9901c561b74304120db5b6e29ccd1f567b8931ffc0270d0945f3054a1a9988e67556d4ca8c59f84f353f5843d34f103bd35ccc83f8eff23dbc54f60 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-02 11:39
Reported
2024-11-02 11:41
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
102s
Command Line
Signatures
Quasar RAT
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{5383EF74-273B-4278-AB0C-CDAA9FD5369E} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 010000000000000039bcf31d1c2ddb01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-123 = "Microsoft Word Document" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\MPEG2Demultiplexer | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.aifc\OpenWithList | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{C120DE80-FDE4-49F5-A713-E902EF062B8A} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000001364be1e1c2ddb01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-10 = "Microsoft Hangul Decomposition Transliteration" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-7 = "Microsoft Devanagari to Latin Transliteration" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{01BE4CFB-129A-452B-A209-F9D40B3B84A5} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000008645fd1d1c2ddb01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-184 = "Microsoft PowerPoint Macro-Enabled Design Template" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-116 = "Microsoft Excel Template" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@windows.storage.dll,-34583 = "Saved Pictures" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{F81B1B56-7613-4EE4-BC05-1FAB5DE5C07E} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000699fb91e1c2ddb01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-174 = "Microsoft PowerPoint Presentation" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-9 = "Microsoft Bengali to Latin Transliteration" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\searchfolder.dll,-9023 = "Saved Search" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-114 = "OpenDocument Spreadsheet" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.aifc | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{33154C99-BF49-443D-A73C-303A23ABBE97} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000000ce3fa1d1c2ddb01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{3DBEE9A1-C471-4B95-BBCA-F39310064458} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000a421b81d1c2ddb01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mht\OpenWithList | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-176 = "Microsoft PowerPoint Macro-Enabled Presentation" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-103 = "Microsoft Excel Macro-Enabled Worksheet" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-1 = "Microsoft Language Detection" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.aiff | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\ieframe.dll,-10046 = "Internet Shortcut" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{97E467B4-98C6-4F19-9588-161B7773D6F6} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000201ff61d1c2ddb01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-111 = "Microsoft Excel Macro-Enabled Template" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\MPEG2Demultiplexer | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.pdf\OpenWithList | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.svg | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9936 = "QuickTime Movie" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-4 = "Microsoft Simplified Chinese to Traditional Chinese Transliteration" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-8 = "Microsoft Malayalam to Latin Transliteration" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\Windows.UI.Immersive.dll,-38304 = "Public Account Pictures" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-101 = "Microsoft Excel Worksheet" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\ieframe.dll,-12385 = "Favorites Bar" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.DVR-MS\OpenWithList | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.aiff\OpenWithList | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum 64-bit\{E0F158E1-CB04-11D0-BD4E-00A0C911CE86}\Default DirectSound Device | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{5985FC23-2588-4D9A-B38B-7E7AFFAB3155} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 01000000000000004231281e1c2ddb01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9905 = "Video Clip" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-175 = "Microsoft PowerPoint Slide Show" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-127 = "OpenDocument Text" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Program Files\Microsoft Office\Root\VFS\ProgramFilesCommonX86\Microsoft Shared\Office16\oregres.dll,-140 = "Microsoft OneNote Section" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\ieframe.dll,-913 = "MHTML Document" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.htm\OpenWithList | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\unregmp2.exe,-9907 = "MIDI Sequence" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\System32\ieframe.dll,-912 = "HTML Document" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows | C:\Windows\system32\SearchFilterHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@C:\Windows\system32\notepad.exe,-469 = "Text Document" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.mhtml | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@windows.storage.dll,-21825 = "3D Objects" | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached | C:\Windows\system32\SearchProtocolHost.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32,@elscore.dll,-6 = "Microsoft Cyrillic to Latin Transliteration" | C:\Windows\system32\SearchIndexer.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{1E589E9D-8A8D-46D9-A2F9-E6D4F8161EE9} {886D8EEB-8CF2-4446-8D02-CDBA1DBDCF99} 0xFFFF = 0100000000000000d9cb441e1c2ddb01 | C:\Windows\system32\SearchProtocolHost.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Client-built.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\system32\SearchIndexer.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Windows\system32\SearchIndexer.exe
C:\Windows\system32\SearchIndexer.exe /Embedding
C:\Windows\system32\SearchProtocolHost.exe
"C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe1_ Global\UsGthrCtrlFltPipeMssGthrPipe1 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon"
C:\Windows\system32\SearchFilterHost.exe
"C:\Windows\system32\SearchFilterHost.exe" 0 800 804 812 8192 808 784
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 178.11.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| N/A | 192.168.0.102:4782 | tcp | |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| N/A | 192.168.0.102:4782 | tcp | |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 110.11.19.2.in-addr.arpa | udp |
| N/A | 192.168.0.102:4782 | tcp | |
| US | 8.8.8.8:53 | 136.11.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| N/A | 192.168.0.102:4782 | tcp | |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
Files
memory/2208-0-0x00007FFEAA393000-0x00007FFEAA395000-memory.dmp
memory/2208-1-0x0000000000810000-0x0000000000B34000-memory.dmp
memory/2208-2-0x00007FFEAA390000-0x00007FFEAAE51000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | 96dbf079644fad007ddee4a898bdb096 |
| SHA1 | 3eec62ed768ce4a1181f00a0dd6cca3564e1f9f1 |
| SHA256 | 3b3900adf2232fb5a995c9f6884feededfbe4a862a076ac3af936e4b5a858887 |
| SHA512 | 356a13c7ab5bb02ee79a2ff9525f0f8ca832302fba37cf140af8264d31933a00745b59d7f742a42ef0576964f6e112580430996ac068f63c4112907c69471385 |
memory/2208-10-0x00007FFEAA390000-0x00007FFEAAE51000-memory.dmp
memory/4856-9-0x00007FFEAA390000-0x00007FFEAAE51000-memory.dmp
memory/4856-11-0x00007FFEAA390000-0x00007FFEAAE51000-memory.dmp
memory/4856-12-0x000000001B960000-0x000000001B9B0000-memory.dmp
memory/4856-13-0x000000001BFD0000-0x000000001C082000-memory.dmp
memory/4856-14-0x00007FFEAA390000-0x00007FFEAAE51000-memory.dmp
memory/4856-15-0x000000001C900000-0x000000001CE28000-memory.dmp
memory/4788-17-0x000001FE8A050000-0x000001FE8A060000-memory.dmp
memory/4788-34-0x000001FE8A160000-0x000001FE8A170000-memory.dmp
memory/4788-49-0x000001FE8E640000-0x000001FE8E648000-memory.dmp
memory/4788-53-0x000001FE912D0000-0x000001FE912D8000-memory.dmp
memory/4568-55-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-56-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-57-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-60-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-59-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-58-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-62-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-63-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-65-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-66-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-64-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-69-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-70-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-68-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-67-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-61-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-71-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-72-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-73-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-76-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-75-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-74-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-77-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-84-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-83-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-82-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-81-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-80-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-79-0x000002002C0F0000-0x000002002C100000-memory.dmp
memory/4568-78-0x000002002C0F0000-0x000002002C100000-memory.dmp