Analysis
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max time kernel
301s -
max time network
306s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
13/10/2023, 07:59
Static task
static1
Behavioral task
behavioral1
Sample
e0cbefcb1af40c7d4aff4aca26621a98.exe
Resource
win7-20230831-en
General
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Target
e0cbefcb1af40c7d4aff4aca26621a98.exe
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Size
4.1MB
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MD5
acc4373690f1dfc65694b0945f741428
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SHA1
4aa25e0324d1af40c4e8f2f799d29fd6e43f3899
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SHA256
e21a0127cf80b2276660b21a862cffbe52add050c44e382143168eab5789f3c5
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SHA512
a359007de6025fbbc9bffef818814b23f5ff580c79a7ba5bbf6ab827e72d5110d75a587a0c986431320f7be81ed52810d7d8aee7bfbc2533f52e144d65cf749d
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SSDEEP
98304:7bZwNMOyYTaUs7+TVUsw2NKTL6Pa2dsUND:h6zyxMU72NaLerJ
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/868-2-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral2/memory/868-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/868-82-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/868-83-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral2/memory/868-303-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3016-306-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3016-554-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3016-557-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3016-819-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/3016-1047-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/980-1051-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/980-1052-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/980-1327-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/980-1800-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/980-1809-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/980-1811-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/980-1813-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/980-1815-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/980-1817-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral2/memory/980-1825-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\e0cbefcb1af40c7d4aff4aca26621a98.exe = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 1188 netsh.exe -
Executes dropped EXE 5 IoCs
pid Process 980 csrss.exe 2124 injector.exe 3860 windefender.exe 1272 windefender.exe 3612 f801950a962ddba14caaa44bf084b55c.exe -
resource yara_rule behavioral2/files/0x000700000001afd0-1803.dat upx behavioral2/files/0x000700000001afd0-1805.dat upx behavioral2/files/0x000700000001afd0-1806.dat upx behavioral2/memory/3860-1808-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1272-1810-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1272-1814-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000600000001afd1-1821.dat upx behavioral2/files/0x000600000001afd1-1823.dat upx behavioral2/memory/1272-1824-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\e0cbefcb1af40c7d4aff4aca26621a98.exe = "0" e0cbefcb1af40c7d4aff4aca26621a98.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-844837608-3875958368-2945961404-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (str) \REGISTRY\USER\S-1-5-21-844837608-3875958368-2945961404-1000\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\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 File created 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 e0cbefcb1af40c7d4aff4aca26621a98.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe e0cbefcb1af40c7d4aff4aca26621a98.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss e0cbefcb1af40c7d4aff4aca26621a98.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4356 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 4172 schtasks.exe 4612 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\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet netsh.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" e0cbefcb1af40c7d4aff4aca26621a98.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\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" e0cbefcb1af40c7d4aff4aca26621a98.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\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" e0cbefcb1af40c7d4aff4aca26621a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2656 powershell.exe 2656 powershell.exe 2656 powershell.exe 868 e0cbefcb1af40c7d4aff4aca26621a98.exe 868 e0cbefcb1af40c7d4aff4aca26621a98.exe 1520 powershell.exe 1520 powershell.exe 1520 powershell.exe 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 5112 powershell.exe 5112 powershell.exe 5112 powershell.exe 3388 powershell.exe 3388 powershell.exe 3388 powershell.exe 3876 powershell.exe 3876 powershell.exe 3876 powershell.exe 4700 powershell.exe 4700 powershell.exe 4700 powershell.exe 4992 powershell.exe 4992 powershell.exe 4992 powershell.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 980 csrss.exe 980 csrss.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 980 csrss.exe 980 csrss.exe 2124 injector.exe 2124 injector.exe 980 csrss.exe 980 csrss.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe 2124 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2656 powershell.exe Token: SeDebugPrivilege 868 e0cbefcb1af40c7d4aff4aca26621a98.exe Token: SeImpersonatePrivilege 868 e0cbefcb1af40c7d4aff4aca26621a98.exe Token: SeDebugPrivilege 1520 powershell.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeDebugPrivilege 3388 powershell.exe Token: SeDebugPrivilege 3876 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeDebugPrivilege 4992 powershell.exe Token: SeSystemEnvironmentPrivilege 980 csrss.exe Token: SeSecurityPrivilege 4356 sc.exe Token: SeSecurityPrivilege 4356 sc.exe -
Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 868 wrote to memory of 2656 868 e0cbefcb1af40c7d4aff4aca26621a98.exe 70 PID 868 wrote to memory of 2656 868 e0cbefcb1af40c7d4aff4aca26621a98.exe 70 PID 868 wrote to memory of 2656 868 e0cbefcb1af40c7d4aff4aca26621a98.exe 70 PID 3016 wrote to memory of 1520 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 76 PID 3016 wrote to memory of 1520 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 76 PID 3016 wrote to memory of 1520 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 76 PID 3016 wrote to memory of 4924 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 77 PID 3016 wrote to memory of 4924 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 77 PID 4924 wrote to memory of 1188 4924 cmd.exe 79 PID 4924 wrote to memory of 1188 4924 cmd.exe 79 PID 3016 wrote to memory of 5112 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 80 PID 3016 wrote to memory of 5112 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 80 PID 3016 wrote to memory of 5112 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 80 PID 3016 wrote to memory of 3388 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 82 PID 3016 wrote to memory of 3388 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 82 PID 3016 wrote to memory of 3388 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 82 PID 3016 wrote to memory of 980 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 84 PID 3016 wrote to memory of 980 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 84 PID 3016 wrote to memory of 980 3016 e0cbefcb1af40c7d4aff4aca26621a98.exe 84 PID 980 wrote to memory of 3876 980 csrss.exe 86 PID 980 wrote to memory of 3876 980 csrss.exe 86 PID 980 wrote to memory of 3876 980 csrss.exe 86 PID 980 wrote to memory of 4700 980 csrss.exe 93 PID 980 wrote to memory of 4700 980 csrss.exe 93 PID 980 wrote to memory of 4700 980 csrss.exe 93 PID 980 wrote to memory of 4992 980 csrss.exe 95 PID 980 wrote to memory of 4992 980 csrss.exe 95 PID 980 wrote to memory of 4992 980 csrss.exe 95 PID 980 wrote to memory of 2124 980 csrss.exe 97 PID 980 wrote to memory of 2124 980 csrss.exe 97 PID 3860 wrote to memory of 4200 3860 windefender.exe 104 PID 3860 wrote to memory of 4200 3860 windefender.exe 104 PID 3860 wrote to memory of 4200 3860 windefender.exe 104 PID 4200 wrote to memory of 4356 4200 cmd.exe 105 PID 4200 wrote to memory of 4356 4200 cmd.exe 105 PID 4200 wrote to memory of 4356 4200 cmd.exe 105 PID 980 wrote to memory of 3612 980 csrss.exe 107 PID 980 wrote to memory of 3612 980 csrss.exe 107 PID 980 wrote to memory of 3612 980 csrss.exe 107 -
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\e0cbefcb1af40c7d4aff4aca26621a98.exe"C:\Users\Admin\AppData\Local\Temp\e0cbefcb1af40c7d4aff4aca26621a98.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2656
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C:\Users\Admin\AppData\Local\Temp\e0cbefcb1af40c7d4aff4aca26621a98.exe"C:\Users\Admin\AppData\Local\Temp\e0cbefcb1af40c7d4aff4aca26621a98.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:3016 -
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:1520
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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:4924 -
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
- Modifies data under HKEY_USERS
PID:1188
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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:5112
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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:3388
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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:980 -
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:3876
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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:4172
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3316
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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:4700
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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:4992
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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:2124
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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:4612
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3860 -
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:4200 -
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:4356
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵
- Executes dropped EXE
PID:3612
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1272
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
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5e3c6d93eb0b366abad8502451f577e25
SHA196f029a3b1b255ab49837234b0dcf1091a5bc313
SHA256e1a6185934ab89d6c84a2227696cf8be2b2dc35d87e72ba273a34e498871752e
SHA51206c97e5377e5a4e16f861513fd844fd8264a28beed5d2df1a7ae9f4e9394ae9597dd3109469f0a0a3ce8c14afe844d7b9e94bd1cc0d5ecafb4b92149d236d3f7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD57fe275b6061db5ae4ddc0066d2aa1efe
SHA18a62f1d8fc6b9838290136f2e9bca78942aac7dc
SHA256ce7e7e060162d87ba8bab85387362d9e70343078b93c967162dd2fe1e0b5346f
SHA51259744623132a6ad4fd4d4c5c6f6788728ea83032c4a1ffea0b95eed39922cecf9f99383ec1a7d6c65ddd545d701eb9f959764dc0859b116beaffb531e31502b6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5bfcfdfea2fab13102dd0fec9dc0b5fd5
SHA103e87f03759bd759fee788e5bbeaad1d05c3a88a
SHA25690ac513ba81365af005597e76c6edd29504f70a83d414f7ae2fec227bad3a9f8
SHA512a87af1033d1138b8feafeb75c66fb89163e82c8946795236b03443e92670212d6407ff2473df77faf8ddabaec2ed1f531ab3646c4bad43e7a2e444f95960b76b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD50c22ecfa6ac6e4c7ed560af4c98a23cf
SHA129a27008b60077a3476eede37b9ebb400a2a34a5
SHA2563750a5653cae5c4aae7cbbf4caf6b5096224fa3c7ddca7abbea057e7cb6c0c98
SHA5128e58db1aa21d1a7cdafc5195184c5aba2e744732508be2d0b922dc111e22172725ec91c8b4625f5e584a91d6f747341b4f573028d782ab8952a989c5800bb558
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD518e0255223e302e3048b3889957b2eb5
SHA1a733c79409efa297f9bff2f07dd6af5aa08f867f
SHA25648fa0a3c72343e8e15b6ddfb8530b29dfe331abb24327e2e6f7510a094757bcd
SHA51232e9be21150f93ad6e755a0e3f517214f9493cd0105f278615174cec4daa03bb4f3b5a0a464dcdb197944531b29f0343aaddd21c614a2c01e28913543212a65f
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Filesize
4.1MB
MD5acc4373690f1dfc65694b0945f741428
SHA14aa25e0324d1af40c4e8f2f799d29fd6e43f3899
SHA256e21a0127cf80b2276660b21a862cffbe52add050c44e382143168eab5789f3c5
SHA512a359007de6025fbbc9bffef818814b23f5ff580c79a7ba5bbf6ab827e72d5110d75a587a0c986431320f7be81ed52810d7d8aee7bfbc2533f52e144d65cf749d
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Filesize
4.1MB
MD5acc4373690f1dfc65694b0945f741428
SHA14aa25e0324d1af40c4e8f2f799d29fd6e43f3899
SHA256e21a0127cf80b2276660b21a862cffbe52add050c44e382143168eab5789f3c5
SHA512a359007de6025fbbc9bffef818814b23f5ff580c79a7ba5bbf6ab827e72d5110d75a587a0c986431320f7be81ed52810d7d8aee7bfbc2533f52e144d65cf749d
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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