Analysis
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max time kernel
150s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 14:04
Static task
static1
Behavioral task
behavioral1
Sample
73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe
Resource
win10v2004-20240508-en
General
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Target
73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe
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Size
4.1MB
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MD5
afef614a66fc7228f3bb0ee0b9dd7eae
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SHA1
c1b376558271f3a1cccdd599b3969db5b4edf2e5
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SHA256
73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d
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SHA512
86b741838132a101e15a84100e6766655889e0c6e429d11ad233ff9aac7ce66b9566e5e7651d990278dc8ee779c69d6697bfae3bc43c195ebd9984e64aef87e3
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SSDEEP
98304:IuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBSe:IuOpIddBi3V8Ojm7gWylM939CD
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3000-2-0x0000000004850000-0x000000000513B000-memory.dmp family_glupteba behavioral1/memory/3000-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3000-55-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3000-56-0x0000000004850000-0x000000000513B000-memory.dmp family_glupteba behavioral1/memory/3000-53-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3112-145-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-213-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-228-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-230-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-233-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-236-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-240-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-242-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-245-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-248-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-252-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-255-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-257-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3172-260-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 432 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3172 csrss.exe 4108 injector.exe 2072 windefender.exe 4076 windefender.exe -
resource yara_rule behavioral1/files/0x00070000000233fd-221.dat upx behavioral1/memory/2072-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2072-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4076-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4076-237-0x0000000000400000-0x00000000008DF000-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\"" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.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\"" 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 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe File created C:\Windows\rss\csrss.exe 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.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 1908 sc.exe -
pid Process 4968 powershell.exe 652 powershell.exe 564 powershell.exe 3528 powershell.exe 1152 powershell.exe 2244 powershell.exe 4540 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 1712 schtasks.exe 4532 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\@tzres.dll,-1472 = "Magadan Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-2412 = "Marquesas Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard 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" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.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\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 564 powershell.exe 564 powershell.exe 3000 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 3000 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 3528 powershell.exe 3528 powershell.exe 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 1152 powershell.exe 1152 powershell.exe 2244 powershell.exe 2244 powershell.exe 4540 powershell.exe 4540 powershell.exe 4968 powershell.exe 4968 powershell.exe 652 powershell.exe 652 powershell.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 3172 csrss.exe 3172 csrss.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 3172 csrss.exe 3172 csrss.exe 4108 injector.exe 4108 injector.exe 3172 csrss.exe 3172 csrss.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe 4108 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 564 powershell.exe Token: SeDebugPrivilege 3000 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Token: SeImpersonatePrivilege 3000 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe Token: SeDebugPrivilege 3528 powershell.exe Token: SeDebugPrivilege 1152 powershell.exe Token: SeDebugPrivilege 2244 powershell.exe Token: SeDebugPrivilege 4540 powershell.exe Token: SeDebugPrivilege 4968 powershell.exe Token: SeDebugPrivilege 652 powershell.exe Token: SeSystemEnvironmentPrivilege 3172 csrss.exe Token: SeSecurityPrivilege 1908 sc.exe Token: SeSecurityPrivilege 1908 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3000 wrote to memory of 564 3000 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 82 PID 3000 wrote to memory of 564 3000 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 82 PID 3000 wrote to memory of 564 3000 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 82 PID 3112 wrote to memory of 3528 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 90 PID 3112 wrote to memory of 3528 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 90 PID 3112 wrote to memory of 3528 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 90 PID 3112 wrote to memory of 3028 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 93 PID 3112 wrote to memory of 3028 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 93 PID 3028 wrote to memory of 432 3028 cmd.exe 96 PID 3028 wrote to memory of 432 3028 cmd.exe 96 PID 3112 wrote to memory of 1152 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 97 PID 3112 wrote to memory of 1152 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 97 PID 3112 wrote to memory of 1152 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 97 PID 3112 wrote to memory of 2244 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 99 PID 3112 wrote to memory of 2244 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 99 PID 3112 wrote to memory of 2244 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 99 PID 3112 wrote to memory of 3172 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 101 PID 3112 wrote to memory of 3172 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 101 PID 3112 wrote to memory of 3172 3112 73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe 101 PID 3172 wrote to memory of 4540 3172 csrss.exe 102 PID 3172 wrote to memory of 4540 3172 csrss.exe 102 PID 3172 wrote to memory of 4540 3172 csrss.exe 102 PID 3172 wrote to memory of 4968 3172 csrss.exe 108 PID 3172 wrote to memory of 4968 3172 csrss.exe 108 PID 3172 wrote to memory of 4968 3172 csrss.exe 108 PID 3172 wrote to memory of 652 3172 csrss.exe 110 PID 3172 wrote to memory of 652 3172 csrss.exe 110 PID 3172 wrote to memory of 652 3172 csrss.exe 110 PID 3172 wrote to memory of 4108 3172 csrss.exe 112 PID 3172 wrote to memory of 4108 3172 csrss.exe 112 PID 2072 wrote to memory of 2056 2072 windefender.exe 119 PID 2072 wrote to memory of 2056 2072 windefender.exe 119 PID 2072 wrote to memory of 2056 2072 windefender.exe 119 PID 2056 wrote to memory of 1908 2056 cmd.exe 120 PID 2056 wrote to memory of 1908 2056 cmd.exe 120 PID 2056 wrote to memory of 1908 2056 cmd.exe 120 -
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\73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe"C:\Users\Admin\AppData\Local\Temp\73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:564
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C:\Users\Admin\AppData\Local\Temp\73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.exe"C:\Users\Admin\AppData\Local\Temp\73fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d.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:3112 -
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:3528
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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:3028 -
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:432
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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:1152
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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:2244
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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:3172 -
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:4540
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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:1712
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3504
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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:4968
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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:652
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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:4108
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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:4532
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2072 -
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:2056 -
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:1908
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4076
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5748d23fb33425088761482916d57b20c
SHA13b7f86c79f98a43afcd3b36dcc148c3750a95823
SHA256cfc6ccbf9327ad699c630dd84050b037f41b2f3e2af51eacc2183dfa982e32ed
SHA512403e3d14ae003e66883b0614ae5138701346f5e5b6aa78512587499891f194411a588547aa80ca17b08f8c41aade62922fb6d23b62c0eb10b0e7ab8e354d66b3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD515ec272dc03f9f9a8b5d613bb7d1aede
SHA15fa30f1f7ade221544a7b1457c59eb73cb4a3101
SHA256a0587a109eeb6f0dd8da5df4a096532f157b6347bfcf0e21880f90c3d362e87b
SHA512d85673baad329648833427e05135df8493e7f20569c746f2fd6255d23ba413046bd640f988fb40c5035b1b8cd3bf9a8ca6be061e0d7c6081e12bb9b3ff90f06c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5463ee4d63b5bb567fe1bedb9badbd40a
SHA181bb5a890d573a64665451df75770889fc36c3fd
SHA256210a474ceec153319b041cae894d13721146e7babd5475c6f89239098e3a8d1b
SHA512b9b1d4cc4aea8e802b8bb97bf21eda6240e0469a319e4749ccfb4cbb8e4f415931d1ad52cadd1c32fbdcea0914da3191eb932bea090317edc1b1d70249e26cda
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f9027e50eae941015b6afb743cbf459
SHA176747623d9408ee98cc585554fb8d5daf8870b61
SHA256efcb0f9db4ecd7d171d711606081f1d22a9f8c1e5e75ebea1968ee47c687600d
SHA51261f173a0f3b0863800b79302ba09dae57f37f60793b5482cbbe19b4ad2e678de550361b91b3ebd6253fa594b4d7aa6069a97094ec79c5b43a001681a9fae4b94
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a1bf4237f9c56757f940b8cef1fa3653
SHA17c8de7383b96f8585fac4c89b5dbf0c130e9daad
SHA256c0b6f0c2a6674af2a2c2eb973aae7d80b577378d5e41876ee3844b587e3c61d5
SHA512b54ccd022ac9601d152ce6ed5715b921b17f75603f9fd26e01284c8dc0d22984e09e75f7acf59acc923a0bf2ed2c6d1b52ad0306755c3df1a9965682f0ab988a
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Filesize
4.1MB
MD5afef614a66fc7228f3bb0ee0b9dd7eae
SHA1c1b376558271f3a1cccdd599b3969db5b4edf2e5
SHA25673fa526574b5a3a96e7dd50eaa5bc01c9ea58a089763ca8c426c418468bb879d
SHA51286b741838132a101e15a84100e6766655889e0c6e429d11ad233ff9aac7ce66b9566e5e7651d990278dc8ee779c69d6697bfae3bc43c195ebd9984e64aef87e3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec