Analysis
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max time kernel
151s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13/10/2023, 20:05
Static task
static1
Behavioral task
behavioral1
Sample
7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe
Resource
win7-20230831-en
General
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Target
7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe
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Size
4.2MB
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MD5
5a1d4099b25ef17a5c9c246d6ab97700
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SHA1
ef8667986daaf480a6ac0cdc0282a6cfc146a248
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SHA256
7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb
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SHA512
dcc93abe97f4b5e5bcbfd5b729bf443a988195497c3cc1e41963b9157e245c862cdc1cdfd179033de17c942823792c18df063ffa7047df85602095530eee8c99
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SSDEEP
98304:D/CKrjXl5mXZh8/f5G4pbp4l/41Uy7ZE9TJZo2jBPDSIE51GEa1XD:bFrj788n5GC4t41/aTJjVDS/1NaND
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/4780-2-0x00000000030F0000-0x00000000039DB000-memory.dmp family_glupteba behavioral2/memory/4780-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4780-6-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4780-24-0x00000000030F0000-0x00000000039DB000-memory.dmp family_glupteba behavioral2/memory/4780-36-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4780-39-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4780-64-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2984-68-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/4780-96-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2984-100-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2984-108-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2984-113-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2984-172-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2228-204-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2228-258-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2228-279-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/2228-288-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3564 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2228 csrss.exe 1692 injector.exe 5092 windefender.exe 5060 windefender.exe -
resource yara_rule behavioral2/files/0x0008000000023251-282.dat upx behavioral2/files/0x0008000000023251-284.dat upx behavioral2/files/0x0008000000023251-285.dat upx behavioral2/memory/5092-286-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5060-289-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe File created C:\Windows\rss\csrss.exe 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.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 2768 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1800 schtasks.exe 4748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2976 powershell.exe 2976 powershell.exe 4780 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 4780 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 3208 powershell.exe 3208 powershell.exe 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 3852 powershell.exe 3852 powershell.exe 3772 powershell.exe 3772 powershell.exe 840 powershell.exe 840 powershell.exe 1144 powershell.exe 1144 powershell.exe 2664 powershell.exe 2664 powershell.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 2228 csrss.exe 2228 csrss.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 2228 csrss.exe 2228 csrss.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 2228 csrss.exe 2228 csrss.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe 1692 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2976 powershell.exe Token: SeDebugPrivilege 4780 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Token: SeImpersonatePrivilege 4780 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe Token: SeDebugPrivilege 3208 powershell.exe Token: SeDebugPrivilege 3852 powershell.exe Token: SeDebugPrivilege 3772 powershell.exe Token: SeDebugPrivilege 840 powershell.exe Token: SeDebugPrivilege 1144 powershell.exe Token: SeDebugPrivilege 2664 powershell.exe Token: SeSystemEnvironmentPrivilege 2228 csrss.exe Token: SeSecurityPrivilege 2768 sc.exe Token: SeSecurityPrivilege 2768 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4780 wrote to memory of 2976 4780 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 88 PID 4780 wrote to memory of 2976 4780 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 88 PID 4780 wrote to memory of 2976 4780 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 88 PID 2984 wrote to memory of 3208 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 102 PID 2984 wrote to memory of 3208 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 102 PID 2984 wrote to memory of 3208 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 102 PID 2984 wrote to memory of 2824 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 104 PID 2984 wrote to memory of 2824 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 104 PID 2824 wrote to memory of 3564 2824 cmd.exe 106 PID 2824 wrote to memory of 3564 2824 cmd.exe 106 PID 2984 wrote to memory of 3852 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 107 PID 2984 wrote to memory of 3852 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 107 PID 2984 wrote to memory of 3852 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 107 PID 2984 wrote to memory of 3772 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 109 PID 2984 wrote to memory of 3772 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 109 PID 2984 wrote to memory of 3772 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 109 PID 2984 wrote to memory of 2228 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 111 PID 2984 wrote to memory of 2228 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 111 PID 2984 wrote to memory of 2228 2984 7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe 111 PID 2228 wrote to memory of 840 2228 csrss.exe 112 PID 2228 wrote to memory of 840 2228 csrss.exe 112 PID 2228 wrote to memory of 840 2228 csrss.exe 112 PID 2228 wrote to memory of 1144 2228 csrss.exe 117 PID 2228 wrote to memory of 1144 2228 csrss.exe 117 PID 2228 wrote to memory of 1144 2228 csrss.exe 117 PID 2228 wrote to memory of 2664 2228 csrss.exe 120 PID 2228 wrote to memory of 2664 2228 csrss.exe 120 PID 2228 wrote to memory of 2664 2228 csrss.exe 120 PID 2228 wrote to memory of 1692 2228 csrss.exe 122 PID 2228 wrote to memory of 1692 2228 csrss.exe 122 PID 5092 wrote to memory of 3428 5092 windefender.exe 128 PID 5092 wrote to memory of 3428 5092 windefender.exe 128 PID 5092 wrote to memory of 3428 5092 windefender.exe 128 PID 3428 wrote to memory of 2768 3428 cmd.exe 129 PID 3428 wrote to memory of 2768 3428 cmd.exe 129 PID 3428 wrote to memory of 2768 3428 cmd.exe 129 -
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\7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe"C:\Users\Admin\AppData\Local\Temp\7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4780 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2976
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C:\Users\Admin\AppData\Local\Temp\7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.exe"C:\Users\Admin\AppData\Local\Temp\7b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb.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:2984 -
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:3208
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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:2824 -
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:3564
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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:3852
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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:3772
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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:2228 -
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:840
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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:4748
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2020
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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:1144
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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:2664
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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:1692
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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:1800
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5092 -
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:3428 -
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:2768
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:5060
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
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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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
MD5fda8928455ef16ef82413c50c38c53c7
SHA1ebb1207aceac12b99c661dcbfd0dbe69d9230470
SHA2563f3c1887f08fc605272891788ce7cbcab998b599017c0762f93cefbf388b8982
SHA51244a8e472786a01f0476abbf34324b7a679cc10ece6c1c520f46bf1fecdd121a735e0ef28d2aed63fb8ebf835af7575b0ef634b1d97927eb73df4ca43166aa5e7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56646ef7b5647f126e4b8a0dbc4907536
SHA13c29a9f5b69f06b1239c1a5abee672353935e40f
SHA25691527c9bdabe9299677cecc650e71ce650edb38722c781c66ad623ced23d32a9
SHA5129c6c012daa5f3786e9ce71982c7f74cd3e35ab68e2c68045c7a45597cc5c42c10b45e40dd3f7a3703767b1b09637ccbe76d9891f3b6864f893ad0a25c0c4b6b9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b054d66961203bc1d12fba0c44a7824
SHA154858f91b957461d602b883a64523a6a4846b479
SHA2560d3236c992a74be60e38a1901ddeff171ade59e3913da0bf036dfc22985b5912
SHA5125be3dc85a8747183c3db873d1e824b6ded8c520406cff575c115c8bc5a39dc013b2ddc8c0232878de65222788e1cd3449dd8a6675239084f2c3dad47e5ae49c9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c590e7bda20ca7a760ef2942cff1de20
SHA1e61e9c3950dcbe3cc225e7168fff361c8f936e3e
SHA25670189528106d63f5dea722e9fb710ce5a7d19951929014a7c7961df749ac6659
SHA512f517dd968de1c130d833c1ddf14d00f00264966ae04050b0903a240a8dc36ff6e742e11f6e3e608ce7448e2891e06bdcabab1956fd2856593423d3f90230287e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3e587bf9f2738e5fa8a24406b9e0c49
SHA136c57dab9eda37b0a730edcdaa26e2fb920186da
SHA2569f4123b023750c0938824e075b11ca66ce48def1557b081295e7c000063f6eea
SHA51236f5c5c06ccead24f9b9262be786849be1a969341453e8407cc38867b9aa6abb9de41960eeacf1f1756743d9f9108016a47ebd721bd304af9e4d313f16207674
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Filesize
4.2MB
MD55a1d4099b25ef17a5c9c246d6ab97700
SHA1ef8667986daaf480a6ac0cdc0282a6cfc146a248
SHA2567b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb
SHA512dcc93abe97f4b5e5bcbfd5b729bf443a988195497c3cc1e41963b9157e245c862cdc1cdfd179033de17c942823792c18df063ffa7047df85602095530eee8c99
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Filesize
4.2MB
MD55a1d4099b25ef17a5c9c246d6ab97700
SHA1ef8667986daaf480a6ac0cdc0282a6cfc146a248
SHA2567b9e61a7c3ef0572c90d4dcabb1ee28a3f5e81522bf9429796c6886a4db120eb
SHA512dcc93abe97f4b5e5bcbfd5b729bf443a988195497c3cc1e41963b9157e245c862cdc1cdfd179033de17c942823792c18df063ffa7047df85602095530eee8c99
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec