Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 14:05
Static task
static1
Behavioral task
behavioral1
Sample
e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe
Resource
win10v2004-20240226-en
General
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Target
e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe
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Size
4.1MB
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MD5
9271f27d459a388501d418c6da6d8ffc
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SHA1
e69d59b17c6319d7bbb8f1a8132a2420e25f66a4
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SHA256
e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f
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SHA512
ebff58106392894ea69a2947c6e9bbecb0a1768e3bf842ee12253ebd53f3b37af7f7c730ee5d433a2ee31e0654bb4eac3181cbb4ccb3c3ec4dca8b571f3b87ba
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SSDEEP
98304:QuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBS4:QuOpIddBi3V8Ojm7gWylM939C1
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/224-2-0x0000000004950000-0x000000000523B000-memory.dmp family_glupteba behavioral1/memory/224-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/224-22-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/224-31-0x0000000004950000-0x000000000523B000-memory.dmp family_glupteba behavioral1/memory/224-49-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/224-48-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/224-60-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/224-98-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3052-100-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/3052-151-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4036-215-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4036-223-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4036-233-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4036-237-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4036-241-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4036-245-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4036-249-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4036-254-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral1/memory/4036-258-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5068 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4036 csrss.exe 4876 injector.exe 1852 windefender.exe 2924 windefender.exe -
resource yara_rule behavioral1/memory/1852-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000a000000016fa5-227.dat upx behavioral1/memory/2924-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1852-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2924-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2924-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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\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 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe File created C:\Windows\rss\csrss.exe e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.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 4384 sc.exe -
pid Process 3060 powershell.exe 3668 powershell.exe 3956 powershell.exe 1732 powershell.exe 3684 powershell.exe 2968 powershell.exe 3380 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 2144 schtasks.exe 4048 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,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-282 = "Central Europe 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,-232 = "Hawaiian Standard Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1732 powershell.exe 1732 powershell.exe 224 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 224 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 3684 powershell.exe 3684 powershell.exe 3684 powershell.exe 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 2968 powershell.exe 2968 powershell.exe 2968 powershell.exe 3380 powershell.exe 3380 powershell.exe 3380 powershell.exe 3060 powershell.exe 3060 powershell.exe 3060 powershell.exe 3668 powershell.exe 3668 powershell.exe 3668 powershell.exe 3956 powershell.exe 3956 powershell.exe 3956 powershell.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4036 csrss.exe 4036 csrss.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4036 csrss.exe 4036 csrss.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4036 csrss.exe 4036 csrss.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe 4876 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1732 powershell.exe Token: SeDebugPrivilege 224 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Token: SeImpersonatePrivilege 224 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Token: SeDebugPrivilege 3684 powershell.exe Token: SeDebugPrivilege 2968 powershell.exe Token: SeDebugPrivilege 3380 powershell.exe Token: SeDebugPrivilege 3060 powershell.exe Token: SeDebugPrivilege 3668 powershell.exe Token: SeDebugPrivilege 3956 powershell.exe Token: SeSystemEnvironmentPrivilege 4036 csrss.exe Token: SeSecurityPrivilege 4384 sc.exe Token: SeSecurityPrivilege 4384 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 224 wrote to memory of 1732 224 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 91 PID 224 wrote to memory of 1732 224 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 91 PID 224 wrote to memory of 1732 224 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 91 PID 3052 wrote to memory of 3684 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 102 PID 3052 wrote to memory of 3684 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 102 PID 3052 wrote to memory of 3684 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 102 PID 3052 wrote to memory of 2144 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 115 PID 3052 wrote to memory of 2144 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 115 PID 2144 wrote to memory of 5068 2144 cmd.exe 106 PID 2144 wrote to memory of 5068 2144 cmd.exe 106 PID 3052 wrote to memory of 2968 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 107 PID 3052 wrote to memory of 2968 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 107 PID 3052 wrote to memory of 2968 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 107 PID 3052 wrote to memory of 3380 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 109 PID 3052 wrote to memory of 3380 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 109 PID 3052 wrote to memory of 3380 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 109 PID 3052 wrote to memory of 4036 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 112 PID 3052 wrote to memory of 4036 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 112 PID 3052 wrote to memory of 4036 3052 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 112 PID 4036 wrote to memory of 3060 4036 csrss.exe 113 PID 4036 wrote to memory of 3060 4036 csrss.exe 113 PID 4036 wrote to memory of 3060 4036 csrss.exe 113 PID 4036 wrote to memory of 3668 4036 csrss.exe 118 PID 4036 wrote to memory of 3668 4036 csrss.exe 118 PID 4036 wrote to memory of 3668 4036 csrss.exe 118 PID 4036 wrote to memory of 3956 4036 csrss.exe 121 PID 4036 wrote to memory of 3956 4036 csrss.exe 121 PID 4036 wrote to memory of 3956 4036 csrss.exe 121 PID 4036 wrote to memory of 4876 4036 csrss.exe 123 PID 4036 wrote to memory of 4876 4036 csrss.exe 123 PID 1852 wrote to memory of 2700 1852 windefender.exe 129 PID 1852 wrote to memory of 2700 1852 windefender.exe 129 PID 1852 wrote to memory of 2700 1852 windefender.exe 129 PID 2700 wrote to memory of 4384 2700 cmd.exe 130 PID 2700 wrote to memory of 4384 2700 cmd.exe 130 PID 2700 wrote to memory of 4384 2700 cmd.exe 130 -
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\e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe"C:\Users\Admin\AppData\Local\Temp\e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1732
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C:\Users\Admin\AppData\Local\Temp\e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe"C:\Users\Admin\AppData\Local\Temp\e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.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:3052 -
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:3684
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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:2144 -
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:5068
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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:2968
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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:3380
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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:4036 -
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:3060
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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:2144
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1932
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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:3668
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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:3956
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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:4876
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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:4048
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1852 -
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:2700 -
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:4384
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3932 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:4044
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2924
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
MD5f09f0cde0e5c9c5964ad0d452acbc240
SHA1c3b455593d11df8f30765429c61b11361d391c20
SHA2562aeb0e45052b4fc5374478b4b5d2b3514532e5b1efaf415ee34239c621d84dd3
SHA512039ee44e47c63c49eeb594e0e453dd8fbe887e694bd347b6378f1749aab83c08b2e36fb10a0b8ba0b5db84a248ab3b121700678bb200d559c8ce9a109b65634a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD596a1579cc301a1a70c57305dabc90375
SHA1ae8038706009e88b36eef7d737ef5f05d0cd4b51
SHA25641e7ba1d07d18be6c7662e3a66476301b5c55b2da40890211c08bd7462f6e56b
SHA512fdcf7e1f74e52f661829fe6a14a7881ecc647710bb52111e1f4e49df1dcff12da5c024f6e7c8250811b8336d9db9d02fae63c1d64344ca3ab6b9bd863767a43b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b3f94ff14f195c844c27fa8cfcdc5aad
SHA16bcb3c02afbca9a6418ad955c22f7def2c0c3b8e
SHA256a87dd74c130682e65afaee91087793c7d2cdb6b91e45c3c62bc966d1a1bf645b
SHA512ca1dc93c6977ed36145170748ab966dded3a8f691dbb9cb88066949602aa0337376a1840c5637f13fa7417d66ccbd5615b5e1e08bc8e70c67d5ad109d46464a1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5397a2943f63625604b62417ca345aaff
SHA1ad3177ad32b04e2930dfe41c8a0c274e28bf0093
SHA256701d9e16df673f2c43c2602af32037d5badc394ca2525cf2c18d308ffa23f368
SHA51266c2d7abc5d79c5f6c53f82b523f1c5fcc23a09a7a324a63fdf71baf2ca2767e9f836432da57ca67e7ac14f95ba9d919f8b5b1ef63811bbc7b6ce7a6765f24de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD586a7c6175f1f8f356edcd19a0bde3bdd
SHA11a92429940f51fb5c9306caefade03d93499471c
SHA256ac8c24eb410191f3b66ba0224290a4227a58a473e2174008243c90606f646f69
SHA512f40dd798835444c7f3381ac5f07b3c84a23ce257b4e855183b7a73f9f00cd760c5e1a3b5082ca411bdf67d725cc0bcf43b43e90bfa05ff0c6e38e3402598452e
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Filesize
4.1MB
MD59271f27d459a388501d418c6da6d8ffc
SHA1e69d59b17c6319d7bbb8f1a8132a2420e25f66a4
SHA256e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f
SHA512ebff58106392894ea69a2947c6e9bbecb0a1768e3bf842ee12253ebd53f3b37af7f7c730ee5d433a2ee31e0654bb4eac3181cbb4ccb3c3ec4dca8b571f3b87ba
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec