Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 22:54
Static task
static1
Behavioral task
behavioral1
Sample
3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe
Resource
win10v2004-20240412-en
General
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Target
3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe
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Size
4.2MB
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MD5
39247995bc06c1327c3254514c532460
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SHA1
183fc0c2e1af69bc35cd244aa188fd507e18e6fd
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SHA256
3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef
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SHA512
3d80046716695cbfcd5fd5ba1fcde5ee841374f1a376950b8a2646d078ea5fb505edda54b77c062aa2f789033597468d9facfa963ca5ec741f49222a8b994a1b
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SSDEEP
98304:3/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGS:PdVQtLoTZDg5GO9Bqlca
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4316-2-0x00000000041F0000-0x0000000004ADB000-memory.dmp family_glupteba behavioral2/memory/4316-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5976-54-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4316-53-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5976-55-0x0000000003FA0000-0x000000000488B000-memory.dmp family_glupteba behavioral2/memory/5976-114-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5976-150-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-245-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-254-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-255-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-260-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3980-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5620 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3980 csrss.exe 964 injector.exe 2324 windefender.exe 2720 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa65-248.dat upx behavioral2/memory/2324-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2720-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2720-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\S-1-5-21-801878912-692986033-442676226-1000\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 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 -
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 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.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 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe File created C:\Windows\rss\csrss.exe 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1408 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 780 4316 WerFault.exe 79 3632 5976 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3468 schtasks.exe 932 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.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" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.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\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.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\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1676 powershell.exe 1676 powershell.exe 4316 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 4316 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 5888 powershell.exe 5888 powershell.exe 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 5696 powershell.exe 5696 powershell.exe 1624 powershell.exe 1624 powershell.exe 5588 powershell.exe 5588 powershell.exe 824 powershell.exe 824 powershell.exe 4676 powershell.exe 4676 powershell.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 3980 csrss.exe 3980 csrss.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 3980 csrss.exe 3980 csrss.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 3980 csrss.exe 3980 csrss.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe 964 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1676 powershell.exe Token: SeDebugPrivilege 4316 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Token: SeImpersonatePrivilege 4316 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe Token: SeDebugPrivilege 5888 powershell.exe Token: SeDebugPrivilege 5696 powershell.exe Token: SeDebugPrivilege 1624 powershell.exe Token: SeDebugPrivilege 5588 powershell.exe Token: SeDebugPrivilege 824 powershell.exe Token: SeDebugPrivilege 4676 powershell.exe Token: SeSystemEnvironmentPrivilege 3980 csrss.exe Token: SeSecurityPrivilege 1408 sc.exe Token: SeSecurityPrivilege 1408 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4316 wrote to memory of 1676 4316 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 81 PID 4316 wrote to memory of 1676 4316 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 81 PID 4316 wrote to memory of 1676 4316 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 81 PID 5976 wrote to memory of 5888 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 89 PID 5976 wrote to memory of 5888 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 89 PID 5976 wrote to memory of 5888 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 89 PID 5976 wrote to memory of 4828 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 91 PID 5976 wrote to memory of 4828 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 91 PID 4828 wrote to memory of 5620 4828 cmd.exe 93 PID 4828 wrote to memory of 5620 4828 cmd.exe 93 PID 5976 wrote to memory of 5696 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 94 PID 5976 wrote to memory of 5696 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 94 PID 5976 wrote to memory of 5696 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 94 PID 5976 wrote to memory of 1624 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 96 PID 5976 wrote to memory of 1624 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 96 PID 5976 wrote to memory of 1624 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 96 PID 5976 wrote to memory of 3980 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 98 PID 5976 wrote to memory of 3980 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 98 PID 5976 wrote to memory of 3980 5976 3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe 98 PID 3980 wrote to memory of 5588 3980 csrss.exe 101 PID 3980 wrote to memory of 5588 3980 csrss.exe 101 PID 3980 wrote to memory of 5588 3980 csrss.exe 101 PID 3980 wrote to memory of 824 3980 csrss.exe 106 PID 3980 wrote to memory of 824 3980 csrss.exe 106 PID 3980 wrote to memory of 824 3980 csrss.exe 106 PID 3980 wrote to memory of 4676 3980 csrss.exe 109 PID 3980 wrote to memory of 4676 3980 csrss.exe 109 PID 3980 wrote to memory of 4676 3980 csrss.exe 109 PID 3980 wrote to memory of 964 3980 csrss.exe 111 PID 3980 wrote to memory of 964 3980 csrss.exe 111 PID 2324 wrote to memory of 2304 2324 windefender.exe 117 PID 2324 wrote to memory of 2304 2324 windefender.exe 117 PID 2324 wrote to memory of 2304 2324 windefender.exe 117 PID 2304 wrote to memory of 1408 2304 cmd.exe 118 PID 2304 wrote to memory of 1408 2304 cmd.exe 118 PID 2304 wrote to memory of 1408 2304 cmd.exe 118 -
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\3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe"C:\Users\Admin\AppData\Local\Temp\3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4316 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1676
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C:\Users\Admin\AppData\Local\Temp\3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.exe"C:\Users\Admin\AppData\Local\Temp\3303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef.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:5976 -
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:5888
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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:4828 -
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:5620
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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:5696
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1624
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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:3980 -
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:5588
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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:3468
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2752
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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:824
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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:4676
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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:964
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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:932
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2324 -
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:2304 -
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:1408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5976 -s 8083⤵
- Program crash
PID:3632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 9402⤵
- Program crash
PID:780
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4316 -ip 43161⤵PID:3316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 5976 -ip 59761⤵PID:1756
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2720
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c59002b708b8031b1a0d597d70993217
SHA1db739f082108eca7faaa7f3d542b43336114ef96
SHA2566a40629fd29cb5ad4a2c97e8b3778956ba24dbf7a51714acfa59660ed522d96b
SHA512fdefbf2961d48453e6445e30538da491d4266ddcbe83f0250bf030280e01640ced3aa8cdcf3e439b68a12c2bc41bfe8341e4b78bfdf923bc7b689109a6a76e8f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD511591868b3668515de7d81f07376c1b8
SHA1d014db9472be65f533a738547f6bd9b46360dabb
SHA256ba0020c6c055fe2d91adc951a9196067f7518c931855452b16a8389ebfd448c9
SHA51213fbdc7620cb6080cfe27dac45cfb2d38f819eb1b0640bcff4260547d1994889b446a0f8b6b8ddf03b6e639e82bd2b98adb2d1e30b9d3d14d005d8fb4541b926
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD559f2d39b2cebac710ca34e76d69fd900
SHA1dec3ab2b99c37b33498c0ad02e1231460848698d
SHA25631a11213096032a4f4909ca30e221682dbdac8ed28699eaa7aa4aeffc2abe74d
SHA512c57a2b8c1288120d83b532637a1b27d3c661b9c1218aacafc8f3bd462b591594e577f9ded87220b8200dca65baa4820528a241623bba384f57de88b2871cc8af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a574e5b4f2b2d04f9e1491ee9435c83
SHA1a8fd1089813c668b6d00e21b9592c386de4c015a
SHA256797459d17f0cf18bf2ec3bd478b5163e8ea2dbcc4dbce9ef4b3ef04139a9a07b
SHA5127ff8c0d076681228a4abe74219cc532098a1b5637dd2032a1a29a367aa618da5cc7963bc034cae58ce4e71fdb449e7258d932523c1205ebe3da7a5affc44e54e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c633d3cd7e4ccbd5a969cef3e3c8b4d
SHA16ffeae03a3f81b1675cce49dd0ae85fd2308c520
SHA25670b6c2de928bb286436afc1274b7c4bc9a1599b1cc35b6d8fe5cf9af0df143f3
SHA512131364b996a4aba00f79537b5729ab6314883df823a1a42153ecb99ce4d35f59dc9307514a6ba2426f1a8613389a3122290260afdebe349dfe2a4b12080efc1e
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Filesize
4.2MB
MD539247995bc06c1327c3254514c532460
SHA1183fc0c2e1af69bc35cd244aa188fd507e18e6fd
SHA2563303a7d33b2d7506236d09589201b6c9d82b8d7b209970df48a88381bdd84fef
SHA5123d80046716695cbfcd5fd5ba1fcde5ee841374f1a376950b8a2646d078ea5fb505edda54b77c062aa2f789033597468d9facfa963ca5ec741f49222a8b994a1b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec