Analysis
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max time kernel
150s -
max time network
156s -
platform
windows11-21h2_x64 -
resource
win11-20240319-en -
resource tags
arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system -
submitted
27/03/2024, 16:43
Static task
static1
Behavioral task
behavioral1
Sample
c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe
Resource
win10v2004-20240226-en
General
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Target
c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe
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Size
4.1MB
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MD5
6a59f281ceab4f9f8794bccd1e495a1a
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SHA1
bcfda965eb0032e742695aeb14fa56be020da1fd
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SHA256
c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8
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SHA512
e62f40526ef3b3a9ec9bbbd452f8bbcc9dcf5d35b070837462f741c70b4f6637c0acba5a1e63896cae425241ce5cef6d26e549e6e9b0d8903350689d4b886545
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SSDEEP
98304:w2w6smPz2ESXip8Qe6pOnhP/maq5821Ptw/6vAnaohZ6w:r5qE/8QbGhHmhZ6DtZt
Malware Config
Signatures
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Glupteba payload 23 IoCs
resource yara_rule behavioral2/memory/368-2-0x00000000030E0000-0x00000000039CB000-memory.dmp family_glupteba behavioral2/memory/368-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/368-46-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/368-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/368-52-0x00000000030E0000-0x00000000039CB000-memory.dmp family_glupteba behavioral2/memory/4552-55-0x0000000002FE0000-0x00000000038CB000-memory.dmp family_glupteba behavioral2/memory/4552-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4552-90-0x0000000002BD0000-0x0000000002FD1000-memory.dmp family_glupteba behavioral2/memory/4552-104-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4552-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4552-146-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5588-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5588-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5588-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5588-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5588-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5588-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5588-260-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5588-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5588-265-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5588-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5588-268-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5588-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1344 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5588 csrss.exe 3920 injector.exe 2228 windefender.exe 5952 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7fe-245.dat upx behavioral2/files/0x000200000002a7fe-248.dat upx behavioral2/memory/2228-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5952-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5952-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1233663403-1277323514-675434005-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Set value (str) \REGISTRY\USER\S-1-5-21-1233663403-1277323514-675434005-1000\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 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe File created C:\Windows\rss\csrss.exe c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.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 1744 sc.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 440 schtasks.exe 3216 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.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\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-891 = "Morocco 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" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.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\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight 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" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2144 powershell.exe 2144 powershell.exe 368 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 368 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 6124 powershell.exe 6124 powershell.exe 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 5140 powershell.exe 5140 powershell.exe 1588 powershell.exe 1588 powershell.exe 1544 powershell.exe 1544 powershell.exe 1372 powershell.exe 1372 powershell.exe 3200 powershell.exe 3200 powershell.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 5588 csrss.exe 5588 csrss.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 5588 csrss.exe 5588 csrss.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 5588 csrss.exe 5588 csrss.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe 3920 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2144 powershell.exe Token: SeDebugPrivilege 368 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Token: SeImpersonatePrivilege 368 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe Token: SeDebugPrivilege 6124 powershell.exe Token: SeDebugPrivilege 5140 powershell.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 1544 powershell.exe Token: SeDebugPrivilege 1372 powershell.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeSystemEnvironmentPrivilege 5588 csrss.exe Token: SeSecurityPrivilege 1744 sc.exe Token: SeSecurityPrivilege 1744 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 368 wrote to memory of 2144 368 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 82 PID 368 wrote to memory of 2144 368 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 82 PID 368 wrote to memory of 2144 368 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 82 PID 4552 wrote to memory of 6124 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 87 PID 4552 wrote to memory of 6124 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 87 PID 4552 wrote to memory of 6124 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 87 PID 4552 wrote to memory of 2956 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 89 PID 4552 wrote to memory of 2956 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 89 PID 2956 wrote to memory of 1344 2956 cmd.exe 91 PID 2956 wrote to memory of 1344 2956 cmd.exe 91 PID 4552 wrote to memory of 5140 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 92 PID 4552 wrote to memory of 5140 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 92 PID 4552 wrote to memory of 5140 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 92 PID 4552 wrote to memory of 1588 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 94 PID 4552 wrote to memory of 1588 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 94 PID 4552 wrote to memory of 1588 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 94 PID 4552 wrote to memory of 5588 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 96 PID 4552 wrote to memory of 5588 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 96 PID 4552 wrote to memory of 5588 4552 c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe 96 PID 5588 wrote to memory of 1544 5588 csrss.exe 97 PID 5588 wrote to memory of 1544 5588 csrss.exe 97 PID 5588 wrote to memory of 1544 5588 csrss.exe 97 PID 5588 wrote to memory of 1372 5588 csrss.exe 103 PID 5588 wrote to memory of 1372 5588 csrss.exe 103 PID 5588 wrote to memory of 1372 5588 csrss.exe 103 PID 5588 wrote to memory of 3200 5588 csrss.exe 105 PID 5588 wrote to memory of 3200 5588 csrss.exe 105 PID 5588 wrote to memory of 3200 5588 csrss.exe 105 PID 5588 wrote to memory of 3920 5588 csrss.exe 107 PID 5588 wrote to memory of 3920 5588 csrss.exe 107 PID 2228 wrote to memory of 4288 2228 windefender.exe 113 PID 2228 wrote to memory of 4288 2228 windefender.exe 113 PID 2228 wrote to memory of 4288 2228 windefender.exe 113 PID 4288 wrote to memory of 1744 4288 cmd.exe 114 PID 4288 wrote to memory of 1744 4288 cmd.exe 114 PID 4288 wrote to memory of 1744 4288 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\c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe"C:\Users\Admin\AppData\Local\Temp\c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:368 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2144
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C:\Users\Admin\AppData\Local\Temp\c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.exe"C:\Users\Admin\AppData\Local\Temp\c26150bc56e0549332597afa74e7199e5f5f602dff52f6da76b801bfc2a3cee8.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:4552 -
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:6124
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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:2956 -
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:1344
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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:5140
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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:1588
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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:5588 -
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:1544
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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:3216
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1164
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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:1372
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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:3200
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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:3920
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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:440
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2228 -
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:4288 -
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:1744
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5952
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
MD58e111ee8f6ca39808e4f92399326e699
SHA131569c3c171103dc8879e5021dfb4a6ecc4cb06e
SHA256f5baf01dccd841ebd1d0db9ebaabd6074f4b65c5a7f05f666a0823d720958202
SHA5122b97fef1d70138f03d1eec9add46b73db4fcbe3b9be12e0988ab9812039216c337d76c6b7e97efdfe42ba074619dd9307fbdf29fe561e2cd67878719d7c0f6be
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fceb48c3c12b17111c397fa6e4b0f26f
SHA1cf792f515caf45b345dce4a50bb8a9d0109fb641
SHA256c3d35cd530a5818b744fabcd8ddb38494480ae8a1538e43bd957f55d6846b8df
SHA512e36d7440844cf7314a2a924b5d7c3623bd228278befc36aac1e48f2129cf562a3e66ba36be947b0178b9e2878832d4fc10986b121c6a97f985fc57707e8d5f2d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f206643a8cfc3ff9e3c3a72db221c00
SHA1c0a9a1bc904d9fe63949592775c0b598c7dfc195
SHA2562510f7b8c35a98b5e91106a05fe300475857740511de5334667f6567dd3b21b9
SHA51245793677e63810f693dbb4990346baf358ec1c6036a3e2dbecca51c6f4c2ea59d44e5ab62abadbe64dff4642767273ab33eb145d6504dde05f802b8d63534e8b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD531e185496159399a090b2d13d09446a6
SHA1060be0ca2e34db465f9febb78125077d6d5816e8
SHA256e1f178489bc59382fe546ddbdf7981616a35849787aede97dd822d022494c0eb
SHA512b013567a950a873f4f200ae982d8b4efddfad53a4f08d33bbb06e4b9296194df2fefc154b2f6e3b0794e367bd1ca2d972fc58d3d8a3401792e962e7ea1be707d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ed4f93c793c178f6906762ef7650930
SHA189761d381368077e9cae4ed82d1d8b47de41e72f
SHA256781d945d5eadacd3d40e62cf8188ac3615232214409eb80c8cca3403f08a7d69
SHA512c58dd5c6edce53ff41914efe9c36637b2ec53240ca6c06ee6e0f45135282610dda7cb6fbb2e0c236100dddd1efe99b6f3c024a17d9fa4d6f92112aa2eb80f49a
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Filesize
431KB
MD5a6f0ca30d4350c7eba600904c63b68e9
SHA108622e934f0834423a3998bc44819841a3bd377b
SHA256614a13cce3c1ca35c8cfbfd91a6d04b7458e832cc57b0bc2ef11213fe1f1715f
SHA512302c1ce14f9116624f1ff0e5fce4ab90ded3f0f45e26081132eb6fb10a88231506645f6dd25c6af9809c6f76a279b2133f4039b07a8147fac4bb9132cf261b23
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Filesize
542KB
MD526ee8d120c6c6c02628aa45bcb7935e2
SHA1ef635f7564300150bcb6a00c0ea573028e69dad8
SHA256fa6f168c2d27f2649fb73e965e87f36270f268078154100be3150355166a9f60
SHA512545ecdadbb3d80bb8ed384f500b06de47e6dacc882071d3698b3a56ae39242003344f69901816c9682c0422cdefae7b4f8f8038604d76d7a88dcec72a16d1b17
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
1.2MB
MD5e15c2c17045ff1426466e75c3054e30b
SHA1bb1d9dd9ad05b6b0985f43cbee15a6db8740bda2
SHA2561587d928e666537c2e8b67f187efa9a170458cf78c890c88c5b61ae33bb47fab
SHA512ece4c94a0fe43fc65168b7d1e43c67a6a3a6915c04b1c6044a46cfa0baba64a162ed6fe1a9de496518c89953d0add438ba4038ec73cf008f5ed02f10dba18fce