Analysis
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max time kernel
150s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 12:22
Static task
static1
Behavioral task
behavioral1
Sample
f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe
Resource
win10v2004-20240426-en
General
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Target
f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe
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Size
4.1MB
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MD5
9d989d4ff312ee6c9ed20b8678ce29b9
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SHA1
27897eb5494a276e23a2045120d98bbd708febb8
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SHA256
f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b
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SHA512
0b5a2a0fe91215c1b4666fc34f1ca7016c4d5df83db42d5096184e50ec046b8340cb8d0c625bc4a6b26105be1d83de10fe0d901f577810d2feee808443fae864
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SSDEEP
98304:9/lx2VB4FLDQS1OmkYbRsTncIxTvyO2P5x7YbDUU86:tlgkYS1OmbburVLyO2P5x7Yb48
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/3856-2-0x0000000002E60000-0x000000000374B000-memory.dmp family_glupteba behavioral2/memory/3856-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3856-76-0x0000000002E60000-0x000000000374B000-memory.dmp family_glupteba behavioral2/memory/3856-75-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4344-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-202-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4504-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3588 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4504 csrss.exe 4644 injector.exe 4472 windefender.exe 2752 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab58-205.dat upx behavioral2/memory/4472-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4472-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2752-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2752-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 944 sc.exe -
pid Process 4596 powershell.exe 1516 powershell.exe 4832 powershell.exe 416 powershell.exe 3596 powershell.exe 2884 powershell.exe 2412 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1076 schtasks.exe 1720 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,-2162 = "Altai Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.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" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.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,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.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\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.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,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4832 powershell.exe 4832 powershell.exe 3856 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 3856 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 416 powershell.exe 416 powershell.exe 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 3596 powershell.exe 3596 powershell.exe 2884 powershell.exe 2884 powershell.exe 2412 powershell.exe 2412 powershell.exe 4596 powershell.exe 4596 powershell.exe 1516 powershell.exe 1516 powershell.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4504 csrss.exe 4504 csrss.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4504 csrss.exe 4504 csrss.exe 4644 injector.exe 4644 injector.exe 4504 csrss.exe 4504 csrss.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe 4644 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4832 powershell.exe Token: SeDebugPrivilege 3856 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Token: SeImpersonatePrivilege 3856 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Token: SeDebugPrivilege 416 powershell.exe Token: SeDebugPrivilege 3596 powershell.exe Token: SeDebugPrivilege 2884 powershell.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeDebugPrivilege 4596 powershell.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeSystemEnvironmentPrivilege 4504 csrss.exe Token: SeSecurityPrivilege 944 sc.exe Token: SeSecurityPrivilege 944 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3856 wrote to memory of 4832 3856 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 82 PID 3856 wrote to memory of 4832 3856 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 82 PID 3856 wrote to memory of 4832 3856 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 82 PID 4344 wrote to memory of 416 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 87 PID 4344 wrote to memory of 416 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 87 PID 4344 wrote to memory of 416 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 87 PID 4344 wrote to memory of 4516 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 89 PID 4344 wrote to memory of 4516 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 89 PID 4516 wrote to memory of 3588 4516 cmd.exe 91 PID 4516 wrote to memory of 3588 4516 cmd.exe 91 PID 4344 wrote to memory of 3596 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 92 PID 4344 wrote to memory of 3596 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 92 PID 4344 wrote to memory of 3596 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 92 PID 4344 wrote to memory of 2884 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 94 PID 4344 wrote to memory of 2884 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 94 PID 4344 wrote to memory of 2884 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 94 PID 4344 wrote to memory of 4504 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 96 PID 4344 wrote to memory of 4504 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 96 PID 4344 wrote to memory of 4504 4344 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 96 PID 4504 wrote to memory of 2412 4504 csrss.exe 97 PID 4504 wrote to memory of 2412 4504 csrss.exe 97 PID 4504 wrote to memory of 2412 4504 csrss.exe 97 PID 4504 wrote to memory of 4596 4504 csrss.exe 102 PID 4504 wrote to memory of 4596 4504 csrss.exe 102 PID 4504 wrote to memory of 4596 4504 csrss.exe 102 PID 4504 wrote to memory of 1516 4504 csrss.exe 105 PID 4504 wrote to memory of 1516 4504 csrss.exe 105 PID 4504 wrote to memory of 1516 4504 csrss.exe 105 PID 4504 wrote to memory of 4644 4504 csrss.exe 107 PID 4504 wrote to memory of 4644 4504 csrss.exe 107 PID 4472 wrote to memory of 3452 4472 windefender.exe 113 PID 4472 wrote to memory of 3452 4472 windefender.exe 113 PID 4472 wrote to memory of 3452 4472 windefender.exe 113 PID 3452 wrote to memory of 944 3452 cmd.exe 114 PID 3452 wrote to memory of 944 3452 cmd.exe 114 PID 3452 wrote to memory of 944 3452 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe"C:\Users\Admin\AppData\Local\Temp\f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4832
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C:\Users\Admin\AppData\Local\Temp\f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe"C:\Users\Admin\AppData\Local\Temp\f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.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:4344 -
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:416
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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:4516 -
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:3588
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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:3596
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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:2884
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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:4504 -
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:2412
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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\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:360
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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:4596
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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:1516
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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:4644
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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:1720
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4472 -
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:3452 -
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:944
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2752
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
MD5fab0cb89f807c63d78252895ef82ffaf
SHA192a1981b1b3be0ac17dd89b231b282556db710fd
SHA25632fbfc4a88498c0a73e109dbf1b9c716904e0cea589b8666b3c09217ed3eac18
SHA5123fb03c7b0a41011d76fb5f12a6e5fc41f72563ca7ef0d9b878c0ee2c8bb63e2a8a80f360146ce981470ba0c9410680adabf85596e86fd34c8699b89bf6ffeedf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD536a3897bdf208f83c783c36ecadd601f
SHA1d0f8e72053f738098450296109fe3a7036e94631
SHA256d4907defddbe1d179436ba677ba903654a69c52b6b4b41f4713fe020f328ff24
SHA512cd1c55549314e9bc14feb728d6d2c6d0869bb8b35d6090c6b2955f2e53d41ca44159aab8c12f4eb689e54adfe321969e3e34ff951eebf9a71d9e68b10dcafbe9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59aaf07cd87a8a6d9fbde5f9b7488303c
SHA116ea092f4ba151308edd124f44f5c63493ee5ccc
SHA25681c09d90767d11a8d582b0931c66de400f589be841ab86b140364e8625adfbcc
SHA5124846a7684823b18fe72c34db34a688a07544757c5aaf8ec14d499326237a356c7d09391b33fa48d0111a8d7ea83ba45b5176c919958f57a22612534301a01aaf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5300182265b39809ba0a2bbe576f574e4
SHA15fd27592dee06c0569a74ee03671d3d4e1e6b006
SHA2560d1c11af811c702202c0103895130fe6519fd08ed15b8fa32e55a643c891a91c
SHA5129e0f0aab1c4a27fbd9d4333ce0410df2fade47242db0365d4205096a89c150befd3ae9e0bf4fa519f8a0b54e4e1de4218c63f0c271cae5afe6c87093d474bce7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50eda1bab141090244115364486faa6f6
SHA17ff3baf048771cba418fdb970a98bac03a587a06
SHA256fff8c32ea710c2616b9da03bc175e32e2f61ccbafe7918ace85ec958303be41f
SHA51203edf35080dc96ad238a30ebbf3510aac0ef20c6486a6ea638eefbbf77b3040a9439e7693c22ae1710ec8335e81f82d614f37721b7d09e391b366b246ccbd0ca
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Filesize
4.1MB
MD59d989d4ff312ee6c9ed20b8678ce29b9
SHA127897eb5494a276e23a2045120d98bbd708febb8
SHA256f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b
SHA5120b5a2a0fe91215c1b4666fc34f1ca7016c4d5df83db42d5096184e50ec046b8340cb8d0c625bc4a6b26105be1d83de10fe0d901f577810d2feee808443fae864
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec