Analysis
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max time kernel
150s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:05
Static task
static1
Behavioral task
behavioral1
Sample
a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe
Resource
win10v2004-20240426-en
General
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Target
a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe
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Size
4.1MB
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MD5
ab3489501b1f4502b14d757d58a693e7
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SHA1
88affec7f490c8af227ce70a9190656f873c2c52
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SHA256
a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef
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SHA512
deaceba8a4b4af60fa7c3d4dd53291eeed2d8dbabe310ccca72013e42fb4602b83674cebbcc3baa23ef107121148a7aa51699b0a2fcacc2152ed998a9b583bde
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SSDEEP
98304:uQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9n0:uQAQcDPYxuCJe7X5ghf0
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2572-2-0x0000000004960000-0x000000000524B000-memory.dmp family_glupteba behavioral1/memory/2572-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2572-105-0x0000000004960000-0x000000000524B000-memory.dmp family_glupteba behavioral1/memory/4952-132-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2572-145-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2572-170-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4532-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4532-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4532-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4532-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4532-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4532-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4532-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4532-243-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4532-246-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4532-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4532-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4532-255-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4532-258-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1412 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4532 csrss.exe 4972 injector.exe 628 windefender.exe 2592 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002344a-219.dat upx behavioral1/memory/628-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2592-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/628-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2592-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2592-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe File created C:\Windows\rss\csrss.exe a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.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 2700 sc.exe -
pid Process 2740 powershell.exe 4652 powershell.exe 752 powershell.exe 1872 powershell.exe 1532 powershell.exe 3868 powershell.exe 1616 powershell.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 3852 schtasks.exe 4232 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.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\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1616 powershell.exe 1616 powershell.exe 2572 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 2572 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 2740 powershell.exe 2740 powershell.exe 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 4652 powershell.exe 4652 powershell.exe 752 powershell.exe 752 powershell.exe 1872 powershell.exe 1872 powershell.exe 1532 powershell.exe 1532 powershell.exe 3868 powershell.exe 3868 powershell.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4532 csrss.exe 4532 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4532 csrss.exe 4532 csrss.exe 4972 injector.exe 4972 injector.exe 4532 csrss.exe 4532 csrss.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe 4972 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 2572 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Token: SeImpersonatePrivilege 2572 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe Token: SeDebugPrivilege 2740 powershell.exe Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 752 powershell.exe Token: SeDebugPrivilege 1872 powershell.exe Token: SeDebugPrivilege 1532 powershell.exe Token: SeDebugPrivilege 3868 powershell.exe Token: SeSystemEnvironmentPrivilege 4532 csrss.exe Token: SeSecurityPrivilege 2700 sc.exe Token: SeSecurityPrivilege 2700 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2572 wrote to memory of 1616 2572 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 84 PID 2572 wrote to memory of 1616 2572 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 84 PID 2572 wrote to memory of 1616 2572 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 84 PID 4952 wrote to memory of 2740 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 92 PID 4952 wrote to memory of 2740 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 92 PID 4952 wrote to memory of 2740 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 92 PID 4952 wrote to memory of 1512 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 100 PID 4952 wrote to memory of 1512 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 100 PID 1512 wrote to memory of 1412 1512 cmd.exe 102 PID 1512 wrote to memory of 1412 1512 cmd.exe 102 PID 4952 wrote to memory of 4652 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 103 PID 4952 wrote to memory of 4652 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 103 PID 4952 wrote to memory of 4652 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 103 PID 4952 wrote to memory of 752 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 105 PID 4952 wrote to memory of 752 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 105 PID 4952 wrote to memory of 752 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 105 PID 4952 wrote to memory of 4532 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 109 PID 4952 wrote to memory of 4532 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 109 PID 4952 wrote to memory of 4532 4952 a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe 109 PID 4532 wrote to memory of 1872 4532 csrss.exe 110 PID 4532 wrote to memory of 1872 4532 csrss.exe 110 PID 4532 wrote to memory of 1872 4532 csrss.exe 110 PID 4532 wrote to memory of 1532 4532 csrss.exe 115 PID 4532 wrote to memory of 1532 4532 csrss.exe 115 PID 4532 wrote to memory of 1532 4532 csrss.exe 115 PID 4532 wrote to memory of 3868 4532 csrss.exe 118 PID 4532 wrote to memory of 3868 4532 csrss.exe 118 PID 4532 wrote to memory of 3868 4532 csrss.exe 118 PID 4532 wrote to memory of 4972 4532 csrss.exe 120 PID 4532 wrote to memory of 4972 4532 csrss.exe 120 PID 628 wrote to memory of 1408 628 windefender.exe 126 PID 628 wrote to memory of 1408 628 windefender.exe 126 PID 628 wrote to memory of 1408 628 windefender.exe 126 PID 1408 wrote to memory of 2700 1408 cmd.exe 127 PID 1408 wrote to memory of 2700 1408 cmd.exe 127 PID 1408 wrote to memory of 2700 1408 cmd.exe 127 -
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\a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe"C:\Users\Admin\AppData\Local\Temp\a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2572 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1616
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C:\Users\Admin\AppData\Local\Temp\a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.exe"C:\Users\Admin\AppData\Local\Temp\a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef.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:4952 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2740
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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:1512 -
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:1412
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4652
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:752
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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:4532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1872
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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:3852
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1232
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1532
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3868
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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:4972
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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:4232
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:628 -
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:1408 -
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:2700
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2592
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59fd1d49c3af0f5813566a692ae0bc3b0
SHA134b7d9b12712c118be42e70c2bca18d19332679a
SHA25667889c8a611be95c9b478ce99259da6f196b7100e651075c29bb039e250c8c93
SHA512ba65f05044b4cc0e501a5295017649fb9d906fea0ec7f401c84fe3e62e82a2eabddbbab820c6af46d96784349b2cced1d4797b7700c47b33856db8d0fe943bd0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ba25b2ea98e8e19ff5dd5b57f69ab7a3
SHA1fe2ff18a0acec52bbb5c54558315a3c83aeea2cf
SHA25661a7357c0474a6cb68278cce65e7be3222e27af4b29eda78e1f8735c4ddb8505
SHA512fd8b50399a70ae2050d39d99e4f08665c27569c99f489ed4d2eb8c24e59f74bf48c00d020f859f3eda7cb95f0459d3eefc0d77e8a42763bd2e69d6da1046dc32
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dafb8a3e0329d6521bf314414d27689c
SHA128ea00b4061c8df44f4b7afa8a138bba1278e211
SHA256e5f43733025908824c360f24271284d487e546f0e5c855f5b89640ca3f1deed6
SHA512061a9eede2fdabd5ef63d42b5b63325475f8eecc3201a06fcf03aacfd08e4ba0fd6b34966b0d6c628491f66bb68f8ff9d80443e0768b50a36701c068305427b3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD576cec7474bc2feea2bc266c1d6a3425e
SHA107dad728e3c4821c2fb7c19ef5963a002f2d6603
SHA25630c7a2846935ab0f93c5fee880670fe07a35c3671232e01b867ab144cb537f5c
SHA512682e37472318285fd9c130c6157f8d70560210f218c64fba628786ea0ad1023ab809dd2a04e01634d541093ec4ef301692c4366c89719d0971a9c5821598af61
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD515ddfdad8603fe7be64520688353feed
SHA1e9d7b4189aad74c7afdb8457ccde58be93500bcb
SHA256097b8bdf46658308bc57a8917d55764e0e258f86070c1396c57ce4a48a361d8b
SHA512493fc24ec1ab14f535357cfad63f1cca3444b0ddd787bacab15635c99e3bfd2e48d711404c35db9981e1708d862215d29362059074a750dbc56bb92cde26d41b
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Filesize
4.1MB
MD5ab3489501b1f4502b14d757d58a693e7
SHA188affec7f490c8af227ce70a9190656f873c2c52
SHA256a14de3337f6a2bcc7a2bcd08bd448a9e91cdebd0e6414ea9c0fc93aef463eaef
SHA512deaceba8a4b4af60fa7c3d4dd53291eeed2d8dbabe310ccca72013e42fb4602b83674cebbcc3baa23ef107121148a7aa51699b0a2fcacc2152ed998a9b583bde
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec