Analysis
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max time kernel
151s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
11-02-2023 12:22
Static task
static1
General
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Target
891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe
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Size
4.2MB
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MD5
d03b4f3a82d147de9b6c64b5fc9fa973
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SHA1
b45c07d06e8eb904065198680046b703a8690def
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SHA256
891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9
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SHA512
f6fda08eb7da02f7ad937901a8f67f37e73b81f5657a0944107c47489e97a0a6480fecaf0632487b0d938e086a378f0074f8c59300f76d1a24cbbd1c4baf0f8d
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SSDEEP
98304:r2/L8tU2s0k0DghZAV+7dczDPk3U40Y6Ec:ML8E0kugMVQczs6r
Malware Config
Signatures
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Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
description pid Process procid_target PID 896 created 4824 896 svchost.exe 82 PID 896 created 2168 896 svchost.exe 91 PID 896 created 2168 896 svchost.exe 91 PID 896 created 2168 896 svchost.exe 91 -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4872 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2168 csrss.exe 1984 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe File created C:\Windows\rss\csrss.exe 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.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 4260 schtasks.exe 4360 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,-692 = "Tasmania Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.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" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.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" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.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" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4824 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 4824 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 2168 csrss.exe 2168 csrss.exe 2168 csrss.exe 2168 csrss.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe 1984 injector.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
description pid Process Token: SeDebugPrivilege 4824 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Token: SeImpersonatePrivilege 4824 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe Token: SeTcbPrivilege 896 svchost.exe Token: SeTcbPrivilege 896 svchost.exe Token: SeBackupPrivilege 896 svchost.exe Token: SeRestorePrivilege 896 svchost.exe Token: SeBackupPrivilege 896 svchost.exe Token: SeRestorePrivilege 896 svchost.exe Token: SeSystemEnvironmentPrivilege 2168 csrss.exe Token: SeBackupPrivilege 896 svchost.exe Token: SeRestorePrivilege 896 svchost.exe Token: SeBackupPrivilege 896 svchost.exe Token: SeRestorePrivilege 896 svchost.exe Token: SeBackupPrivilege 896 svchost.exe Token: SeRestorePrivilege 896 svchost.exe Token: SeBackupPrivilege 896 svchost.exe Token: SeRestorePrivilege 896 svchost.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 896 wrote to memory of 2796 896 svchost.exe 87 PID 896 wrote to memory of 2796 896 svchost.exe 87 PID 896 wrote to memory of 2796 896 svchost.exe 87 PID 2796 wrote to memory of 4072 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 88 PID 2796 wrote to memory of 4072 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 88 PID 4072 wrote to memory of 4872 4072 cmd.exe 90 PID 4072 wrote to memory of 4872 4072 cmd.exe 90 PID 2796 wrote to memory of 2168 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 91 PID 2796 wrote to memory of 2168 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 91 PID 2796 wrote to memory of 2168 2796 891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe 91 PID 896 wrote to memory of 4260 896 svchost.exe 92 PID 896 wrote to memory of 4260 896 svchost.exe 92 PID 896 wrote to memory of 3640 896 svchost.exe 94 PID 896 wrote to memory of 3640 896 svchost.exe 94 PID 2168 wrote to memory of 1984 2168 csrss.exe 96 PID 2168 wrote to memory of 1984 2168 csrss.exe 96 PID 896 wrote to memory of 4360 896 svchost.exe 98 PID 896 wrote to memory of 4360 896 svchost.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe"C:\Users\Admin\AppData\Local\Temp\891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4824 -
C:\Users\Admin\AppData\Local\Temp\891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.exe"C:\Users\Admin\AppData\Local\Temp\891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9.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:2796 -
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:4072 -
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:4872
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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:2168 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4260
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3640
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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:1984
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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:4360
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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:896
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
MD5d03b4f3a82d147de9b6c64b5fc9fa973
SHA1b45c07d06e8eb904065198680046b703a8690def
SHA256891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9
SHA512f6fda08eb7da02f7ad937901a8f67f37e73b81f5657a0944107c47489e97a0a6480fecaf0632487b0d938e086a378f0074f8c59300f76d1a24cbbd1c4baf0f8d
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Filesize
4.2MB
MD5d03b4f3a82d147de9b6c64b5fc9fa973
SHA1b45c07d06e8eb904065198680046b703a8690def
SHA256891f4a94ded87753dc7a2164c74eeb3211cd4a9de8779d2b0d90ff94c67abff9
SHA512f6fda08eb7da02f7ad937901a8f67f37e73b81f5657a0944107c47489e97a0a6480fecaf0632487b0d938e086a378f0074f8c59300f76d1a24cbbd1c4baf0f8d