Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
23/04/2024, 10:14
Static task
static1
Behavioral task
behavioral1
Sample
61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe
Resource
win10v2004-20240412-en
General
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Target
61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe
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Size
4.2MB
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MD5
dd258486424a052f6c66952a893382ca
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SHA1
eb2f66dd7e00aa34d38f4e4ea74c510c3443f06b
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SHA256
61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383
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SHA512
f3016dbc7f610c5158cfb0763483feaeef4f476b38216f8905e103e3ca252fdee40023de94afbdb18b64954ce327de7f21d147219742cee01f70441027125aed
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SSDEEP
98304:peiXgjfYM+YCqIBSQT01PCfNXIHeUq1r+tG+:gjpDCqkSQTkeq+UntG+
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/1980-2-0x0000000006750000-0x000000000703B000-memory.dmp family_glupteba behavioral2/memory/1980-77-0x0000000006750000-0x000000000703B000-memory.dmp family_glupteba behavioral2/memory/1980-108-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/3012-169-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-233-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-236-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-239-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-250-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-254-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-258-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-262-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-266-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-270-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-274-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-277-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-281-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/868-285-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1268 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 868 csrss.exe 3440 injector.exe 4388 windefender.exe 2740 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa0c-244.dat upx behavioral2/memory/4388-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2740-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2740-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2740-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000\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 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe File created C:\Windows\rss\csrss.exe 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3620 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2840 schtasks.exe 788 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3340 powershell.exe 3340 powershell.exe 1980 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 1980 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 3084 powershell.exe 3084 powershell.exe 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 3432 powershell.exe 3432 powershell.exe 5040 powershell.exe 5040 powershell.exe 3792 powershell.exe 3792 powershell.exe 948 powershell.exe 948 powershell.exe 1304 powershell.exe 1304 powershell.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 868 csrss.exe 868 csrss.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 868 csrss.exe 868 csrss.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe 3440 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3340 powershell.exe Token: SeDebugPrivilege 1980 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Token: SeImpersonatePrivilege 1980 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe Token: SeDebugPrivilege 3084 powershell.exe Token: SeDebugPrivilege 3432 powershell.exe Token: SeDebugPrivilege 5040 powershell.exe Token: SeDebugPrivilege 3792 powershell.exe Token: SeDebugPrivilege 948 powershell.exe Token: SeDebugPrivilege 1304 powershell.exe Token: SeSystemEnvironmentPrivilege 868 csrss.exe Token: SeSecurityPrivilege 3620 sc.exe Token: SeSecurityPrivilege 3620 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1980 wrote to memory of 3340 1980 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 81 PID 1980 wrote to memory of 3340 1980 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 81 PID 1980 wrote to memory of 3340 1980 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 81 PID 3012 wrote to memory of 3084 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 86 PID 3012 wrote to memory of 3084 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 86 PID 3012 wrote to memory of 3084 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 86 PID 3012 wrote to memory of 1308 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 88 PID 3012 wrote to memory of 1308 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 88 PID 1308 wrote to memory of 1268 1308 cmd.exe 90 PID 1308 wrote to memory of 1268 1308 cmd.exe 90 PID 3012 wrote to memory of 3432 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 91 PID 3012 wrote to memory of 3432 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 91 PID 3012 wrote to memory of 3432 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 91 PID 3012 wrote to memory of 5040 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 93 PID 3012 wrote to memory of 5040 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 93 PID 3012 wrote to memory of 5040 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 93 PID 3012 wrote to memory of 868 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 95 PID 3012 wrote to memory of 868 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 95 PID 3012 wrote to memory of 868 3012 61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe 95 PID 868 wrote to memory of 3792 868 csrss.exe 96 PID 868 wrote to memory of 3792 868 csrss.exe 96 PID 868 wrote to memory of 3792 868 csrss.exe 96 PID 868 wrote to memory of 948 868 csrss.exe 102 PID 868 wrote to memory of 948 868 csrss.exe 102 PID 868 wrote to memory of 948 868 csrss.exe 102 PID 868 wrote to memory of 1304 868 csrss.exe 104 PID 868 wrote to memory of 1304 868 csrss.exe 104 PID 868 wrote to memory of 1304 868 csrss.exe 104 PID 868 wrote to memory of 3440 868 csrss.exe 106 PID 868 wrote to memory of 3440 868 csrss.exe 106 PID 4388 wrote to memory of 400 4388 windefender.exe 112 PID 4388 wrote to memory of 400 4388 windefender.exe 112 PID 4388 wrote to memory of 400 4388 windefender.exe 112 PID 400 wrote to memory of 3620 400 cmd.exe 113 PID 400 wrote to memory of 3620 400 cmd.exe 113 PID 400 wrote to memory of 3620 400 cmd.exe 113 -
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\61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe"C:\Users\Admin\AppData\Local\Temp\61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3340
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C:\Users\Admin\AppData\Local\Temp\61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.exe"C:\Users\Admin\AppData\Local\Temp\61ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383.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:3012 -
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:3084
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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:1308 -
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:1268
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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:3432
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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:5040
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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:868 -
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:3792
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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:2840
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4592
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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:948
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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:1304
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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:3440
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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:788
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4388 -
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:400 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3620
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2740
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cf9689f11e07838d52d1166055221f4d
SHA10181a7ad0438d3255a08506dbb9f9c01053e3044
SHA256ce4acfb4c822bc25705fee6d0debd990bf597cda9679b3785d9304d50339efcf
SHA512b1df798c9b00e10edb37d056a4a68acbb188157c57e37e806ab8a8b7adc46b7df7a1b06199dc96dee629b416843c7ca5a849182c9e0a0a3f92a521a1718ffc16
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56699f1c7ce7abceaf070de46e9198fcb
SHA1ad9626cccf43c6d5a29dafd635ec731939f58d98
SHA256303e2a46af8805098b9f5f27104e5422cae3c9ed600415683850deb428cdb736
SHA5126560d50510d9c787ad9aa8e5f5d200e55bc400061a969e3ddafce5aaa282e8caca2e77a5dbe68d59fd9b09be915944488d1887d1ad6539c85a6a2ca0deeb80db
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f36d611aa924b028d45fb35a244b087
SHA1f4860f41f58b1597d77497b98497895107763d26
SHA256a20f7f9cd9bf2a20d1e499c81ec64ed4268479b1afffec68c526d7e2c5c329fd
SHA5129199af3b91b2b504db72a5a91c7ceb65811ca3bcc0fa35e74b65daaad43c45a6dadead0c5488307ebc0056d4e48da75f504df0b293195d1a6221544dbfd0e9c0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ad2f0c8cc5ddddbbb69a9c31f4ad3c3
SHA182455863ef553e2deb31ae81f14ee22f0627850b
SHA25696972e5d256c24bbf36d684cc3b1c7bfd6ea674f772fc374d161d8be1da940cb
SHA512b028eb372d3d691b002ec1c627ce7abaf7f845bd081389b5be195a43a82526891b7650c7eca2aa6dd909651383a162c151e78fc9469694153f30bd96cb2289cd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c3394de113e41b6289b65a605d9b75d5
SHA1581e1ac1ebf07cfdcb7b0381e9caa62c8320e1e2
SHA256dd5c29126d9748acafe16f3eccf2a5101d3751c5851496fad586a265bec7cf15
SHA512f2b8086f83d5a50276dd6bb599caa99198549e670c480af730117cce7200f9dd635a8714375004e6f371093ecf8a0fbd4571330f5486e76fb0e1b83c32669f02
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Filesize
4.2MB
MD5dd258486424a052f6c66952a893382ca
SHA1eb2f66dd7e00aa34d38f4e4ea74c510c3443f06b
SHA25661ca3db54caf98a9dc14741c9c57f027818da0373be9881994ef8285accdc383
SHA512f3016dbc7f610c5158cfb0763483feaeef4f476b38216f8905e103e3ca252fdee40023de94afbdb18b64954ce327de7f21d147219742cee01f70441027125aed
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec