Analysis
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max time kernel
150s -
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
23-09-2022 03:26
Static task
static1
General
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Target
0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe
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Size
4.1MB
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MD5
191fc382220e86949cb79cb54e268b08
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SHA1
07529235a51a3b9bb22c25a50c72ccfcf701ebec
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SHA256
0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd
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SHA512
c3d5d71248313ff2456a58f789bfe11dc5d5b72e073468edb67558141ec70c3d239b5dc6a93e63b1aa57c51567c962d854700775cf37dc6c96d012e8ce560bde
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SSDEEP
98304:tvFhteKinUxNh9/CMh0GKs4+SO+FQ/I0roobSV3MrRLV7PN8oJI0Zn:lFhIKuUfCMWsNukIYdUIBPN8oJIS
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
svchost.exedescription pid process target process PID 5024 created 5044 5024 svchost.exe 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe PID 5024 created 4088 5024 svchost.exe csrss.exe PID 5024 created 4088 5024 svchost.exe csrss.exe PID 5024 created 4088 5024 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 4088 csrss.exe 2772 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.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\"" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.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.
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Drops file in Windows directory 2 IoCs
Processes:
0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exedescription ioc process File opened for modification C:\Windows\rss 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe File created C:\Windows\rss\csrss.exe 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.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:
0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.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" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exeinjector.execsrss.exepid process 5044 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe 5044 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 4088 csrss.exe 4088 csrss.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 4088 csrss.exe 4088 csrss.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe 2772 injector.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 5044 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Token: SeImpersonatePrivilege 5044 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe Token: SeTcbPrivilege 5024 svchost.exe Token: SeTcbPrivilege 5024 svchost.exe Token: SeBackupPrivilege 5024 svchost.exe Token: SeRestorePrivilege 5024 svchost.exe Token: SeBackupPrivilege 5024 svchost.exe Token: SeRestorePrivilege 5024 svchost.exe Token: SeBackupPrivilege 5024 svchost.exe Token: SeRestorePrivilege 5024 svchost.exe Token: SeBackupPrivilege 5024 svchost.exe Token: SeRestorePrivilege 5024 svchost.exe Token: SeSystemEnvironmentPrivilege 4088 csrss.exe Token: SeBackupPrivilege 5024 svchost.exe Token: SeRestorePrivilege 5024 svchost.exe Token: SeBackupPrivilege 5024 svchost.exe Token: SeRestorePrivilege 5024 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
svchost.exe0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.execmd.execsrss.exedescription pid process target process PID 5024 wrote to memory of 3284 5024 svchost.exe 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe PID 5024 wrote to memory of 3284 5024 svchost.exe 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe PID 5024 wrote to memory of 3284 5024 svchost.exe 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe PID 3284 wrote to memory of 2708 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe cmd.exe PID 3284 wrote to memory of 2708 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe cmd.exe PID 2708 wrote to memory of 3016 2708 cmd.exe netsh.exe PID 2708 wrote to memory of 3016 2708 cmd.exe netsh.exe PID 3284 wrote to memory of 4088 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe csrss.exe PID 3284 wrote to memory of 4088 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe csrss.exe PID 3284 wrote to memory of 4088 3284 0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe csrss.exe PID 5024 wrote to memory of 3792 5024 svchost.exe schtasks.exe PID 5024 wrote to memory of 3792 5024 svchost.exe schtasks.exe PID 5024 wrote to memory of 100 5024 svchost.exe schtasks.exe PID 5024 wrote to memory of 100 5024 svchost.exe schtasks.exe PID 4088 wrote to memory of 2772 4088 csrss.exe injector.exe PID 4088 wrote to memory of 2772 4088 csrss.exe injector.exe PID 5024 wrote to memory of 680 5024 svchost.exe schtasks.exe PID 5024 wrote to memory of 680 5024 svchost.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe"C:\Users\Admin\AppData\Local\Temp\0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.exe"C:\Users\Admin\AppData\Local\Temp\0f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd.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
MD5191fc382220e86949cb79cb54e268b08
SHA107529235a51a3b9bb22c25a50c72ccfcf701ebec
SHA2560f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd
SHA512c3d5d71248313ff2456a58f789bfe11dc5d5b72e073468edb67558141ec70c3d239b5dc6a93e63b1aa57c51567c962d854700775cf37dc6c96d012e8ce560bde
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C:\Windows\rss\csrss.exeFilesize
4.1MB
MD5191fc382220e86949cb79cb54e268b08
SHA107529235a51a3b9bb22c25a50c72ccfcf701ebec
SHA2560f1dc5fe12a28b36a92157b6c45e710987e525afd4bae6dc6dc345f45fb16cdd
SHA512c3d5d71248313ff2456a58f789bfe11dc5d5b72e073468edb67558141ec70c3d239b5dc6a93e63b1aa57c51567c962d854700775cf37dc6c96d012e8ce560bde
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memory/100-148-0x0000000000000000-mapping.dmp
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memory/680-152-0x0000000000000000-mapping.dmp
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memory/2708-137-0x0000000000000000-mapping.dmp
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memory/2772-149-0x0000000000000000-mapping.dmp
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memory/3016-138-0x0000000000000000-mapping.dmp
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memory/3284-140-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/3284-135-0x0000000000000000-mapping.dmp
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memory/3284-144-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/3284-139-0x00000000029FB000-0x0000000002DE4000-memory.dmpFilesize
3.9MB
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memory/3792-147-0x0000000000000000-mapping.dmp
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memory/4088-145-0x0000000002E00000-0x00000000031E9000-memory.dmpFilesize
3.9MB
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memory/4088-146-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/4088-141-0x0000000000000000-mapping.dmp
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memory/4088-153-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/5044-136-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/5044-132-0x00000000029E6000-0x0000000002DCF000-memory.dmpFilesize
3.9MB
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memory/5044-134-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/5044-133-0x0000000002DD0000-0x0000000003646000-memory.dmpFilesize
8.5MB