Analysis
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max time kernel
149s -
max time network
134s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 19:53
Static task
static1
Behavioral task
behavioral1
Sample
cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe
Resource
win10v2004-20240508-en
General
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Target
cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe
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Size
4.1MB
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MD5
798fe23af2b1e0d2ba98f6b1d4dbba2f
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SHA1
953c71bd1e953cfbbe18d4e9c7631965552609d1
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SHA256
cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881
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SHA512
1fe13cd04ae5ab8f0b6110f16610f07eede0a3ae28bd3490834b85d9c043721d513b12ac0ec199742dbb8d5d3737a0a9f1841396729ed85de2974a2cb91a0403
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SSDEEP
49152:lKSHQE6bCrQt9J2m6qYk0f+BzgqdGFArOOO8EeNSlBbqHPgo81vjAIlxiZQJwt:l1wCr5kG+hEArjFEeNSldQg15xmht
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2492-2-0x0000000004E90000-0x000000000577B000-memory.dmp family_glupteba behavioral2/memory/2492-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2492-44-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2492-45-0x0000000004E90000-0x000000000577B000-memory.dmp family_glupteba behavioral2/memory/2492-42-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2144-109-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/2144-122-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-196-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-202-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-212-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-214-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-216-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-218-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-220-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-222-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-224-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-230-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral2/memory/1340-232-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3592 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1340 csrss.exe 4160 injector.exe 1428 windefender.exe 2372 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa16-205.dat upx behavioral2/memory/1428-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2372-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1428-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2372-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2372-217-0x0000000000400000-0x00000000008DF000-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\"" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.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 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe File created C:\Windows\rss\csrss.exe cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.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 2032 sc.exe -
pid Process 3200 powershell.exe 4500 powershell.exe 1432 powershell.exe 1632 powershell.exe 4700 powershell.exe 2764 powershell.exe 2448 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 8 2764 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 688 schtasks.exe 4068 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,-2321 = "Sakhalin Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard 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" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.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\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2764 powershell.exe 2764 powershell.exe 2492 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 2492 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 2448 powershell.exe 2448 powershell.exe 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 3200 powershell.exe 3200 powershell.exe 4500 powershell.exe 4500 powershell.exe 1432 powershell.exe 1432 powershell.exe 1632 powershell.exe 1632 powershell.exe 4700 powershell.exe 4700 powershell.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 1340 csrss.exe 1340 csrss.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 1340 csrss.exe 1340 csrss.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 1340 csrss.exe 1340 csrss.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe 4160 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2764 powershell.exe Token: SeDebugPrivilege 2492 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Token: SeImpersonatePrivilege 2492 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe Token: SeDebugPrivilege 2448 powershell.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 4500 powershell.exe Token: SeDebugPrivilege 1432 powershell.exe Token: SeDebugPrivilege 1632 powershell.exe Token: SeDebugPrivilege 4700 powershell.exe Token: SeSystemEnvironmentPrivilege 1340 csrss.exe Token: SeSecurityPrivilege 2032 sc.exe Token: SeSecurityPrivilege 2032 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2492 wrote to memory of 2764 2492 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 82 PID 2492 wrote to memory of 2764 2492 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 82 PID 2492 wrote to memory of 2764 2492 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 82 PID 2144 wrote to memory of 2448 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 90 PID 2144 wrote to memory of 2448 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 90 PID 2144 wrote to memory of 2448 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 90 PID 2144 wrote to memory of 1512 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 92 PID 2144 wrote to memory of 1512 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 92 PID 1512 wrote to memory of 3592 1512 cmd.exe 94 PID 1512 wrote to memory of 3592 1512 cmd.exe 94 PID 2144 wrote to memory of 3200 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 95 PID 2144 wrote to memory of 3200 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 95 PID 2144 wrote to memory of 3200 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 95 PID 2144 wrote to memory of 4500 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 97 PID 2144 wrote to memory of 4500 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 97 PID 2144 wrote to memory of 4500 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 97 PID 2144 wrote to memory of 1340 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 99 PID 2144 wrote to memory of 1340 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 99 PID 2144 wrote to memory of 1340 2144 cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe 99 PID 1340 wrote to memory of 1432 1340 csrss.exe 100 PID 1340 wrote to memory of 1432 1340 csrss.exe 100 PID 1340 wrote to memory of 1432 1340 csrss.exe 100 PID 1340 wrote to memory of 1632 1340 csrss.exe 106 PID 1340 wrote to memory of 1632 1340 csrss.exe 106 PID 1340 wrote to memory of 1632 1340 csrss.exe 106 PID 1340 wrote to memory of 4700 1340 csrss.exe 108 PID 1340 wrote to memory of 4700 1340 csrss.exe 108 PID 1340 wrote to memory of 4700 1340 csrss.exe 108 PID 1340 wrote to memory of 4160 1340 csrss.exe 110 PID 1340 wrote to memory of 4160 1340 csrss.exe 110 PID 1428 wrote to memory of 716 1428 windefender.exe 116 PID 1428 wrote to memory of 716 1428 windefender.exe 116 PID 1428 wrote to memory of 716 1428 windefender.exe 116 PID 716 wrote to memory of 2032 716 cmd.exe 117 PID 716 wrote to memory of 2032 716 cmd.exe 117 PID 716 wrote to memory of 2032 716 cmd.exe 117 -
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\cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe"C:\Users\Admin\AppData\Local\Temp\cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2764 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2764 -s 25363⤵
- Program crash
PID:8
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C:\Users\Admin\AppData\Local\Temp\cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.exe"C:\Users\Admin\AppData\Local\Temp\cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881.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:2144 -
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:2448
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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:1512 -
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:3592
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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:3200
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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:4500
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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:1340 -
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:1432
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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:688
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2364
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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:1632
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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:4700
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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:4160
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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:4068
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1428 -
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:716 -
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:2032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2764 -ip 27641⤵PID:1208
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2372
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
MD5475db52707c0060528154157438aab6c
SHA19ba7e966142a35197633d9591814f534bcd6bb6c
SHA256783a0c1c6de13b6ac6f20828c880918f12c9ef693f7d77437639f74d7fa38cae
SHA512f8cf0c7792b5092a0c1f054a5eb06ed800c217b117207322ce626106163e08ededcafe5da304e7c1bd4271ecf727ca2868952e8f17c353682d31ca3673d026bf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52c6751a0c9d8f1d6c76d99812a3a2c16
SHA1f637fcf30eff3d542b877db844d527ea8cd3737c
SHA256f78a17845149f01da40d90156068d25871ed1a6b2532a7cfcb0c5e91c1919235
SHA512d59a931e273f3f40e0d4c5bb882b9877863bdaa3475a9fe794daa0ff3f44286830e3ca84a80b35f71bdb1727c83e8c4e683e59d100e5d8e46b5b57508facf579
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c5f2e4bb11f44af168d363d6e9cd79e
SHA1fb3b748d092b6ec272648c35a219aff90c4355b3
SHA25693a2406360c5030af040dccdab38c49c405ae1040ef1ba62e2050045037ba66e
SHA5127798da6183a769578fa329818efc202f23848cda4f5ad97b80aec078916d7b8137bb014872aa0b783a8696fb38f62d35ff1ed7cf1eeb3bbac2392b1a8c08bb93
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD545ce9b7bcfb3a7a2ba3343018c489f3b
SHA1a279510326bb131da5f997986be63a576fcfd1e6
SHA256cf6f33e82a7d1db4fee8bd18c9b15b56be1c0ad30b50d4a50ea0087036b03c5b
SHA5120c209c7584ade16759552551cac43c80bb679c1988d35e71c4dd512c583ac73b42184d22f6699ba2805ce8412beba440d92400c40c3657d03f25372a89cc55ce
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD535e3f247ae3cc46285b077494a730c23
SHA112ff2f82f2913b7a1d935476849c011d2e50a1cf
SHA25648b361b1141292b6182031414b6e533d4c6fd9d88cc626ffaf35ca77efc86a3d
SHA512f76dd1cb801ba9e8181450b0101f9aa53ef23a080062388ef70d8a56a3c0677b2f163ccd0b0f8f18279de5af4c7b6df2b95a39a8a33a15a7e24824d34f1e5544
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Filesize
4.1MB
MD5798fe23af2b1e0d2ba98f6b1d4dbba2f
SHA1953c71bd1e953cfbbe18d4e9c7631965552609d1
SHA256cd1d70f267fb944e4d8500b7fb6183d5b5c9b7c8f389f263a5ee30703d546881
SHA5121fe13cd04ae5ab8f0b6110f16610f07eede0a3ae28bd3490834b85d9c043721d513b12ac0ec199742dbb8d5d3737a0a9f1841396729ed85de2974a2cb91a0403
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec