Analysis
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max time kernel
155s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 15:40
Static task
static1
Behavioral task
behavioral1
Sample
ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe
Resource
win10v2004-20240226-en
General
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Target
ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe
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Size
4.2MB
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MD5
5594fdcad21298194594303f3b63b781
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SHA1
b57e7386916ccace46943bd8bbd6b6eedd964538
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SHA256
ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9
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SHA512
ec620d40e651b81a3586b571b6189e1587c701d4d8e799bcc903983fd33b5f53190b51f69e735e69be13f788743bd37e934f4fe809227533d9efa34536b1e4fb
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SSDEEP
98304:uz7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU7d:k7NcfZtQ9LJEd3aOYT+d
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/1368-2-0x00000000052C0000-0x0000000005BAB000-memory.dmp family_glupteba behavioral1/memory/1368-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1368-4-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1368-9-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1368-26-0x00000000052C0000-0x0000000005BAB000-memory.dmp family_glupteba behavioral1/memory/1368-51-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5096-63-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1368-64-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5096-78-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5096-101-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5096-165-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3284-198-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3284-267-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3284-273-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3284-280-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3284-283-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/3284-286-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4140 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3284 csrss.exe 3776 injector.exe 4784 windefender.exe 3192 windefender.exe -
resource yara_rule behavioral1/files/0x000400000000073d-271.dat upx behavioral1/memory/4784-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3192-281-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3192-287-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe File created C:\Windows\rss\csrss.exe ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.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 3532 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3612 schtasks.exe 1076 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.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\22\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2872 powershell.exe 2872 powershell.exe 2872 powershell.exe 1368 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 1368 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 3004 powershell.exe 3004 powershell.exe 3004 powershell.exe 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 4876 powershell.exe 4876 powershell.exe 4876 powershell.exe 4412 powershell.exe 4412 powershell.exe 4412 powershell.exe 2300 powershell.exe 2300 powershell.exe 2300 powershell.exe 5012 powershell.exe 5012 powershell.exe 5012 powershell.exe 3352 powershell.exe 3352 powershell.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3284 csrss.exe 3284 csrss.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3284 csrss.exe 3284 csrss.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3284 csrss.exe 3284 csrss.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe 3776 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2872 powershell.exe Token: SeDebugPrivilege 1368 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Token: SeImpersonatePrivilege 1368 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe Token: SeDebugPrivilege 3004 powershell.exe Token: SeDebugPrivilege 4876 powershell.exe Token: SeDebugPrivilege 4412 powershell.exe Token: SeDebugPrivilege 2300 powershell.exe Token: SeDebugPrivilege 5012 powershell.exe Token: SeDebugPrivilege 3352 powershell.exe Token: SeSystemEnvironmentPrivilege 3284 csrss.exe Token: SeSecurityPrivilege 3532 sc.exe Token: SeSecurityPrivilege 3532 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1368 wrote to memory of 2872 1368 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 91 PID 1368 wrote to memory of 2872 1368 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 91 PID 1368 wrote to memory of 2872 1368 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 91 PID 5096 wrote to memory of 3004 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 103 PID 5096 wrote to memory of 3004 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 103 PID 5096 wrote to memory of 3004 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 103 PID 5096 wrote to memory of 4816 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 105 PID 5096 wrote to memory of 4816 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 105 PID 4816 wrote to memory of 4140 4816 cmd.exe 107 PID 4816 wrote to memory of 4140 4816 cmd.exe 107 PID 5096 wrote to memory of 4876 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 108 PID 5096 wrote to memory of 4876 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 108 PID 5096 wrote to memory of 4876 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 108 PID 5096 wrote to memory of 4412 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 110 PID 5096 wrote to memory of 4412 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 110 PID 5096 wrote to memory of 4412 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 110 PID 5096 wrote to memory of 3284 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 112 PID 5096 wrote to memory of 3284 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 112 PID 5096 wrote to memory of 3284 5096 ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe 112 PID 3284 wrote to memory of 2300 3284 csrss.exe 113 PID 3284 wrote to memory of 2300 3284 csrss.exe 113 PID 3284 wrote to memory of 2300 3284 csrss.exe 113 PID 3284 wrote to memory of 5012 3284 csrss.exe 118 PID 3284 wrote to memory of 5012 3284 csrss.exe 118 PID 3284 wrote to memory of 5012 3284 csrss.exe 118 PID 3284 wrote to memory of 3352 3284 csrss.exe 121 PID 3284 wrote to memory of 3352 3284 csrss.exe 121 PID 3284 wrote to memory of 3352 3284 csrss.exe 121 PID 3284 wrote to memory of 3776 3284 csrss.exe 123 PID 3284 wrote to memory of 3776 3284 csrss.exe 123 PID 4784 wrote to memory of 1136 4784 windefender.exe 129 PID 4784 wrote to memory of 1136 4784 windefender.exe 129 PID 4784 wrote to memory of 1136 4784 windefender.exe 129 PID 1136 wrote to memory of 3532 1136 cmd.exe 130 PID 1136 wrote to memory of 3532 1136 cmd.exe 130 PID 1136 wrote to memory of 3532 1136 cmd.exe 130 -
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\ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe"C:\Users\Admin\AppData\Local\Temp\ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2872
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C:\Users\Admin\AppData\Local\Temp\ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.exe"C:\Users\Admin\AppData\Local\Temp\ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9.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:5096 -
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:3004
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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:4816 -
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:4140
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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:4876
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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:4412
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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:3284 -
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:2300
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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:3612
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3956
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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:5012
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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:3352
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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:3776
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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:1076
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4784 -
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:1136 -
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:3532
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4056 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:81⤵PID:3928
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3192
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b3806b288c92b79e3aa6914f34f537d1
SHA10cb6f42b64a81cf889a371a74d235b4b7d6eca50
SHA2566d3c3686ca5d3160941b5156244d25c2bf93956a25f97e8979277c827d7b0230
SHA51222d0ddffc90fe6ba59e0bc53b983adecb1d8f698dd8d0fc0993e38a08410ca58132596fc22cca2cd0777d0ab765ff83284937760a53508c0bb28c7765bf0caf1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc82baa60df1c22a792808bcaac8d4eb
SHA142305af25d2d424b85e1902497bf9f1a4cdb04e1
SHA25618a6cd06b1c13e77c7b3f9c0ded086c85eb55dbd21d812c2c57f37ee0c1f5767
SHA5126b91cf041799227966c151bbdf5e72c80e7f80ab99931ba5e93f51adb4093093ca952da3c60b0ca83096161591b884d31b5c7d1a1ea4ad5223501505205619db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d32af4651bbb91d55de2ee7a49928b28
SHA173cb4a2fb143ce083cc9e689651783c5e62641b5
SHA256b7912dba215ad843eb98bbb837838610cdbced1e17c7b96d7098871da225cea1
SHA512c1e9971e97f815ff8ad510973132c0778daf4a5ef0a628a1c9cb7f4afdf9557d01d77b3e48dc36682ceafbbe701514415bec3ca075759145188a720469f6b443
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e28169a314f7ec10f5081023922a7f3c
SHA1938cfd636e52b7b426936b3a88f9ac3aa4874e89
SHA256a281f73175222e2531d83698fce66b63d113586c1a15709dc0379cec7ffd4c25
SHA5120b8daed6aaf2a575d63ec285e20a9c78f1427374767e9cd8bbb793ba6c292002f35cff99bd7106eb0f9b95da321917245450bdfa3f0ce8399c4ef5c35819277f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551e63a06c624e87f7968af167dae2b5f
SHA1ba2369a6b23dde98400a8e09400db96946229a5f
SHA256d9691afec42d11ed865030747a734bd25bad7298cdd4bc9152b23d037978ff8e
SHA51248ad6875cf9bb5c0c2467d81de300838d7c90186bc70e450f124e5443edd5d663adab32ed71abc6d06d981c51d85049a4265dcd546f529d9f4f4c7e3e720d28b
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Filesize
4.2MB
MD55594fdcad21298194594303f3b63b781
SHA1b57e7386916ccace46943bd8bbd6b6eedd964538
SHA256ff99a7d2f54832f2c6e7d2e4d69a04184e2a45ebbbda9251734bcc2aab51caa9
SHA512ec620d40e651b81a3586b571b6189e1587c701d4d8e799bcc903983fd33b5f53190b51f69e735e69be13f788743bd37e934f4fe809227533d9efa34536b1e4fb
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec