Analysis
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max time kernel
150s -
max time network
161s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
09-04-2024 12:31
Static task
static1
Behavioral task
behavioral1
Sample
7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe
Resource
win10v2004-20240226-en
General
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Target
7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe
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Size
4.2MB
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MD5
846ba8269bad232dad9cb17d98feeced
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SHA1
f053254d376cfa4e1b76215166e9cacaf197dd50
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SHA256
7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43
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SHA512
21b736f46f699125dcc06605608c191b7d4839b5dca9d59f297d00c697835ea37051d97a89c9f80bc64069b28875d4d103c9ff777ea5adc516d369ce1cc5041e
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SSDEEP
98304:omtiNzPVwyLO/HVYkv9A1OHsITcH3KDiSAS3:omtO+ya/HVF08DTcXs
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1540-2-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/1540-3-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/1540-47-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/1540-53-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/1540-56-0x0000000005360000-0x0000000005C4B000-memory.dmp family_glupteba behavioral2/memory/2240-57-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2240-84-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2240-102-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2240-115-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2240-149-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2716-215-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2716-247-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2716-256-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2716-258-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2716-260-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2716-262-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2716-264-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2716-266-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2716-268-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba behavioral2/memory/2716-270-0x0000000000400000-0x0000000003105000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3144 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2716 csrss.exe 4016 injector.exe 1668 windefender.exe 2160 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a807-250.dat upx behavioral2/memory/1668-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2160-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2160-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Set value (str) \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\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 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe File created C:\Windows\rss\csrss.exe 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.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 2164 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4764 1540 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4292 schtasks.exe 3440 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\22\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.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\22\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1836 powershell.exe 1836 powershell.exe 1540 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 1540 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 1748 powershell.exe 1748 powershell.exe 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 1084 powershell.exe 1084 powershell.exe 1040 powershell.exe 1040 powershell.exe 4172 powershell.exe 4172 powershell.exe 816 powershell.exe 816 powershell.exe 2816 powershell.exe 2816 powershell.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 2716 csrss.exe 4016 injector.exe 2716 csrss.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 2716 csrss.exe 2716 csrss.exe 4016 injector.exe 4016 injector.exe 2716 csrss.exe 2716 csrss.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe 4016 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1836 powershell.exe Token: SeDebugPrivilege 1540 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Token: SeImpersonatePrivilege 1540 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe Token: SeDebugPrivilege 1748 powershell.exe Token: SeDebugPrivilege 1084 powershell.exe Token: SeDebugPrivilege 1040 powershell.exe Token: SeDebugPrivilege 4172 powershell.exe Token: SeDebugPrivilege 816 powershell.exe Token: SeDebugPrivilege 2816 powershell.exe Token: SeSystemEnvironmentPrivilege 2716 csrss.exe Token: SeSecurityPrivilege 2164 sc.exe Token: SeSecurityPrivilege 2164 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1540 wrote to memory of 1836 1540 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 81 PID 1540 wrote to memory of 1836 1540 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 81 PID 1540 wrote to memory of 1836 1540 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 81 PID 2240 wrote to memory of 1748 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 89 PID 2240 wrote to memory of 1748 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 89 PID 2240 wrote to memory of 1748 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 89 PID 2240 wrote to memory of 2712 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 91 PID 2240 wrote to memory of 2712 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 91 PID 2712 wrote to memory of 3144 2712 cmd.exe 93 PID 2712 wrote to memory of 3144 2712 cmd.exe 93 PID 2240 wrote to memory of 1084 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 94 PID 2240 wrote to memory of 1084 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 94 PID 2240 wrote to memory of 1084 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 94 PID 2240 wrote to memory of 1040 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 96 PID 2240 wrote to memory of 1040 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 96 PID 2240 wrote to memory of 1040 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 96 PID 2240 wrote to memory of 2716 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 98 PID 2240 wrote to memory of 2716 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 98 PID 2240 wrote to memory of 2716 2240 7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe 98 PID 2716 wrote to memory of 4172 2716 csrss.exe 99 PID 2716 wrote to memory of 4172 2716 csrss.exe 99 PID 2716 wrote to memory of 4172 2716 csrss.exe 99 PID 2716 wrote to memory of 816 2716 csrss.exe 104 PID 2716 wrote to memory of 816 2716 csrss.exe 104 PID 2716 wrote to memory of 816 2716 csrss.exe 104 PID 2716 wrote to memory of 2816 2716 csrss.exe 107 PID 2716 wrote to memory of 2816 2716 csrss.exe 107 PID 2716 wrote to memory of 2816 2716 csrss.exe 107 PID 2716 wrote to memory of 4016 2716 csrss.exe 109 PID 2716 wrote to memory of 4016 2716 csrss.exe 109 PID 1668 wrote to memory of 4228 1668 windefender.exe 115 PID 1668 wrote to memory of 4228 1668 windefender.exe 115 PID 1668 wrote to memory of 4228 1668 windefender.exe 115 PID 4228 wrote to memory of 2164 4228 cmd.exe 116 PID 4228 wrote to memory of 2164 4228 cmd.exe 116 PID 4228 wrote to memory of 2164 4228 cmd.exe 116 -
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\7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe"C:\Users\Admin\AppData\Local\Temp\7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1836
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C:\Users\Admin\AppData\Local\Temp\7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.exe"C:\Users\Admin\AppData\Local\Temp\7b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43.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:2240 -
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:1748
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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:2712 -
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:3144
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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:1084
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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:1040
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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:2716 -
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:4172
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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:4292
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4176
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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:816
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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:2816
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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:4016
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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:3440
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1668 -
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:4228 -
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:2164
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 9842⤵
- Program crash
PID:4764
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1540 -ip 15401⤵PID:3008
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2160
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
MD57dd49fd7e316344dae841f1890ad892b
SHA14da9215b9347130793e8fb49b6040ce87593ef5e
SHA2563c42db0dd02bb2bfc8096ca490fa608a138822b6913d849672ded85de8dfd32d
SHA512ad8a334b541de3b947e69279b0775b05371f23dd71df9109715f1a4c0488d57c0dbc4ce13e515f3eb85673161f4b797926a83b2203218b35e1c8f80be2dae52b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50bb575eed4c5ea676682ec66889d2acc
SHA1befb29dcbd0dd0964a63ec367847cf371654e3d9
SHA2566b71c949516a55c5cdd69721bdb3d69660f8a885ef6e21acaeac5e1661300b21
SHA512d4efbc978a5ece11191da492e71a25296a9395bfc8d8dcae38826bbb7f0897e42e630536a6ae0bed1520f6200e3a7d83bd841b7226841efdf59b3cf61f49d8bc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD584a640c3fc5c23d1a6dc4759550ff475
SHA14f5d180e3dc7fb2e37ecc83c26f3c35e9a3302cf
SHA256b1d10c8cd67bff83d677f4ad5b340a78e3c910e32ff952bd1b63aa42e5d3608f
SHA512e50c207e49e70ecae7b15f07abdaff7185f5537a8d65056c500603b8e725ad3ea32ffe749d5cf27b4e4f1214f2842e2930387ca8e7259b065efbd6ced6114bd8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f852e14dbd910cc7d46cb38c3271b2b
SHA160414a34e09db79c6558b00b7a0f95a5b79b32f1
SHA2562fd926bc06cc55f302692eaf10bae146f808a2283e75bcf6d8edf9a571bce7e9
SHA5129c3b6299977f1fb7a5621fdd63a32900324b5252275983cfde75f56a8737060f89505e83f45320ad9bcb1a7f63f0ccd417770c74fc39c672c2698e32395dac81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5de3e45ea12b14016288deed8e55a39eb
SHA1b1cf337887245d9029447bb4913274284198da34
SHA256a35e83c70dafac8397f8c8dee771e40708c86160ed4a80dab8e84de030f1f18e
SHA512513ddda8f9afa7e615fbe2ca2cbac581a4e5abb68d3128ab8f1d442bcf4cad82f5242a79d1b44403675466732d7812bb849848f5623319c1ed5d4917dc50a5ea
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Filesize
4.2MB
MD5846ba8269bad232dad9cb17d98feeced
SHA1f053254d376cfa4e1b76215166e9cacaf197dd50
SHA2567b17344b46008011d96474a14d3f26699f120d7d01a2ec9569bf7803e40bec43
SHA51221b736f46f699125dcc06605608c191b7d4839b5dca9d59f297d00c697835ea37051d97a89c9f80bc64069b28875d4d103c9ff777ea5adc516d369ce1cc5041e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec