Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 15:46
Static task
static1
Behavioral task
behavioral1
Sample
89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral2
Sample
89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe
Resource
win11-20240426-en
General
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Target
89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe
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Size
4.1MB
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MD5
5cc39f78859dd4906a29353160f5127a
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SHA1
8d30fc50456a61f36eeef444452bb9c12cac884c
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SHA256
89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4
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SHA512
f1379f3225118a00b193a326764ebb754c97faba50eb05672aab5c9298ab3d63ab123668cf48b682d3c1d93e1b524b497bb66922839bd0191782ce30c4961ca7
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SSDEEP
98304:M3tbwrB0kIuN3D8bfUXVQCwP9Kpl7QJG8rgohSw8D2z60ht59XC:MdQIuMQA9oQJ/gXDN
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/3180-2-0x0000000002DE0000-0x00000000036CB000-memory.dmp family_glupteba behavioral1/memory/3180-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3180-105-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3180-107-0x0000000002DE0000-0x00000000036CB000-memory.dmp family_glupteba behavioral1/memory/624-158-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1500-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3424 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1500 csrss.exe 4568 injector.exe 2212 windefender.exe 1136 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023427-222.dat upx behavioral1/memory/2212-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1136-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2212-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1136-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1136-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1136-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.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 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe File created C:\Windows\rss\csrss.exe 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1212 sc.exe -
pid Process 1972 powershell.exe 728 powershell.exe 5044 powershell.exe 4632 powershell.exe 4776 powershell.exe 3156 powershell.exe 4568 powershell.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 2376 schtasks.exe 2140 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4776 powershell.exe 4776 powershell.exe 3180 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 3180 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 3156 powershell.exe 3156 powershell.exe 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 4568 powershell.exe 4568 powershell.exe 1972 powershell.exe 1972 powershell.exe 728 powershell.exe 728 powershell.exe 5044 powershell.exe 5044 powershell.exe 4632 powershell.exe 4632 powershell.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 1500 csrss.exe 1500 csrss.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 1500 csrss.exe 1500 csrss.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 1500 csrss.exe 1500 csrss.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe 4568 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4776 powershell.exe Token: SeDebugPrivilege 3180 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Token: SeImpersonatePrivilege 3180 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe Token: SeDebugPrivilege 3156 powershell.exe Token: SeDebugPrivilege 4568 powershell.exe Token: SeDebugPrivilege 1972 powershell.exe Token: SeDebugPrivilege 728 powershell.exe Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 4632 powershell.exe Token: SeSystemEnvironmentPrivilege 1500 csrss.exe Token: SeSecurityPrivilege 1212 sc.exe Token: SeSecurityPrivilege 1212 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3180 wrote to memory of 4776 3180 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 86 PID 3180 wrote to memory of 4776 3180 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 86 PID 3180 wrote to memory of 4776 3180 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 86 PID 624 wrote to memory of 3156 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 95 PID 624 wrote to memory of 3156 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 95 PID 624 wrote to memory of 3156 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 95 PID 624 wrote to memory of 3104 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 98 PID 624 wrote to memory of 3104 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 98 PID 3104 wrote to memory of 3424 3104 cmd.exe 100 PID 3104 wrote to memory of 3424 3104 cmd.exe 100 PID 624 wrote to memory of 4568 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 101 PID 624 wrote to memory of 4568 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 101 PID 624 wrote to memory of 4568 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 101 PID 624 wrote to memory of 1972 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 103 PID 624 wrote to memory of 1972 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 103 PID 624 wrote to memory of 1972 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 103 PID 624 wrote to memory of 1500 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 105 PID 624 wrote to memory of 1500 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 105 PID 624 wrote to memory of 1500 624 89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe 105 PID 1500 wrote to memory of 728 1500 csrss.exe 106 PID 1500 wrote to memory of 728 1500 csrss.exe 106 PID 1500 wrote to memory of 728 1500 csrss.exe 106 PID 1500 wrote to memory of 5044 1500 csrss.exe 112 PID 1500 wrote to memory of 5044 1500 csrss.exe 112 PID 1500 wrote to memory of 5044 1500 csrss.exe 112 PID 1500 wrote to memory of 4632 1500 csrss.exe 114 PID 1500 wrote to memory of 4632 1500 csrss.exe 114 PID 1500 wrote to memory of 4632 1500 csrss.exe 114 PID 1500 wrote to memory of 4568 1500 csrss.exe 116 PID 1500 wrote to memory of 4568 1500 csrss.exe 116 PID 2212 wrote to memory of 720 2212 windefender.exe 123 PID 2212 wrote to memory of 720 2212 windefender.exe 123 PID 2212 wrote to memory of 720 2212 windefender.exe 123 PID 720 wrote to memory of 1212 720 cmd.exe 124 PID 720 wrote to memory of 1212 720 cmd.exe 124 PID 720 wrote to memory of 1212 720 cmd.exe 124 -
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\89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe"C:\Users\Admin\AppData\Local\Temp\89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3180 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4776
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C:\Users\Admin\AppData\Local\Temp\89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe"C:\Users\Admin\AppData\Local\Temp\89989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4.exe"2⤵
- 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:624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3156
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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
PID:3104 -
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:3424
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4568
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1972
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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.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:728
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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:2376
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3616
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5044
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4632
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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:4568
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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:2140
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:720 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:1212
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1136
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52ea4342df9d91b6376e40aa6dd76a2d9
SHA1fbc5db3d89c412a1b3c29ab1db44a4d918300558
SHA2560451e8b7b5821696fa4f9f4ee7064e567549f3af3e7a9072eafa0fc28dac6dc7
SHA51272e3f62147d32f8e4b897687689f6d3ff455667ce6803dfa334bd293d0e6b0b4bd14c3cfd56a4136e4223978170518a116961f1ec5345683fec5147aa5bb3efd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD520d1851c335d76932634776ce806e6c4
SHA18eb05f6f297785267fd56a000eb6c5eaad3525a9
SHA256d3b0eac4b8319850d8a3368ffd9228a49cb3fc05fa6e83e6f7e84a3896be7f7e
SHA5127c1e923fc972e9034212cb3c32ace49a3fe7d6daee3d176fbc6f1582e5010aa20782f809c1f582fec857ae2dfdde2b6c07687bd2003bb772806a543422fcf7b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5155cd83ad550362bbd2730b6b1cc846c
SHA1f8f3f8fbfdb368e6a8edbeab743649720c333865
SHA256f8170242b08e94fecec40ed316eb547e89a59f15f04bded92027843a8cd94e27
SHA51248ae368feb0b1f7acf709a28baaf085fd78cd638089d3b2d2c269f4424565028aeaf22738d9fc53e209f133112ce421df3b73cdc5606975d66ad300d8344cfad
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff02f2a93f43b0a4e99c0c66da3e059b
SHA1d1799e21ea048a1d38def8d2712aabc3660d3fd6
SHA2568c6dad2e61e2318bc2743c0cce2f3f30ec11e9beb3955e6701c182d5b3a17e9c
SHA512c312c37f11dc0f5df12e94c329531ee6385232d25a9f5bcb38eaa072860ddea45c2555812e10b3d02b1642d9cc5eeaad423455436c1f4c806d76eb4a298b1ae1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531bcea6205507dbeb1efdf0b4c6e6b2f
SHA1944a225552e903ac211a26507ecb437ac2d76149
SHA2567dd60152ade8e79ca82a5dc9e8467d5857e94fee0b1c6d15d33a7c720848e947
SHA51214dac751c0c4559a0c4d48d2498a8bd4dbe7a17189269abb3373380c6d60689e5ac6c8c1ab05609497a1b6facf876106b10b9e613f8e5d633c67a5671c2cb544
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Filesize
4.1MB
MD55cc39f78859dd4906a29353160f5127a
SHA18d30fc50456a61f36eeef444452bb9c12cac884c
SHA25689989a1aee94387ce1d00ce21c84f83678ece1065a6889d1b8572adb3e59f8c4
SHA512f1379f3225118a00b193a326764ebb754c97faba50eb05672aab5c9298ab3d63ab123668cf48b682d3c1d93e1b524b497bb66922839bd0191782ce30c4961ca7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec