Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 18 IoCs
resource yara_rule behavioral1/memory/4384-2-0x0000000002E10000-0x00000000036FB000-memory.dmp family_glupteba behavioral1/memory/4384-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4384-58-0x0000000002E10000-0x00000000036FB000-memory.dmp family_glupteba behavioral1/memory/4384-85-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5100-198-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3044-274-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3452 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3044 csrss.exe 3732 injector.exe 1360 windefender.exe 1480 windefender.exe -
resource yara_rule behavioral1/files/0x000700000002347f-222.dat upx behavioral1/memory/1360-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1480-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1360-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1480-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1480-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 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 -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3108 sc.exe -
pid Process 428 powershell.exe 4444 powershell.exe 2104 powershell.exe 1840 powershell.exe 3656 powershell.exe 668 powershell.exe 1064 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 5004 schtasks.exe 4416 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,-961 = "Paraguay Daylight 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,-1801 = "Line Islands Daylight Time" windefender.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\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-1871 = "Russia TZ 7 Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island 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\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard 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,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4444 powershell.exe 4444 powershell.exe 4384 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 4384 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 2104 powershell.exe 2104 powershell.exe 2104 powershell.exe 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 1840 powershell.exe 1840 powershell.exe 3656 powershell.exe 3656 powershell.exe 668 powershell.exe 668 powershell.exe 1064 powershell.exe 1064 powershell.exe 428 powershell.exe 428 powershell.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3044 csrss.exe 3044 csrss.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3044 csrss.exe 3044 csrss.exe 3732 injector.exe 3732 injector.exe 3044 csrss.exe 3044 csrss.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe 3732 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4444 powershell.exe Token: SeDebugPrivilege 4384 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Token: SeImpersonatePrivilege 4384 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeDebugPrivilege 1840 powershell.exe Token: SeDebugPrivilege 3656 powershell.exe Token: SeDebugPrivilege 668 powershell.exe Token: SeDebugPrivilege 1064 powershell.exe Token: SeDebugPrivilege 428 powershell.exe Token: SeSystemEnvironmentPrivilege 3044 csrss.exe Token: SeSecurityPrivilege 3108 sc.exe Token: SeSecurityPrivilege 3108 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4384 wrote to memory of 4444 4384 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 86 PID 4384 wrote to memory of 4444 4384 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 86 PID 4384 wrote to memory of 4444 4384 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 86 PID 5100 wrote to memory of 2104 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 98 PID 5100 wrote to memory of 2104 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 98 PID 5100 wrote to memory of 2104 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 98 PID 5100 wrote to memory of 8 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 100 PID 5100 wrote to memory of 8 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 100 PID 8 wrote to memory of 3452 8 cmd.exe 102 PID 8 wrote to memory of 3452 8 cmd.exe 102 PID 5100 wrote to memory of 1840 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 103 PID 5100 wrote to memory of 1840 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 103 PID 5100 wrote to memory of 1840 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 103 PID 5100 wrote to memory of 3656 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 105 PID 5100 wrote to memory of 3656 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 105 PID 5100 wrote to memory of 3656 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 105 PID 5100 wrote to memory of 3044 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 107 PID 5100 wrote to memory of 3044 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 107 PID 5100 wrote to memory of 3044 5100 f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b.exe 107 PID 3044 wrote to memory of 668 3044 csrss.exe 108 PID 3044 wrote to memory of 668 3044 csrss.exe 108 PID 3044 wrote to memory of 668 3044 csrss.exe 108 PID 3044 wrote to memory of 1064 3044 csrss.exe 114 PID 3044 wrote to memory of 1064 3044 csrss.exe 114 PID 3044 wrote to memory of 1064 3044 csrss.exe 114 PID 3044 wrote to memory of 428 3044 csrss.exe 116 PID 3044 wrote to memory of 428 3044 csrss.exe 116 PID 3044 wrote to memory of 428 3044 csrss.exe 116 PID 3044 wrote to memory of 3732 3044 csrss.exe 118 PID 3044 wrote to memory of 3732 3044 csrss.exe 118 PID 1360 wrote to memory of 4008 1360 windefender.exe 126 PID 1360 wrote to memory of 4008 1360 windefender.exe 126 PID 1360 wrote to memory of 4008 1360 windefender.exe 126 PID 4008 wrote to memory of 3108 4008 cmd.exe 127 PID 4008 wrote to memory of 3108 4008 cmd.exe 127 PID 4008 wrote to memory of 3108 4008 cmd.exe 127 -
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:4384 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4444
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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:5100 -
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:2104
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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:8 -
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:3452
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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:1840
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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:3656
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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:3044 -
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:668
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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:5004
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4176
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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:1064
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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:428
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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:3732
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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:4416
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1360 -
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:4008 -
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:3108
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1480
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eb0cfc6c91748254db4c1322c6c445b6
SHA1bd04ef9f82223201a29638233345f382b6a5cc54
SHA256fe7e40291b88efb6e04f20a0a09b6527dac1d9299cc25065d0bbfeb43f674a6f
SHA512e8c728199b92b8d02cd5aa744ad05b18e212380f8f562bf1279a74341bb8983d3400147b93c1f38821c952b4452653a91bb75180025c00ae0bbdef8f25ebff06
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548d92ae60f847e62c89a8787ec4ee2d6
SHA1101d97801e6ed4952bd8497a79d2689210eae006
SHA2568c40681a45e82c780be48d00436e2d9b8d892ff337f0b6df8863519e5581bad8
SHA51201bba2e7acbc82585be775e8e85e42b1bf1531d3b6079804db3d222d2ff5a39812d60563320e274f4056036596926b54624c08b6a093d13add20b378b6b09257
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b19a3ad7c1cd5d32e04e4a7765198040
SHA151e5dd1542cc3383e582624f8d91d17c47108a05
SHA25676925eb3f25745e57ee80e8deb70ef6b2236bf79a7189945e759dcf537bf90dd
SHA5124aa618a44278607216b0aae6e6167123542aa876408df539a1010f248039d62ae0433919dbdc9b0cc52f49613ea25296f868049e7d1facaf21143ff5c3d692ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fe5b839c6af17d89d43d79bc688d4ced
SHA16717eb0265f2f2375198195adeee23d6af063e78
SHA2566286fd77d9a1ce6b629861f4ce9d83f13c2bac0a0b9e5538a8817af5d8a765ea
SHA512fe40004bdbcdb9881330917c015306e71d11131857f4b49ab2041e07bb0b703f0deab1f9590431967036d27619c247f9f1c64afbfa42185bbc45d81259972a92
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bd21f037df78c0efb6e386870cc13e1a
SHA18aa3262f961fe1f09bd21e7ee3ff3dccb046189d
SHA2565d585b4e9cdbb87167d3de2c148b7c3a2b37533e4cb09c97026f600972f8981b
SHA512d839855c338176f96d2c822bc337f42bbf00b166cf0e6e94c2befddaaa8d876fa8c44cab52dd3262e72a37859ab600a749ad762762c89559eb451d3908023dcd
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Filesize
4.1MB
MD59d989d4ff312ee6c9ed20b8678ce29b9
SHA127897eb5494a276e23a2045120d98bbd708febb8
SHA256f222a754f076013d880c23d6f41a7feceb6825b931b45e8d84969e3395b28a4b
SHA5120b5a2a0fe91215c1b4666fc34f1ca7016c4d5df83db42d5096184e50ec046b8340cb8d0c625bc4a6b26105be1d83de10fe0d901f577810d2feee808443fae864
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec