Analysis
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max time kernel
149s -
max time network
113s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
30/04/2024, 10:31
Static task
static1
Behavioral task
behavioral1
Sample
e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe
Resource
win10v2004-20240419-en
General
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Target
e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe
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Size
4.1MB
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MD5
ed324701304e4fe7b5cc0f176e0a53d7
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SHA1
d541470c60b5416e86b74f23d79c71fb4f1d11f2
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SHA256
e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62
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SHA512
a349d34fce36b1ac031020cdfdca219e5b48f03629b9057153707a5b06292cda91cbcf4a585e92fdde601c51182671965e2d955405a2b4a9c64381b0aff0a964
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SSDEEP
98304:u5cYducveP7YU45xwOWJT0aNL+AM/0zDTKu+sSgd2sGCIH8BwxlV:udxzNWeaNLRTPSgdyRxlV
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4108-2-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral2/memory/4108-3-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/4108-53-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/4108-54-0x0000000003F10000-0x00000000047FB000-memory.dmp family_glupteba behavioral2/memory/1904-126-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-151-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-198-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-204-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-205-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-206-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-207-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-208-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-209-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-210-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-211-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-212-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-213-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba behavioral2/memory/2640-214-0x0000000000400000-0x0000000001DF1000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3524 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 2640 csrss.exe 2168 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\S-1-5-21-891789021-684472942-1795878712-1000\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 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe File created C:\Windows\rss\csrss.exe e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 3308 4108 WerFault.exe 78 3832 1904 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4560 schtasks.exe 1516 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.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,-741 = "New Zealand Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2840 powershell.exe 2840 powershell.exe 4108 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 4108 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 4500 powershell.exe 4500 powershell.exe 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 4352 powershell.exe 4352 powershell.exe 4252 powershell.exe 4252 powershell.exe 800 powershell.exe 800 powershell.exe 2600 powershell.exe 2600 powershell.exe 4064 powershell.exe 4064 powershell.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2640 csrss.exe 2640 csrss.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2640 csrss.exe 2640 csrss.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe 2168 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 2840 powershell.exe Token: SeDebugPrivilege 4108 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Token: SeImpersonatePrivilege 4108 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe Token: SeDebugPrivilege 4500 powershell.exe Token: SeDebugPrivilege 4352 powershell.exe Token: SeDebugPrivilege 4252 powershell.exe Token: SeDebugPrivilege 800 powershell.exe Token: SeDebugPrivilege 2600 powershell.exe Token: SeDebugPrivilege 4064 powershell.exe Token: SeSystemEnvironmentPrivilege 2640 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4108 wrote to memory of 2840 4108 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 81 PID 4108 wrote to memory of 2840 4108 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 81 PID 4108 wrote to memory of 2840 4108 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 81 PID 1904 wrote to memory of 4500 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 89 PID 1904 wrote to memory of 4500 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 89 PID 1904 wrote to memory of 4500 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 89 PID 1904 wrote to memory of 3644 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 91 PID 1904 wrote to memory of 3644 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 91 PID 3644 wrote to memory of 3524 3644 cmd.exe 93 PID 3644 wrote to memory of 3524 3644 cmd.exe 93 PID 1904 wrote to memory of 4352 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 94 PID 1904 wrote to memory of 4352 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 94 PID 1904 wrote to memory of 4352 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 94 PID 1904 wrote to memory of 4252 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 96 PID 1904 wrote to memory of 4252 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 96 PID 1904 wrote to memory of 4252 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 96 PID 1904 wrote to memory of 2640 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 98 PID 1904 wrote to memory of 2640 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 98 PID 1904 wrote to memory of 2640 1904 e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe 98 PID 2640 wrote to memory of 800 2640 csrss.exe 101 PID 2640 wrote to memory of 800 2640 csrss.exe 101 PID 2640 wrote to memory of 800 2640 csrss.exe 101 PID 2640 wrote to memory of 2600 2640 csrss.exe 107 PID 2640 wrote to memory of 2600 2640 csrss.exe 107 PID 2640 wrote to memory of 2600 2640 csrss.exe 107 PID 2640 wrote to memory of 4064 2640 csrss.exe 109 PID 2640 wrote to memory of 4064 2640 csrss.exe 109 PID 2640 wrote to memory of 4064 2640 csrss.exe 109 PID 2640 wrote to memory of 2168 2640 csrss.exe 111 PID 2640 wrote to memory of 2168 2640 csrss.exe 111 -
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\e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe"C:\Users\Admin\AppData\Local\Temp\e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2840
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C:\Users\Admin\AppData\Local\Temp\e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.exe"C:\Users\Admin\AppData\Local\Temp\e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62.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:1904 -
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:4500
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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:3644 -
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:3524
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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:4352
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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:4252
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640 -
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:800
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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:4560
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1496
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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:2600
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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:4064
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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:2168
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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:1516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 6123⤵
- Program crash
PID:3832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4108 -s 6522⤵
- Program crash
PID:3308
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4108 -ip 41081⤵PID:936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1904 -ip 19041⤵PID:3348
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
MD5432bc64d3a9b3b9005056ac4b72289c7
SHA10e895a8fea219f79d697928648e687758563ca8d
SHA25697834f2f6cfa1bfd98322c889a0e84e69a075380058c02509325f36f71106033
SHA51228c0486e2857c77f638dc59f4828548eb774e060b00f2c36ec2b2c4d8e65fc65f096bdcd23c1bfe0c3b7e24a0dfdef6fd58a2ec784924441615936c26180b330
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8247b5ee396d642159319fdbc3b9fee
SHA130318a1929d4af2f6ca781f084258396d80e912f
SHA2563580c0b5866a777707ee41d6fcff15f533968a9d6d0eea2c40239caffbc71e7a
SHA512775dc3ff46128560525e7125f8aff8ed740ea5a405e6db061dc0003ec49dce59755515d508cd52a37227062f0a23ffce93f32afc6d72929321a2039d2989a483
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD502fd080932c55ffdeabd4fbf9c7454a8
SHA13d75e36a1c0b8a77db3d680eabe373e88c751b48
SHA256f143b3ab3f91e0164b5ff9422a2095cff00565d8c51e6137c0f103df640fe0a0
SHA5125caabd0e36d568316b0155181658bf0ffa8cf56f189f661b216b5ce9e4c16c260c47dad4899f847959b1487fa5fc20db9edc201001b5782ee7ec7a6d3a8815ae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD585394d30171e817e8caf7a0c37b6c3fa
SHA16a27aa27b7dd18c837550122bd3737e5b8314bd6
SHA256faf0c6a174c4e2d5b17a5c05cc8abdeab2991e3bdf5307e86d63c8f6b3b8c036
SHA51230d065753af807b8e855abcf53dc5546b3cc4319de324b7c1f501d81aa0b7c103565e3c81e99e5f865b0c6a5c789d16a15f747aea51d0636a47b622270cfd5a3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b46807f2c6521770997b649775553e0
SHA15048927632a9f6cf7337400dae726756e9515b98
SHA25603c1484efeb90f71103ac61f9ba55d53323e25481659f2cc6f3d1772e34835ab
SHA512b1c0c25ddee0e4522127fc9c2d97aa034f40d9d3f8efdff9a54309f9ad8a500853d44724dc8b8b36afbcd884c643362ab9a5a8f8cd786da3b9f7d660576c30ae
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Filesize
4.1MB
MD5ed324701304e4fe7b5cc0f176e0a53d7
SHA1d541470c60b5416e86b74f23d79c71fb4f1d11f2
SHA256e51d61163abe510000dd213dc6bb4b69904bf53e93007758ff5347bad8c2cb62
SHA512a349d34fce36b1ac031020cdfdca219e5b48f03629b9057153707a5b06292cda91cbcf4a585e92fdde601c51182671965e2d955405a2b4a9c64381b0aff0a964