Analysis
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max time kernel
143s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2023 15:30
Static task
static1
General
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Target
d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe
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Size
4.2MB
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MD5
bdae5c1f631bbef308851b92e5217937
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SHA1
2e5c40ddcf6138ae41c70a38c0942fc607a713c2
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SHA256
d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507
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SHA512
468ca5cebd821c21f6611ea2500f4069ab866b088f1bf1fa17ff2ebabe562a662f238d00be44bc8a482872d66ea7b6b558d70ddc9100eaa03ba843e767d7dbcf
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SSDEEP
98304:g/SSDFPfEo0E8g7l1rfyK61cXzTH4I0biMTz:gpDFPfLX7XfyKZP4IkiM3
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/4480-134-0x0000000002F10000-0x00000000037FB000-memory.dmp family_glupteba behavioral1/memory/4480-174-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4480-179-0x0000000002F10000-0x00000000037FB000-memory.dmp family_glupteba behavioral1/memory/4480-218-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4588-234-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4588-292-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1752-320-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1752-355-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1752-366-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1752-370-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1752-374-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1752-378-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1752-382-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1752-386-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1752-396-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/1752-398-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4800 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 1752 csrss.exe 2412 injector.exe 1720 windefender.exe 3816 windefender.exe 4172 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000700000002314e-360.dat upx behavioral1/files/0x000700000002314e-361.dat upx behavioral1/files/0x000700000002314e-362.dat upx behavioral1/memory/1720-363-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3816-364-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1720-365-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3816-369-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3816-381-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0003000000021a94-393.dat upx behavioral1/files/0x0003000000021a94-394.dat upx behavioral1/memory/4172-395-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/3816-397-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4172-401-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/4172-404-0x0000000000400000-0x0000000000C25000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.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 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 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 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe File created C:\Windows\rss\csrss.exe d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.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 4908 sc.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 3892 schtasks.exe 824 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.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" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3876 powershell.exe 3876 powershell.exe 4480 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 4480 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 2080 powershell.exe 2080 powershell.exe 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 3900 powershell.exe 3900 powershell.exe 1380 powershell.exe 1380 powershell.exe 3836 powershell.exe 3836 powershell.exe 448 powershell.exe 448 powershell.exe 4284 powershell.exe 4284 powershell.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 1752 csrss.exe 1752 csrss.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 1752 csrss.exe 1752 csrss.exe 2412 injector.exe 2412 injector.exe 1752 csrss.exe 1752 csrss.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe 2412 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3876 powershell.exe Token: SeDebugPrivilege 4480 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Token: SeImpersonatePrivilege 4480 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe Token: SeDebugPrivilege 2080 powershell.exe Token: SeDebugPrivilege 3900 powershell.exe Token: SeDebugPrivilege 1380 powershell.exe Token: SeDebugPrivilege 3836 powershell.exe Token: SeDebugPrivilege 448 powershell.exe Token: SeDebugPrivilege 4284 powershell.exe Token: SeSystemEnvironmentPrivilege 1752 csrss.exe Token: SeSecurityPrivilege 4908 sc.exe Token: SeSecurityPrivilege 4908 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4480 wrote to memory of 3876 4480 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 87 PID 4480 wrote to memory of 3876 4480 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 87 PID 4480 wrote to memory of 3876 4480 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 87 PID 4588 wrote to memory of 2080 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 95 PID 4588 wrote to memory of 2080 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 95 PID 4588 wrote to memory of 2080 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 95 PID 4588 wrote to memory of 1440 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 97 PID 4588 wrote to memory of 1440 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 97 PID 1440 wrote to memory of 4800 1440 cmd.exe 99 PID 1440 wrote to memory of 4800 1440 cmd.exe 99 PID 4588 wrote to memory of 3900 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 100 PID 4588 wrote to memory of 3900 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 100 PID 4588 wrote to memory of 3900 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 100 PID 4588 wrote to memory of 1380 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 102 PID 4588 wrote to memory of 1380 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 102 PID 4588 wrote to memory of 1380 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 102 PID 4588 wrote to memory of 1752 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 104 PID 4588 wrote to memory of 1752 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 104 PID 4588 wrote to memory of 1752 4588 d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe 104 PID 1752 wrote to memory of 3836 1752 csrss.exe 106 PID 1752 wrote to memory of 3836 1752 csrss.exe 106 PID 1752 wrote to memory of 3836 1752 csrss.exe 106 PID 1752 wrote to memory of 448 1752 csrss.exe 112 PID 1752 wrote to memory of 448 1752 csrss.exe 112 PID 1752 wrote to memory of 448 1752 csrss.exe 112 PID 1752 wrote to memory of 4284 1752 csrss.exe 114 PID 1752 wrote to memory of 4284 1752 csrss.exe 114 PID 1752 wrote to memory of 4284 1752 csrss.exe 114 PID 1752 wrote to memory of 2412 1752 csrss.exe 116 PID 1752 wrote to memory of 2412 1752 csrss.exe 116 PID 1720 wrote to memory of 2148 1720 windefender.exe 122 PID 1720 wrote to memory of 2148 1720 windefender.exe 122 PID 1720 wrote to memory of 2148 1720 windefender.exe 122 PID 2148 wrote to memory of 4908 2148 cmd.exe 123 PID 2148 wrote to memory of 4908 2148 cmd.exe 123 PID 2148 wrote to memory of 4908 2148 cmd.exe 123 PID 1752 wrote to memory of 4172 1752 csrss.exe 125 PID 1752 wrote to memory of 4172 1752 csrss.exe 125 PID 1752 wrote to memory of 4172 1752 csrss.exe 125 -
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\d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe"C:\Users\Admin\AppData\Local\Temp\d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3876
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C:\Users\Admin\AppData\Local\Temp\d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.exe"C:\Users\Admin\AppData\Local\Temp\d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507.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:4588 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2080
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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:1440 -
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:4800
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3900
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1380
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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:1752 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3836
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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:3892
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2644
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:448
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4284
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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:2412
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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:824
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1720 -
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:2148 -
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:4908
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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:4172 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1208
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:3708
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3816
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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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
99KB
MD509031a062610d77d685c9934318b4170
SHA1880f744184e7774f3d14c1bb857e21cc7fe89a6d
SHA256778bd69af403df3c4e074c31b3850d71bf0e64524bea4272a802ca9520b379dd
SHA5129a276e1f0f55d35f2bf38eb093464f7065bdd30a660e6d1c62eed5e76d1fb2201567b89d9ae65d2d89dc99b142159e36fb73be8d5e08252a975d50544a7cda27
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5791276de6922e41b55b861e87c7e6b8c
SHA1232cbf50382bced1331527ab3780fc3c87abb02f
SHA256a3bb2561e8d5518b05c7897e56b798c47eca87369772035732df14749d833eab
SHA512555008f7215dd16328f231755427ff647e06873a348ac9fa99235f229912d0d79fc4b593f4c37bf561494524a4392e26a9a3ce391c1bd34c8d55cdd4cf20e55f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD530798358f16aee850eb19b8583572a09
SHA1636b21483ed48ad833fd64d50704dfc5ff1dd7a1
SHA256f1bc5d5e3176634b3e797784cf285ef15febc94bffe7d8b542a16dad5e872e89
SHA512ac5216e975476e2204ee3cb2257c40498d82b3c9b80af1173a782d21d5674dd7e72217c95921974f3bc47b09a05de031252316911d483bb5963cf9d6baa80c6b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5feab19bb9b9709696d7090ef8214f05a
SHA12ef07bc0136c944e86232de820fb17cc6b3d3579
SHA25662245e6e46814748a31acfe9917efc12955b50ed49fa363079ea4dfdb2fcd4bf
SHA512b2c3fc0e655d2371e8f65bb16ccb1304521b6f6c807cf8df8b142f5aac21bf6a201c242ae24a84be7019b81df7338f1d1ef632c7a6cd0e9f86f443fd3746f7f2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD529bb67261472469e4699ae4a195f1f78
SHA1d16d2ff0ecb69326a5a7aa6fa9c760b54e46c89e
SHA256e2b4f931d1993ca33eab2956167382bab0d4c79da802159b43ded8aaa3f02ed4
SHA51227894f1a3a36cc4ad24ce153691e0d5104dbca48d3261530e4e617636e9d5557561237a09ef6cf5f2a574f9a6c4804178c06e632f49fb8d7775d1a4d8e7bc152
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD530f074c5829c527303859ebbf1e316cb
SHA1eb79068b4876b0952c682a22cb79d95078a8cee9
SHA256507f5efbbb21fcfb94d399ef5dcb8ec274fbd1313b746e21de3368cf3b5e667e
SHA512e3d2201cdafb9384c095db14443ceadfa0b46ba7bae54510fdcb2055269e950a5742f0ad9195848bc2127f01c64373f532028cfec5dc0cec820b357df8d55344
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Filesize
4.2MB
MD5bdae5c1f631bbef308851b92e5217937
SHA12e5c40ddcf6138ae41c70a38c0942fc607a713c2
SHA256d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507
SHA512468ca5cebd821c21f6611ea2500f4069ab866b088f1bf1fa17ff2ebabe562a662f238d00be44bc8a482872d66ea7b6b558d70ddc9100eaa03ba843e767d7dbcf
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Filesize
4.2MB
MD5bdae5c1f631bbef308851b92e5217937
SHA12e5c40ddcf6138ae41c70a38c0942fc607a713c2
SHA256d4a5a3496fc84a7b0cca69980cac9cf602ed6121ce0a8457c4e0ac07a5f41507
SHA512468ca5cebd821c21f6611ea2500f4069ab866b088f1bf1fa17ff2ebabe562a662f238d00be44bc8a482872d66ea7b6b558d70ddc9100eaa03ba843e767d7dbcf
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec