Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 22:44
Static task
static1
Behavioral task
behavioral1
Sample
8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe
Resource
win10v2004-20240412-en
General
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Target
8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe
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Size
4.2MB
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MD5
b413116e9122e54828de168502cf3316
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SHA1
75b3d573fa4ffaed32d1aeaa548b9db874ccf277
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SHA256
8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24
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SHA512
f6bc90690e144c0c2bc951d64bbc16c653d50cd7c3f939849c992aa176ed27e6b6f651388a7cebedf5bdb0ff150023b2ba5f89768ecacf7dfe76448538e15004
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SSDEEP
98304:v/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGo:ndVQtLoTZDg5GO9Bqlcg
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4404-2-0x00000000040F0000-0x00000000049DB000-memory.dmp family_glupteba behavioral1/memory/4404-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4404-46-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1732-48-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4404-49-0x00000000040F0000-0x00000000049DB000-memory.dmp family_glupteba behavioral1/memory/1732-132-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/1732-154-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-256-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-274-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-278-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-280-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-284-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4324-286-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2392 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4324 csrss.exe 984 injector.exe 2156 windefender.exe 1360 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000023429-260.dat upx behavioral1/memory/2156-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1360-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1360-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\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 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 -
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 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe File created C:\Windows\rss\csrss.exe 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.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 5048 sc.exe -
Program crash 3 IoCs
pid pid_target Process procid_target 984 1304 WerFault.exe 88 3244 4404 WerFault.exe 84 984 1732 WerFault.exe 96 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 624 schtasks.exe 3380 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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 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,-841 = "Argentina Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.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,-41 = "E. South America Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.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,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.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,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.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,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\26\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.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,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1304 powershell.exe 1304 powershell.exe 4404 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 4404 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 3396 powershell.exe 3396 powershell.exe 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 3900 powershell.exe 3900 powershell.exe 4460 powershell.exe 4460 powershell.exe 4432 powershell.exe 4432 powershell.exe 3964 powershell.exe 3964 powershell.exe 2104 powershell.exe 2104 powershell.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 4324 csrss.exe 4324 csrss.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 4324 csrss.exe 4324 csrss.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe 4324 csrss.exe 4324 csrss.exe 984 injector.exe 984 injector.exe 984 injector.exe 984 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1304 powershell.exe Token: SeDebugPrivilege 4404 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Token: SeImpersonatePrivilege 4404 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe Token: SeDebugPrivilege 3396 powershell.exe Token: SeDebugPrivilege 3900 powershell.exe Token: SeDebugPrivilege 4460 powershell.exe Token: SeDebugPrivilege 4432 powershell.exe Token: SeDebugPrivilege 3964 powershell.exe Token: SeDebugPrivilege 2104 powershell.exe Token: SeSystemEnvironmentPrivilege 4324 csrss.exe Token: SeSecurityPrivilege 5048 sc.exe Token: SeSecurityPrivilege 5048 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4404 wrote to memory of 1304 4404 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 88 PID 4404 wrote to memory of 1304 4404 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 88 PID 4404 wrote to memory of 1304 4404 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 88 PID 1732 wrote to memory of 3396 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 99 PID 1732 wrote to memory of 3396 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 99 PID 1732 wrote to memory of 3396 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 99 PID 1732 wrote to memory of 3620 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 101 PID 1732 wrote to memory of 3620 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 101 PID 3620 wrote to memory of 2392 3620 cmd.exe 103 PID 3620 wrote to memory of 2392 3620 cmd.exe 103 PID 1732 wrote to memory of 3900 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 104 PID 1732 wrote to memory of 3900 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 104 PID 1732 wrote to memory of 3900 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 104 PID 1732 wrote to memory of 4460 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 106 PID 1732 wrote to memory of 4460 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 106 PID 1732 wrote to memory of 4460 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 106 PID 1732 wrote to memory of 4324 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 108 PID 1732 wrote to memory of 4324 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 108 PID 1732 wrote to memory of 4324 1732 8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe 108 PID 4324 wrote to memory of 4432 4324 csrss.exe 111 PID 4324 wrote to memory of 4432 4324 csrss.exe 111 PID 4324 wrote to memory of 4432 4324 csrss.exe 111 PID 4324 wrote to memory of 3964 4324 csrss.exe 117 PID 4324 wrote to memory of 3964 4324 csrss.exe 117 PID 4324 wrote to memory of 3964 4324 csrss.exe 117 PID 4324 wrote to memory of 2104 4324 csrss.exe 121 PID 4324 wrote to memory of 2104 4324 csrss.exe 121 PID 4324 wrote to memory of 2104 4324 csrss.exe 121 PID 4324 wrote to memory of 984 4324 csrss.exe 125 PID 4324 wrote to memory of 984 4324 csrss.exe 125 PID 2156 wrote to memory of 2776 2156 windefender.exe 134 PID 2156 wrote to memory of 2776 2156 windefender.exe 134 PID 2156 wrote to memory of 2776 2156 windefender.exe 134 PID 2776 wrote to memory of 5048 2776 cmd.exe 135 PID 2776 wrote to memory of 5048 2776 cmd.exe 135 PID 2776 wrote to memory of 5048 2776 cmd.exe 135 -
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\8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe"C:\Users\Admin\AppData\Local\Temp\8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4404 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1304 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 23923⤵
- Program crash
PID:984
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C:\Users\Admin\AppData\Local\Temp\8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.exe"C:\Users\Admin\AppData\Local\Temp\8faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24.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:1732 -
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:3396
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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:3620 -
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:2392
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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:3900
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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:4460
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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:4324 -
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:4432
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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:624
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3164
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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:3964
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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:2104
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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:984
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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:3380
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2156 -
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:2776 -
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:5048
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 8443⤵
- Program crash
PID:984
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 10122⤵
- Program crash
PID:3244
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1304 -ip 13041⤵PID:4180
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4404 -ip 44041⤵PID:2996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1732 -ip 17321⤵PID:4180
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1360
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e6cfedca03e8d2dacb5b848902985830
SHA1fa1d05fa6571224d6d5b99dba62196eb9fc9429c
SHA256ef774e6d9eae14cb6c5f5181e4531801f4f08841b486af28ffc90cc5dbd605b3
SHA512a56f91226d130b8926c3e3dff5f22796d3c97fdeda0f6cd10f105d3da02b191edd74fc0832ddfdc7013b00b05a2a8a740c3cf3ddcc460bc32c84033709258cfa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cc05f6f44f143598aaf490a9e6d67dde
SHA18c2d194f11922b6c9a54a0b7eddad8ef90edaee5
SHA256619b05843ae3fd3eb757d59e8f6487b0aa44161dfff432c59c6db8b0df6a46d7
SHA5129a0b10049679e9bcf75c3ccb781db86ef4c215e084e425a507c14e42cd492218b18680587ab0688ceba3378942eb335315d0bddd6752747969fb3f57b7245833
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57af9a748790861aa93f9b07332432b47
SHA19b87908f8b5bb00ad55014771789873e118d5cab
SHA256e177663443f8db6eb3fed68c547f971e2c057f9eb2717a1aab76944d61ba7d56
SHA5120330d0cf92ee7caf28ce0a774a711f95ebe5fb42e39307c03e202d072d37cea48bc508e3b44045fda02e6d0d159d901db0aff83668f61c0aaa48c0844a58c5b0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e48b2cad2d22bc8e85a6f31cf80a607f
SHA1c7234a653435b198887c2d2913f9c98a5fd6e6bb
SHA256a2bcb996aba79d1584db5163e543b94e1caf60cbb85fd12dc1d3f73e7ff91223
SHA5122a97a1983420b7c0f1219119ca102ff5f5c9bda78a6f8a78cd3fe0c9686157f276d585ab81786aa07b4e5090df02b01449fcac7297d9e587edaa722f1d2efef7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD569ae55d360bc13baae2dc342c439ed47
SHA1f55288c3c7b5f20100a721c5758d290a599ab90f
SHA25676b2ea51d11a84688503985b5f4f187d4191f51cc956e07efb966a9be6e66352
SHA5128fa3ab54a51a1775e79094ae596a295e9a06db2ad7df5391b4be3bb0fb21a345419ec6c7dc0f751a52b22fa19fa0ab288aa15e0c2a0b0dd95ada43cf74165703
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Filesize
4.2MB
MD5b413116e9122e54828de168502cf3316
SHA175b3d573fa4ffaed32d1aeaa548b9db874ccf277
SHA2568faf805ee985ec1c1f9433fee7e2a4827d64a5b19327d4e7710f31d259637f24
SHA512f6bc90690e144c0c2bc951d64bbc16c653d50cd7c3f939849c992aa176ed27e6b6f651388a7cebedf5bdb0ff150023b2ba5f89768ecacf7dfe76448538e15004
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec