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Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
14/03/2023, 13:58
Static task
static1
General
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Target
447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe
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Size
4.0MB
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MD5
0102ecbc4af83383ab21af82c9fc0953
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SHA1
e3874ee162f4fbe42bd090baf887a0b2a3475609
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SHA256
447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950
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SHA512
d2acb187d0a0adc70ad59901752b5be372cb60d65e36dd34fa4c60ca0101e5106906e4aea5597325c55aaccd1c814e98a0a9ec13fbe77f0f85f8ea8e2211f5db
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SSDEEP
98304:c62PUm5I+VJq9CdIsXg8x3LTgFjhnoV+X7WNCkNNE2:cD955J+GIsQ8x7TgjoM2NE2
Malware Config
Signatures
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Glupteba payload 14 IoCs
resource yara_rule behavioral1/memory/1980-122-0x0000000002E60000-0x00000000036D7000-memory.dmp family_glupteba behavioral1/memory/1980-123-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/1980-124-0x0000000002E60000-0x00000000036D7000-memory.dmp family_glupteba behavioral1/memory/2088-129-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/2452-132-0x00000000032F0000-0x0000000003B67000-memory.dmp family_glupteba behavioral1/memory/2452-138-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/2452-139-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/2452-140-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/2452-141-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/2452-142-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/2452-143-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/2452-144-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/2452-145-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba behavioral1/memory/2452-152-0x0000000000400000-0x0000000000C91000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4660 netsh.exe -
Executes dropped EXE 3 IoCs
pid Process 2452 csrss.exe 3712 injector.exe 764 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000600000001af5b-149.dat upx behavioral1/files/0x000600000001af5b-150.dat upx behavioral1/memory/764-151-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/764-153-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\S-1-5-21-1311743041-1167936498-546579926-1000\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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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe File created C:\Windows\rss\csrss.exe 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.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 2552 schtasks.exe 4828 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,-351 = "FLE Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.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" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.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" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.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" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.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" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.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" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.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" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.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" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.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" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.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" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace\Session netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1980 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 1980 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 2452 csrss.exe 2452 csrss.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 2452 csrss.exe 2452 csrss.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1980 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Token: SeImpersonatePrivilege 1980 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe Token: SeSystemEnvironmentPrivilege 2452 csrss.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2088 wrote to memory of 1428 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 70 PID 2088 wrote to memory of 1428 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 70 PID 1428 wrote to memory of 4660 1428 cmd.exe 72 PID 1428 wrote to memory of 4660 1428 cmd.exe 72 PID 2088 wrote to memory of 2452 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 73 PID 2088 wrote to memory of 2452 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 73 PID 2088 wrote to memory of 2452 2088 447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe 73 PID 2452 wrote to memory of 3712 2452 csrss.exe 79 PID 2452 wrote to memory of 3712 2452 csrss.exe 79 PID 2452 wrote to memory of 764 2452 csrss.exe 84 PID 2452 wrote to memory of 764 2452 csrss.exe 84 PID 2452 wrote to memory of 764 2452 csrss.exe 84 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe"C:\Users\Admin\AppData\Local\Temp\447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1980 -
C:\Users\Admin\AppData\Local\Temp\447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe"C:\Users\Admin\AppData\Local\Temp\447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950.exe"2⤵
- Windows security bypass
- Windows security modification
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2088 -
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:1428 -
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
- Modifies data under HKEY_USERS
PID:4660
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2452 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2552
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3676
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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:3712
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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:4828
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:764
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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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
4.0MB
MD50102ecbc4af83383ab21af82c9fc0953
SHA1e3874ee162f4fbe42bd090baf887a0b2a3475609
SHA256447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950
SHA512d2acb187d0a0adc70ad59901752b5be372cb60d65e36dd34fa4c60ca0101e5106906e4aea5597325c55aaccd1c814e98a0a9ec13fbe77f0f85f8ea8e2211f5db
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Filesize
4.0MB
MD50102ecbc4af83383ab21af82c9fc0953
SHA1e3874ee162f4fbe42bd090baf887a0b2a3475609
SHA256447954416e957bd6f8298ffe883e5860e0baf45dc3d39274b107905aff43e950
SHA512d2acb187d0a0adc70ad59901752b5be372cb60d65e36dd34fa4c60ca0101e5106906e4aea5597325c55aaccd1c814e98a0a9ec13fbe77f0f85f8ea8e2211f5db