Analysis
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max time kernel
149s -
max time network
138s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:32
Static task
static1
Behavioral task
behavioral1
Sample
3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe
Resource
win10v2004-20240508-en
General
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Target
3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe
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Size
4.1MB
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MD5
6f4d183e5d1aab790f02bc0295e3d43e
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SHA1
1326ffb83de86687ef30cd8db10c5598be84bee2
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SHA256
3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5
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SHA512
ac935aa0489b23892a7653547888428c583ed116223c3c2cb207a8e30f5f3f0fc671fd58cc8addc5056ccfe41ab7afcd12f1f5def809f3025c4b9c36913e5f20
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SSDEEP
98304:dwBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpg:dwqoWyv4yANjKQa7oi
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/1940-2-0x0000000005080000-0x000000000596B000-memory.dmp family_glupteba behavioral2/memory/1940-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1940-50-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1940-73-0x0000000005080000-0x000000000596B000-memory.dmp family_glupteba behavioral2/memory/1940-120-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5032-119-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/5032-125-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1392-194-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1392-205-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1392-213-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1392-216-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1392-219-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1392-222-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1392-225-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1392-228-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1392-231-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1392-234-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1392-237-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/1392-240-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1444 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1392 csrss.exe 4852 injector.exe 3444 windefender.exe 2604 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa13-204.dat upx behavioral2/memory/3444-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2604-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3444-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2604-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2604-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 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 -
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 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe File created C:\Windows\rss\csrss.exe 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.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 4636 sc.exe -
pid Process 4016 powershell.exe 3744 powershell.exe 4436 powershell.exe 1952 powershell.exe 4000 powershell.exe 3412 powershell.exe 5020 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3772 schtasks.exe 4528 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,-334 = "Jordan Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.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\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.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\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3744 powershell.exe 3744 powershell.exe 1940 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 1940 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 4436 powershell.exe 4436 powershell.exe 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 1952 powershell.exe 1952 powershell.exe 4000 powershell.exe 4000 powershell.exe 3412 powershell.exe 3412 powershell.exe 5020 powershell.exe 5020 powershell.exe 4016 powershell.exe 4016 powershell.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 1392 csrss.exe 1392 csrss.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 1392 csrss.exe 1392 csrss.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 1392 csrss.exe 1392 csrss.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe 4852 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3744 powershell.exe Token: SeDebugPrivilege 1940 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Token: SeImpersonatePrivilege 1940 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe Token: SeDebugPrivilege 4436 powershell.exe Token: SeDebugPrivilege 1952 powershell.exe Token: SeDebugPrivilege 4000 powershell.exe Token: SeDebugPrivilege 3412 powershell.exe Token: SeDebugPrivilege 5020 powershell.exe Token: SeDebugPrivilege 4016 powershell.exe Token: SeSystemEnvironmentPrivilege 1392 csrss.exe Token: SeSecurityPrivilege 4636 sc.exe Token: SeSecurityPrivilege 4636 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1940 wrote to memory of 3744 1940 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 82 PID 1940 wrote to memory of 3744 1940 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 82 PID 1940 wrote to memory of 3744 1940 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 82 PID 5032 wrote to memory of 4436 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 87 PID 5032 wrote to memory of 4436 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 87 PID 5032 wrote to memory of 4436 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 87 PID 5032 wrote to memory of 1016 