Analysis
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max time kernel
150s -
max time network
147s -
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 17:42
Static task
static1
General
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Target
9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe
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Size
4.0MB
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MD5
199253e00e9e81a3409658b2b7a3cca8
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SHA1
d018a6bb605cde98a56bcee2725d8c427c8aad5a
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SHA256
9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54
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SHA512
648f7752417641c5b70e7c57992c7a509c7f88a430fde9febb759ffba515cfc240f9e8a75d8f3e3db604994b4a3c2d91f89ec16e708e0894c6c6b6748347ad64
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SSDEEP
98304:3gA+JOCfNzCO73pnpMV+XW8GBvaMo8fGf1VbC1F:aOClOODpp2+4vaf8fGtVbsF
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
svchost.exedescription pid process target process PID 3952 created 1308 3952 svchost.exe 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe PID 3952 created 3996 3952 svchost.exe csrss.exe PID 3952 created 3996 3952 svchost.exe csrss.exe PID 3952 created 3996 3952 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 3996 csrss.exe 3584 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.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\"" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.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:
9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exedescription ioc process File opened for modification C:\Windows\rss 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe File created C:\Windows\rss\csrss.exe 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.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 4420 schtasks.exe 3428 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
csrss.exe9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.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" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.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" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs csrss.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs csrss.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" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates csrss.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.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" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.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,-661 = "Cen. Australia Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.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,-1822 = "Russia TZ 1 Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.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" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exeinjector.execsrss.exepid process 1308 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe 1308 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3996 csrss.exe 3996 csrss.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3996 csrss.exe 3996 csrss.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe 3584 injector.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 1308 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Token: SeImpersonatePrivilege 1308 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe Token: SeTcbPrivilege 3952 svchost.exe Token: SeTcbPrivilege 3952 svchost.exe Token: SeBackupPrivilege 3952 svchost.exe Token: SeRestorePrivilege 3952 svchost.exe Token: SeBackupPrivilege 3952 svchost.exe Token: SeRestorePrivilege 3952 svchost.exe Token: SeBackupPrivilege 3952 svchost.exe Token: SeRestorePrivilege 3952 svchost.exe Token: SeBackupPrivilege 3952 svchost.exe Token: SeRestorePrivilege 3952 svchost.exe Token: SeSystemEnvironmentPrivilege 3996 csrss.exe Token: SeBackupPrivilege 3952 svchost.exe Token: SeRestorePrivilege 3952 svchost.exe Token: SeBackupPrivilege 3952 svchost.exe Token: SeRestorePrivilege 3952 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
svchost.exe9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.execmd.execsrss.exedescription pid process target process PID 3952 wrote to memory of 2688 3952 svchost.exe 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe PID 3952 wrote to memory of 2688 3952 svchost.exe 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe PID 3952 wrote to memory of 2688 3952 svchost.exe 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe PID 2688 wrote to memory of 5076 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe cmd.exe PID 2688 wrote to memory of 5076 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe cmd.exe PID 5076 wrote to memory of 2088 5076 cmd.exe netsh.exe PID 5076 wrote to memory of 2088 5076 cmd.exe netsh.exe PID 2688 wrote to memory of 3996 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe csrss.exe PID 2688 wrote to memory of 3996 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe csrss.exe PID 2688 wrote to memory of 3996 2688 9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe csrss.exe PID 3952 wrote to memory of 4420 3952 svchost.exe schtasks.exe PID 3952 wrote to memory of 4420 3952 svchost.exe schtasks.exe PID 3952 wrote to memory of 1684 3952 svchost.exe schtasks.exe PID 3952 wrote to memory of 1684 3952 svchost.exe schtasks.exe PID 3996 wrote to memory of 3584 3996 csrss.exe injector.exe PID 3996 wrote to memory of 3584 3996 csrss.exe injector.exe PID 3952 wrote to memory of 3428 3952 svchost.exe schtasks.exe PID 3952 wrote to memory of 3428 3952 svchost.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe"C:\Users\Admin\AppData\Local\Temp\9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.exe"C:\Users\Admin\AppData\Local\Temp\9e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54.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
MD5199253e00e9e81a3409658b2b7a3cca8
SHA1d018a6bb605cde98a56bcee2725d8c427c8aad5a
SHA2569e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54
SHA512648f7752417641c5b70e7c57992c7a509c7f88a430fde9febb759ffba515cfc240f9e8a75d8f3e3db604994b4a3c2d91f89ec16e708e0894c6c6b6748347ad64
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C:\Windows\rss\csrss.exeFilesize
4.0MB
MD5199253e00e9e81a3409658b2b7a3cca8
SHA1d018a6bb605cde98a56bcee2725d8c427c8aad5a
SHA2569e7f82a94f2c370595b1961a6c1deebc72067f301ac0ed9b7eada097a5f5de54
SHA512648f7752417641c5b70e7c57992c7a509c7f88a430fde9febb759ffba515cfc240f9e8a75d8f3e3db604994b4a3c2d91f89ec16e708e0894c6c6b6748347ad64
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memory/1308-132-0x00000000028F7000-0x0000000002CE0000-memory.dmpFilesize
3.9MB
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memory/1308-136-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/1308-133-0x0000000002CF0000-0x0000000003566000-memory.dmpFilesize
8.5MB
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memory/1308-134-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/1684-148-0x0000000000000000-mapping.dmp
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memory/2088-138-0x0000000000000000-mapping.dmp
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memory/2688-135-0x0000000000000000-mapping.dmp
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memory/2688-144-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2688-140-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2688-139-0x0000000002946000-0x0000000002D2F000-memory.dmpFilesize
3.9MB
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memory/3428-152-0x0000000000000000-mapping.dmp
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memory/3584-149-0x0000000000000000-mapping.dmp
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memory/3996-153-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/3996-145-0x0000000002E00000-0x00000000031E9000-memory.dmpFilesize
3.9MB
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memory/3996-146-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/3996-141-0x0000000000000000-mapping.dmp
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memory/4420-147-0x0000000000000000-mapping.dmp
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memory/5076-137-0x0000000000000000-mapping.dmp