Analysis
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max time kernel
156s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 19:22
Static task
static1
Behavioral task
behavioral1
Sample
712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe
Resource
win10v2004-20240412-en
General
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Target
712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe
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Size
4.2MB
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MD5
9d8241c7b6f599e319dd0916d7d16cda
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SHA1
372359a86bb54c62a41c2ae6efa77b9220a2bb8e
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SHA256
712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb
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SHA512
65770159f57ceab1556d8493496090985f1a9baf95a3ec5ff33a670bccc36898b7a579a2cebc34b9e56e21f88f8b073bb0d63b9e257497e516a47b095f7b7ee7
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SSDEEP
98304:jz8muvG4/7oo98xMphVIqHAQJ7eNfIWzS5gC960Xfu6ti9vBy29T:jzvuvT/7/zVIWAQdeNfIWzX0W6tA421
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/3788-2-0x0000000005170000-0x0000000005A5B000-memory.dmp family_glupteba behavioral1/memory/3788-3-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3788-24-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/3788-49-0x0000000005170000-0x0000000005A5B000-memory.dmp family_glupteba behavioral1/memory/3788-56-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/808-60-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/808-89-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/808-97-0x0000000004D00000-0x0000000005100000-memory.dmp family_glupteba behavioral1/memory/808-110-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/808-112-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/808-139-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/808-157-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/312-196-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/312-256-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/312-264-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/312-272-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/312-274-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/312-276-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/312-278-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/312-280-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral1/memory/312-282-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3824 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 312 csrss.exe 1736 injector.exe 1584 windefender.exe 632 windefender.exe -
resource yara_rule behavioral1/files/0x000300000001e83e-267.dat upx behavioral1/memory/1584-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/632-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/632-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\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 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 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 -
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 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe File created C:\Windows\rss\csrss.exe 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1156 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 688 schtasks.exe 4940 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.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\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\26\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3204 powershell.exe 3204 powershell.exe 3788 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 3788 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 4108 powershell.exe 4108 powershell.exe 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 4112 powershell.exe 4112 powershell.exe 4500 powershell.exe 4500 powershell.exe 412 powershell.exe 412 powershell.exe 3368 powershell.exe 3368 powershell.exe 4228 powershell.exe 4228 powershell.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 312 csrss.exe 312 csrss.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 312 csrss.exe 312 csrss.exe 1736 injector.exe 1736 injector.exe 312 csrss.exe 312 csrss.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe 1736 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3204 powershell.exe Token: SeDebugPrivilege 3788 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Token: SeImpersonatePrivilege 3788 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 4112 powershell.exe Token: SeDebugPrivilege 4500 powershell.exe Token: SeDebugPrivilege 412 powershell.exe Token: SeDebugPrivilege 3368 powershell.exe Token: SeDebugPrivilege 4228 powershell.exe Token: SeSystemEnvironmentPrivilege 312 csrss.exe Token: SeSecurityPrivilege 1156 sc.exe Token: SeSecurityPrivilege 1156 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3788 wrote to memory of 3204 3788 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 90 PID 3788 wrote to memory of 3204 3788 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 90 PID 3788 wrote to memory of 3204 3788 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 90 PID 808 wrote to memory of 4108 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 96 PID 808 wrote to memory of 4108 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 96 PID 808 wrote to memory of 4108 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 96 PID 808 wrote to memory of 4484 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 99 PID 808 wrote to memory of 4484 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 99 PID 4484 wrote to memory of 3824 4484 cmd.exe 101 PID 4484 wrote to memory of 3824 4484 cmd.exe 101 PID 808 wrote to memory of 4112 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 102 PID 808 wrote to memory of 4112 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 102 PID 808 wrote to memory of 4112 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 102 PID 808 wrote to memory of 4500 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 104 PID 808 wrote to memory of 4500 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 104 PID 808 wrote to memory of 4500 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 104 PID 808 wrote to memory of 312 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 106 PID 808 wrote to memory of 312 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 106 PID 808 wrote to memory of 312 808 712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe 106 PID 312 wrote to memory of 412 312 csrss.exe 107 PID 312 wrote to memory of 412 312 csrss.exe 107 PID 312 wrote to memory of 412 312 csrss.exe 107 PID 312 wrote to memory of 3368 312 csrss.exe 112 PID 312 wrote to memory of 3368 312 csrss.exe 112 PID 312 wrote to memory of 3368 312 csrss.exe 112 PID 312 wrote to memory of 4228 312 csrss.exe 115 PID 312 wrote to memory of 4228 312 csrss.exe 115 PID 312 wrote to memory of 4228 312 csrss.exe 115 PID 312 wrote to memory of 1736 312 csrss.exe 117 PID 312 wrote to memory of 1736 312 csrss.exe 117 PID 1584 wrote to memory of 2864 1584 windefender.exe 123 PID 1584 wrote to memory of 2864 1584 windefender.exe 123 PID 1584 wrote to memory of 2864 1584 windefender.exe 123 PID 2864 wrote to memory of 1156 2864 cmd.exe 124 PID 2864 wrote to memory of 1156 2864 cmd.exe 124 PID 2864 wrote to memory of 1156 2864 cmd.exe 124 -
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\712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe"C:\Users\Admin\AppData\Local\Temp\712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3788 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3204
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C:\Users\Admin\AppData\Local\Temp\712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.exe"C:\Users\Admin\AppData\Local\Temp\712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb.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:808 -
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:4108
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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:4484 -
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:3824
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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:4112
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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:4500
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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:312 -
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:412
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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:688
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3752
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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:3368
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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:4228
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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:1736
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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:4940
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1584 -
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:2864 -
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:1156
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:632
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
MD5d46ef47cda76c39d3f59085a88079b53
SHA17c79b2fbfe9b6a7ada97e6d1103d6c0080a8a85a
SHA256c1d5920d59991d654366a4feb2505f0fb59fe9a957ce63827f0e67b38a061dd7
SHA5125f41f17e31056ac91e92c44254769168af5e70752413d4277b6789b57368bcb64873ed4761af50635b6cfe3e62ff75c42dacd5131d9f805b2d76ba2523610c1c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d4d9e78f9ad7ab9bef0b5f4f614f64c9
SHA1e4c323d843054a23ba8bbd79479745a05273df3e
SHA256c0ed108e543d10784c909b1a03788df38e03a779cd4537285c8d8cb6cfae8031
SHA512fbafb00cd6c3ff49a5a58795f44c9c1273bb7b0f1d11eac8c626b8fcb097e584565f90f4be22388a0855e4cc9719bee86f0cd6ea8c8541cdd826f38b80932046
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f89d2358a88940de53cf63024c88e13
SHA1a5ef50a439bcec0c257afb01fcdc2a70c0aeda86
SHA256b41fe38003dafa2be375e1017af2eb1479e3056bc2e2bcd87311a1119cdd2d1d
SHA51281c17ff10d79e468414c827edfd6672ed5117487778dc4143edd9072f3f4a22bfbad01bc231f7f5cdd354d2a7646a78d52085597ced75b4126e3b71adc5e467a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD513077e08d3f35776bbf5b9306d64a150
SHA1ebbf503aa28447fe788558f50ab0bc34fd091a4a
SHA2568b91085027ab74e56ab485d78359265326f24d5e2b020104123dc0dff337bed8
SHA5125a3662b7bb1c338c6e43d0357fa8143f269d6a41ae1d44ee914012d36356d172f315d47bbc61d6b9b12e984d5ff6ca021d726d71c4bfb1cd27bb7b805c0a2dcd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53e43a5b8c3136dbdc87fbbedb40cbe60
SHA14a24155467faf650ec586f3e102496b426736429
SHA2565258a3a8d1f647c60c0105dda6c069eff82aec9fbc1a58dae1df6874c8336c74
SHA5126671fe2afed252de64ca4105e4406af81c830e586e3adc18a53f8c77e0fe2a60da9d84258afe15ef07d68412272d316e5e384ad6553e8cd03dc4770efe2d90cb
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Filesize
4.2MB
MD59d8241c7b6f599e319dd0916d7d16cda
SHA1372359a86bb54c62a41c2ae6efa77b9220a2bb8e
SHA256712852d297ba33f4216b1487ce939f367a7aa98dd849f81d3d30d4bae08a13fb
SHA51265770159f57ceab1556d8493496090985f1a9baf95a3ec5ff33a670bccc36898b7a579a2cebc34b9e56e21f88f8b073bb0d63b9e257497e516a47b095f7b7ee7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec