Analysis
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max time kernel
150s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 21:48
Static task
static1
Behavioral task
behavioral1
Sample
02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe
Resource
win10v2004-20240508-en
General
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Target
02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe
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Size
4.1MB
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MD5
0da2a3b5eea4e789c4d9f8c2789b6bb9
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SHA1
93f4f90c12ed3682ddbae93a9b6f982b11ed5135
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SHA256
02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc
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SHA512
7fc383d8db899ec0115bc07761dd08eea513a2243aeea64cc32984e0176161f1a2822d53e18e839aa761f548f5bb6de8f33675ea788ac00ae3730cc153f8198f
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SSDEEP
98304:BsVQ+hudF4keJeyEqK0evsENr9r54Wa5Cc1nHXivs:Bs5hioeyE6OsERj43nD
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4628-2-0x0000000004950000-0x000000000523B000-memory.dmp family_glupteba behavioral1/memory/4628-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4628-105-0x0000000004950000-0x000000000523B000-memory.dmp family_glupteba behavioral1/memory/4628-103-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/4628-183-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2260-182-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-209-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-227-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-230-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-237-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-241-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-245-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-250-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-253-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-257-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-261-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-266-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral1/memory/2172-269-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4880 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2172 csrss.exe 3912 injector.exe 2736 windefender.exe 552 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023535-219.dat upx behavioral1/memory/2736-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/552-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2736-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/552-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/552-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 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 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 -
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 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe File created C:\Windows\rss\csrss.exe 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.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 3600 sc.exe -
pid Process 936 powershell.exe 380 powershell.exe 4648 powershell.exe 2992 powershell.exe 1600 powershell.exe 4332 powershell.exe 1004 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 4380 schtasks.exe 4572 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.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\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina 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" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.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\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1004 powershell.exe 1004 powershell.exe 4628 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 4628 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 936 powershell.exe 936 powershell.exe 936 powershell.exe 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 380 powershell.exe 380 powershell.exe 380 powershell.exe 4648 powershell.exe 4648 powershell.exe 4648 powershell.exe 2992 powershell.exe 2992 powershell.exe 2992 powershell.exe 1600 powershell.exe 1600 powershell.exe 1600 powershell.exe 4332 powershell.exe 4332 powershell.exe 4332 powershell.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 2172 csrss.exe 2172 csrss.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 2172 csrss.exe 2172 csrss.exe 3912 injector.exe 3912 injector.exe 2172 csrss.exe 2172 csrss.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe 3912 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1004 powershell.exe Token: SeDebugPrivilege 4628 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Token: SeImpersonatePrivilege 4628 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe Token: SeDebugPrivilege 936 powershell.exe Token: SeDebugPrivilege 380 powershell.exe Token: SeDebugPrivilege 4648 powershell.exe Token: SeDebugPrivilege 2992 powershell.exe Token: SeDebugPrivilege 1600 powershell.exe Token: SeDebugPrivilege 4332 powershell.exe Token: SeSystemEnvironmentPrivilege 2172 csrss.exe Token: SeSecurityPrivilege 3600 sc.exe Token: SeSecurityPrivilege 3600 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4628 wrote to memory of 1004 4628 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 92 PID 4628 wrote to memory of 1004 4628 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 92 PID 4628 wrote to memory of 1004 4628 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 92 PID 2260 wrote to memory of 936 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 104 PID 2260 wrote to memory of 936 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 104 PID 2260 wrote to memory of 936 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 104 PID 2260 wrote to memory of 2372 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 106 PID 2260 wrote to memory of 2372 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 106 PID 2372 wrote to memory of 4880 2372 cmd.exe 109 PID 2372 wrote to memory of 4880 2372 cmd.exe 109 PID 2260 wrote to memory of 380 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 110 PID 2260 wrote to memory of 380 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 110 PID 2260 wrote to memory of 380 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 110 PID 2260 wrote to memory of 4648 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 112 PID 2260 wrote to memory of 4648 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 112 PID 2260 wrote to memory of 4648 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 112 PID 2260 wrote to memory of 2172 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 117 PID 2260 wrote to memory of 2172 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 117 PID 2260 wrote to memory of 2172 2260 02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe 117 PID 2172 wrote to memory of 2992 2172 csrss.exe 118 PID 2172 wrote to memory of 2992 2172 csrss.exe 118 PID 2172 wrote to memory of 2992 2172 csrss.exe 118 PID 2172 wrote to memory of 1600 2172 csrss.exe 123 PID 2172 wrote to memory of 1600 2172 csrss.exe 123 PID 2172 wrote to memory of 1600 2172 csrss.exe 123 PID 2172 wrote to memory of 4332 2172 csrss.exe 126 PID 2172 wrote to memory of 4332 2172 csrss.exe 126 PID 2172 wrote to memory of 4332 2172 csrss.exe 126 PID 2172 wrote to memory of 3912 2172 csrss.exe 128 PID 2172 wrote to memory of 3912 2172 csrss.exe 128 PID 2736 wrote to memory of 2040 2736 windefender.exe 135 PID 2736 wrote to memory of 2040 2736 windefender.exe 135 PID 2736 wrote to memory of 2040 2736 windefender.exe 135 PID 2040 wrote to memory of 3600 2040 cmd.exe 136 PID 2040 wrote to memory of 3600 2040 cmd.exe 136 PID 2040 wrote to memory of 3600 2040 cmd.exe 136 -
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\02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe"C:\Users\Admin\AppData\Local\Temp\02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1004
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C:\Users\Admin\AppData\Local\Temp\02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.exe"C:\Users\Admin\AppData\Local\Temp\02bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc.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:2260 -
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:936
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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:2372 -
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:4880
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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:380
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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:4648
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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:2172 -
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:2992
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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:4380
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:648
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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:1600
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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:4332
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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:3912
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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:4572
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2736 -
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:2040 -
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:3600
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4196,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:81⤵PID:2792
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:552
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
MD5f59d6ffbbd97a11c67e02728fa430e3b
SHA19945b8ec6333bcf92a39408271edff52c23d9c85
SHA25602fd5f63edaaaa64ec649f6c3856c930438b388a27764062b5e4f3f6ea63cce9
SHA512ccba72a6f352178a0178767ea4b68080836f843c08c73802ef09ecf420cf2cc07a620d89c430502783da073e8dda947fc153fe706cf4ffaedda3bd8f52d6d547
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD525143052d3f90fe672a6af4e1c18e6ed
SHA142c051c613421a0290d6df0eb5cf78b09e777b86
SHA256c5358f6450ee64d3881cbcf5c3a875f22b50896900a102c10d9f0cf47c82c1a8
SHA5126b36ccc074d1795a8e8a5c87e2db2785dacf8ca74f3c70d07dd410e9e8d5757780a1f62a0bf436a53dd8ccb40e22592ce844402e748fd012d2c55d4ca149fe2a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5150e8c6bea4e544ec707c38c938a198f
SHA1f5d2a91264e28cd451db91a5111b469700349c87
SHA25600b1e3849836f674a8c3b74d752bc115c2b092f80e7d95f9965f939178cbd663
SHA512ec79b8caf9d06b7a6b7c8738ef54a71d2fcb557095d2a27df487fd1cf652660c3d539f220a6f055cf39c8e93265eaf705b6732cf555e9fc8038ab01d9fbbad5f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e235168811e123c5da0cccf8b91f9542
SHA1984f1e18f46facfa2b07985d8609a6b47f60a012
SHA256d630c23570eb0f8112e6f6a8e66a253bed07cf71b80a16881aa2eac26793c7a0
SHA51231087e9fb0dd286b93c3daebc27cbb5f5b6d450c6baf678bbe2a35cff01e7e1134f6f2accc31f75d2b17f62624cc8e22dc0daba7032c7fe46a6f31af2840f04e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD517a308365b10441931c79ead889485b8
SHA18822add2a77cef309bac8d4f43b026b019051f1c
SHA2564f60771b45cd5178fc4c17f7bf0c17034968aad84df68343909cbde68f2cad9e
SHA51236f5cb8a6b3c70828e99e465d0ecb7712edc6093da7a971ee1d5425a7d1e13a7a06ad638a85dfd3a770e64e9292c05e9fe45161b8f3bc70a8892bcc978de6486
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Filesize
4.1MB
MD50da2a3b5eea4e789c4d9f8c2789b6bb9
SHA193f4f90c12ed3682ddbae93a9b6f982b11ed5135
SHA25602bfeb198ff33bab507fe542f4e6ed8249ca435c732826e13f83ed91c0896fbc
SHA5127fc383d8db899ec0115bc07761dd08eea513a2243aeea64cc32984e0176161f1a2822d53e18e839aa761f548f5bb6de8f33675ea788ac00ae3730cc153f8198f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec