Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-1703_x64 -
resource
win10-20231023-en -
resource tags
arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system -
submitted
05/11/2023, 23:47
Static task
static1
General
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Target
3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe
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Size
4.1MB
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MD5
eadc21f0a39ba2c3377544f5032e2272
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SHA1
2d99408f617b487a64696e142939cedfa608d0ef
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SHA256
3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9
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SHA512
c46e34d92daca6cc9dd0aa4bf2471d3349563b00c3616b097f7c0cf85c1be591caeab6bc5303bb21d3a4daca02e38de50ec37fc153865df44c9bc95c6c8139e8
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SSDEEP
98304:4zzgp6GQNlf8HsrrJCWNLEQRAULgKzQRNXjdwE0:V81lzrRAQRAULgNRVhwD
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/3068-2-0x0000000002F40000-0x000000000382B000-memory.dmp family_glupteba behavioral1/memory/3068-3-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3068-68-0x0000000002F40000-0x000000000382B000-memory.dmp family_glupteba behavioral1/memory/3068-69-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3068-71-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3068-307-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4420-310-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4420-489-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4420-821-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/4420-1055-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3748-1058-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3748-1307-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3748-1580-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3748-1806-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3748-1814-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3748-1816-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3748-1818-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3748-1820-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3748-1822-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3748-1824-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba behavioral1/memory/3748-1826-0x0000000000400000-0x0000000000D1B000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 4596 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3748 csrss.exe 3492 injector.exe 4812 windefender.exe 3232 windefender.exe -
resource yara_rule behavioral1/files/0x000700000001abb3-1809.dat upx behavioral1/files/0x000700000001abb3-1811.dat upx behavioral1/files/0x000700000001abb3-1812.dat upx behavioral1/memory/4812-1813-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3232-1815-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3232-1819-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe = "0" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2184424523-918736138-622003966-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\S-1-5-21-2184424523-918736138-622003966-1000\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 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 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 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe File created C:\Windows\rss\csrss.exe 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1476 sc.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 2068 schtasks.exe 1784 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\1a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\1a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.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\1a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.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\1a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 200 powershell.exe 200 powershell.exe 200 powershell.exe 3068 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 3068 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 4132 powershell.exe 4132 powershell.exe 4132 powershell.exe 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 3384 powershell.exe 3384 powershell.exe 3384 powershell.exe 4240 powershell.exe 4240 powershell.exe 4240 powershell.exe 4680 powershell.exe 4680 powershell.exe 4680 powershell.exe 2268 powershell.exe 2268 powershell.exe 2268 powershell.exe 3248 powershell.exe 3248 powershell.exe 3248 powershell.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3748 csrss.exe 3748 csrss.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3748 csrss.exe 3748 csrss.exe 3748 csrss.exe 3748 csrss.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe 3492 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 200 powershell.exe Token: SeDebugPrivilege 3068 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Token: SeImpersonatePrivilege 3068 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe Token: SeDebugPrivilege 4132 powershell.exe Token: SeDebugPrivilege 3384 powershell.exe Token: SeDebugPrivilege 4240 powershell.exe Token: SeDebugPrivilege 4680 powershell.exe Token: SeDebugPrivilege 2268 powershell.exe Token: SeDebugPrivilege 3248 powershell.exe Token: SeSystemEnvironmentPrivilege 3748 csrss.exe Token: SeSecurityPrivilege 1476 sc.exe Token: SeSecurityPrivilege 1476 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3068 wrote to memory of 200 3068 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 72 PID 3068 wrote to memory of 200 3068 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 72 PID 3068 wrote to memory of 200 3068 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 72 PID 4420 wrote to memory of 4132 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 77 PID 4420 wrote to memory of 4132 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 77 PID 4420 wrote to memory of 4132 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 77 PID 4420 wrote to memory of 5076 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 80 PID 4420 wrote to memory of 5076 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 80 PID 5076 wrote to memory of 4596 5076 cmd.exe 81 PID 5076 wrote to memory of 4596 5076 cmd.exe 81 PID 4420 wrote to memory of 3384 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 82 PID 4420 wrote to memory of 3384 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 82 PID 4420 wrote to memory of 3384 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 82 PID 4420 wrote to memory of 4240 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 85 PID 4420 wrote to memory of 4240 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 85 PID 4420 wrote to memory of 4240 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 85 PID 4420 wrote to memory of 3748 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 86 PID 4420 wrote to memory of 3748 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 86 PID 4420 wrote to memory of 3748 4420 3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe 86 PID 3748 wrote to memory of 4680 3748 csrss.exe 87 PID 3748 wrote to memory of 4680 3748 csrss.exe 87 PID 3748 wrote to memory of 4680 3748 csrss.exe 87 PID 3748 wrote to memory of 2268 3748 csrss.exe 94 PID 3748 wrote to memory of 2268 3748 csrss.exe 94 PID 3748 wrote to memory of 2268 3748 csrss.exe 94 PID 3748 wrote to memory of 3248 3748 csrss.exe 96 PID 3748 wrote to memory of 3248 3748 csrss.exe 96 PID 3748 wrote to memory of 3248 3748 csrss.exe 96 PID 3748 wrote to memory of 3492 3748 csrss.exe 98 PID 3748 wrote to memory of 3492 3748 csrss.exe 98 PID 4812 wrote to memory of 1692 4812 windefender.exe 105 PID 4812 wrote to memory of 1692 4812 windefender.exe 105 PID 4812 wrote to memory of 1692 4812 windefender.exe 105 PID 1692 wrote to memory of 1476 1692 cmd.exe 106 PID 1692 wrote to memory of 1476 1692 cmd.exe 106 PID 1692 wrote to memory of 1476 1692 cmd.exe 106 -
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\3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe"C:\Users\Admin\AppData\Local\Temp\3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:200
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C:\Users\Admin\AppData\Local\Temp\3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.exe"C:\Users\Admin\AppData\Local\Temp\3b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9.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:4420 -
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:4132
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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:5076 -
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:4596
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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:3384
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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:4240
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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:3748 -
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:4680
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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:2068
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4196
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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:2268
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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:3248
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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:3492
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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:1784
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4812 -
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:1692 -
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:1476
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3232
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
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5d1dc33ac0bef981dd30a053cd148f5af
SHA125d9958f07979aa4f60bf58eee6733171a8a89e3
SHA2567149c8adfdaabe5f39decd59721324eccbeda8e1b2e7cdd6633a161313112690
SHA512f753e9f6eaced5c278a0aa1f4d7fa9b564c395a02adff4f697f64e72ea74c64bb06859f78f6b8abf80cc0a023c25c61bfcf3ca203b56d91c7dea5cce68fd5749
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD504531d289e0fc2bb49e2d180f4c02f31
SHA12736353ada5771b8fe1e539cf78b62d21a9ab58a
SHA25613964c76a9ad076cc8c956490e7a91b5611c03bed73531af440d87ef2221fd2b
SHA512a7c0367ce8a2423f1c2a4211f1090b28f7076e57cd87ce399e0e1d2006bd255ef549d99db1b4076c1ee84c4c64f7107be67dfe37f539c7418edb9c84b21166d1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5dabf62469a1ea42098437df759443490
SHA137a3ffebe7c44b7ceafc9cf89b6f8d4c189e633c
SHA25607af00b197a452e0dd4398df8277c91c89ba9ef3450a8fc33284f55a07cfab61
SHA512018891038eaf5619e03a0f53a864c44f5b8b9528afc0b44f43fd4dec8452cc450440b08d3a2057801f7b9aef9e1b3be56cea1b7d6a47f2b13cfa80b63bb8cf8d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5bbdf1883ff41851ae74678588b9e1a0c
SHA1428a273e121677263b1cc9464cf2f17772eb8b41
SHA256f2316efeb372206e2b38a373e274e0c7851977d7ffb44da8c87b333aa6725f08
SHA5121ff93c9f15ee4aa8492d442384339e348a7d86bb5cbc02eec1e956407995664b4035ea251fd0e14d9adada3419ef0dd2b12ed1a16eac5b1fc42946c2cc071c64
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5596dd536fca05b09327a10e78d0b6df8
SHA1586c3e8926cd77d071e8432cbb2b0635f16d9149
SHA25642f7c75311b7473fcc5aac47d0701e771dd42033466bdb258d09777e8c97accd
SHA512bc11eaf4f358eb210a42d4bf01832938f753f44259f560b9a7ad1db4709e470c927bb465024a4a8f9aed0992163f4f944528836a59c4ea59265e45e5a8c34330
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Filesize
4.1MB
MD5eadc21f0a39ba2c3377544f5032e2272
SHA12d99408f617b487a64696e142939cedfa608d0ef
SHA2563b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9
SHA512c46e34d92daca6cc9dd0aa4bf2471d3349563b00c3616b097f7c0cf85c1be591caeab6bc5303bb21d3a4daca02e38de50ec37fc153865df44c9bc95c6c8139e8
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Filesize
4.1MB
MD5eadc21f0a39ba2c3377544f5032e2272
SHA12d99408f617b487a64696e142939cedfa608d0ef
SHA2563b912547edd9ac6c5dca6665eea533818bc0c2bc589f275ea13434b52a1296e9
SHA512c46e34d92daca6cc9dd0aa4bf2471d3349563b00c3616b097f7c0cf85c1be591caeab6bc5303bb21d3a4daca02e38de50ec37fc153865df44c9bc95c6c8139e8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec