Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 04:26
Static task
static1
Behavioral task
behavioral1
Sample
73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe
Resource
win10v2004-20240426-en
General
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Target
73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe
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Size
4.1MB
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MD5
d142e671eded49f4bf539b2b1218b313
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SHA1
78661927b47b3a4eb0c091eb325a69b2727c1360
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SHA256
73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b
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SHA512
5a7ad1249fa322ce05a6528f927f424e33d649d0e2cf5f0127eacd6cf02aa420f76ff848469674678cbf1ed220d2155cea580e24acd7c0d31587856f10a21a7e
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SSDEEP
98304:Z96GAmuNBigEkoqfZTwC6uGlBZNljS4jcw:ZI9hoq9wC6uGlB/xgw
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4044-2-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/4044-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4044-83-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/4044-131-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4488-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4804-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Blocklisted process makes network request 1 IoCs
flow pid Process 23 4924 Process not Found -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1968 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4804 csrss.exe 4272 injector.exe 688 windefender.exe 3460 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023435-220.dat upx behavioral1/memory/688-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/688-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3460-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3460-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3460-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe File created C:\Windows\rss\csrss.exe 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1268 sc.exe -
pid Process 3916 powershell.exe 1536 powershell.exe 2352 powershell.exe 4536 powershell.exe 4924 powershell.exe 1400 powershell.exe 3004 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 460 schtasks.exe 4848 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3916 powershell.exe 3916 powershell.exe 4044 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 4044 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 1536 powershell.exe 1536 powershell.exe 1536 powershell.exe 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 2352 powershell.exe 2352 powershell.exe 4536 powershell.exe 4536 powershell.exe 4924 powershell.exe 4924 powershell.exe 1400 powershell.exe 1400 powershell.exe 3004 powershell.exe 3004 powershell.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4804 csrss.exe 4804 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4804 csrss.exe 4804 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4804 csrss.exe 4804 csrss.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe 4272 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 4044 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Token: SeImpersonatePrivilege 4044 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe Token: SeDebugPrivilege 1536 powershell.exe Token: SeDebugPrivilege 2352 powershell.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 4924 powershell.exe Token: SeDebugPrivilege 1400 powershell.exe Token: SeDebugPrivilege 3004 powershell.exe Token: SeSystemEnvironmentPrivilege 4804 csrss.exe Token: SeSecurityPrivilege 1268 sc.exe Token: SeSecurityPrivilege 1268 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4044 wrote to memory of 3916 4044 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 86 PID 4044 wrote to memory of 3916 4044 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 86 PID 4044 wrote to memory of 3916 4044 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 86 PID 4488 wrote to memory of 1536 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 96 PID 4488 wrote to memory of 1536 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 96 PID 4488 wrote to memory of 1536 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 96 PID 4488 wrote to memory of 1196 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 101 PID 4488 wrote to memory of 1196 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 101 PID 1196 wrote to memory of 1968 1196 cmd.exe 103 PID 1196 wrote to memory of 1968 1196 cmd.exe 103 PID 4488 wrote to memory of 2352 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 104 PID 4488 wrote to memory of 2352 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 104 PID 4488 wrote to memory of 2352 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 104 PID 4488 wrote to memory of 4536 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 106 PID 4488 wrote to memory of 4536 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 106 PID 4488 wrote to memory of 4536 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 106 PID 4488 wrote to memory of 4804 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 108 PID 4488 wrote to memory of 4804 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 108 PID 4488 wrote to memory of 4804 4488 73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe 108 PID 4804 wrote to memory of 4924 4804 csrss.exe 109 PID 4804 wrote to memory of 4924 4804 csrss.exe 109 PID 4804 wrote to memory of 4924 4804 csrss.exe 109 PID 4804 wrote to memory of 1400 4804 csrss.exe 115 PID 4804 wrote to memory of 1400 4804 csrss.exe 115 PID 4804 wrote to memory of 1400 4804 csrss.exe 115 PID 4804 wrote to memory of 3004 4804 csrss.exe 117 PID 4804 wrote to memory of 3004 4804 csrss.exe 117 PID 4804 wrote to memory of 3004 4804 csrss.exe 117 PID 4804 wrote to memory of 4272 4804 csrss.exe 119 PID 4804 wrote to memory of 4272 4804 csrss.exe 119 PID 688 wrote to memory of 4656 688 windefender.exe 125 PID 688 wrote to memory of 4656 688 windefender.exe 125 PID 688 wrote to memory of 4656 688 windefender.exe 125 PID 4656 wrote to memory of 1268 4656 cmd.exe 126 PID 4656 wrote to memory of 1268 4656 cmd.exe 126 PID 4656 wrote to memory of 1268 4656 cmd.exe 126 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe"C:\Users\Admin\AppData\Local\Temp\73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4044 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3916
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C:\Users\Admin\AppData\Local\Temp\73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.exe"C:\Users\Admin\AppData\Local\Temp\73c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b.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:4488 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1536
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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:1196 -
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:1968
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2352
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4536
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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:4804 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4924
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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:460
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1040
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1400
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3004
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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:4272
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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:4848
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:688 -
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:4656 -
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:1268
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3460
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
MD571068a220a79c5003dccb08d6fcf365f
SHA1fcd0491e28945bfa8b3e7ee87417b2aea3b14355
SHA256c9ceb566f760ad735bf562d343f9ebc7a54eeb33c32fe25edeca896b7091378f
SHA512897fa5b3859d33d831d0d97124ac751d60ac7bea2edb02202f6b21b06b5eac946588e82a0f1950b4ace41628953ff56a5d86e74e287c6024da150ff47302b55a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ebec5361bc1f01a815b3cc5959464702
SHA1db84ee3fc60b97c6f7a7e29f9fdf9e215cfa0a7f
SHA2564b8c938026bfb6fdadbca60a5715f9ef651fea5bcd65df6a295e050a5b9877a9
SHA512944a0548d802a83c88d815056d1f1e0b1cc89eb8fabc24a07461593b163604e123e43d2314828960312538f0bf4e746338dbf45b2ae698a17e857c69bc3e2148
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c5ed89cb871c040adba133285d701a44
SHA18f5547f40f5e340b05628fb9a56c7eff94406886
SHA256d5d598a885b471a5d23a4398ad76d01b0062d247397137ccec6bb1098b8906a4
SHA512563b9d7d9b1f492c63840d776aac7d4d10ddb8d0e82939a30fa138a53ef0098ace6cd72f909cc69752994206ce6e440986c2ac0e46febe90e0a84e989c04f5ce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aad19e815132d8314683c218ba869001
SHA18b17db43a2fdd547b61d6a1e68f775f23839c5ea
SHA2566ec8e0a8ef87051de11b9d3c21a17687db5a58421dc11a03cf5c3d8c42fb6fd2
SHA5120a425e6ae97dc5e692be11bda1bc21ba45fe0f7cc2cbc3af7b81b557489541d09aabb30e46ecdf706b196394c263d248617cb58a6a96bbf4124f4709cc4d67fa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b6a013c258d23584cd27dcbbbb2369e
SHA1f62e73cc95841775c334f2e74db9e6abb6741807
SHA25668469d607a43556194d7affb409c3d0fbdde1c0f264a59c61fd9333716b8ffa1
SHA51253a3336a1c9e9fadb9b11f1b453f2b82012c855a0cf78e74127018c052d7d82c8c14f729f28ad8492c0f3385d4afca14449314a70589dc32cca7217481ac7259
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Filesize
4.1MB
MD5d142e671eded49f4bf539b2b1218b313
SHA178661927b47b3a4eb0c091eb325a69b2727c1360
SHA25673c0e967b3fc7caef61bb93b86d3647a8b6d4f6c584dc6230e43d0e1ee5eb24b
SHA5125a7ad1249fa322ce05a6528f927f424e33d649d0e2cf5f0127eacd6cf02aa420f76ff848469674678cbf1ed220d2155cea580e24acd7c0d31587856f10a21a7e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec