Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
03/10/2023, 13:46
Static task
static1
General
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Target
d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe
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Size
4.2MB
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MD5
aa79e0d2728845087c3c4025aef59b2f
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SHA1
55320acd4358eb3fa8d9c5cf6e73da9b65846173
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SHA256
d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c
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SHA512
c1b9e7a694c9b1f8bb98f61efeea923a3f86d57c32e24c62d6b3a74fe2e7aa41fd9189ff04ff6728ffbd12bd6beee722ed6525ca9419f02607c4fac2a361a61b
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SSDEEP
98304:4722wvMsLFwNAIQdLBckav8O3ncXtSVwXLW+Sv:I22wUsLY/QBBcnv8OMAVwCpv
Malware Config
Signatures
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Glupteba payload 22 IoCs
resource yara_rule behavioral1/memory/2464-2-0x0000000004870000-0x000000000515B000-memory.dmp family_glupteba behavioral1/memory/2464-3-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/2464-17-0x0000000004870000-0x000000000515B000-memory.dmp family_glupteba behavioral1/memory/2464-70-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/2464-73-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/2464-305-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/4548-309-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/4548-413-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/4548-808-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/4548-1057-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/224-1060-0x0000000004B00000-0x00000000053EB000-memory.dmp family_glupteba behavioral1/memory/224-1061-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/224-1165-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/224-1582-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/224-1809-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/224-1810-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/224-1811-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/224-1812-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/224-1813-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/224-1814-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/224-1815-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba behavioral1/memory/224-1816-0x0000000000400000-0x0000000002675000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 3592 netsh.exe -
Executes dropped EXE 2 IoCs
pid Process 224 csrss.exe 2220 injector.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1894964180-3551943068-3090682958-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\S-1-5-21-1894964180-3551943068-3090682958-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\rss d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe File created C:\Windows\rss\csrss.exe d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3236 schtasks.exe 1892 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,-662 = "Cen. Australia Standard Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet netsh.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.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,-671 = "AUS Eastern Daylight Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-171 = "Central Daylight Time (Mexico)" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\AutoDetect = "0" 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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-652 = "AUS Central Standard Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-571 = "China Daylight Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.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\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\TrustedPeople\CRLs powershell.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,-2042 = "Eastern Standard Time (Mexico)" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4148 powershell.exe 4148 powershell.exe 4148 powershell.exe 2464 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 2464 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 4092 powershell.exe 4092 powershell.exe 4092 powershell.exe 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 1164 powershell.exe 1164 powershell.exe 1164 powershell.exe 3520 powershell.exe 3520 powershell.exe 3520 powershell.exe 3276 powershell.exe 3276 powershell.exe 3276 powershell.exe 4164 powershell.exe 4164 powershell.exe 4164 powershell.exe 3432 powershell.exe 3432 powershell.exe 3432 powershell.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 224 csrss.exe 224 csrss.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 224 csrss.exe 224 csrss.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe 2220 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
description pid Process Token: SeDebugPrivilege 4148 powershell.exe Token: SeDebugPrivilege 2464 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Token: SeImpersonatePrivilege 2464 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe Token: SeDebugPrivilege 4092 powershell.exe Token: SeDebugPrivilege 1164 powershell.exe Token: SeDebugPrivilege 3520 powershell.exe Token: SeDebugPrivilege 3276 powershell.exe Token: SeDebugPrivilege 4164 powershell.exe Token: SeDebugPrivilege 3432 powershell.exe Token: SeSystemEnvironmentPrivilege 224 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2464 wrote to memory of 4148 2464 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 71 PID 2464 wrote to memory of 4148 2464 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 71 PID 2464 wrote to memory of 4148 2464 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 71 PID 4548 wrote to memory of 4092 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 76 PID 4548 wrote to memory of 4092 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 76 PID 4548 wrote to memory of 4092 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 76 PID 4548 wrote to memory of 5000 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 78 PID 4548 wrote to memory of 5000 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 78 PID 5000 wrote to memory of 3592 5000 cmd.exe 80 PID 5000 wrote to memory of 3592 5000 cmd.exe 80 PID 4548 wrote to memory of 1164 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 81 PID 4548 wrote to memory of 1164 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 81 PID 4548 wrote to memory of 1164 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 81 PID 4548 wrote to memory of 3520 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 83 PID 4548 wrote to memory of 3520 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 83 PID 4548 wrote to memory of 3520 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 83 PID 4548 wrote to memory of 224 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 85 PID 4548 wrote to memory of 224 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 85 PID 4548 wrote to memory of 224 4548 d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe 85 PID 224 wrote to memory of 3276 224 csrss.exe 86 PID 224 wrote to memory of 3276 224 csrss.exe 86 PID 224 wrote to memory of 3276 224 csrss.exe 86 PID 224 wrote to memory of 4164 224 csrss.exe 93 PID 224 wrote to memory of 4164 224 csrss.exe 93 PID 224 wrote to memory of 4164 224 csrss.exe 93 PID 224 wrote to memory of 3432 224 csrss.exe 95 PID 224 wrote to memory of 3432 224 csrss.exe 95 PID 224 wrote to memory of 3432 224 csrss.exe 95 PID 224 wrote to memory of 2220 224 csrss.exe 97 PID 224 wrote to memory of 2220 224 csrss.exe 97 -
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\d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe"C:\Users\Admin\AppData\Local\Temp\d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4148
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C:\Users\Admin\AppData\Local\Temp\d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe"C:\Users\Admin\AppData\Local\Temp\d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:4548 -
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:4092
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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:5000 -
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
- Modifies data under HKEY_USERS
PID:3592
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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:1164
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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:3520
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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:224 -
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:3276
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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:3236
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1004
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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:4164
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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:3432
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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:2220
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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:1892
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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
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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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
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD58b80bb0ee7f3af822c1135c272cbe45d
SHA19ba225b6262ddcee154a3e79430774e20158adf4
SHA2566617af56fcbcca25c697a98466538246af1d8d31ee4011ed0826f6f21d306a26
SHA51285872cfc34294060f9105296e7f7b97bf00ee0a82a1e7810d360060b98e369b6cdd7122d631c900eaad2d6f3b5f760cb258cea5db4523cdb9dd65b5e0f4a7f6c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5a4c75532f7809cc55efbf83506f488cd
SHA1dc965410364a319bd96e3ea81e7b67f65fd2d07c
SHA2560ffa85a6bd8a4c9d15ff5c6e0591dac8fac7e01245924dc8c39d5be3db54691e
SHA512c917083954cdde427ed270af4c9f1476316da7bc729caef7d078b73a5063bedc426a9abe211bd63a6b553e5edf069623e396b039d61684ae52db9b635f0262f8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5643f4a6a6b5325c944771c6e54521da6
SHA19784a0f6632e574392bfc01604366c39320b667a
SHA256ff23d99e7c6d5c9fbaad9ab6686226eed3e83179730694e0dbabc8e49f79db69
SHA512c42c7fb66de81aea8057c4bd6835f38c970dc6569c1b65152ecd8afb69398857b751602b3351ddbebc66455db850716fa01445ce6d36110e5b269b2a9e4ecdff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD592dd36bfea2de7b1a931b784af963ee1
SHA16a9cc9bc45ee04864e55b47631d8b7d55ec4dc47
SHA256a757fdd266a37a6b69d95a6b1de2d9e59a9b7be92d19ddac2d291f4c13623d0c
SHA512e7424d7b69091b6df022ebf1ec6261c941da525c3c0d8e2b9ecc24a7a495fb1c3bcc210095f159940082b8083f595ff5c8f6e78c81dcffbff8e6d1de2c7c3dfe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5f2b94a3638124318d8144b68672e1112
SHA1bbf9fa9417aa0afcb3feeef8822d2b59b7b61c2d
SHA2561114eaedbd2513a7d652359fb6faffd69498897fa38718632bb6e56a46ecc913
SHA51216fa4021079b41604b29a0c1c13a134a892da9c7aa5c810fd1049321507a0a6768b4d9b92ac2e9aa7509426ff4df1af54a037ea0b60cd1265b7f60f33986daf1
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Filesize
4.2MB
MD5aa79e0d2728845087c3c4025aef59b2f
SHA155320acd4358eb3fa8d9c5cf6e73da9b65846173
SHA256d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c
SHA512c1b9e7a694c9b1f8bb98f61efeea923a3f86d57c32e24c62d6b3a74fe2e7aa41fd9189ff04ff6728ffbd12bd6beee722ed6525ca9419f02607c4fac2a361a61b
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Filesize
4.2MB
MD5aa79e0d2728845087c3c4025aef59b2f
SHA155320acd4358eb3fa8d9c5cf6e73da9b65846173
SHA256d825cbdd7a4e9a6e5e3d3198140c054f5be1e76ba04a3f58439e13087860bc6c
SHA512c1b9e7a694c9b1f8bb98f61efeea923a3f86d57c32e24c62d6b3a74fe2e7aa41fd9189ff04ff6728ffbd12bd6beee722ed6525ca9419f02607c4fac2a361a61b