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 89 PID 5032 wrote to memory of 1016 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 89 PID 1016 wrote to memory of 1444 1016 cmd.exe 91 PID 1016 wrote to memory of 1444 1016 cmd.exe 91 PID 5032 wrote to memory of 1952 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 92 PID 5032 wrote to memory of 1952 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 92 PID 5032 wrote to memory of 1952 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 92 PID 5032 wrote to memory of 4000 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 94 PID 5032 wrote to memory of 4000 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 94 PID 5032 wrote to memory of 4000 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 94 PID 5032 wrote to memory of 1392 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 96 PID 5032 wrote to memory of 1392 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 96 PID 5032 wrote to memory of 1392 5032 3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe 96 PID 1392 wrote to memory of 3412 1392 csrss.exe 97 PID 1392 wrote to memory of 3412 1392 csrss.exe 97 PID 1392 wrote to memory of 3412 1392 csrss.exe 97 PID 1392 wrote to memory of 5020 1392 csrss.exe 102 PID 1392 wrote to memory of 5020 1392 csrss.exe 102 PID 1392 wrote to memory of 5020 1392 csrss.exe 102 PID 1392 wrote to memory of 4016 1392 csrss.exe 105 PID 1392 wrote to memory of 4016 1392 csrss.exe 105 PID 1392 wrote to memory of 4016 1392 csrss.exe 105 PID 1392 wrote to memory of 4852 1392 csrss.exe 107 PID 1392 wrote to memory of 4852 1392 csrss.exe 107 PID 3444 wrote to memory of 3236 3444 windefender.exe 113 PID 3444 wrote to memory of 3236 3444 windefender.exe 113 PID 3444 wrote to memory of 3236 3444 windefender.exe 113 PID 3236 wrote to memory of 4636 3236 cmd.exe 114 PID 3236 wrote to memory of 4636 3236 cmd.exe 114 PID 3236 wrote to memory of 4636 3236 cmd.exe 114 -
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\3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe"C:\Users\Admin\AppData\Local\Temp\3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3744
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C:\Users\Admin\AppData\Local\Temp\3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.exe"C:\Users\Admin\AppData\Local\Temp\3390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5.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:5032 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4436
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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:1016 -
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:1444
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1952
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4000
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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:1392 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3412
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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:3772
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4944
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5020
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4016
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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:4852
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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:4528
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3444 -
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:3236 -
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:4636
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2604
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
MD51c471c8f4a8dc28216b61243e4119c74
SHA1ed4bd0f95ddcf40571158a7d9806ca2f7ab47628
SHA25644980ec5a2628b6125d0dfd00a89cc79fa30a5fd6261ef9b4c47467d3de076f8
SHA512868ed93cfac8580f16e7cad192686b4890657f56e7157ca2d2835b66844c888f8af1fc657af448e6289db957e96a8f17d27e632ea7d30231b2927c2e98be11fa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53483e1f6e0e30f7cce88b408ae8019ce
SHA140cb33a0515192f9feaccb94ad2aa08a6ad9e2e6
SHA2560fe01978959d84b09381ccac4d166dd37517818e4895efab4f2e2ee1bc1238fc
SHA512d1b8a14b5f68e89cc0b4465d9f772e9ede3100063bae651294fafdca866037c0f98e3d682b82a55f2959b66d15e161d7d627675fada3b93483aca0a5cefd494f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD575201c4362dc6ed5321e99f8aff0f520
SHA1413cf94e2b2fcf66afb2650b8668cb26100af316
SHA25659f44f93745da037108f7dbd224345a1cc9aa4a0a464d30137dd7cb9c8f95831
SHA5128ef1db9c93ea70bf07abc57a535636f57d9b0c53d5b6c65f2c98d7e9fb2cc1ecfa051f25fa1d5dd26be114a1a863f3cf97bd2532fcd35fabfca3e73c95a34362
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50084f004e29ff57c3d7e2e0993c9c408
SHA15c86e4c7231f9a972d72b547882a63092dd21ea5
SHA256f6da7f04bf628de968e9a33f53c699115dba181fd834e303eb666297cc49e5a9
SHA512c55f694fe84ffdec003fdaefefdf8b073afca913f420c200c3b036c6ad6711166bf2f8d8b378526fd53eaf81e2f3d8fb7cfd80a31269971a970fb3bd85e5f8b1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d835b8fe58b372c711238e85a25a65d6
SHA18e9c038e12c68571c30f0c804cbae22d99e67cfd
SHA2566c68f4da8d7fabcd4f8044c2e14fcd72b3223d8dcfe40e7dcf84368069b95adf
SHA512e2f39cc566e1ba6b5b3d3a41bea691bc7e40f3500d27f14397600b64bd02a88ee803fbb88418bfc0149a759686d80c66afb9ea542e6df1cb61f9d20bf61cc496
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Filesize
4.1MB
MD56f4d183e5d1aab790f02bc0295e3d43e
SHA11326ffb83de86687ef30cd8db10c5598be84bee2
SHA2563390720191c192801273ec66cf14aa11dbb6f888d3d2387b7b65406fb18064f5
SHA512ac935aa0489b23892a7653547888428c583ed116223c3c2cb207a8e30f5f3f0fc671fd58cc8addc5056ccfe41ab7afcd12f1f5def809f3025c4b9c36913e5f20
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec