Analysis
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max time kernel
147s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
04-06-2023 17:30
Static task
static1
General
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Target
77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe
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Size
4.2MB
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MD5
fadc46180646127e8acf1c104846c5b7
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SHA1
0cc6cc6d2bd11ec66c1b42dbc4c40c3886e58002
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SHA256
77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854
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SHA512
57ac8dc599da4b40007bc236749070a0b82e266e19817bd58d7c64eb45e665563b5c3c6052e1c51e705f8aa4b5dc753bbfb2fab59c818a8cab88d531af01b93d
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SSDEEP
98304:aEWKI3WY5VTr+ZgjF7qZfx+WPBiyxP5nuUnwNo++:NWDP51tjKfrPPJnwNo5
Malware Config
Signatures
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Glupteba payload 15 IoCs
resource yara_rule behavioral1/memory/1228-134-0x00000000053B0000-0x0000000005C9B000-memory.dmp family_glupteba behavioral1/memory/1228-173-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/1228-180-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/2208-209-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/2208-265-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/4524-318-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/4524-352-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/4524-361-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/4524-363-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/4524-365-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/4524-367-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/4524-369-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/4524-371-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/4524-373-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba behavioral1/memory/4524-381-0x0000000000400000-0x00000000030CE000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3132 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 4524 csrss.exe 3264 injector.exe 1992 windefender.exe 2636 windefender.exe 5016 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral1/files/0x000700000002315c-355.dat upx behavioral1/memory/1992-357-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000700000002315c-356.dat upx behavioral1/files/0x000700000002315c-358.dat upx behavioral1/memory/1992-359-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2636-360-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2636-362-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2636-368-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x0009000000023149-377.dat upx behavioral1/files/0x0009000000023149-378.dat upx behavioral1/memory/5016-379-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/2636-380-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5016-382-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/memory/5016-385-0x0000000000400000-0x0000000000C25000-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\"" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.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 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe File created C:\Windows\rss\csrss.exe 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4612 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 4432 schtasks.exe 2480 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,-651 = "AUS Central Daylight Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1408 powershell.exe 1408 powershell.exe 1228 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 1228 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 1676 powershell.exe 1676 powershell.exe 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 1484 powershell.exe 1484 powershell.exe 1700 powershell.exe 1700 powershell.exe 5080 powershell.exe 5080 powershell.exe 4212 powershell.exe 4212 powershell.exe 3884 powershell.exe 3884 powershell.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 4524 csrss.exe 4524 csrss.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 4524 csrss.exe 4524 csrss.exe 3264 injector.exe 3264 injector.exe 4524 csrss.exe 4524 csrss.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe 3264 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1408 powershell.exe Token: SeDebugPrivilege 1228 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Token: SeImpersonatePrivilege 1228 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe Token: SeDebugPrivilege 1676 powershell.exe Token: SeDebugPrivilege 1484 powershell.exe Token: SeDebugPrivilege 1700 powershell.exe Token: SeDebugPrivilege 5080 powershell.exe Token: SeDebugPrivilege 4212 powershell.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeSystemEnvironmentPrivilege 4524 csrss.exe Token: SeSecurityPrivilege 4612 sc.exe Token: SeSecurityPrivilege 4612 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 1228 wrote to memory of 1408 1228 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 85 PID 1228 wrote to memory of 1408 1228 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 85 PID 1228 wrote to memory of 1408 1228 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 85 PID 2208 wrote to memory of 1676 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 95 PID 2208 wrote to memory of 1676 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 95 PID 2208 wrote to memory of 1676 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 95 PID 2208 wrote to memory of 3012 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 97 PID 2208 wrote to memory of 3012 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 97 PID 3012 wrote to memory of 3132 3012 cmd.exe 99 PID 3012 wrote to memory of 3132 3012 cmd.exe 99 PID 2208 wrote to memory of 1484 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 100 PID 2208 wrote to memory of 1484 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 100 PID 2208 wrote to memory of 1484 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 100 PID 2208 wrote to memory of 1700 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 103 PID 2208 wrote to memory of 1700 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 103 PID 2208 wrote to memory of 1700 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 103 PID 2208 wrote to memory of 4524 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 105 PID 2208 wrote to memory of 4524 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 105 PID 2208 wrote to memory of 4524 2208 77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe 105 PID 4524 wrote to memory of 5080 4524 csrss.exe 106 PID 4524 wrote to memory of 5080 4524 csrss.exe 106 PID 4524 wrote to memory of 5080 4524 csrss.exe 106 PID 4524 wrote to memory of 4212 4524 csrss.exe 111 PID 4524 wrote to memory of 4212 4524 csrss.exe 111 PID 4524 wrote to memory of 4212 4524 csrss.exe 111 PID 4524 wrote to memory of 3884 4524 csrss.exe 114 PID 4524 wrote to memory of 3884 4524 csrss.exe 114 PID 4524 wrote to memory of 3884 4524 csrss.exe 114 PID 4524 wrote to memory of 3264 4524 csrss.exe 116 PID 4524 wrote to memory of 3264 4524 csrss.exe 116 PID 1992 wrote to memory of 3348 1992 windefender.exe 122 PID 1992 wrote to memory of 3348 1992 windefender.exe 122 PID 1992 wrote to memory of 3348 1992 windefender.exe 122 PID 3348 wrote to memory of 4612 3348 cmd.exe 124 PID 3348 wrote to memory of 4612 3348 cmd.exe 124 PID 3348 wrote to memory of 4612 3348 cmd.exe 124 PID 4524 wrote to memory of 5016 4524 csrss.exe 126 PID 4524 wrote to memory of 5016 4524 csrss.exe 126 PID 4524 wrote to memory of 5016 4524 csrss.exe 126 -
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\77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe"C:\Users\Admin\AppData\Local\Temp\77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1408
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C:\Users\Admin\AppData\Local\Temp\77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.exe"C:\Users\Admin\AppData\Local\Temp\77c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854.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:2208 -
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:1676
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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:3012 -
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:3132
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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:1484
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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:1700
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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:4524 -
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:5080
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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:4432
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1268
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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:4212
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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:3884
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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:3264
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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:2480
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1992 -
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:3348 -
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:4612
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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:5016 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "csrss" /f5⤵PID:1780
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn "ScheduledUpdate" /f5⤵PID:5080
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2636
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5306596582dfbc4bcbcb73292e1e59863
SHA10c4f70e01fc81423ef73d747b45aacaace4c9603
SHA25613801cd93b0048cf237a3e30d04ef2df27f603cb306c87d97351fba52b029c5f
SHA51227bd6636391f8a1573b340404141936b573637dfac93dae50e0aceeef5c55f1936142f881f20e41f204eab99e3235a44c862e05412ca39eea74d861784b7dbd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d33845880ba2030ee7b17fd810fd0d1f
SHA1fcf54970fb0850c5206b477baf6a9caae5457621
SHA2565ebe4be3e595354014414e1db25e4dd5ac6cf9bfb7cec849a7a2aee7d689c055
SHA5124c77d330e7c40f75de4ca970603c11b248d6fdbeefe26e2ece04621ff1cee89670e7894dcea3125d4d81891f024b493fa8347bd1de36b08fe5d9951d2b29388c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e866dbfb7b82233d622ee4fd8a165f9a
SHA1d740608ea2c0a947ef92972159da6329c3e8dc85
SHA2564c16957eb346e14529294752c886146f6558ebaa478f2ec9081eae5f99e0558a
SHA51266781114aa76704cb675aba1b76b25f435f5db1a2af042cf5fa0fd2583056996047d5b2d3e78dc857f5583e6bb6eb37f681b3fc8aeb95758e253f8a78f487511
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59cd562e7725aad7ee6fa0cc454b04a3e
SHA14f5967654528978919c1e5c8654f059aa3e2915d
SHA256a18a9b7c3a6924ad84a8f11f1afdb1e4109df5ed30729d13f68ee08cb302b547
SHA51239de98d1e83610f190f3b8b342d3e922711049669cbee5367029822701b79a9c26bc6a009922d5d6d2ce3fb789dc202529377c9811b23718a86f10e7312ba5ef
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5473cea1f8a781bf7c958947e7aae4160
SHA1c3f853bcfe9116273214a23c80f54fc5a73eb9f9
SHA2563766e05364eb8e87906875be0a42076203bc9f674b51f2dccaf54c3d70cf9e46
SHA5126a2e587dcfdc5d847b7c72f9e071f497e93b54aff3cd95188d7e1867cddae163c05694c6bd5d7f47b93c51bd9a7a1f5e02b5d54394d5bdbee2bc06909dcac79f
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Filesize
4.2MB
MD5fadc46180646127e8acf1c104846c5b7
SHA10cc6cc6d2bd11ec66c1b42dbc4c40c3886e58002
SHA25677c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854
SHA51257ac8dc599da4b40007bc236749070a0b82e266e19817bd58d7c64eb45e665563b5c3c6052e1c51e705f8aa4b5dc753bbfb2fab59c818a8cab88d531af01b93d
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Filesize
4.2MB
MD5fadc46180646127e8acf1c104846c5b7
SHA10cc6cc6d2bd11ec66c1b42dbc4c40c3886e58002
SHA25677c93a4a577ddfb747b17f8f45b0c912904b91bfaa072384978a1398f31a2854
SHA51257ac8dc599da4b40007bc236749070a0b82e266e19817bd58d7c64eb45e665563b5c3c6052e1c51e705f8aa4b5dc753bbfb2fab59c818a8cab88d531af01b93d
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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