Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 17:00
Static task
static1
Behavioral task
behavioral1
Sample
c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe
Resource
win10v2004-20240426-en
General
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Target
c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe
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Size
4.1MB
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MD5
e126971d82f80fab9942ff1a97fb9a7b
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SHA1
04b9de13c40143a9e6f961b9a258aaf7e5ebf422
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SHA256
c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008
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SHA512
1d1e09cc4bb3bc5fb1a5a3209c4f35fd1e7d44fb638bc82ba4f88a7428787f76f6d88219de4de96ec160a9806fc4047a9a42812d678934a1043605c3ddf99e81
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SSDEEP
98304:gc7aFVXn+Lid2bryXaMbaClZg093y0sFFfdliBdP3+:gX++d2b0aMbplZO0sFfSu
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3432-2-0x0000000004A00000-0x00000000052EB000-memory.dmp family_glupteba behavioral1/memory/3432-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3432-169-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3432-208-0x0000000004A00000-0x00000000052EB000-memory.dmp family_glupteba behavioral1/memory/3604-209-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3432-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1588-217-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1588-228-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1588-232-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1588-237-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1588-241-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1588-244-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1588-248-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1588-252-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1588-257-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1588-261-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1588-264-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1588-268-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1588-272-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1216 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1588 csrss.exe 4240 injector.exe 4720 windefender.exe 2216 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002343c-220.dat upx behavioral1/memory/4720-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2216-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4720-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2216-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2216-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Set value (str) \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\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\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe File created C:\Windows\rss\csrss.exe c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.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 3220 sc.exe -
pid Process 4152 powershell.exe 920 powershell.exe 2168 powershell.exe 404 powershell.exe 976 powershell.exe 1620 powershell.exe 1936 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 1444 schtasks.exe 1960 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\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight 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" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian 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,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.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,-871 = "Pakistan Daylight Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.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,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.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,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4152 powershell.exe 4152 powershell.exe 3432 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 3432 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 920 powershell.exe 920 powershell.exe 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 2168 powershell.exe 2168 powershell.exe 404 powershell.exe 404 powershell.exe 404 powershell.exe 976 powershell.exe 976 powershell.exe 976 powershell.exe 1620 powershell.exe 1620 powershell.exe 1936 powershell.exe 1936 powershell.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 1588 csrss.exe 1588 csrss.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 1588 csrss.exe 1588 csrss.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 1588 csrss.exe 1588 csrss.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe 4240 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 3432 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Token: SeImpersonatePrivilege 3432 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe Token: SeDebugPrivilege 920 powershell.exe Token: SeDebugPrivilege 2168 powershell.exe Token: SeDebugPrivilege 404 powershell.exe Token: SeDebugPrivilege 976 powershell.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 1936 powershell.exe Token: SeSystemEnvironmentPrivilege 1588 csrss.exe Token: SeSecurityPrivilege 3220 sc.exe Token: SeSecurityPrivilege 3220 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3432 wrote to memory of 4152 3432 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 85 PID 3432 wrote to memory of 4152 3432 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 85 PID 3432 wrote to memory of 4152 3432 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 85 PID 3604 wrote to memory of 920 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 93 PID 3604 wrote to memory of 920 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 93 PID 3604 wrote to memory of 920 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 93 PID 3604 wrote to memory of 3080 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 99 PID 3604 wrote to memory of 3080 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 99 PID 3080 wrote to memory of 1216 3080 cmd.exe 101 PID 3080 wrote to memory of 1216 3080 cmd.exe 101 PID 3604 wrote to memory of 2168 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 102 PID 3604 wrote to memory of 2168 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 102 PID 3604 wrote to memory of 2168 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 102 PID 3604 wrote to memory of 404 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 106 PID 3604 wrote to memory of 404 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 106 PID 3604 wrote to memory of 404 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 106 PID 3604 wrote to memory of 1588 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 108 PID 3604 wrote to memory of 1588 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 108 PID 3604 wrote to memory of 1588 3604 c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe 108 PID 1588 wrote to memory of 976 1588 csrss.exe 109 PID 1588 wrote to memory of 976 1588 csrss.exe 109 PID 1588 wrote to memory of 976 1588 csrss.exe 109 PID 1588 wrote to memory of 1620 1588 csrss.exe 115 PID 1588 wrote to memory of 1620 1588 csrss.exe 115 PID 1588 wrote to memory of 1620 1588 csrss.exe 115 PID 1588 wrote to memory of 1936 1588 csrss.exe 117 PID 1588 wrote to memory of 1936 1588 csrss.exe 117 PID 1588 wrote to memory of 1936 1588 csrss.exe 117 PID 1588 wrote to memory of 4240 1588 csrss.exe 119 PID 1588 wrote to memory of 4240 1588 csrss.exe 119 PID 4720 wrote to memory of 2512 4720 windefender.exe 125 PID 4720 wrote to memory of 2512 4720 windefender.exe 125 PID 4720 wrote to memory of 2512 4720 windefender.exe 125 PID 2512 wrote to memory of 3220 2512 cmd.exe 126 PID 2512 wrote to memory of 3220 2512 cmd.exe 126 PID 2512 wrote to memory of 3220 2512 cmd.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\c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe"C:\Users\Admin\AppData\Local\Temp\c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3432 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4152
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C:\Users\Admin\AppData\Local\Temp\c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.exe"C:\Users\Admin\AppData\Local\Temp\c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008.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:3604 -
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:920
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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:3080 -
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:1216
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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:2168
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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:404
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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:1588 -
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:976
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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:1444
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3084
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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:1620
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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:1936
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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:4240
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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:1960
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4720 -
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:2512 -
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:3220
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2216
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
MD5e5e423ad9bbdd792586a4dfc1dbc8338
SHA1c16145e8d5bdfb72304c76c26386ee7dbaed6194
SHA2562416b547db3e4938a79cdc1fc94460ceeb421f0ead926c1161391fc371e12481
SHA512a9d0c1ce238a9ce1595442e311d24a172f53c5c98ffff617b195487363f843aae0eda4f5432180a1901a8b869feee974d64d2b07a81711fc5f0ed23bb0f7948f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD560608abe60c8729b8f6b37b73e4c4896
SHA17db14e0bd4fdaeb937bd76d5598447dffc37826e
SHA256ecf53bf94e3c838d5880d85851363ee06fd1bff5a8325164f1c937a4e339d1e8
SHA51213ea5392690eb473cbc56e21816b1caac59d2985c8da832f219da2fd964157d770b3bf623056f16b4c3eb7f211c75e5d2c9e97932a2f9851376084ed2c6ea7dc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD591c7971b9d4e18275f28d8a3972538b1
SHA1b30e81a4f860b8d4301a839221ca051b0314d7d3
SHA256fa0637ad38d762a62ebcd506f853b11f23e26d825d058a394dfb2e5bee7278be
SHA5124a582bbd84f8b520733e78307e32a476d5c56e5f783a1bb2b360269c22b7fab3058214c76f5d7f5e10f40bd36ad9ae6d68c958f6061c6d2b29ff6079e2398f39
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f18039c08229181101ba6d071191f262
SHA186526027e1f44a0b9996d67008364b9122cde2c9
SHA25692be4df326ce0460b3ceff5eca730a7a3fb8209db65abfb62fc92e96720fe760
SHA51293b4e5278aadd297f5d58343e1a46e71cc42ab0c4e2f9b2b8d8c4f90069ca16ced72f997c5992d87dafedb598eb867d623d91a0ba3fa44710c9f2bad06db3cf1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD568b47bbc1c7cc075d9765961a82d1af0
SHA1e19e29ab904ba7babb3bfa78edef7db8c3151209
SHA25662e0d2916541a927f2c4a1cdf49fec92d6dadc5939038507e4e1e0345208a451
SHA5124bf8098c92aabfd186dc57c0ece5733bcae54fee792d6c7f935df29e09e8b8fa5e08892ea751eb5afddbb13b7329bd9832d5491895201535518edf512943b692
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Filesize
4.1MB
MD5e126971d82f80fab9942ff1a97fb9a7b
SHA104b9de13c40143a9e6f961b9a258aaf7e5ebf422
SHA256c2cbc9555b7a980b49fe2b07947ba3793f030e03c7ba432a4f4f9278bae37008
SHA5121d1e09cc4bb3bc5fb1a5a3209c4f35fd1e7d44fb638bc82ba4f88a7428787f76f6d88219de4de96ec160a9806fc4047a9a42812d678934a1043605c3ddf99e81
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec