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Analysis
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max time kernel
150s -
max time network
125s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
24/04/2024, 16:36
Static task
static1
Behavioral task
behavioral1
Sample
731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe
Resource
win10v2004-20240412-en
General
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Target
731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe
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Size
4.1MB
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MD5
9dec7d208a72874bc315d187011582d0
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SHA1
1dcdca46ce57cebe4559d372b28985dcfe77eb92
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SHA256
731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c
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SHA512
ef526decc659751ee48e07a9647d431601d17ef75002abff3dda5fbfc9ed6659e01399dc98cb5c91899cc639391c651eb5b4c9ee7d755b3f60609f42516fae20
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SSDEEP
98304:tFddrpuoRE7tl1yJ8vae/QmLpm2XHwIZYQzHZc5g5rp30lCUp:XLdBQ1yJ8Sedm2XHUQNc5XgY
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/1676-2-0x0000000006720000-0x000000000700B000-memory.dmp family_glupteba behavioral2/memory/4332-53-0x0000000006550000-0x0000000006E3B000-memory.dmp family_glupteba behavioral2/memory/1676-52-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4332-142-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-231-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-244-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-245-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-247-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-249-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-252-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-254-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-256-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-257-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-259-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-261-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-264-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba behavioral2/memory/4484-266-0x0000000000400000-0x0000000004416000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3236 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4484 csrss.exe 256 injector.exe 1624 windefender.exe 400 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa00-239.dat upx behavioral2/memory/1624-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/400-246-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/400-250-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/400-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe File created C:\Windows\rss\csrss.exe 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2808 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4144 1676 WerFault.exe 76 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1596 schtasks.exe 2840 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.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\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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\26\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3560 powershell.exe 3560 powershell.exe 1676 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 1676 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 2588 powershell.exe 2588 powershell.exe 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 1496 powershell.exe 1496 powershell.exe 4940 powershell.exe 4940 powershell.exe 2812 powershell.exe 2812 powershell.exe 3140 powershell.exe 3140 powershell.exe 652 powershell.exe 652 powershell.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 4484 csrss.exe 4484 csrss.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 4484 csrss.exe 4484 csrss.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 4484 csrss.exe 4484 csrss.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe 256 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3560 powershell.exe Token: SeDebugPrivilege 1676 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Token: SeImpersonatePrivilege 1676 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe Token: SeDebugPrivilege 2588 powershell.exe Token: SeDebugPrivilege 1496 powershell.exe Token: SeDebugPrivilege 4940 powershell.exe Token: SeDebugPrivilege 2812 powershell.exe Token: SeDebugPrivilege 3140 powershell.exe Token: SeDebugPrivilege 652 powershell.exe Token: SeSystemEnvironmentPrivilege 4484 csrss.exe Token: SeSecurityPrivilege 2808 sc.exe Token: SeSecurityPrivilege 2808 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1676 wrote to memory of 3560 1676 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 78 PID 1676 wrote to memory of 3560 1676 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 78 PID 1676 wrote to memory of 3560 1676 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 78 PID 4332 wrote to memory of 2588 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 86 PID 4332 wrote to memory of 2588 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 86 PID 4332 wrote to memory of 2588 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 86 PID 4332 wrote to memory of 2988 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 88 PID 4332 wrote to memory of 2988 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 88 PID 2988 wrote to memory of 3236 2988 cmd.exe 90 PID 2988 wrote to memory of 3236 2988 cmd.exe 90 PID 4332 wrote to memory of 1496 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 91 PID 4332 wrote to memory of 1496 