Analysis
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max time kernel
149s -
max time network
147s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
18-05-2024 08:28
Static task
static1
Behavioral task
behavioral1
Sample
ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe
Resource
win10v2004-20240426-en
General
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Target
ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe
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Size
4.1MB
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MD5
77aa48db2dab3e77e948d558432e60ec
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SHA1
7b827e7cbc20b04f2a81596f7706b565e131d4f1
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SHA256
ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb
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SHA512
849de8b6e9db94eb9ad5e6703537d45feb617fdea1685f71305750901040ae0d5796d9eb8855b33e6d268ff3360b2ce649bc102a5dedb0a01f6723ce7a107f66
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SSDEEP
98304:wcO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsxF:wcO3d2wQ4Q8FyLwnXJ+AxvtU75c1jsf
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2368-2-0x0000000004D90000-0x000000000567B000-memory.dmp family_glupteba behavioral2/memory/2368-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2368-99-0x0000000004D90000-0x000000000567B000-memory.dmp family_glupteba behavioral2/memory/2368-98-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1008-123-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2368-192-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4948-200-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4948-211-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4948-214-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4948-217-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4948-220-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4948-223-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4948-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4948-229-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4948-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4948-235-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4948-238-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4948-241-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/4948-244-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4372 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4948 csrss.exe 1768 injector.exe 756 windefender.exe 5072 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9cf-203.dat upx behavioral2/memory/756-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5072-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/756-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5072-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5072-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.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 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe File created C:\Windows\rss\csrss.exe ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe File created 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 244 sc.exe -
pid Process 4236 powershell.exe 4696 powershell.exe 3272 powershell.exe 2156 powershell.exe 4468 powershell.exe 3424 powershell.exe 4652 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 2188 schtasks.exe 2956 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" 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,-361 = "GTB Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.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\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4468 powershell.exe 4468 powershell.exe 2368 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 2368 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 3424 powershell.exe 3424 powershell.exe 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 4652 powershell.exe 4652 powershell.exe 4236 powershell.exe 4236 powershell.exe 4696 powershell.exe 4696 powershell.exe 3272 powershell.exe 3272 powershell.exe 2156 powershell.exe 2156 powershell.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 4948 csrss.exe 4948 csrss.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 4948 csrss.exe 4948 csrss.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 4948 csrss.exe 4948 csrss.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe 1768 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4468 powershell.exe Token: SeDebugPrivilege 2368 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Token: SeImpersonatePrivilege 2368 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe Token: SeDebugPrivilege 3424 powershell.exe Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 4696 powershell.exe Token: SeDebugPrivilege 3272 powershell.exe Token: SeDebugPrivilege 2156 powershell.exe Token: SeSystemEnvironmentPrivilege 4948 csrss.exe Token: SeSecurityPrivilege 244 sc.exe Token: SeSecurityPrivilege 244 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2368 wrote to memory of 4468 2368 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 81 PID 2368 wrote to memory of 4468 2368 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 81 PID 2368 wrote to memory of 4468 2368 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 81 PID 1008 wrote to memory of 3424 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 87 PID 1008 wrote to memory of 3424 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 87 PID 1008 wrote to memory of 3424 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 87 PID 1008 wrote to memory of 4592 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 89 PID 1008 wrote to memory of 4592 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 89 PID 4592 wrote to memory of 4372 4592 cmd.exe 91 PID 4592 wrote to memory of 4372 4592 cmd.exe 91 PID 1008 wrote to memory of 4652 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 92 PID 1008 wrote to memory of 4652 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 92 PID 1008 wrote to memory of 4652 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 92 PID 1008 wrote to memory of 4236 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 94 PID 1008 wrote to memory of 4236 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 94 PID 1008 wrote to memory of 4236 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 94 PID 1008 wrote to memory of 4948 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 96 PID 1008 wrote to memory of 4948 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 96 PID 1008 wrote to memory of 4948 1008 ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe 96 PID 4948 wrote to memory of 4696 4948 csrss.exe 97 PID 4948 wrote to memory of 4696 4948 csrss.exe 97 PID 4948 wrote to memory of 4696 4948 csrss.exe 97 PID 4948 wrote to memory of 3272 4948 csrss.exe 103 PID 4948 wrote to memory of 3272 4948 csrss.exe 103 PID 4948 wrote to memory of 3272 4948 csrss.exe 103 PID 4948 wrote to memory of 2156 4948 csrss.exe 105 PID 4948 wrote to memory of 2156 4948 csrss.exe 105 PID 4948 wrote to memory of 2156 4948 csrss.exe 105 PID 4948 wrote to memory of 1768 4948 csrss.exe 107 PID 4948 wrote to memory of 1768 4948 csrss.exe 107 PID 756 wrote to memory of 3600 756 windefender.exe 113 PID 756 wrote to memory of 3600 756 windefender.exe 113 PID 756 wrote to memory of 3600 756 windefender.exe 113 PID 3600 wrote to memory of 244 3600 cmd.exe 114 PID 3600 wrote to memory of 244 3600 cmd.exe 114 PID 3600 wrote to memory of 244 3600 cmd.exe 114 -
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\ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe"C:\Users\Admin\AppData\Local\Temp\ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4468
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C:\Users\Admin\AppData\Local\Temp\ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.exe"C:\Users\Admin\AppData\Local\Temp\ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb.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:1008 -
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:3424
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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:4592 -
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:4372
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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:4652
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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:4236
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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:4948 -
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:4696
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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:2188
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4276
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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:3272
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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:2156
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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:1768
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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:2956
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:756 -
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:3600 -
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:244
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5072
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a338d2f0eec3323df6201df785c500a
SHA18c5768cc68e03e412f5dccb001715859161d2a3c
SHA256264377ba28578bae3782c28d2762db2b2d955a53700e52db686493601c91e879
SHA512de7f70da67a048ad9873e6565474016af77cfeb048d286df57a42536c57065051c2b0f7fbbd0f638becf53c9455ac2e55114d1189bb0f9079a7b18c5183ce231
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eae04d3b4790e70b285e1702027512bb
SHA1a4a252f17f644a1e8a0ea9621179bcf8aaf505dd
SHA2562d9050146f5e95785a0c87a5cc1b5072b2e381dfe507d807780e1340a9fbf9a0
SHA5127a605d30705eb221d4f8f0a34eb8f8464bdfb99b34f68aae300d8dd8fc7f6b46d97cf2bdac79d658fc07c132d0744ab2e963f6e908c32c4eb9a3ae370845d2fb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50a4fbfb6ac4720efd5169e19370b4fd2
SHA1d9aca4a85c8b48f251893ebb3623533bdf35de87
SHA256ac8ed6b60838dbb9739f990f5e52cf73d754de1b6183673509ba70cf5f8d95da
SHA51258b9b2418e019f82837eca6f1424a8768cda8196bb245f366af530cc32597ec329231ef42ff7b6012f1021e6436fc06606fbfd8c75cfeacab70e8166897e8a15
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD504bb1f69d01c1f459c10f5418ee10235
SHA14858838dc5247aa3d2ae19b8b3e6776b6af67788
SHA256b1e5ce7ee9818c702adb3a992f29a8ec6695e98d947fdad0780a97291ed9b8cd
SHA5124ffaf7115b79358395b907dc75949207d5ddf393b5608595798aa7ae36e262a41791487087d526d914854a1306bd74b5d070be0fcb4a885a7ceece69b057b44c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c83f9261f8c84da01e0abd736548c66
SHA1d51a326a97893e3b083e1e680d3d758c276d764f
SHA256ce25222185f00b49bab77bf39560785b5715c4df39e97332894f9873e718ad47
SHA512e138037cb38600113312fc12e31e7e202498c0bb296b291b44c6371d740fe97d6891d28c7d12f52664eaf4c91ac886b0fdd0696e1e48525f24e0eda92bddfd71
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Filesize
4.1MB
MD577aa48db2dab3e77e948d558432e60ec
SHA17b827e7cbc20b04f2a81596f7706b565e131d4f1
SHA256ead315fb30bf57046ba6f837e6c80df84dc224b154b3b0fe2f048e8305a953eb
SHA512849de8b6e9db94eb9ad5e6703537d45feb617fdea1685f71305750901040ae0d5796d9eb8855b33e6d268ff3360b2ce649bc102a5dedb0a01f6723ce7a107f66
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec