Analysis
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max time kernel
58s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:04
Static task
static1
Behavioral task
behavioral1
Sample
b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe
Resource
win10v2004-20240426-en
General
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Target
b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe
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Size
4.1MB
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MD5
913016c057745b4209865e82b93bf284
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SHA1
b58b838ed0334d981b1c44f4351589b20b86ca16
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SHA256
b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c
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SHA512
775ed796717dd965a318f0f31ef8cacdc3cef1545dbb5a61f3088a4f744c582d472876a7ac268cd4fb71e80592c2545c7b260c83433d617ed2b9373f11f13263
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SSDEEP
98304:uQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9nw:uQAQcDPYxuCJe7X5ghfw
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/856-2-0x00000000048C0000-0x00000000051AB000-memory.dmp family_glupteba behavioral1/memory/856-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/856-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/856-57-0x00000000048C0000-0x00000000051AB000-memory.dmp family_glupteba behavioral1/memory/856-54-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1620-188-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3060-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3060-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3060-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3060-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3060-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3060-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3060-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3060-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3060-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3060-251-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3060-254-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3060-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4296 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3060 csrss.exe 4592 injector.exe 2160 windefender.exe 2680 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023416-221.dat upx behavioral1/memory/2160-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2160-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2680-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2680-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2680-235-0x0000000000400000-0x00000000008DF000-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\"" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.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 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 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 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe File created C:\Windows\rss\csrss.exe b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe File created 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 2304 sc.exe -
pid Process 5104 powershell.exe 2220 powershell.exe 2852 powershell.exe 1208 powershell.exe 1780 powershell.exe 1340 powershell.exe 2852 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 2424 schtasks.exe 1444 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard 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\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.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\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-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,-2871 = "Magallanes Daylight Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5104 powershell.exe 5104 powershell.exe 856 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 856 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 2220 powershell.exe 2220 powershell.exe 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 2852 powershell.exe 2852 powershell.exe 2852 powershell.exe 1208 powershell.exe 1208 powershell.exe 1208 powershell.exe 1780 powershell.exe 1780 powershell.exe 1340 powershell.exe 1340 powershell.exe 2852 powershell.exe 2852 powershell.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 3060 csrss.exe 3060 csrss.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 3060 csrss.exe 3060 csrss.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 3060 csrss.exe 3060 csrss.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe 4592 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 856 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Token: SeImpersonatePrivilege 856 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe Token: SeDebugPrivilege 2220 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 1208 powershell.exe Token: SeDebugPrivilege 1780 powershell.exe Token: SeDebugPrivilege 1340 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeSystemEnvironmentPrivilege 3060 csrss.exe Token: SeSecurityPrivilege 2304 sc.exe Token: SeSecurityPrivilege 2304 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 856 wrote to memory of 5104 856 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 85 PID 856 wrote to memory of 5104 856 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 85 PID 856 wrote to memory of 5104 856 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 85 PID 1620 wrote to memory of 2220 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 94 PID 1620 wrote to memory of 2220 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 94 PID 1620 wrote to memory of 2220 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 94 PID 1620 wrote to memory of 1520 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 99 PID 1620 wrote to memory of 1520 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 99 PID 1520 wrote to memory of 4296 1520 cmd.exe 101 PID 1520 wrote to memory of 4296 1520 cmd.exe 101 PID 1620 wrote to memory of 2852 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 102 PID 1620 wrote to memory of 2852 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 102 PID 1620 wrote to memory of 2852 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 102 PID 1620 wrote to memory of 1208 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 105 PID 1620 wrote to memory of 1208 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 105 PID 1620 wrote to memory of 1208 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 105 PID 1620 wrote to memory of 3060 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 107 PID 1620 wrote to memory of 3060 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 107 PID 1620 wrote to memory of 3060 1620 b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe 107 PID 3060 wrote to memory of 1780 3060 csrss.exe 108 PID 3060 wrote to memory of 1780 3060 csrss.exe 108 PID 3060 wrote to memory of 1780 3060 csrss.exe 108 PID 3060 wrote to memory of 1340 3060 csrss.exe 114 PID 3060 wrote to memory of 1340 3060 csrss.exe 114 PID 3060 wrote to memory of 1340 3060 csrss.exe 114 PID 3060 wrote to memory of 2852 3060 csrss.exe 116 PID 3060 wrote to memory of 2852 3060 csrss.exe 116 PID 3060 wrote to memory of 2852 3060 csrss.exe 116 PID 3060 wrote to memory of 4592 3060 csrss.exe 118 PID 3060 wrote to memory of 4592 3060 csrss.exe 118 PID 2160 wrote to memory of 3504 2160 windefender.exe 124 PID 2160 wrote to memory of 3504 2160 windefender.exe 124 PID 2160 wrote to memory of 3504 2160 windefender.exe 124 PID 3504 wrote to memory of 2304 3504 cmd.exe 125 PID 3504 wrote to memory of 2304 3504 cmd.exe 125 PID 3504 wrote to memory of 2304 3504 cmd.exe 125 -
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\b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe"C:\Users\Admin\AppData\Local\Temp\b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:856 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5104
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C:\Users\Admin\AppData\Local\Temp\b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.exe"C:\Users\Admin\AppData\Local\Temp\b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c.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:1620 -
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:2220
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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:1520 -
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:4296
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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:2852
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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:1208
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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:3060 -
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:1780
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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:2424
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:740
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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:1340
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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:2852
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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:4592
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1444
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2160 -
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:3504 -
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:2304
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2680
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
MD548bab58787eb84de5d3507c958936363
SHA1f4e685ba0f3037df5c74f6fcd5bf59fef1671c51
SHA256cc9e561ce7674d9c834375123421281b20d813b35d58cb696fdebd656ef710fe
SHA512843e3c37b8bd4f95e3e212ea39fe03d5f557b1c474b486aeab90e86a8f04b3167159623a5bdaeca74dd7ee9ecc847929d7adba712d3b0fecb04e5c50609d83e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fab856b8d44066389ce7b928631e1db8
SHA104936c75d4070785ccb514379aa9ba565cf001c1
SHA2563083551b6bbf62b6e74aabefc3b3be0253f8888050c532335aa83e5b62805709
SHA51201c3b102c16ffd4f075a89caee49643937dc8c65fb4f34fa9cba0b01f733fcca92ad90dc2714ff8b0547d7ccdafa2330b5867e36782a6bf24c74e265b98c5913
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c813f56c4af0a9a0e91b3a381548d145
SHA1b62752baccc9b0cf8648a9c9f5dc0de1ed32ce9a
SHA256650625793d23e5f876bde591dc8c0a483cfc084297cdd20126e3f83003f8f4e3
SHA5126178c3f9679596cb607644c7b4f404471b29758ead734f2aa7cf32f532babd9e93f9931bf591954cbc337b6726247c4a0376d106ba18a831b700bfd967b6c866
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d204166c51a8f8dc008256ba22e4916
SHA1f2600d653801bf3b0c1dc8e521a87ecf83e73f41
SHA2561625841be5481329fb5f32afa09a2814d6a06077380bf732a5592306d7a42fc0
SHA512aca3497796b1108e65b2691fd37f572b8c791bd9b5cbb1f71fc94253bfb7ed8ab23e6004fc798699f5ee351b7ee55007f8c7fbd8e40875d387285c4292068fd4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5220ed4f24135ba576ebd5f3cc29834c2
SHA1bca5290e6f8a0e538c628533e7131137234f7d6d
SHA256988820cb2ce391ace9dbf4f37fd4077270789a99dd46ceee2eca2c95ffd05563
SHA51268c7a08d6f238e1d21d00b4a36ae2636e298f02db2cba45594c8402be5de3ccba19baff884643241c88ea9efb3d362d28fd29268855cd85fb7e0417da1c87386
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Filesize
4.1MB
MD5913016c057745b4209865e82b93bf284
SHA1b58b838ed0334d981b1c44f4351589b20b86ca16
SHA256b2610fbe3fa9f47983ef99b3f45e53323638cf843c2dc3eda149ccb76848580c
SHA512775ed796717dd965a318f0f31ef8cacdc3cef1545dbb5a61f3088a4f744c582d472876a7ac268cd4fb71e80592c2545c7b260c83433d617ed2b9373f11f13263
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec