Analysis
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max time kernel
149s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/04/2024, 22:43
Static task
static1
Behavioral task
behavioral1
Sample
74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe
Resource
win10v2004-20240412-en
General
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Target
74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe
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Size
4.2MB
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MD5
3b2988ba478816d8ce4c89af3fb479a5
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SHA1
a2beef31125280751561e3af02f5567b9bb0fcab
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SHA256
74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4
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SHA512
d777497edb9cc66e8a565e4f1f6d522f1601e09f6cdf2b47b4e0874d423ab95261accecfeaa01c8ba01f35606259128132cea043165a97328ac68734e836b719
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SSDEEP
98304:3/40EOOAEftLoGWLNDgTXMgGOTrFzBqlMJaGItfGH:PdVQtLoTZDg5GO9Bqlcf
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4132-2-0x0000000004120000-0x0000000004A0B000-memory.dmp family_glupteba behavioral2/memory/4132-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4132-51-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4132-54-0x0000000004120000-0x0000000004A0B000-memory.dmp family_glupteba behavioral2/memory/1492-55-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1492-138-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/1492-146-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-247-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-248-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-257-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-259-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-261-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-265-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-267-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-269-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-271-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-275-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/3492-277-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1584 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3492 csrss.exe 4320 injector.exe 1308 windefender.exe 3168 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a99a-252.dat upx behavioral2/memory/1308-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3168-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3168-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe File created C:\Windows\rss\csrss.exe 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1004 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 572 4132 WerFault.exe 77 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4036 schtasks.exe 1384 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,-2751 = "Tomsk Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.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,-1471 = "Magadan 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\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.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\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.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\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard 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\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-511 = "Central Asia Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4136 powershell.exe 4136 powershell.exe 4132 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 4132 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 2244 powershell.exe 2244 powershell.exe 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 4572 powershell.exe 4572 powershell.exe 2092 powershell.exe 2092 powershell.exe 4384 powershell.exe 4384 powershell.exe 4728 powershell.exe 4728 powershell.exe 4332 powershell.exe 4332 powershell.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 3492 csrss.exe 3492 csrss.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 3492 csrss.exe 3492 csrss.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 4320 injector.exe 3492 csrss.exe 3492 csrss.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4136 powershell.exe Token: SeDebugPrivilege 4132 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Token: SeImpersonatePrivilege 4132 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe Token: SeDebugPrivilege 2244 powershell.exe Token: SeDebugPrivilege 4572 powershell.exe Token: SeDebugPrivilege 2092 powershell.exe Token: SeDebugPrivilege 4384 powershell.exe Token: SeDebugPrivilege 4728 powershell.exe Token: SeDebugPrivilege 4332 powershell.exe Token: SeSystemEnvironmentPrivilege 3492 csrss.exe Token: SeSecurityPrivilege 1004 sc.exe Token: SeSecurityPrivilege 1004 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4132 wrote to memory of 4136 4132 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 79 PID 4132 wrote to memory of 4136 4132 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 79 PID 4132 wrote to memory of 4136 4132 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 79 PID 1492 wrote to memory of 2244 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 87 PID 1492 wrote to memory of 2244 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 87 PID 1492 wrote to memory of 2244 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 87 PID 1492 wrote to memory of 380 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 89 PID 1492 wrote to memory of 380 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 89 PID 380 wrote to memory of 1584 380 cmd.exe 91 PID 380 wrote to memory of 1584 380 cmd.exe 91 PID 1492 wrote to memory of 4572 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 92 PID 1492 wrote to memory of 4572 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 92 PID 1492 wrote to memory of 4572 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 92 PID 1492 wrote to memory of 2092 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 94 PID 1492 wrote to memory of 2092 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 94 PID 1492 wrote to memory of 2092 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 94 PID 1492 wrote to memory of 3492 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 96 PID 1492 wrote to memory of 3492 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 96 PID 1492 wrote to memory of 3492 1492 74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe 96 PID 3492 wrote to memory of 4384 3492 csrss.exe 97 PID 3492 wrote to memory of 4384 3492 csrss.exe 97 PID 3492 wrote to memory of 4384 3492 csrss.exe 97 PID 3492 wrote to memory of 4728 3492 csrss.exe 103 PID 3492 wrote to memory of 4728 3492 csrss.exe 103 PID 3492 wrote to memory of 4728 3492 csrss.exe 103 PID 3492 wrote to memory of 4332 3492 csrss.exe 105 PID 3492 wrote to memory of 4332 3492 csrss.exe 105 PID 3492 wrote to memory of 4332 3492 csrss.exe 105 PID 3492 wrote to memory of 4320 3492 csrss.exe 107 PID 3492 wrote to memory of 4320 3492 csrss.exe 107 PID 1308 wrote to memory of 532 1308 windefender.exe 113 PID 1308 wrote to memory of 532 1308 windefender.exe 113 PID 1308 wrote to memory of 532 1308 windefender.exe 113 PID 532 wrote to memory of 1004 532 cmd.exe 114 PID 532 wrote to memory of 1004 532 cmd.exe 114 PID 532 wrote to memory of 1004 532 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe"C:\Users\Admin\AppData\Local\Temp\74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4132 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4136
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C:\Users\Admin\AppData\Local\Temp\74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.exe"C:\Users\Admin\AppData\Local\Temp\74065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4.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:1492 -
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:2244
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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:380 -
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:1584
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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:4572
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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:2092
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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:3492 -
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:4384
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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:4036
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2384
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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:4728
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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:4332
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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:4320
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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:1384
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1308 -
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:532 -
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:1004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4132 -s 9762⤵
- Program crash
PID:572
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4132 -ip 41321⤵PID:2028
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3168
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
MD59169257dcf903431210bf05586013e27
SHA10cae341a66e858f8b486dea8feca45f717fd5f33
SHA2561a92524b0457a105e1f360640334a7121dbbabe1bf1f7a5146ffe6ae1a583f2f
SHA512d0c5698c89bc617306d966eef98b92882be9a09970b3f003d8391c06ffc22b5d2ca79565fa377225867242080ae17763ba4aba7ba096bc1f51c7a233439d0094
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5380d29165e0d6268dbc9b65ce08541e7
SHA1abc66d1cb90889ca0be9541dfeb3b5eb9bb96299
SHA256aabca2dc0cc71c603066080ff0ac80a8df444e4d755ec76f995ac2d60388e0ec
SHA51240d6f6384f369b0976e5dd9cfdca2c63ab903213ccaa8c9aeccc5b0ab26784e57acd294e518cbac9175c019dcaadbf49a4af7ec1e2a016ddfab2e12f4cecb8cb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fe089caf0dec5d51b78a8516b19c377d
SHA1b35fe964982524665ccd56a3340eb2c00112ab18
SHA256f22c89da5e272cafcf567dc297cd82e40c2e8639dba3b937b6747a40a728dc60
SHA51272b04420e0c9a1071751eeb35d4a2bab30a97f69f87a3a57739fbb326e5e83c2692a3b4d37f5790a428389f9374b63100ef76636539bfed9c2e2a3098dde74ae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5526cb97d72ce5ea9083fb2dc27695f0e
SHA116512bbeafaae1907086cda244594b0dab8945fe
SHA256841bd6ab33d923cf2b0179b79b7f2f868980e511cac327b9be442808fa0f38ff
SHA512286afdc933fe051e6bca2cbcabc3ffabb662297840095619ff1f91a8ee839a447672826fd42779a610819193d5d247deec3438fd1351d900251b88054b998fe5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50843ee7dd807a8fc507a93cad72bad53
SHA1e32547cd55687ec712ea5f044516935ee16c6939
SHA256274c3e789869b4341f87571f05a5c8449704eac1d8f21fa7a733cfb0fe07e906
SHA512102914f18edfeed5a5665b4ffed8cd975cfadc17bab077d3cb4a023ac9c2df3e814258838ad51143be45ebf4c664e5b08065f657d89ccc6632b5eaf8de453a06
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Filesize
4.2MB
MD53b2988ba478816d8ce4c89af3fb479a5
SHA1a2beef31125280751561e3af02f5567b9bb0fcab
SHA25674065c830ad2a6c9cd7e12cd44b9fb867a86d7597f7c90834182b8673d7273a4
SHA512d777497edb9cc66e8a565e4f1f6d522f1601e09f6cdf2b47b4e0874d423ab95261accecfeaa01c8ba01f35606259128132cea043165a97328ac68734e836b719
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec