Analysis
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max time kernel
149s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 19:29
Static task
static1
Behavioral task
behavioral1
Sample
3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe
Resource
win10v2004-20240412-en
General
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Target
3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe
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Size
4.2MB
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MD5
7a2dc660663cb5e5a7be7c9f54a75d32
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SHA1
371a1a0323d026fe98f4e137c77e6ddd36aae7be
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SHA256
3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d
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SHA512
de9b61dbb88bd841b3f660162142990ec732d5de339118be76bb170e992e39425744e31a313563ee0adbc0dc39483d96e8977ea33b5ab703ea52379a3f2d697b
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SSDEEP
98304:rtwUIgr6Tu/hivXD0fl0IvZVjhgp1+mYFjvUcmYnimsjZaHeg:5w6rquKXDtU1Y2GYniVjUHF
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/1120-2-0x00000000040B0000-0x000000000499B000-memory.dmp family_glupteba behavioral2/memory/1120-3-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1120-51-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/840-53-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/1120-54-0x00000000040B0000-0x000000000499B000-memory.dmp family_glupteba behavioral2/memory/840-112-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/840-223-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-244-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-254-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-257-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-260-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-263-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-266-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-269-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-271-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-275-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-278-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-281-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-284-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba behavioral2/memory/4628-287-0x0000000000400000-0x0000000001E08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3684 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4628 csrss.exe 1868 injector.exe 2268 windefender.exe 2744 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9c4-248.dat upx behavioral2/memory/2268-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2744-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2744-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\S-1-5-21-834482027-582050234-2368284635-1000\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\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 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 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe File created C:\Windows\rss\csrss.exe 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.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 3620 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3320 1120 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1536 schtasks.exe 4688 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "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\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4848 powershell.exe 4848 powershell.exe 1120 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 1120 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 964 powershell.exe 964 powershell.exe 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 1072 powershell.exe 1072 powershell.exe 2792 powershell.exe 2792 powershell.exe 1556 powershell.exe 1556 powershell.exe 232 powershell.exe 232 powershell.exe 2288 powershell.exe 2288 powershell.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 4628 csrss.exe 4628 csrss.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 4628 csrss.exe 4628 csrss.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 4628 csrss.exe 4628 csrss.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe 1868 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4848 powershell.exe Token: SeDebugPrivilege 1120 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Token: SeImpersonatePrivilege 1120 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe Token: SeDebugPrivilege 964 powershell.exe Token: SeDebugPrivilege 1072 powershell.exe Token: SeDebugPrivilege 2792 powershell.exe Token: SeDebugPrivilege 1556 powershell.exe Token: SeDebugPrivilege 232 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeSystemEnvironmentPrivilege 4628 csrss.exe Token: SeSecurityPrivilege 3620 sc.exe Token: SeSecurityPrivilege 3620 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1120 wrote to memory of 4848 1120 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 82 PID 1120 wrote to memory of 4848 1120 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 82 PID 1120 wrote to memory of 4848 1120 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 82 PID 840 wrote to memory of 964 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 91 PID 840 wrote to memory of 964 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 91 PID 840 wrote to memory of 964 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 91 PID 840 wrote to memory of 3988 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 93 PID 840 wrote to memory of 3988 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 93 PID 3988 wrote to memory of 3684 3988 cmd.exe 95 PID 3988 wrote to memory of 3684 3988 cmd.exe 95 PID 840 wrote to memory of 1072 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 96 PID 840 wrote to memory of 1072 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 96 PID 840 wrote to memory of 1072 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 96 PID 840 wrote to memory of 2792 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 98 PID 840 wrote to memory of 2792 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 98 PID 840 wrote to memory of 2792 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 98 PID 840 wrote to memory of 4628 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 100 PID 840 wrote to memory of 4628 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 100 PID 840 wrote to memory of 4628 840 3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe 100 PID 4628 wrote to memory of 1556 4628 csrss.exe 101 PID 4628 wrote to memory of 1556 4628 csrss.exe 101 PID 4628 wrote to memory of 1556 4628 csrss.exe 101 PID 4628 wrote to memory of 232 4628 csrss.exe 106 PID 4628 wrote to memory of 232 4628 csrss.exe 106 PID 4628 wrote to memory of 232 4628 csrss.exe 106 PID 4628 wrote to memory of 2288 4628 csrss.exe 109 PID 4628 wrote to memory of 2288 4628 csrss.exe 109 PID 4628 wrote to memory of 2288 4628 csrss.exe 109 PID 4628 wrote to memory of 1868 4628 csrss.exe 111 PID 4628 wrote to memory of 1868 4628 csrss.exe 111 PID 2268 wrote to memory of 3644 2268 windefender.exe 117 PID 2268 wrote to memory of 3644 2268 windefender.exe 117 PID 2268 wrote to memory of 3644 2268 windefender.exe 117 PID 3644 wrote to memory of 3620 3644 cmd.exe 118 PID 3644 wrote to memory of 3620 3644 cmd.exe 118 PID 3644 wrote to memory of 3620 3644 cmd.exe 118 -
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\3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe"C:\Users\Admin\AppData\Local\Temp\3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4848
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C:\Users\Admin\AppData\Local\Temp\3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.exe"C:\Users\Admin\AppData\Local\Temp\3627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d.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:840 -
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:964
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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:3988 -
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:3684
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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:1072
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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:2792
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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:4628 -
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:1556
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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:1536
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1988
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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:232
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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:2288
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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:1868
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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:4688
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2268 -
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:3644 -
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:3620
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 9642⤵
- Program crash
PID:3320
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1120 -ip 11201⤵PID:3820
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2744
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
MD55d715aa3da5312cf542fc9fb3ad6e243
SHA17de19d7027fddb4cf4ffd09e7b2877dd5960fc32
SHA256f33a63ded87eb133d1e2f50e4e9e8509e0d5205f8a36e00ad84c162d8f1c6398
SHA512ec38c565d87147846475b9b428fa9ad2582c870c124e5813d3f44614fd85477e867776d943aaa09602d2dc2dfa140ca387bdce3ab91d6a5458fcdf5e62428b2a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57bfc5f7900ef5f5b2bc5199283b352fa
SHA1fb1798819f221cad72ef483134617807d8df5134
SHA256aaef208192cb4c2bfe440eb1abb3aeb8c577f7d69035c2b142813a6d0ff578cb
SHA512d80393dede0f1188bb294e018339834d7365e16a7487a857555c15b208883888b678592f55921d3cf15e62f0b3d34a62590a152b4d7801d85725c38e2b0e1f2c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fe11f23cce5598e8c9b89faa26bd9e14
SHA1522db5f09e05f51d3152e392a4e48236f32466e7
SHA2560eb6bd66ac5d0eb0d3e3989a50258789c71ca9f754c7b9de46a9a26cfb9a35ea
SHA512bd9e2dac0d1f251b1301d5ec729942fa7b71bf2c7e3aa3059db5e0f511a8f66aa54826fd4e7e1933a2d5ff55545b154470a0b4df719b38e982d2cf6d8e7746e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD573f1010fdd9a6fe8cd7ae592fb19d98e
SHA1c2bef73ad84395a8e919cfb4de7de66b3206f301
SHA25622c982e696710aaaacbbca5f50decf87128a8b30786eef4297b6c7f3b9fa209f
SHA512b0491e8cda4c90e436f443ad2bf206a52a21f2c3889603b64e72fe7059e04192bccb88cdfdc2f6cac4c7c2ad5a8dbdf7ffd36eeb3e981da57bf685034ce8baf9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58dc04544d4d7460f70936d385ea3d82e
SHA196519ae4fc8c5817313fd4806d6fd2d52e0fd29a
SHA256258c07bd02e482230b0c508b52650c344ac74e5d1e63700f3e0355d680906ffe
SHA5121870909c10e0ed431f86e12a83d2f00d43b87005459a7c19fff4d5d5c3029639692be6caf8c991f485e1db0582d482a6d73221963a3be034e4bad4202bff14eb
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Filesize
4.2MB
MD57a2dc660663cb5e5a7be7c9f54a75d32
SHA1371a1a0323d026fe98f4e137c77e6ddd36aae7be
SHA2563627166bec1e4d4a2064fbcc7f64d3356adf63e67083361af225a7332f3e2f4d
SHA512de9b61dbb88bd841b3f660162142990ec732d5de339118be76bb170e992e39425744e31a313563ee0adbc0dc39483d96e8977ea33b5ab703ea52379a3f2d697b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec