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 15:21
Static task
static1
General
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Target
2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe
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Size
4.0MB
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MD5
2407b734ad5f8d9839bb6c59437cc955
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SHA1
1888ff058ef29ab181066d242c30467b2fdd4b54
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SHA256
2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7
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SHA512
cf585ad15778e7bb78ca18cda17bb49616df2ede0702beac7024563d8ff560bfe5e53a939e651993ad54f126b93ff210e37f61f10090225cd82d52a8f92e4eab
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SSDEEP
98304:9ErKlf0+NjGcnMybUNudFu6Zs2wa2/kOI2MUE3eglt2cu66IyI:IQRfnMctdqfa2/kr2DEuh66s
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
svchost.exedescription pid process target process PID 472 created 4800 472 svchost.exe 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe PID 472 created 2508 472 svchost.exe csrss.exe PID 472 created 2508 472 svchost.exe csrss.exe PID 472 created 2508 472 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 2508 csrss.exe 2092 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\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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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Drops file in Windows directory 2 IoCs
Processes:
2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exedescription ioc process File opened for modification C:\Windows\rss 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe File created C:\Windows\rss\csrss.exe 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.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 3140 schtasks.exe 3484 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.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" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs csrss.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" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exeinjector.execsrss.exepid process 4800 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe 4800 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2508 csrss.exe 2508 csrss.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2508 csrss.exe 2508 csrss.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe 2092 injector.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 4800 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Token: SeImpersonatePrivilege 4800 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe Token: SeTcbPrivilege 472 svchost.exe Token: SeTcbPrivilege 472 svchost.exe Token: SeBackupPrivilege 472 svchost.exe Token: SeRestorePrivilege 472 svchost.exe Token: SeBackupPrivilege 472 svchost.exe Token: SeRestorePrivilege 472 svchost.exe Token: SeBackupPrivilege 472 svchost.exe Token: SeRestorePrivilege 472 svchost.exe Token: SeBackupPrivilege 472 svchost.exe Token: SeRestorePrivilege 472 svchost.exe Token: SeSystemEnvironmentPrivilege 2508 csrss.exe Token: SeBackupPrivilege 472 svchost.exe Token: SeRestorePrivilege 472 svchost.exe Token: SeBackupPrivilege 472 svchost.exe Token: SeRestorePrivilege 472 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
svchost.exe2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.execmd.execsrss.exedescription pid process target process PID 472 wrote to memory of 2680 472 svchost.exe 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe PID 472 wrote to memory of 2680 472 svchost.exe 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe PID 472 wrote to memory of 2680 472 svchost.exe 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe PID 2680 wrote to memory of 4128 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe cmd.exe PID 2680 wrote to memory of 4128 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe cmd.exe PID 4128 wrote to memory of 4448 4128 cmd.exe netsh.exe PID 4128 wrote to memory of 4448 4128 cmd.exe netsh.exe PID 2680 wrote to memory of 2508 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe csrss.exe PID 2680 wrote to memory of 2508 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe csrss.exe PID 2680 wrote to memory of 2508 2680 2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe csrss.exe PID 472 wrote to memory of 3140 472 svchost.exe schtasks.exe PID 472 wrote to memory of 3140 472 svchost.exe schtasks.exe PID 472 wrote to memory of 3156 472 svchost.exe schtasks.exe PID 472 wrote to memory of 3156 472 svchost.exe schtasks.exe PID 2508 wrote to memory of 2092 2508 csrss.exe injector.exe PID 2508 wrote to memory of 2092 2508 csrss.exe injector.exe PID 472 wrote to memory of 3484 472 svchost.exe schtasks.exe PID 472 wrote to memory of 3484 472 svchost.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe"C:\Users\Admin\AppData\Local\Temp\2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.exe"C:\Users\Admin\AppData\Local\Temp\2adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7.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
- Modifies data under HKEY_USERS
- 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
4.0MB
MD52407b734ad5f8d9839bb6c59437cc955
SHA11888ff058ef29ab181066d242c30467b2fdd4b54
SHA2562adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7
SHA512cf585ad15778e7bb78ca18cda17bb49616df2ede0702beac7024563d8ff560bfe5e53a939e651993ad54f126b93ff210e37f61f10090225cd82d52a8f92e4eab
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C:\Windows\rss\csrss.exeFilesize
4.0MB
MD52407b734ad5f8d9839bb6c59437cc955
SHA11888ff058ef29ab181066d242c30467b2fdd4b54
SHA2562adac2d98bc23fcfb1178236355ba2538d77d7ed14d11b4e0773a859aadb37b7
SHA512cf585ad15778e7bb78ca18cda17bb49616df2ede0702beac7024563d8ff560bfe5e53a939e651993ad54f126b93ff210e37f61f10090225cd82d52a8f92e4eab
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memory/2092-149-0x0000000000000000-mapping.dmp
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memory/2508-154-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2508-152-0x0000000002E00000-0x00000000031E9000-memory.dmpFilesize
3.9MB
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memory/2508-148-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2508-145-0x0000000002E00000-0x00000000031E9000-memory.dmpFilesize
3.9MB
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memory/2508-141-0x0000000000000000-mapping.dmp
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memory/2680-137-0x0000000002A62000-0x0000000002E4B000-memory.dmpFilesize
3.9MB
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memory/2680-144-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2680-139-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2680-135-0x0000000000000000-mapping.dmp
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memory/3140-146-0x0000000000000000-mapping.dmp
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memory/3156-147-0x0000000000000000-mapping.dmp
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memory/3484-153-0x0000000000000000-mapping.dmp
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memory/4128-138-0x0000000000000000-mapping.dmp
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memory/4448-140-0x0000000000000000-mapping.dmp
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memory/4800-132-0x0000000002A8D000-0x0000000002E76000-memory.dmpFilesize
3.9MB
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memory/4800-136-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/4800-134-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/4800-133-0x0000000002E80000-0x00000000036F6000-memory.dmpFilesize
8.5MB