Analysis
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max time kernel
153s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01-02-2023 13:47
Static task
static1
General
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Target
d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe
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Size
4.1MB
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MD5
1e30e8b2bdc5f1b90843e4be86975988
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SHA1
8e33d429510d3f0161f6528a9fcfa6d231921952
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SHA256
d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271
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SHA512
c7d24e1f3e0f9da1a8f661d3945dd140cdc1f58f06e46f7c44d88998ffd721850677d68d7212fb141097462b1ca8e438c5f57ccbca8d2d8d161598e7caf0861b
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SSDEEP
98304:H6fyeZOkSsXCJDxp7vbPmU2t0bQU77LS5iWoBjdXw1FywH41vm:H6f3ZOkSsSJbX2t0b177m5v4jG1FTP
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
svchost.exedescription pid process target process PID 2468 created 8 2468 svchost.exe d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe PID 2468 created 3468 2468 svchost.exe csrss.exe PID 2468 created 3468 2468 svchost.exe csrss.exe PID 2468 created 3468 2468 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 3468 csrss.exe 732 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Windows directory 2 IoCs
Processes:
d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exedescription ioc process File opened for modification C:\Windows\rss d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe File created C:\Windows\rss\csrss.exe d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 64 IoCs
Processes:
d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exed08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exeinjector.execsrss.exepid process 8 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe 8 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 3468 csrss.exe 3468 csrss.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 3468 csrss.exe 3468 csrss.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe 732 injector.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 8 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Token: SeImpersonatePrivilege 8 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe Token: SeTcbPrivilege 2468 svchost.exe Token: SeTcbPrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeSystemEnvironmentPrivilege 3468 csrss.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe Token: SeBackupPrivilege 2468 svchost.exe Token: SeRestorePrivilege 2468 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
svchost.exed08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.execmd.execsrss.exedescription pid process target process PID 2468 wrote to memory of 1360 2468 svchost.exe d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe PID 2468 wrote to memory of 1360 2468 svchost.exe d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe PID 2468 wrote to memory of 1360 2468 svchost.exe d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe PID 1360 wrote to memory of 3876 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe cmd.exe PID 1360 wrote to memory of 3876 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe cmd.exe PID 3876 wrote to memory of 3496 3876 cmd.exe netsh.exe PID 3876 wrote to memory of 3496 3876 cmd.exe netsh.exe PID 1360 wrote to memory of 3468 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe csrss.exe PID 1360 wrote to memory of 3468 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe csrss.exe PID 1360 wrote to memory of 3468 1360 d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe csrss.exe PID 2468 wrote to memory of 2248 2468 svchost.exe schtasks.exe PID 2468 wrote to memory of 2248 2468 svchost.exe schtasks.exe PID 2468 wrote to memory of 3132 2468 svchost.exe schtasks.exe PID 2468 wrote to memory of 3132 2468 svchost.exe schtasks.exe PID 3468 wrote to memory of 732 3468 csrss.exe injector.exe PID 3468 wrote to memory of 732 3468 csrss.exe injector.exe PID 2468 wrote to memory of 748 2468 svchost.exe schtasks.exe PID 2468 wrote to memory of 748 2468 svchost.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe"C:\Users\Admin\AppData\Local\Temp\d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe"C:\Users\Admin\AppData\Local\Temp\d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271.exe"2⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\rss\csrss.exeFilesize
4.1MB
MD51e30e8b2bdc5f1b90843e4be86975988
SHA18e33d429510d3f0161f6528a9fcfa6d231921952
SHA256d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271
SHA512c7d24e1f3e0f9da1a8f661d3945dd140cdc1f58f06e46f7c44d88998ffd721850677d68d7212fb141097462b1ca8e438c5f57ccbca8d2d8d161598e7caf0861b
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C:\Windows\rss\csrss.exeFilesize
4.1MB
MD51e30e8b2bdc5f1b90843e4be86975988
SHA18e33d429510d3f0161f6528a9fcfa6d231921952
SHA256d08f2a62455a59327aa57c8f49fe4a2db341f33c11392482a737eea1793fb271
SHA512c7d24e1f3e0f9da1a8f661d3945dd140cdc1f58f06e46f7c44d88998ffd721850677d68d7212fb141097462b1ca8e438c5f57ccbca8d2d8d161598e7caf0861b
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memory/8-133-0x0000000005290000-0x0000000005B07000-memory.dmpFilesize
8.5MB
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memory/8-134-0x0000000000400000-0x0000000002F78000-memory.dmpFilesize
43.5MB
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memory/8-132-0x0000000004EA2000-0x000000000528B000-memory.dmpFilesize
3.9MB
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memory/8-136-0x0000000000400000-0x0000000002F78000-memory.dmpFilesize
43.5MB
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memory/732-150-0x0000000000000000-mapping.dmp
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memory/748-153-0x0000000000000000-mapping.dmp
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memory/1360-140-0x0000000000400000-0x0000000002F78000-memory.dmpFilesize
43.5MB
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memory/1360-144-0x0000000000400000-0x0000000002F78000-memory.dmpFilesize
43.5MB
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memory/1360-139-0x0000000004BB8000-0x0000000004FA1000-memory.dmpFilesize
3.9MB
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memory/1360-135-0x0000000000000000-mapping.dmp
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memory/2248-148-0x0000000000000000-mapping.dmp
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memory/3132-149-0x0000000000000000-mapping.dmp
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memory/3468-147-0x0000000000400000-0x0000000002F78000-memory.dmpFilesize
43.5MB
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memory/3468-146-0x0000000000400000-0x0000000002F78000-memory.dmpFilesize
43.5MB
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memory/3468-145-0x0000000005200000-0x00000000055E9000-memory.dmpFilesize
3.9MB
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memory/3468-141-0x0000000000000000-mapping.dmp
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memory/3496-138-0x0000000000000000-mapping.dmp
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memory/3876-137-0x0000000000000000-mapping.dmp