Analysis
-
max time kernel
152s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2023 08:32
Static task
static1
General
-
Target
aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe
-
Size
4.1MB
-
MD5
750bb8485aa527c8a27ca7469e9fd166
-
SHA1
28bff604d8bccf4ba055d506742ee07960698443
-
SHA256
aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590
-
SHA512
9ed6aa676e992f826a76fbfc9a12b3efcd0a0416bd5564c829376d0fde39ee6e54f9164d1e5668324426a6194e195cd694c6b9241f138901b26909777dab007d
-
SSDEEP
98304:k5yI0SOgapeVXm3qHpKY0heUlhvM2rnyIPCcNWYl06mRSA:kP0ngHXPHpD0U6nBPsh
Malware Config
Signatures
-
Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
svchost.exedescription pid process target process PID 4188 created 4816 4188 svchost.exe aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe PID 4188 created 2168 4188 svchost.exe csrss.exe PID 4188 created 2168 4188 svchost.exe csrss.exe PID 4188 created 2168 4188 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 2168 csrss.exe 2676 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
-
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\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.
-
Drops file in Windows directory 2 IoCs
Processes:
aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exedescription ioc process File opened for modification C:\Windows\rss aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe File created C:\Windows\rss\csrss.exe aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 4596 schtasks.exe 2788 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exeaef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exeinjector.execsrss.exepid process 4816 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe 4816 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2168 csrss.exe 2168 csrss.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2168 csrss.exe 2168 csrss.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe 2676 injector.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 4816 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Token: SeImpersonatePrivilege 4816 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe Token: SeTcbPrivilege 4188 svchost.exe Token: SeTcbPrivilege 4188 svchost.exe Token: SeBackupPrivilege 4188 svchost.exe Token: SeRestorePrivilege 4188 svchost.exe Token: SeBackupPrivilege 4188 svchost.exe Token: SeRestorePrivilege 4188 svchost.exe Token: SeSystemEnvironmentPrivilege 2168 csrss.exe Token: SeBackupPrivilege 4188 svchost.exe Token: SeRestorePrivilege 4188 svchost.exe Token: SeBackupPrivilege 4188 svchost.exe Token: SeRestorePrivilege 4188 svchost.exe Token: SeBackupPrivilege 4188 svchost.exe Token: SeRestorePrivilege 4188 svchost.exe Token: SeBackupPrivilege 4188 svchost.exe Token: SeRestorePrivilege 4188 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
svchost.exeaef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.execmd.execsrss.exedescription pid process target process PID 4188 wrote to memory of 2204 4188 svchost.exe aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe PID 4188 wrote to memory of 2204 4188 svchost.exe aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe PID 4188 wrote to memory of 2204 4188 svchost.exe aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe PID 2204 wrote to memory of 4772 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe cmd.exe PID 2204 wrote to memory of 4772 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe cmd.exe PID 4772 wrote to memory of 4752 4772 cmd.exe netsh.exe PID 4772 wrote to memory of 4752 4772 cmd.exe netsh.exe PID 2204 wrote to memory of 2168 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe csrss.exe PID 2204 wrote to memory of 2168 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe csrss.exe PID 2204 wrote to memory of 2168 2204 aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe csrss.exe PID 4188 wrote to memory of 4596 4188 svchost.exe schtasks.exe PID 4188 wrote to memory of 4596 4188 svchost.exe schtasks.exe PID 4188 wrote to memory of 3816 4188 svchost.exe schtasks.exe PID 4188 wrote to memory of 3816 4188 svchost.exe schtasks.exe PID 2168 wrote to memory of 2676 2168 csrss.exe injector.exe PID 2168 wrote to memory of 2676 2168 csrss.exe injector.exe PID 4188 wrote to memory of 2788 4188 svchost.exe schtasks.exe PID 4188 wrote to memory of 2788 4188 svchost.exe schtasks.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe"C:\Users\Admin\AppData\Local\Temp\aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.exe"C:\Users\Admin\AppData\Local\Temp\aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590.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
-
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
-
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
-
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
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵
-
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
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
-
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
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeFilesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\rss\csrss.exeFilesize
4.1MB
MD5750bb8485aa527c8a27ca7469e9fd166
SHA128bff604d8bccf4ba055d506742ee07960698443
SHA256aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590
SHA5129ed6aa676e992f826a76fbfc9a12b3efcd0a0416bd5564c829376d0fde39ee6e54f9164d1e5668324426a6194e195cd694c6b9241f138901b26909777dab007d
-
C:\Windows\rss\csrss.exeFilesize
4.1MB
MD5750bb8485aa527c8a27ca7469e9fd166
SHA128bff604d8bccf4ba055d506742ee07960698443
SHA256aef0f8e2c992b684801594be4ccbab78bb11c5e90524ecdedb46f2720db1f590
SHA5129ed6aa676e992f826a76fbfc9a12b3efcd0a0416bd5564c829376d0fde39ee6e54f9164d1e5668324426a6194e195cd694c6b9241f138901b26909777dab007d
-
memory/2168-142-0x0000000000000000-mapping.dmp
-
memory/2168-153-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2168-148-0x0000000002E00000-0x00000000031E9000-memory.dmpFilesize
3.9MB
-
memory/2168-149-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2204-135-0x0000000000000000-mapping.dmp
-
memory/2204-141-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2204-140-0x0000000002A78000-0x0000000002E61000-memory.dmpFilesize
3.9MB
-
memory/2204-145-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/2676-150-0x0000000000000000-mapping.dmp
-
memory/2788-154-0x0000000000000000-mapping.dmp
-
memory/3816-147-0x0000000000000000-mapping.dmp
-
memory/4596-146-0x0000000000000000-mapping.dmp
-
memory/4752-139-0x0000000000000000-mapping.dmp
-
memory/4772-138-0x0000000000000000-mapping.dmp
-
memory/4816-132-0x0000000002B77000-0x0000000002F60000-memory.dmpFilesize
3.9MB
-
memory/4816-137-0x0000000002F70000-0x00000000037E7000-memory.dmpFilesize
8.5MB
-
memory/4816-136-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4816-134-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
-
memory/4816-133-0x0000000002F70000-0x00000000037E7000-memory.dmpFilesize
8.5MB