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 91 PID 4332 wrote to memory of 1496 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 91 PID 4332 wrote to memory of 4940 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 93 PID 4332 wrote to memory of 4940 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 93 PID 4332 wrote to memory of 4940 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 93 PID 4332 wrote to memory of 4484 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 95 PID 4332 wrote to memory of 4484 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 95 PID 4332 wrote to memory of 4484 4332 731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe 95 PID 4484 wrote to memory of 2812 4484 csrss.exe 96 PID 4484 wrote to memory of 2812 4484 csrss.exe 96 PID 4484 wrote to memory of 2812 4484 csrss.exe 96 PID 4484 wrote to memory of 3140 4484 csrss.exe 102 PID 4484 wrote to memory of 3140 4484 csrss.exe 102 PID 4484 wrote to memory of 3140 4484 csrss.exe 102 PID 4484 wrote to memory of 652 4484 csrss.exe 104 PID 4484 wrote to memory of 652 4484 csrss.exe 104 PID 4484 wrote to memory of 652 4484 csrss.exe 104 PID 4484 wrote to memory of 256 4484 csrss.exe 106 PID 4484 wrote to memory of 256 4484 csrss.exe 106 PID 1624 wrote to memory of 2828 1624 windefender.exe 112 PID 1624 wrote to memory of 2828 1624 windefender.exe 112 PID 1624 wrote to memory of 2828 1624 windefender.exe 112 PID 2828 wrote to memory of 2808 2828 cmd.exe 113 PID 2828 wrote to memory of 2808 2828 cmd.exe 113 PID 2828 wrote to memory of 2808 2828 cmd.exe 113 -
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\731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe"C:\Users\Admin\AppData\Local\Temp\731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3560
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C:\Users\Admin\AppData\Local\Temp\731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.exe"C:\Users\Admin\AppData\Local\Temp\731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c.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:4332 -
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:2588
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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:2988 -
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:3236
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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:1496
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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:4940
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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:4484 -
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:2812
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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:1596
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4376
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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:3140
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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:652
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:256
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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:2840
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1624 -
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:2828 -
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:2808
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 8402⤵
- Program crash
PID:4144
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1676 -ip 16761⤵PID:1444
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:400
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd6e2e8a044e814e17c007e09c78e89b
SHA1f502d29475278ba83fb2e054f6eb9e32fafff73c
SHA256e512e5f4b5bfd55225048cbc7013983a4db49c619fa3c0e24cc5edd09d437f33
SHA5123b11bdfb0f72780ec3fdfe33bb636d43769e1c8347b26744cddf0007e63647d7d10d9bb82dbca9193888485dfcb4e36ac77241603d8503e77a74b589731076a8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b1a524af4d44cc155bdeebcef28fb429
SHA18a924141b45568cc300d0e2155abb1c126f02def
SHA256312d3badf64fac0180d780dd913ac68d82e8d6016436670d15895d20cce30b2a
SHA512134e57d207917e660a1dc0826046a4cf2cbe72ec28766aa90aae62efb72dd2ce4174d37b0344781e118dcdfa2dd2336a361cf14e69e0d59cdefa410b9b07928e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50ba483398e49ab269e65f1ac20c81cda
SHA118e2a576f05746190a2a44029c4c00e6373821dd
SHA2561dff8122da3deffcb7a010f028c62cf6d8212b7e030c255e27210dafddd4de78
SHA51243bb3a22ef3664610cb23065e845eaf8387db8a5f183868a56ad76d4ffaa9439dec526ac4b273ec759f5414962154724adcec9b9bdcd1a2b3de345b3a01e0caa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50ab95e0c38d89edd04802027d5c8b924
SHA1034a5ce53e9b7098aa8c371f1938581efd411c0e
SHA256eb853150fc512f8a4f2719fce14688b23e7c581ae0a72db20b7f9eff970d4b4a
SHA512c5541633a8a9c1cf4da0f24c2182efe28cf7d8edff7a6a3d8784f820f81365228e8364dc2919f7005d17de55a4d16962de1e4651f4cd193377e118a01c5b0fc0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b592b7aea9a59ba8d92e0fdc72edc09
SHA13131f60a176c30468814359363fed38bc1c41f09
SHA2565670b3394a80fa05f899af3067ebdbf8aa809cafe60118d5b3999d2616d77a9b
SHA5125734ff2a796aaffd834ecddc3da17b88c352f081f55cd6a33e053b8d7b3b297b6c49bb884bbf33ee4b791dfaa85c18d1760e9e779b35eee0c9d361df6d40460b
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Filesize
4.1MB
MD59dec7d208a72874bc315d187011582d0
SHA11dcdca46ce57cebe4559d372b28985dcfe77eb92
SHA256731772cc654db6abaf7814228e9966ee40753604bcc7806511268458785b274c
SHA512ef526decc659751ee48e07a9647d431601d17ef75002abff3dda5fbfc9ed6659e01399dc98cb5c91899cc639391c651eb5b4c9ee7d755b3f60609f42516fae20
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec