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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
14/05/2024, 23:48
Static task
static1
Behavioral task
behavioral1
Sample
76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe
Resource
win10v2004-20240508-en
General
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Target
76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe
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Size
4.1MB
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MD5
15395dc893d9a0ddb1bafdecd403642a
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SHA1
d8b7a47f6e78b5c0c26eaa6062927de4d9a4f50b
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SHA256
76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59
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SHA512
10dd83c6bc26905c0ef619918c4b9efdf025b5e31923dcf1fa50618ef3db60ce7b90d310f2aa229c42f3ada34226ffefae8c3efa3771955e0765b10af0a6283b
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SSDEEP
98304:FOEQv7p1EKwgW7O4vptwZo6T+WO0dzEY6Kk7ob384km+FfOI:Fr2p15ulARrO0d7kw84IGI
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4792-2-0x0000000002D40000-0x000000000362B000-memory.dmp family_glupteba behavioral1/memory/4792-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4792-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4792-81-0x0000000002D40000-0x000000000362B000-memory.dmp family_glupteba behavioral1/memory/5084-130-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5084-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5008-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5008-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5008-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5008-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5008-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5008-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5008-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5008-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5008-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5008-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5008-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5008-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1196 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5008 csrss.exe 3064 injector.exe 4252 windefender.exe 4816 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023405-220.dat upx behavioral1/memory/4252-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4252-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4816-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4816-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe File created C:\Windows\rss\csrss.exe 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.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 1724 sc.exe -
pid Process 1988 powershell.exe 3644 powershell.exe 2856 powershell.exe 4912 powershell.exe 3908 powershell.exe 3868 powershell.exe 2240 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 3684 schtasks.exe 1876 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1988 powershell.exe 1988 powershell.exe 4792 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 4792 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 3644 powershell.exe 3644 powershell.exe 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 2856 powershell.exe 2856 powershell.exe 4912 powershell.exe 4912 powershell.exe 3908 powershell.exe 3908 powershell.exe 3868 powershell.exe 3868 powershell.exe 2240 powershell.exe 2240 powershell.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 5008 csrss.exe 3064 injector.exe 5008 csrss.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 5008 csrss.exe 5008 csrss.exe 3064 injector.exe 3064 injector.exe 5008 csrss.exe 5008 csrss.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe 3064 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1988 powershell.exe Token: SeDebugPrivilege 4792 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Token: SeImpersonatePrivilege 4792 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe Token: SeDebugPrivilege 3644 powershell.exe Token: SeDebugPrivilege 2856 powershell.exe Token: SeDebugPrivilege 4912 powershell.exe Token: SeDebugPrivilege 3908 powershell.exe Token: SeDebugPrivilege 3868 powershell.exe Token: SeDebugPrivilege 2240 powershell.exe Token: SeSystemEnvironmentPrivilege 5008 csrss.exe Token: SeSecurityPrivilege 1724 sc.exe Token: SeSecurityPrivilege 1724 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4792 wrote to memory of 1988 4792 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 82 PID 4792 wrote to memory of 1988 4792 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 82 PID 4792 wrote to memory of 1988 4792 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 82 PID 5084 wrote to memory of 3644 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 87 PID 5084 wrote to memory of 3644 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 87 PID 5084 wrote to memory of 3644 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 87 PID 5084 wrote to memory of 4816 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 89 PID 5084 wrote to memory of 4816 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 89 PID 4816 wrote to memory of 1196 4816 cmd.exe 91 PID 4816 wrote to memory of 1196 4816 cmd.exe 91 PID 5084 wrote to memory of 2856 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 92 PID 5084 wrote to memory of 2856 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 92 PID 5084 wrote to memory of 2856 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 92 PID 5084 wrote to memory of 4912 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 94 PID 5084 wrote to memory of 4912 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 94 PID 5084 wrote to memory of 4912 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 94 PID 5084 wrote to memory of 5008 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 96 PID 5084 wrote to memory of 5008 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 96 PID 5084 wrote to memory of 5008 5084 76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe 96 PID 5008 wrote to memory of 3908 5008 csrss.exe 97 PID 5008 wrote to memory of 3908 5008 csrss.exe 97 PID 5008 wrote to memory of 3908 5008 csrss.exe 97 PID 5008 wrote to memory of 3868 5008 csrss.exe 103 PID 5008 wrote to memory of 3868 5008 csrss.exe 103 PID 5008 wrote to memory of 3868 5008 csrss.exe 103 PID 5008 wrote to memory of 2240 5008 csrss.exe 106 PID 5008 wrote to memory of 2240 5008 csrss.exe 106 PID 5008 wrote to memory of 2240 5008 csrss.exe 106 PID 5008 wrote to memory of 3064 5008 csrss.exe 108 PID 5008 wrote to memory of 3064 5008 csrss.exe 108 PID 4252 wrote to memory of 3676 4252 windefender.exe 114 PID 4252 wrote to memory of 3676 4252 windefender.exe 114 PID 4252 wrote to memory of 3676 4252 windefender.exe 114 PID 3676 wrote to memory of 1724 3676 cmd.exe 115 PID 3676 wrote to memory of 1724 3676 cmd.exe 115 PID 3676 wrote to memory of 1724 3676 cmd.exe 115 -
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\76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe"C:\Users\Admin\AppData\Local\Temp\76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1988
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C:\Users\Admin\AppData\Local\Temp\76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.exe"C:\Users\Admin\AppData\Local\Temp\76f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59.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:5084 -
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:3644
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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:4816 -
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:1196
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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:2856
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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:4912
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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:5008 -
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:3908
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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:3684
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4904
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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:3868
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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:2240
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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:3064
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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:1876
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4252 -
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:3676 -
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:1724
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4816
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e3d72de87e60561e76484751a44aa419
SHA104e094e006e804ff79f5ffa6442461dac1a3ec67
SHA256b2724e09f9572544ef59ad5c08245d224325ebd02e95022ccc99a4cfe78db108
SHA512fe2197d131ce6f0d30f08cfd5f82e2cb80d577356cd01c9a35dc60448144fd3d77b03469edc3973472da4dafd3aa279ab12e75b10d31cffc4fa81f6bb433d366
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56ef287fa28d691c2e8a44b16d24670cd
SHA11e18950ac11aa61fb598ed9041c3e7b6263040d2
SHA2567c3aa129f556a640156eb032f7dfb2dcf492515e2fadaa4f1fd7874f84554733
SHA512058b2b264252c284547ba6154e850fbd79304e0f063988de879b918882f790d1aab56eb7d1b44eb4358b4415b1e83a99bdbd34c523be2fbaccddd74815fd5903
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1cdf72a197b51faf60a457288c35e69
SHA1a835db2a88a7c567b3390d8e624f35d1d1eb377f
SHA256d26bba5cf39f5070fe32807acc6814f3ef9766cdd90ecf51e9158405ca475535
SHA5122245ef872d4ae715f84b02f41f845a1e063aa7886ef24cbad8e40a48cea36d77b4458cddcdc1ba2998b4270a877f3a9825ebaffe87fd2b2f6d9d9c2aa9952381
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD545f3cac3def63e725a479fd293f2f2ea
SHA1fb1f3b9ba57d59b19ec463b6ba92ae24d71e4f51
SHA256ee8367e52e8bb77edb81515d7a0e448a13fdd2d557860c582eb99904607925e9
SHA5128b5779ecacc4cd2f138a19512a13133821da3eae00c233a090d17c185da0652d7be3f10a947a6826d881e8e76d70baf9840067c00a58822c56b0c02f2620ba09
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5df47085be0b6e3dce36bcb313baee492
SHA1219847970926af8b51031ca982c0ea59b41f6e29
SHA2567f34687cfb68bb7615352797ebeaf1ae7551647de93b33f3134bd62e092e41af
SHA5127f51e702694a969354890ee59676bfbc88791701ac19b376375e73969073635b62b8409f9a6dd83d8575ec235bc8d8f0fa08fc07f3ab0701cafd5ead9df9a42a
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Filesize
4.1MB
MD515395dc893d9a0ddb1bafdecd403642a
SHA1d8b7a47f6e78b5c0c26eaa6062927de4d9a4f50b
SHA25676f1dfc5095652b64e15a9ac0c97d104c6d9f5c373ab7286cb43e5b91e284b59
SHA51210dd83c6bc26905c0ef619918c4b9efdf025b5e31923dcf1fa50618ef3db60ce7b90d310f2aa229c42f3ada34226ffefae8c3efa3771955e0765b10af0a6283b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec