Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
06-04-2024 11:20
Static task
static1
Behavioral task
behavioral1
Sample
3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe
Resource
win10v2004-20240226-en
General
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Target
3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe
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Size
4.2MB
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MD5
014e6b210d3b68f907ad773ed77334d1
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SHA1
ee19418512853cf0c3a2ebb524e0846e105e7c8b
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SHA256
3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7
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SHA512
f19fdf50b75a9ce5dae2eef8b374d39548b7cbea85519ddf5dceba5378cada26f4d1b0a0c59ce4d5a3bc096b359db69ee58018559de3857fd9ab0e453879ab2a
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SSDEEP
98304:5gQLKfmHskUXbTpo22G+GS2lS1Bw2dJv/Wwn:afTkym+XQZ/L
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/3420-2-0x00000000054D0000-0x0000000005DBB000-memory.dmp family_glupteba behavioral1/memory/3420-3-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/3420-24-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/3420-52-0x00000000054D0000-0x0000000005DBB000-memory.dmp family_glupteba behavioral1/memory/3420-56-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1516-59-0x0000000005090000-0x000000000597B000-memory.dmp family_glupteba behavioral1/memory/1516-60-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1516-61-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1516-94-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1516-96-0x0000000004C80000-0x0000000005085000-memory.dmp family_glupteba behavioral1/memory/1516-110-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1516-126-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1516-156-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1112-176-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1112-224-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1112-261-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1112-262-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1112-271-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1112-273-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba behavioral1/memory/1112-275-0x0000000000400000-0x0000000002F5E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4512 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1112 csrss.exe 1964 injector.exe 2848 windefender.exe 3444 windefender.exe -
resource yara_rule behavioral1/files/0x000400000000073d-265.dat upx behavioral1/memory/2848-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3444-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1240 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2068 schtasks.exe 436 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4284 powershell.exe 4284 powershell.exe 3420 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 3420 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 4716 powershell.exe 4716 powershell.exe 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 1964 powershell.exe 1964 powershell.exe 3736 powershell.exe 3736 powershell.exe 5088 powershell.exe 5088 powershell.exe 1668 powershell.exe 1668 powershell.exe 1172 powershell.exe 1172 powershell.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1112 csrss.exe 1112 csrss.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1112 csrss.exe 1112 csrss.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1112 csrss.exe 1112 csrss.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe 1964 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4284 powershell.exe Token: SeDebugPrivilege 3420 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Token: SeImpersonatePrivilege 3420 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe Token: SeDebugPrivilege 4716 powershell.exe Token: SeDebugPrivilege 1964 powershell.exe Token: SeDebugPrivilege 3736 powershell.exe Token: SeDebugPrivilege 5088 powershell.exe Token: SeDebugPrivilege 1668 powershell.exe Token: SeDebugPrivilege 1172 powershell.exe Token: SeSystemEnvironmentPrivilege 1112 csrss.exe Token: SeSecurityPrivilege 1240 sc.exe Token: SeSecurityPrivilege 1240 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3420 wrote to memory of 4284 3420 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 89 PID 3420 wrote to memory of 4284 3420 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 89 PID 3420 wrote to memory of 4284 3420 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 89 PID 1516 wrote to memory of 4716 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 100 PID 1516 wrote to memory of 4716 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 100 PID 1516 wrote to memory of 4716 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 100 PID 1516 wrote to memory of 3172 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 102 PID 1516 wrote to memory of 3172 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 102 PID 3172 wrote to memory of 4512 3172 cmd.exe 104 PID 3172 wrote to memory of 4512 3172 cmd.exe 104 PID 1516 wrote to memory of 1964 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 105 PID 1516 wrote to memory of 1964 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 105 PID 1516 wrote to memory of 1964 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 105 PID 1516 wrote to memory of 3736 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 107 PID 1516 wrote to memory of 3736 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 107 PID 1516 wrote to memory of 3736 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 107 PID 1516 wrote to memory of 1112 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 109 PID 1516 wrote to memory of 1112 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 109 PID 1516 wrote to memory of 1112 1516 3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe 109 PID 1112 wrote to memory of 5088 1112 csrss.exe 110 PID 1112 wrote to memory of 5088 1112 csrss.exe 110 PID 1112 wrote to memory of 5088 1112 csrss.exe 110 PID 1112 wrote to memory of 1668 1112 csrss.exe 115 PID 1112 wrote to memory of 1668 1112 csrss.exe 115 PID 1112 wrote to memory of 1668 1112 csrss.exe 115 PID 1112 wrote to memory of 1172 1112 csrss.exe 118 PID 1112 wrote to memory of 1172 1112 csrss.exe 118 PID 1112 wrote to memory of 1172 1112 csrss.exe 118 PID 1112 wrote to memory of 1964 1112 csrss.exe 120 PID 1112 wrote to memory of 1964 1112 csrss.exe 120 PID 2848 wrote to memory of 4748 2848 windefender.exe 126 PID 2848 wrote to memory of 4748 2848 windefender.exe 126 PID 2848 wrote to memory of 4748 2848 windefender.exe 126 PID 4748 wrote to memory of 1240 4748 cmd.exe 127 PID 4748 wrote to memory of 1240 4748 cmd.exe 127 PID 4748 wrote to memory of 1240 4748 cmd.exe 127 -
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\3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe"C:\Users\Admin\AppData\Local\Temp\3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4284
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C:\Users\Admin\AppData\Local\Temp\3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.exe"C:\Users\Admin\AppData\Local\Temp\3da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7.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:1516 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4716
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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:3172 -
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:4512
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1964
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3736
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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:1112 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5088
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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:2068
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3492
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1172
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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:1964
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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:436
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2848 -
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:4748 -
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:1240
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:3444
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD541d86ae2d2ec79c3351a4c7919caff10
SHA135a91d991bba6251bafa749e02d31ffa009b9504
SHA25645b0566717a66239ab4b6b40081a803e401d3fa229ac8084ee4d2e53ca02339e
SHA51215dbbcda1bc66a1761c4143def1c78566c7a19638628a7bb53b40397e5753447ec16f38bc8d0acf8e66696547b987383ac6921a29ef925f15d95446480d45599
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52bb467497b6edd35be8c48826c02f0f7
SHA1df2b6c201c080eafece3f73428ff8fedfd79f603
SHA2568330116915165cb9798aa1d90dba3df7f6b7b2843b469be6116cd631ae5fc670
SHA5120b812997a4448df91a573351afe29563b50b52f90558325a9b08f1ee83f752fbdcfc28bb7123895882a8e8998994831f10313a0d2ccd18616f5752a12d79c844
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59210c4aa56aec7074b22004024199cfa
SHA179d1c1e59cc52f38325584291528d0ac5fd6716d
SHA256a69c4874212353bf1f8fd70993d3aeb530e6b13b4575965278fabf2393f51f61
SHA5127dbfe0e4a2ea0b3f91694271e8d61f1b37448b682f246e8dc548961d4846229e3537d8da1e545ce04eca5b6b6f7307bd5064f4ab7c63aab06b527c96ef763b1f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cf0c03f0c80479d856b8569fb2347a7f
SHA148eb94b5967ecc96d160478a2b8b2ac4d80e774f
SHA2569c682fc434a11d97d0b7140135e0059ea88bcc7a90be626e000a26240bcba7a2
SHA512a5311ba3d73f24c066d9c3037090861ff7dc96fa22b43d81dbee77a18149985522658db0b99e196feb58f694662b0e97d017dfcfe9f21398a0d74f5946fa8e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fddaeaa845665165327d23cee12a9fe
SHA1af4b74cfcb229cd6f280cebb2a4add6292219a9b
SHA256fdc15e40e3640b2e239feb48194b18170021719ca0ceadfdd1c6764e0fdd77c7
SHA51237b8b6109f45241e37d9a1a6e5a6eac5d11508309edcc43366b2dc79fec1410c9de0ae98f1231038adc2f8f5d3360f23b232edb862595e906bb0918c81c35be2
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Filesize
4.2MB
MD5014e6b210d3b68f907ad773ed77334d1
SHA1ee19418512853cf0c3a2ebb524e0846e105e7c8b
SHA2563da7fb051477ee80caa51dd92f5568b5f73bba76e52e8024f20e4f914285aaf7
SHA512f19fdf50b75a9ce5dae2eef8b374d39548b7cbea85519ddf5dceba5378cada26f4d1b0a0c59ce4d5a3bc096b359db69ee58018559de3857fd9ab0e453879ab2a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec