Analysis
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max time kernel
150s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
05/04/2024, 15:32
Static task
static1
Behavioral task
behavioral1
Sample
e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe
Resource
win10v2004-20240226-en
General
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Target
e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe
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Size
4.1MB
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MD5
f79e8a951e8cb65238302fc9d28b9fba
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SHA1
bd8a46126a330d560361a0eb98964cf3d478ca5d
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SHA256
e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c
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SHA512
b1548b1adbea3116c9972c9bc3a1785cf82f11083ae03742b3d63b438faeac3827809ade36dcbaca3e8d9fc6c450d03cc91686d2f39143163bfd520a287ff58a
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SSDEEP
98304:1TMNq34P+HteGjy/aTJS6MZmor0j4/IIOiHGB2JYLNkQzzG+OFWZ5Nq:NMNWY+NG/aLSt/IeHGBHLKQyv
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral2/memory/5052-2-0x0000000003130000-0x0000000003A1B000-memory.dmp family_glupteba behavioral2/memory/5052-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5052-25-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5052-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5052-54-0x0000000003130000-0x0000000003A1B000-memory.dmp family_glupteba behavioral2/memory/4624-55-0x0000000002AB0000-0x0000000002EAC000-memory.dmp family_glupteba behavioral2/memory/4624-56-0x0000000002EB0000-0x000000000379B000-memory.dmp family_glupteba behavioral2/memory/4624-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4624-104-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4624-107-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4624-151-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-182-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4672-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2824 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4672 csrss.exe 4060 injector.exe 572 windefender.exe 1304 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7c5-249.dat upx behavioral2/memory/572-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1304-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1304-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-160263616-143223877-1356318919-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\S-1-5-21-160263616-143223877-1356318919-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe File created C:\Windows\rss\csrss.exe e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.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 1596 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 476 4624 WerFault.exe 82 5072 4624 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2504 schtasks.exe 1168 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\22\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3980 powershell.exe 3980 powershell.exe 5052 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 5052 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 480 powershell.exe 480 powershell.exe 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 3172 powershell.exe 3172 powershell.exe 700 powershell.exe 700 powershell.exe 3048 powershell.exe 3048 powershell.exe 5076 powershell.exe 5076 powershell.exe 4468 powershell.exe 4468 powershell.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4672 csrss.exe 4672 csrss.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4672 csrss.exe 4672 csrss.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4672 csrss.exe 4672 csrss.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe 4060 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3980 powershell.exe Token: SeDebugPrivilege 5052 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Token: SeImpersonatePrivilege 5052 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe Token: SeDebugPrivilege 480 powershell.exe Token: SeDebugPrivilege 3172 powershell.exe Token: SeDebugPrivilege 700 powershell.exe Token: SeDebugPrivilege 3048 powershell.exe Token: SeDebugPrivilege 5076 powershell.exe Token: SeDebugPrivilege 4468 powershell.exe Token: SeSystemEnvironmentPrivilege 4672 csrss.exe Token: SeSecurityPrivilege 1596 sc.exe Token: SeSecurityPrivilege 1596 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5052 wrote to memory of 3980 5052 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 78 PID 5052 wrote to memory of 3980 5052 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 78 PID 5052 wrote to memory of 3980 5052 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 78 PID 4624 wrote to memory of 480 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 83 PID 4624 wrote to memory of 480 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 83 PID 4624 wrote to memory of 480 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 83 PID 4624 wrote to memory of 2964 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 85 PID 4624 wrote to memory of 2964 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 85 PID 2964 wrote to memory of 2824 2964 cmd.exe 87 PID 2964 wrote to memory of 2824 2964 cmd.exe 87 PID 4624 wrote to memory of 3172 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 88 PID 4624 wrote to memory of 3172 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 88 PID 4624 wrote to memory of 3172 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 88 PID 4624 wrote to memory of 700 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 90 PID 4624 wrote to memory of 700 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 90 PID 4624 wrote to memory of 700 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 90 PID 4624 wrote to memory of 4672 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 92 PID 4624 wrote to memory of 4672 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 92 PID 4624 wrote to memory of 4672 4624 e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe 92 PID 4672 wrote to memory of 3048 4672 csrss.exe 98 PID 4672 wrote to memory of 3048 4672 csrss.exe 98 PID 4672 wrote to memory of 3048 4672 csrss.exe 98 PID 4672 wrote to memory of 5076 4672 csrss.exe 104 PID 4672 wrote to memory of 5076 4672 csrss.exe 104 PID 4672 wrote to memory of 5076 4672 csrss.exe 104 PID 4672 wrote to memory of 4468 4672 csrss.exe 106 PID 4672 wrote to memory of 4468 4672 csrss.exe 106 PID 4672 wrote to memory of 4468 4672 csrss.exe 106 PID 4672 wrote to memory of 4060 4672 csrss.exe 108 PID 4672 wrote to memory of 4060 4672 csrss.exe 108 PID 572 wrote to memory of 1264 572 windefender.exe 114 PID 572 wrote to memory of 1264 572 windefender.exe 114 PID 572 wrote to memory of 1264 572 windefender.exe 114 PID 1264 wrote to memory of 1596 1264 cmd.exe 115 PID 1264 wrote to memory of 1596 1264 cmd.exe 115 PID 1264 wrote to memory of 1596 1264 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\e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe"C:\Users\Admin\AppData\Local\Temp\e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5052 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3980
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C:\Users\Admin\AppData\Local\Temp\e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.exe"C:\Users\Admin\AppData\Local\Temp\e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c.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:4624 -
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:480
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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:2964 -
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:2824
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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:3172
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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:700
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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:4672 -
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:3048
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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:2504
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1416
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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:5076
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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:4468
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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:4060
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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:1168
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:572 -
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:1264 -
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:1596
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 8923⤵
- Program crash
PID:476
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 9003⤵
- Program crash
PID:5072
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4624 -ip 46241⤵PID:3476
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4624 -ip 46241⤵PID:1824
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1304
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD502be80c80f02276d7d7be94cfdd9cf7f
SHA16fce3ba80c6cb62e96cb76581733b4328a5499a0
SHA256aa541bc9ae928696b2b030d41b4fac3a5666adae914da51b5285caaf8b6fd624
SHA512a3a8056a1ffcced1d89d2b78bc295482417208eb8d571c6269718c3e1e3d71f91b42201c866ca87f6b620dd4833210af5d16e65ae7891479df9c9ddb684a94f3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56118873c1f3365d1ae094977eb7fec4e
SHA1ad72fcbfadb319cbfc614cad0392802dc15d0b9c
SHA256039cfb2ffb00fe4d7baddb0605fe97fc5abe4585b80e3839c6b1b89f350ad764
SHA5124b1fcc0b079ccd7c865dca3078adcbea39118155ac4fcbb9bd8c0424f1885d22a304b8bba3bd485e6fe5fd52e9b60795de595a9ba52ce6d89c13a2405052416c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ac2d2053e818d89e238f6d0ea100a02
SHA14441300961154f1d40f96748acb53f7320ef5c50
SHA256fbf84195d56dd3658ba4a29bc5545265cf4ec924c8f86a66b11ead35b3043aca
SHA51246a49d35d45d017966ac33729d584662313813b27133401298fdad3192c6434b8e74c36a122ef615979cb28913edf673a3d442186ddc6bdd26832f84dfc4fc24
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b31a4b568da12d420aee803e44e7eeb8
SHA10f6245f6c6e185dee26a37f19f9120135f208d66
SHA256ed7c5856dd9c5641aa2d8f8a42ce4933318fe4a228f13cf1e2560e69828c9f8d
SHA512397606359de12927c2a59fbeb99fcc79b2092b9ee12fcf2a6977d849c907dcdd0827a46c076d8feaa74cabf9d7cfecb2499c99ccc502233c598ee7c9a98ab268
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5521db168207f4cd92797d5e6e8627a18
SHA1848d56f21d1e4db5240426beda1ce32c8a189ad6
SHA256f8513601530e47f14813b97619d3766b912eb1721ca258c7d33c956a1dc04b00
SHA512fe11775f5954eae449995138764355963759bb678796e43733906ba21b6a0c7d92c491e9c73dd0ef11d02fd26577de582f37aefa4c7c658d9d149dacfc29e867
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Filesize
4.1MB
MD5f79e8a951e8cb65238302fc9d28b9fba
SHA1bd8a46126a330d560361a0eb98964cf3d478ca5d
SHA256e8ba664bb0afb1cfc4b7b7e2b9ef12af7f2a82776e35fb5c0d9d494ef517632c
SHA512b1548b1adbea3116c9972c9bc3a1785cf82f11083ae03742b3d63b438faeac3827809ade36dcbaca3e8d9fc6c450d03cc91686d2f39143163bfd520a287ff58a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec