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Analysis
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max time kernel
174s -
max time network
180s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
10/02/2023, 08:19
Static task
static1
General
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Target
8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe
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Size
4.2MB
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MD5
db24152012b6e4a2fdb8fea97c570cf0
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SHA1
21fcc7fb0d794a541ae0c72371366016d4aeebf9
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SHA256
8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9
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SHA512
07a61d4ff7db759f349931735a49f94979b2f4fedf46ccdac54499478a8f0843d2ef4a72209fad68d490d479b1ebdaea1a8b7419cad59cd79e7ca15c85bf928c
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SSDEEP
98304:F7x+bmWuh0xtZR3jppzMVwVah9Typ7oz4zG4bT:ubo0v3jppEwVc9up7g4h
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
description pid Process procid_target PID 3852 created 5072 3852 svchost.exe 77 PID 3852 created 4208 3852 svchost.exe 85 PID 3852 created 4208 3852 svchost.exe 85 PID 3852 created 4208 3852 svchost.exe 85 -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4904 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4208 csrss.exe 932 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description 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\"" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.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
description ioc Process File opened for modification C:\Windows\rss 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe File created C:\Windows\rss\csrss.exe 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2292 schtasks.exe 1912 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.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" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.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" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5072 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 5072 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 4208 csrss.exe 4208 csrss.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 4208 csrss.exe 4208 csrss.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe 932 injector.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
description pid Process Token: SeDebugPrivilege 5072 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Token: SeImpersonatePrivilege 5072 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe Token: SeTcbPrivilege 3852 svchost.exe Token: SeTcbPrivilege 3852 svchost.exe Token: SeBackupPrivilege 3852 svchost.exe Token: SeRestorePrivilege 3852 svchost.exe Token: SeBackupPrivilege 3852 svchost.exe Token: SeRestorePrivilege 3852 svchost.exe Token: SeBackupPrivilege 3852 svchost.exe Token: SeRestorePrivilege 3852 svchost.exe Token: SeBackupPrivilege 3852 svchost.exe Token: SeRestorePrivilege 3852 svchost.exe Token: SeSystemEnvironmentPrivilege 4208 csrss.exe Token: SeBackupPrivilege 3852 svchost.exe Token: SeRestorePrivilege 3852 svchost.exe Token: SeBackupPrivilege 3852 svchost.exe Token: SeRestorePrivilege 3852 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3852 wrote to memory of 3752 3852 svchost.exe 80 PID 3852 wrote to memory of 3752 3852 svchost.exe 80 PID 3852 wrote to memory of 3752 3852 svchost.exe 80 PID 3752 wrote to memory of 4368 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 82 PID 3752 wrote to memory of 4368 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 82 PID 4368 wrote to memory of 4904 4368 cmd.exe 84 PID 4368 wrote to memory of 4904 4368 cmd.exe 84 PID 3752 wrote to memory of 4208 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 85 PID 3752 wrote to memory of 4208 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 85 PID 3752 wrote to memory of 4208 3752 8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe 85 PID 3852 wrote to memory of 2292 3852 svchost.exe 86 PID 3852 wrote to memory of 2292 3852 svchost.exe 86 PID 3852 wrote to memory of 3756 3852 svchost.exe 87 PID 3852 wrote to memory of 3756 3852 svchost.exe 87 PID 4208 wrote to memory of 932 4208 csrss.exe 90 PID 4208 wrote to memory of 932 4208 csrss.exe 90 PID 3852 wrote to memory of 1912 3852 svchost.exe 92 PID 3852 wrote to memory of 1912 3852 svchost.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe"C:\Users\Admin\AppData\Local\Temp\8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5072 -
C:\Users\Admin\AppData\Local\Temp\8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.exe"C:\Users\Admin\AppData\Local\Temp\8574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9.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
PID:3752 -
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
PID:4368 -
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
PID:4904
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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
PID:4208 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2292
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3756
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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
PID:932
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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)
PID:1912
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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
PID:3852
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
4.2MB
MD5db24152012b6e4a2fdb8fea97c570cf0
SHA121fcc7fb0d794a541ae0c72371366016d4aeebf9
SHA2568574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9
SHA51207a61d4ff7db759f349931735a49f94979b2f4fedf46ccdac54499478a8f0843d2ef4a72209fad68d490d479b1ebdaea1a8b7419cad59cd79e7ca15c85bf928c
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Filesize
4.2MB
MD5db24152012b6e4a2fdb8fea97c570cf0
SHA121fcc7fb0d794a541ae0c72371366016d4aeebf9
SHA2568574b00513985b99d716f5f72260a484c2c781af49bcd24da0a94d3926374eb9
SHA51207a61d4ff7db759f349931735a49f94979b2f4fedf46ccdac54499478a8f0843d2ef4a72209fad68d490d479b1ebdaea1a8b7419cad59cd79e7ca15c85bf928c