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Analysis
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max time kernel
150s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
26/03/2024, 10:48
Static task
static1
Behavioral task
behavioral1
Sample
eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe
Resource
win10v2004-20240226-en
General
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Target
eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe
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Size
4.2MB
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MD5
aff082231e99a080df7f3d8b5a17f5a6
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SHA1
d17740b4b2f6ca632de7d67e7ebb68cf0dbe1efe
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SHA256
eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf
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SHA512
0bd083ecdcd51aa6d3cd0dc80e24bc2297f1e0f4e1f1e7ef76896b8468d26a15e081908d2a714bcfd6162793452ff19322add76a20186de53942446c8798540c
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SSDEEP
98304:7Qx1mA16Q9J7UePP+dPnQjqZi7LPRPOwseq2a6JLSzHqqZL9v:M1me6QH4ePoPZALPRP/Qqwx
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral2/memory/3104-2-0x0000000003170000-0x0000000003A5B000-memory.dmp family_glupteba behavioral2/memory/3104-3-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/3104-47-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/3500-54-0x0000000003040000-0x000000000392B000-memory.dmp family_glupteba behavioral2/memory/3104-56-0x0000000003170000-0x0000000003A5B000-memory.dmp family_glupteba behavioral2/memory/3500-57-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/3104-58-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/3500-90-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/3500-116-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/3500-148-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4896-214-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4896-246-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4896-255-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4896-257-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4896-259-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4896-261-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4896-263-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4896-265-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4896-267-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4896-269-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba behavioral2/memory/4896-271-0x0000000000400000-0x0000000000ED8000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2564 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4896 csrss.exe 4748 injector.exe 4052 windefender.exe 1052 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7f7-249.dat upx behavioral2/memory/4052-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1052-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1052-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.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\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 File created 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 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.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 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe File created C:\Windows\rss\csrss.exe eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.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 2848 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3088 3104 WerFault.exe 78 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1776 schtasks.exe 592 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\22\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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\22\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5108 powershell.exe 5108 powershell.exe 3104 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 3104 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 2280 powershell.exe 2280 powershell.exe 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 2288 powershell.exe 2288 powershell.exe 412 powershell.exe 412 powershell.exe 3984 powershell.exe 3984 powershell.exe 968 powershell.exe 968 powershell.exe 3896 powershell.exe 3896 powershell.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4896 csrss.exe 4896 csrss.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4896 csrss.exe 4896 csrss.exe 4748 injector.exe 4748 injector.exe 4896 csrss.exe 4896 csrss.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe 4748 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5108 powershell.exe Token: SeDebugPrivilege 3104 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Token: SeImpersonatePrivilege 3104 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe Token: SeDebugPrivilege 2280 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 412 powershell.exe Token: SeDebugPrivilege 3984 powershell.exe Token: SeDebugPrivilege 968 powershell.exe Token: SeDebugPrivilege 3896 powershell.exe Token: SeSystemEnvironmentPrivilege 4896 csrss.exe Token: SeSecurityPrivilege 2848 sc.exe Token: SeSecurityPrivilege 2848 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3104 wrote to memory of 5108 3104 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 81 PID 3104 wrote to memory of 5108 3104 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 81 PID 3104 wrote to memory of 5108 3104 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 81 PID 3500 wrote to memory of 2280 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 89 PID 3500 wrote to memory of 2280 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 89 PID 3500 wrote to memory of 2280 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 89 PID 3500 wrote to memory of 3288 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 91 PID 3500 wrote to memory of 3288 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 91 PID 3288 wrote to memory of 2564 3288 cmd.exe 93 PID 3288 wrote to memory of 2564 3288 cmd.exe 93 PID 3500 wrote to memory of 2288 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 94 PID 3500 wrote to memory of 2288 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 94 PID 3500 wrote to memory of 2288 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 94 PID 3500 wrote to memory of 412 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 96 PID 3500 wrote to memory of 412 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 96 PID 3500 wrote to memory of 412 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 96 PID 3500 wrote to memory of 4896 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 98 PID 3500 wrote to memory of 4896 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 98 PID 3500 wrote to memory of 4896 3500 eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe 98 PID 4896 wrote to memory of 3984 4896 csrss.exe 99 PID 4896 wrote to memory of 3984 4896 csrss.exe 99 PID 4896 wrote to memory of 3984 4896 csrss.exe 99 PID 4896 wrote to memory of 968 4896 csrss.exe 105 PID 4896 wrote to memory of 968 4896 csrss.exe 105 PID 4896 wrote to memory of 968 4896 csrss.exe 105 PID 4896 wrote to memory of 3896 4896 csrss.exe 107 PID 4896 wrote to memory of 3896 4896 csrss.exe 107 PID 4896 wrote to memory of 3896 4896 csrss.exe 107 PID 4896 wrote to memory of 4748 4896 csrss.exe 109 PID 4896 wrote to memory of 4748 4896 csrss.exe 109 PID 4052 wrote to memory of 2292 4052 windefender.exe 115 PID 4052 wrote to memory of 2292 4052 windefender.exe 115 PID 4052 wrote to memory of 2292 4052 windefender.exe 115 PID 2292 wrote to memory of 2848 2292 cmd.exe 116 PID 2292 wrote to memory of 2848 2292 cmd.exe 116 PID 2292 wrote to memory of 2848 2292 cmd.exe 116 -
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\eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe"C:\Users\Admin\AppData\Local\Temp\eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3104 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5108
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C:\Users\Admin\AppData\Local\Temp\eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.exe"C:\Users\Admin\AppData\Local\Temp\eaa44c3a099ef48c57d26cd2c7d5c6079ad6bfcd74f1b3fd6a103e23dff99dbf.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:3500 -
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:2280
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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:3288 -
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:2564
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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:2288
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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:412
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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:4896 -
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:3984
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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:1776
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:224
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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:968
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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:3896
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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:4748
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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:592
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4052 -
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:2292 -
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:2848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 9442⤵
- Program crash
PID:3088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3104 -ip 31041⤵PID:3728
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1052
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5133c94795177982358b351440dcfdb5c
SHA1f298389a38bb43f4e14f50b7d5044e4f419ed9ad
SHA2569e3bfc2efbc6b7edd659ae9d171f8dad7a8a2e2d4d181a52cc512a6ba7904b79
SHA512dd0bda649df1935a9f436081c8076f0a178fcef354449074c2dfa5ae6baaed8a1904d198e8cf182fd7c88d9cf9121efe12c497a82fe8a6f472083bf1e4d02228
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD518532b5876b2b9ca9495b187ba6b705c
SHA1f79ec916eaea320fdf529ffff3b814854d16c009
SHA256b4168188a01a3101c1b052e38fb8491eff094923db4d4aeaf3e0798f61de04da
SHA5126b164e558379814a0124c2b6fdcfa66724ee09b47a1224f28653b40e3709af63e4e75479b83be18518c842092af129544cf70e7764345eb10709c1e4ceb9e772
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50372b29745569060a0e80a7a40a11034
SHA1f04dc3b4a22f9b944a4236e4b85c642fbd5cc5b5
SHA256cd0eb0735a16fa9eb4723c6034d7c4a2ce1320657700cbd53e9bc88e7eeee505
SHA512e8839a80d702ea3a09130abffc916b90f07c9a7cb36b4c8917cb91b1f5d1dcbb9ad483680649b08019b8e0b2c684ead103c7bfdc9a2cdcd1a09d5bf657877b4f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542c9cfafec3bc55acf671d508428f990
SHA1f6626dfa5699400237de3a89e4db5efba311226b
SHA256d2a9a31c96c372fd3b68f33ec3f668864f692cf2f353a38d8ebe10b88fe03094
SHA51289c4f2982a4585eea483200ceb7fbf910f4497e347f437310db8a9dd09aba46a5baad8da9c615ca59cf229a603497317edbc8dd23ea579ac90a7920944e757a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5537e2c59cccf134bf689aa9db7c9f753
SHA1ad32befda49e68d3145ec2fade2e444064256c5b
SHA256436e50575acef56a22bac6958e871efe4c91e3079547ff466eef9cc14778dbfa
SHA5128e80d2a82166b7f5cd52b40d892103c4d9f33234d99fa6fa0c4e573611b02460f00242289816d8041581ccb4155afd503bf7601478949f9d9b2eea6231a07fbe
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Filesize
1.2MB
MD51d36322be15894f804a251ad14d767a9
SHA10c4b50e22e3500d36b13c40ea71a7ba391580ed0
SHA2567d97c3d6a9efe4b922144169a1ed599c79fb4344d622f6538f2981e6d0b2d22a
SHA512d48fead0e070fb97f6eb021c2221b68275482af2f6d558cefbe0c289b1b19dd344ebc64d30951a3e6e7c6b0bd4cf5e40f14caf1283f2da26f6101c6c3353933b
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Filesize
1.9MB
MD5f88daa96457400844b24a1bac6d5f881
SHA1f878513db85c032ed02ff9f0f9b4b7841ea431a6
SHA2560212abdd45b2e02e8d6a6db9f40594e10dae4709371dd9bfc60ec9146de6aa2b
SHA51225e71cbf993339399c5da15194d8ec830a03dfdb60a025a0437643951eeca1f8eec9c23be5840e8dfe6ffab6c084f05b3cd6223bc50d7b9bdaa6aab4c8d91bcd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec