Analysis
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max time kernel
150s -
max time network
151s -
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 06:41
Static task
static1
General
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Target
7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe
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Size
4.0MB
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MD5
ced9ce071374288f2693690497e01c7b
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SHA1
ad5f13ec7664ebaca6e6eaf5bc7bb270493d785d
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SHA256
7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff
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SHA512
4c2c3cb7af50fc7fc59aa3dc2dafbbffd7ce2452f473ac00a4b3ac310c40b6cfe1ec3c5774a06d25c84608e7804c8fefd5e08fa0bf922940d6ed9713b3c030a7
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SSDEEP
98304:jsKHmXjoqRlE4sWWoC1apsGi1e0TmmXBCPR1dEvX:GXcqoeu1aeGiQ3Ne
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
Processes:
svchost.exedescription pid process target process PID 4988 created 2384 4988 svchost.exe 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe PID 4988 created 1264 4988 svchost.exe csrss.exe PID 4988 created 1264 4988 svchost.exe csrss.exe PID 4988 created 1264 4988 svchost.exe csrss.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 1264 csrss.exe 2568 injector.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
Processes:
7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.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\"" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.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:
7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exedescription ioc process File opened for modification C:\Windows\rss 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe File created C:\Windows\rss\csrss.exe 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.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 4580 schtasks.exe 4196 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.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" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.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" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.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" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.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" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.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" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exeinjector.execsrss.exepid process 2384 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe 2384 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 1264 csrss.exe 1264 csrss.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 1264 csrss.exe 1264 csrss.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe 2568 injector.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exesvchost.execsrss.exedescription pid process Token: SeDebugPrivilege 2384 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Token: SeImpersonatePrivilege 2384 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe Token: SeTcbPrivilege 4988 svchost.exe Token: SeTcbPrivilege 4988 svchost.exe Token: SeBackupPrivilege 4988 svchost.exe Token: SeRestorePrivilege 4988 svchost.exe Token: SeBackupPrivilege 4988 svchost.exe Token: SeRestorePrivilege 4988 svchost.exe Token: SeBackupPrivilege 4988 svchost.exe Token: SeRestorePrivilege 4988 svchost.exe Token: SeBackupPrivilege 4988 svchost.exe Token: SeRestorePrivilege 4988 svchost.exe Token: SeSystemEnvironmentPrivilege 1264 csrss.exe Token: SeBackupPrivilege 4988 svchost.exe Token: SeRestorePrivilege 4988 svchost.exe Token: SeBackupPrivilege 4988 svchost.exe Token: SeRestorePrivilege 4988 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
svchost.exe7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.execmd.execsrss.exedescription pid process target process PID 4988 wrote to memory of 5044 4988 svchost.exe 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe PID 4988 wrote to memory of 5044 4988 svchost.exe 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe PID 4988 wrote to memory of 5044 4988 svchost.exe 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe PID 5044 wrote to memory of 4568 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe cmd.exe PID 5044 wrote to memory of 4568 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe cmd.exe PID 4568 wrote to memory of 3668 4568 cmd.exe netsh.exe PID 4568 wrote to memory of 3668 4568 cmd.exe netsh.exe PID 5044 wrote to memory of 1264 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe csrss.exe PID 5044 wrote to memory of 1264 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe csrss.exe PID 5044 wrote to memory of 1264 5044 7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe csrss.exe PID 4988 wrote to memory of 4580 4988 svchost.exe schtasks.exe PID 4988 wrote to memory of 4580 4988 svchost.exe schtasks.exe PID 4988 wrote to memory of 4432 4988 svchost.exe schtasks.exe PID 4988 wrote to memory of 4432 4988 svchost.exe schtasks.exe PID 1264 wrote to memory of 2568 1264 csrss.exe injector.exe PID 1264 wrote to memory of 2568 1264 csrss.exe injector.exe PID 4988 wrote to memory of 4196 4988 svchost.exe schtasks.exe PID 4988 wrote to memory of 4196 4988 svchost.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe"C:\Users\Admin\AppData\Local\Temp\7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.exe"C:\Users\Admin\AppData\Local\Temp\7db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff.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
4.0MB
MD5ced9ce071374288f2693690497e01c7b
SHA1ad5f13ec7664ebaca6e6eaf5bc7bb270493d785d
SHA2567db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff
SHA5124c2c3cb7af50fc7fc59aa3dc2dafbbffd7ce2452f473ac00a4b3ac310c40b6cfe1ec3c5774a06d25c84608e7804c8fefd5e08fa0bf922940d6ed9713b3c030a7
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C:\Windows\rss\csrss.exeFilesize
4.0MB
MD5ced9ce071374288f2693690497e01c7b
SHA1ad5f13ec7664ebaca6e6eaf5bc7bb270493d785d
SHA2567db1e70a87b1699ce009ca36eee1bf71f13aebb322d24c8135971919669675ff
SHA5124c2c3cb7af50fc7fc59aa3dc2dafbbffd7ce2452f473ac00a4b3ac310c40b6cfe1ec3c5774a06d25c84608e7804c8fefd5e08fa0bf922940d6ed9713b3c030a7
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memory/1264-156-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/1264-144-0x0000000000000000-mapping.dmp
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memory/1264-148-0x0000000002E00000-0x00000000031E9000-memory.dmpFilesize
3.9MB
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memory/1264-151-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2384-139-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2384-135-0x0000000002B42000-0x0000000002F2B000-memory.dmpFilesize
3.9MB
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memory/2384-137-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/2384-136-0x0000000002F30000-0x00000000037A6000-memory.dmpFilesize
8.5MB
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memory/2568-152-0x0000000000000000-mapping.dmp
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memory/3668-142-0x0000000000000000-mapping.dmp
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memory/4196-155-0x0000000000000000-mapping.dmp
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memory/4432-150-0x0000000000000000-mapping.dmp
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memory/4568-140-0x0000000000000000-mapping.dmp
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memory/4580-149-0x0000000000000000-mapping.dmp
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memory/5044-147-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/5044-143-0x0000000000400000-0x0000000000C91000-memory.dmpFilesize
8.6MB
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memory/5044-141-0x0000000002A1F000-0x0000000002E08000-memory.dmpFilesize
3.9MB
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memory/5044-138-0x0000000000000000-mapping.dmp