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Analysis
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max time kernel
149s -
max time network
146s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/05/2024, 01:43
Static task
static1
Behavioral task
behavioral1
Sample
7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe
Resource
win10v2004-20240426-en
General
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Target
7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe
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Size
4.1MB
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MD5
7389b1039dd4fdc304a75a791aa195ae
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SHA1
17414a5d34a6a79b1da1deb523ea45d4a8577d19
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SHA256
7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3
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SHA512
3c2d1e4ce8cbf849746b5ca561ae913bb60293350e0016a23eb7cee5d8ec50c8ec72f6317fd989bd2950f967cf29310c0f402198275a44ade065732ec7d5cc32
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SSDEEP
98304:aQGLdTw13YmTlGi/xMFRAVNS6wnhY59m5e0z8345A:aLpT0YNaxn5wu5s59Y1
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/2320-2-0x0000000004A10000-0x00000000052FB000-memory.dmp family_glupteba behavioral2/memory/2320-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2320-76-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/2320-97-0x0000000004A10000-0x00000000052FB000-memory.dmp family_glupteba behavioral2/memory/2320-109-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1924-108-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/1924-181-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4648-199-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4648-210-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4648-213-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4648-217-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4648-222-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4648-226-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4648-229-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4648-233-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4648-238-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4648-242-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4648-245-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba behavioral2/memory/4648-249-0x0000000000400000-0x0000000002732000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1412 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4648 csrss.exe 3744 injector.exe 4144 windefender.exe 1920 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f5-203.dat upx behavioral2/memory/4144-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4144-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1920-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1920-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe File created C:\Windows\rss\csrss.exe 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.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 4548 sc.exe -
pid Process 4388 powershell.exe 3808 powershell.exe 568 powershell.exe 1760 powershell.exe 2312 powershell.exe 1400 powershell.exe 5112 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 3096 schtasks.exe 1196 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,-662 = "Cen. Australia Standard Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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,-331 = "E. Europe 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" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1760 powershell.exe 1760 powershell.exe 2320 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 2320 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 2312 powershell.exe 2312 powershell.exe 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 1400 powershell.exe 1400 powershell.exe 5112 powershell.exe 5112 powershell.exe 4388 powershell.exe 4388 powershell.exe 3808 powershell.exe 3808 powershell.exe 568 powershell.exe 568 powershell.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 4648 csrss.exe 3744 injector.exe 4648 csrss.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 4648 csrss.exe 4648 csrss.exe 3744 injector.exe 3744 injector.exe 4648 csrss.exe 4648 csrss.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe 3744 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1760 powershell.exe Token: SeDebugPrivilege 2320 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Token: SeImpersonatePrivilege 2320 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe Token: SeDebugPrivilege 2312 powershell.exe Token: SeDebugPrivilege 1400 powershell.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 3808 powershell.exe Token: SeDebugPrivilege 568 powershell.exe Token: SeSystemEnvironmentPrivilege 4648 csrss.exe Token: SeSecurityPrivilege 4548 sc.exe Token: SeSecurityPrivilege 4548 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2320 wrote to memory of 1760 2320 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 81 PID 2320 wrote to memory of 1760 2320 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 81 PID 2320 wrote to memory of 1760 2320 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 81 PID 1924 wrote to memory of 2312 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 86 PID 1924 wrote to memory of 2312 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 86 PID 1924 wrote to memory of 2312 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 86 PID 1924 wrote to memory of 3052 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 88 PID 1924 wrote to memory of 3052 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 88 PID 3052 wrote to memory of 1412 3052 cmd.exe 90 PID 3052 wrote to memory of 1412 3052 cmd.exe 90 PID 1924 wrote to memory of 1400 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 91 PID 1924 wrote to memory of 1400 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 91 PID 1924 wrote to memory of 1400 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 91 PID 1924 wrote to memory of 5112 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 93 PID 1924 wrote to memory of 5112 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 93 PID 1924 wrote to memory of 5112 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 93 PID 1924 wrote to memory of 4648 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 95 PID 1924 wrote to memory of 4648 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 95 PID 1924 wrote to memory of 4648 1924 7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe 95 PID 4648 wrote to memory of 4388 4648 csrss.exe 96 PID 4648 wrote to memory of 4388 4648 csrss.exe 96 PID 4648 wrote to memory of 4388 4648 csrss.exe 96 PID 4648 wrote to memory of 3808 4648 csrss.exe 101 PID 4648 wrote to memory of 3808 4648 csrss.exe 101 PID 4648 wrote to memory of 3808 4648 csrss.exe 101 PID 4648 wrote to memory of 568 4648 csrss.exe 104 PID 4648 wrote to memory of 568 4648 csrss.exe 104 PID 4648 wrote to memory of 568 4648 csrss.exe 104 PID 4648 wrote to memory of 3744 4648 csrss.exe 106 PID 4648 wrote to memory of 3744 4648 csrss.exe 106 PID 4144 wrote to memory of 4184 4144 windefender.exe 112 PID 4144 wrote to memory of 4184 4144 windefender.exe 112 PID 4144 wrote to memory of 4184 4144 windefender.exe 112 PID 4184 wrote to memory of 4548 4184 cmd.exe 113 PID 4184 wrote to memory of 4548 4184 cmd.exe 113 PID 4184 wrote to memory of 4548 4184 cmd.exe 113 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe"C:\Users\Admin\AppData\Local\Temp\7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2320 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1760
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C:\Users\Admin\AppData\Local\Temp\7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.exe"C:\Users\Admin\AppData\Local\Temp\7d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3.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:1924 -
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:2312
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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:3052 -
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:1412
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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:1400
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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:5112
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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:4648 -
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:4388
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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:3096
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3928
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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:3808
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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:568
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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:3744
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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:1196
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4144 -
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:4184 -
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:4548
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1920
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
MD551f34a849e8553e8a5c47cff27cf0900
SHA16fd360d87462be7cab65ae2f6daceebf9599f94a
SHA25652c3928886e9a482dad20f92c92bec677590516b08db4ef3033fe1e42b3eaa64
SHA5129c764e2d72f27b3f8137c7b7739fdef769f824ead7bed880035e7c0081695a56a758634b5cb4f62861aaaca8024f3f03ab48d4493c7e21df08aa0ede96692541
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fd1f7b68fc9c922856e092f54d73009e
SHA19d4f9cb06eb0f3116aaf05c5b68e4062fdb2938c
SHA256ac75735e06b31cff7a6a7103601fc52891c5255c46eef1760e3e8c367d3b520d
SHA5124dec78f621eac3df8d2b3b2ec3f014bf5e70f3a5b97aa29ef01159683754ef30e18e14e18fd691bf8c38524e427aee2bfec68d3c655327c582c47ffb5771878c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e28afd80a7dfa056e4579cdde27a352
SHA10268af9bb72668569e561f06ca28f39bc6e90928
SHA2569b50bd4f84eb0adffb1faac562c5ef1cffce36eec7cb207cd921e1cae9fbe013
SHA5123b5c03e19125fcdbb1a946d73a885095b1e515b5f46b4023c62d790b613c69251752eb73e626253df083ed1fa7a2e5d2a0900d011518a09f36b44d5873e9746b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59e81c5a71577a8c1ac60d08cc090003f
SHA123e850a2ce7a4f4fb7aa9f9a23f222f8821a04d5
SHA256f9f7527e1aa3c32a6296468eb437162bf0146ace14a03a04dd8b762de796763d
SHA5124d759cf001696dc735c382acf6e08674613f1a4517b7f8330568704f16d443797fe40a60583440305214e3aa27ec0380e70606df3baa2a26894d9f223bfb0361
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD587532150f547b78371993f1dddc42916
SHA1c96a94a3bfc1b206ccde6d19b5f290eea40e0a2a
SHA256613367b72005c93f6f4f0d61cffcbd7964bdc30308f9724b9c0697216f82952d
SHA5127b4fedad19af0b7c437ecbf0f33926346af068d52ec125d1b4a0633daf46055f44e2ff0d88a8b45d2909181590fa61a85835571e319cdcfc50850b5172e5a26c
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Filesize
4.1MB
MD57389b1039dd4fdc304a75a791aa195ae
SHA117414a5d34a6a79b1da1deb523ea45d4a8577d19
SHA2567d96d90b0cdf8c3d62066c404a29c8c3975a321cd1ae12cf56bd9988ae1466d3
SHA5123c2d1e4ce8cbf849746b5ca561ae913bb60293350e0016a23eb7cee5d8ec50c8ec72f6317fd989bd2950f967cf29310c0f402198275a44ade065732ec7d5cc32
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec