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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
05/10/2023, 19:58
Static task
static1
General
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Target
de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe
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Size
4.1MB
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MD5
76456aff2a027737a13e954bb59355fe
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SHA1
1ef3a8a5b79a8b7fe1d0df1bf6cffb6b52aed9aa
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SHA256
de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35
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SHA512
fd21df6d6403d0fd66e4f67ee2f221d12d74caa87e347e43115204ba2bf3ea7599a6ec556b29d5a157ffb305b49164134da4aff0cbd3d73490e692ba57ef66f2
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SSDEEP
98304:2Okg9xxigAStGiMm4s6HBd0ztnCcAo2asOEd0g5km:2OZlBz31eT0hao22Ed0Ekm
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/4988-2-0x0000000005300000-0x0000000005BEB000-memory.dmp family_glupteba behavioral1/memory/4988-3-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4988-7-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4988-24-0x0000000005300000-0x0000000005BEB000-memory.dmp family_glupteba behavioral1/memory/4988-33-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4988-61-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4336-63-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4336-78-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4336-92-0x0000000004DC0000-0x00000000051BC000-memory.dmp family_glupteba behavioral1/memory/4336-114-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4336-157-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4336-163-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4788-168-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4788-235-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4788-272-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4788-273-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4788-274-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4788-275-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4788-276-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba behavioral1/memory/4788-277-0x0000000000400000-0x0000000002FB5000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 904 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 4788 csrss.exe 4040 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\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 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe File created C:\Windows\rss\csrss.exe de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2564 4988 WerFault.exe 85 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3952 schtasks.exe 3108 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4948 powershell.exe 4948 powershell.exe 4988 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 4988 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 3556 powershell.exe 3556 powershell.exe 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 4860 powershell.exe 4860 powershell.exe 964 powershell.exe 964 powershell.exe 5100 powershell.exe 5100 powershell.exe 3884 powershell.exe 3884 powershell.exe 208 powershell.exe 208 powershell.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4788 csrss.exe 4788 csrss.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4788 csrss.exe 4788 csrss.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe 4040 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4948 powershell.exe Token: SeDebugPrivilege 4988 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Token: SeImpersonatePrivilege 4988 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe Token: SeDebugPrivilege 3556 powershell.exe Token: SeDebugPrivilege 4860 powershell.exe Token: SeDebugPrivilege 964 powershell.exe Token: SeDebugPrivilege 5100 powershell.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeDebugPrivilege 208 powershell.exe Token: SeSystemEnvironmentPrivilege 4788 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 4988 wrote to memory of 4948 4988 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 96 PID 4988 wrote to memory of 4948 4988 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 96 PID 4988 wrote to memory of 4948 4988 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 96 PID 4336 wrote to memory of 3556 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 104 PID 4336 wrote to memory of 3556 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 104 PID 4336 wrote to memory of 3556 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 104 PID 4336 wrote to memory of 4752 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 106 PID 4336 wrote to memory of 4752 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 106 PID 4752 wrote to memory of 904 4752 cmd.exe 108 PID 4752 wrote to memory of 904 4752 cmd.exe 108 PID 4336 wrote to memory of 4860 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 109 PID 4336 wrote to memory of 4860 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 109 PID 4336 wrote to memory of 4860 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 109 PID 4336 wrote to memory of 964 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 111 PID 4336 wrote to memory of 964 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 111 PID 4336 wrote to memory of 964 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 111 PID 4336 wrote to memory of 4788 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 113 PID 4336 wrote to memory of 4788 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 113 PID 4336 wrote to memory of 4788 4336 de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe 113 PID 4788 wrote to memory of 5100 4788 csrss.exe 115 PID 4788 wrote to memory of 5100 4788 csrss.exe 115 PID 4788 wrote to memory of 5100 4788 csrss.exe 115 PID 4788 wrote to memory of 3884 4788 csrss.exe 120 PID 4788 wrote to memory of 3884 4788 csrss.exe 120 PID 4788 wrote to memory of 3884 4788 csrss.exe 120 PID 4788 wrote to memory of 208 4788 csrss.exe 123 PID 4788 wrote to memory of 208 4788 csrss.exe 123 PID 4788 wrote to memory of 208 4788 csrss.exe 123 PID 4788 wrote to memory of 4040 4788 csrss.exe 125 PID 4788 wrote to memory of 4040 4788 csrss.exe 125 -
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\de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe"C:\Users\Admin\AppData\Local\Temp\de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4988 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4948
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C:\Users\Admin\AppData\Local\Temp\de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.exe"C:\Users\Admin\AppData\Local\Temp\de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35.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:4336 -
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:3556
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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:4752 -
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:904
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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:4860
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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:964
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4788 -
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:5100
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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:3952
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1984
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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:3884
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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:208
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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:4040
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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:3108
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 8762⤵
- Program crash
PID:2564
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4988 -ip 49881⤵PID:5020
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
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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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7968d241f315951e3061405b4ec3115
SHA1277291bc2b26bcce5e64f809284562604f2911e4
SHA256da56b55afff12265584c28f9e1fb48bc02e4fea239568578038be3cab9fe9f4d
SHA51228408d7cb2f672c665aa88494527969113a4105d7af5c269f641c0c5673793707e2b240c8dd6c0122cbd1de8ec9c5b654e9151771b68ce84f6b728ef12d329ed
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51a2399f233a04af5d9442be82749837b
SHA1e9859e0ebef6def7c551cff3087ddfa0f1aeae47
SHA256659ebd9ffe6a63663a6c551ccc1c64fa22fc6f6567307b358fe0e9e7b8b90e53
SHA5123dad560230414ee43afb4c2c3967d4328b17a9d8210e65c87a84fe96b7894e2ff44dd348b4ca77d66989081d0373ffdd9018b2977e2bcc8b529f7a9c98980294
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53db5870aafed92291e4392bacf217e1a
SHA134827997aa67580405434177381ddaadc437f124
SHA25687990c378116b7a533659afd19aed2a68231ad4b5c8bc663b2576f1cfcb20eeb
SHA5122e9587f77a500c7f5b178a8a6d200190d0ef90bc632832093bf7a2b1666912fe9751a43c21932dd60c559bc015e72e737296f4ae80e10726b42273886f98569c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5891c42066cacf74d61b3a216dde219d8
SHA1e6736ec70f32b7031200d5ea3f9e1aeaee98f9d6
SHA256d444260fc8c78525ff0f4fe0b772ca9fed952e5209ad3636c852199a134b0f10
SHA512a251aab30fdea183a31986e599550a47b571eebd6e1c88c2e6fbdd3bc07195a51fa8bc605bfc693ee821e71983b3f7312c303891835cf086107039a11acc0c05
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53dca8ed20742bd16bd643628da1dbe30
SHA1dbebbbd031c3b9c66f1e33d109cc841c71380b1f
SHA2566ab9ba1b1381fe3464973833d2b0aa661e313ad34ec6839482e2b0121c57fb6e
SHA512cd6daa5fa4d0aa048c08eed1b453526114eddd9610e09a7f15de35ffb090514a2e549725bc87d91061c3af2cdf27f74b31a7cf018fe4c3b9c96bab70434608e8
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Filesize
4.1MB
MD576456aff2a027737a13e954bb59355fe
SHA11ef3a8a5b79a8b7fe1d0df1bf6cffb6b52aed9aa
SHA256de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35
SHA512fd21df6d6403d0fd66e4f67ee2f221d12d74caa87e347e43115204ba2bf3ea7599a6ec556b29d5a157ffb305b49164134da4aff0cbd3d73490e692ba57ef66f2
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Filesize
4.1MB
MD576456aff2a027737a13e954bb59355fe
SHA11ef3a8a5b79a8b7fe1d0df1bf6cffb6b52aed9aa
SHA256de597684cad616fe379cadd7b3f0cee7ebc2fcbe3848290c26140c00cb042e35
SHA512fd21df6d6403d0fd66e4f67ee2f221d12d74caa87e347e43115204ba2bf3ea7599a6ec556b29d5a157ffb305b49164134da4aff0cbd3d73490e692ba57ef66f2