Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2024 16:27
Static task
static1
Behavioral task
behavioral1
Sample
942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe
Resource
win10v2004-20240426-en
General
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Target
942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe
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Size
4.1MB
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MD5
3600b9a82907a9f072c5086fdc376220
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SHA1
0553de1e76929adf821c5d78516a8ad2a86eb503
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SHA256
942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6
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SHA512
1389f017f0ff4cb31d068a1f9add60cd0f1670a271ab8463ed5a68e65464f9e60943a9daa48a6cc9ad9fe42d38a80cd123ac51ff8b7bb4aa6a0f22ac7291a5a5
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SSDEEP
98304:MxfL9oyIkrku4AJMBJNRxIbk0RddEjk9Pc8cg301s2mGvl:6RrVrv4XbNRWhj2o9k8f3CspGvl
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/2248-2-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral1/memory/2248-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2248-54-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/2248-57-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral1/memory/2248-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1132-137-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-234-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-239-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-242-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-249-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-250-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral1/memory/4264-252-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4340 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4264 csrss.exe 4716 injector.exe 1880 windefender.exe 3408 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023448-223.dat upx behavioral1/memory/1880-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3408-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1880-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3408-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3408-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3408-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 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 -
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 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe File created C:\Windows\rss\csrss.exe 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.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 3788 sc.exe -
pid Process 2156 powershell.exe 2712 powershell.exe 1924 powershell.exe 4812 powershell.exe 1828 powershell.exe 408 powershell.exe 4812 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4896 1132 WerFault.exe 92 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4696 schtasks.exe 2448 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.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,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.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\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran 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" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar 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\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 408 powershell.exe 408 powershell.exe 2248 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 2248 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 4812 powershell.exe 4812 powershell.exe 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 2156 powershell.exe 2156 powershell.exe 2712 powershell.exe 2712 powershell.exe 1924 powershell.exe 1924 powershell.exe 1924 powershell.exe 4812 powershell.exe 4812 powershell.exe 4812 powershell.exe 1828 powershell.exe 1828 powershell.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4264 csrss.exe 4264 csrss.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4264 csrss.exe 4264 csrss.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4264 csrss.exe 4264 csrss.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe 4716 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 408 powershell.exe Token: SeDebugPrivilege 2248 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Token: SeImpersonatePrivilege 2248 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe Token: SeDebugPrivilege 4812 powershell.exe Token: SeDebugPrivilege 2156 powershell.exe Token: SeDebugPrivilege 2712 powershell.exe Token: SeDebugPrivilege 1924 powershell.exe Token: SeDebugPrivilege 4812 powershell.exe Token: SeDebugPrivilege 1828 powershell.exe Token: SeSystemEnvironmentPrivilege 4264 csrss.exe Token: SeSecurityPrivilege 3788 sc.exe Token: SeSecurityPrivilege 3788 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2248 wrote to memory of 408 2248 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 87 PID 2248 wrote to memory of 408 2248 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 87 PID 2248 wrote to memory of 408 2248 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 87 PID 1132 wrote to memory of 4812 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 119 PID 1132 wrote to memory of 4812 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 119 PID 1132 wrote to memory of 4812 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 119 PID 1132 wrote to memory of 2452 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 100 PID 1132 wrote to memory of 2452 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 100 PID 2452 wrote to memory of 4340 2452 cmd.exe 102 PID 2452 wrote to memory of 4340 2452 cmd.exe 102 PID 1132 wrote to memory of 2156 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 103 PID 1132 wrote to memory of 2156 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 103 PID 1132 wrote to memory of 2156 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 103 PID 1132 wrote to memory of 2712 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 105 PID 1132 wrote to memory of 2712 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 105 PID 1132 wrote to memory of 2712 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 105 PID 1132 wrote to memory of 4264 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 109 PID 1132 wrote to memory of 4264 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 109 PID 1132 wrote to memory of 4264 1132 942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe 109 PID 4264 wrote to memory of 1924 4264 csrss.exe 113 PID 4264 wrote to memory of 1924 4264 csrss.exe 113 PID 4264 wrote to memory of 1924 4264 csrss.exe 113 PID 4264 wrote to memory of 4812 4264 csrss.exe 119 PID 4264 wrote to memory of 4812 4264 csrss.exe 119 PID 4264 wrote to memory of 4812 4264 csrss.exe 119 PID 4264 wrote to memory of 1828 4264 csrss.exe 121 PID 4264 wrote to memory of 1828 4264 csrss.exe 121 PID 4264 wrote to memory of 1828 4264 csrss.exe 121 PID 4264 wrote to memory of 4716 4264 csrss.exe 123 PID 4264 wrote to memory of 4716 4264 csrss.exe 123 PID 1880 wrote to memory of 2460 1880 windefender.exe 129 PID 1880 wrote to memory of 2460 1880 windefender.exe 129 PID 1880 wrote to memory of 2460 1880 windefender.exe 129 PID 2460 wrote to memory of 3788 2460 cmd.exe 130 PID 2460 wrote to memory of 3788 2460 cmd.exe 130 PID 2460 wrote to memory of 3788 2460 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\942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe"C:\Users\Admin\AppData\Local\Temp\942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:408
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C:\Users\Admin\AppData\Local\Temp\942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.exe"C:\Users\Admin\AppData\Local\Temp\942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6.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:1132 -
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:4812
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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:2452 -
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:4340
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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:2156
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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:2712
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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:4264 -
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:1924
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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:4696
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:880
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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:4812
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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:1828
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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:4716
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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:2448
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1880 -
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:2460 -
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:3788
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1132 -s 8603⤵
- Program crash
PID:4896
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1132 -ip 11321⤵PID:5028
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3408
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
MD57f36a35a7d8425e3a166e9c2cb126b68
SHA11861b1109a05cc42e2150bef0bb5493e7032600b
SHA2565eb064ba9b49ceb8303ed40185a5650473afa9f54332f55656ed5cee6d0873f0
SHA512c29eda90450e32469ad8764bf74b6df0722ba20f8115c7026a78bd3b42da73092806480f861d6812fe47a1c41b865ee3e3ac5876d76a3647bdec3ace2493127d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD576509ec1e600b27d27570e62dc17cb34
SHA14787312430bcd48a770016fb9da22ad52edb251e
SHA256675d49bff8790f1e20577a69775a68f925f8a5c748a2ad3f956133da11a0a95d
SHA51228bd4c744a8591ebbdbf548e29f71be1c7a98390dd4b17fdf60e2066c46ad92ed769c631c64ab1b3e4801043c778e4dff6afa0142d63d8be2867c0ffafce3961
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD567c784ded33ceba3ca48cdc58e239899
SHA13de174ee02d004bc82d9aec4baa021a5cfd70243
SHA25635a4b1fc2c3b1415bec5a4fa1872d1529ba1cfffb95f7e30bdae958c991eeeee
SHA5120455e3e71cc614b73a2f79ace5f1e9173e98da7ad427b94c848b0e0c7da5a4db26a23542e73c4153fb903d85622e636c84e27a4f73bbfe8a51946583e205490b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56110ff921b7881b36e194156fe0e29dc
SHA19931a2038d6228c25c9f03ef71c5cf0b9b9f039a
SHA256db792981b27d7ba86f9ec8629229ad6ac1caae4fbb224d0c57372f76cb5ee15a
SHA51217bb440c8a0ec468ec499a2fc46b862776615e43e4008073120c278f78bc1d2ab0e902b54f2ba3aec3452c323663d8a34485006234d12cd62736c07d8ec91557
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5939301ee356666df8007b5a433ed0160
SHA1e9b3294527325ff9c682f1892cbe2ef5d1fa4401
SHA256d1f21f44e22d4c89cf57936cc2c4492ece53354521e32dfb75c4dfa652d9f460
SHA51227ea69640c335f53f852a75e4c187c52fd83a76a89cf0a0485fb51022d28db2a9c6c3d2550ec801254ce98874122482a570f79b39d5e00f1185f33486d4a6040
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Filesize
4.1MB
MD53600b9a82907a9f072c5086fdc376220
SHA10553de1e76929adf821c5d78516a8ad2a86eb503
SHA256942893be9543258a4290f15162e51847b081f46aad850c902cb5ace6244af9f6
SHA5121389f017f0ff4cb31d068a1f9add60cd0f1670a271ab8463ed5a68e65464f9e60943a9daa48a6cc9ad9fe42d38a80cd123ac51ff8b7bb4aa6a0f22ac7291a5a5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec