Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 23:45
Static task
static1
Behavioral task
behavioral1
Sample
ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe
Resource
win10v2004-20240508-en
General
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Target
ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe
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Size
4.1MB
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MD5
77036bd07467759ee62c8a19bb532ecb
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SHA1
28a922debc1b68dacc4e712b00227ee83bf35bfc
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SHA256
ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6
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SHA512
b7df8435664f5509bae539ddffc25351893e3d794795b71c6793de6e4c12421cd61a8bcd96de2b4c3b7c6cb27fa065227215f14f1bc43946bcaa1c9818a3e4f1
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SSDEEP
98304:qeUiHluf0rQLB7qDC2cDnv7XkMmFoNL2AuFwfBpDq4kblyNxxbhOzhGD:qgHncLBP5HkIsFwf3u4kByfxbhOY
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/2624-2-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/2624-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2624-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2624-89-0x0000000002E70000-0x000000000375B000-memory.dmp family_glupteba behavioral2/memory/2396-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3048-195-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3048-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3048-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3048-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3048-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3048-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3048-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3048-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3048-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3048-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3048-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3048-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3284 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3048 csrss.exe 3280 injector.exe 4756 windefender.exe 1148 windefender.exe -
resource yara_rule behavioral2/files/0x000400000002aaa4-204.dat upx behavioral2/memory/4756-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1148-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4756-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1148-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1148-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\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 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 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe File created C:\Windows\rss\csrss.exe ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.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 4876 sc.exe -
pid Process 3928 powershell.exe 1720 powershell.exe 2620 powershell.exe 2572 powershell.exe 1472 powershell.exe 2668 powershell.exe 2856 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 4132 schtasks.exe 72 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\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2668 powershell.exe 2668 powershell.exe 2624 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 2624 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 2856 powershell.exe 2856 powershell.exe 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 3928 powershell.exe 3928 powershell.exe 1720 powershell.exe 1720 powershell.exe 2620 powershell.exe 2620 powershell.exe 2572 powershell.exe 2572 powershell.exe 1472 powershell.exe 1472 powershell.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3048 csrss.exe 3048 csrss.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3048 csrss.exe 3048 csrss.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3048 csrss.exe 3048 csrss.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe 3280 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2668 powershell.exe Token: SeDebugPrivilege 2624 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Token: SeImpersonatePrivilege 2624 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe Token: SeDebugPrivilege 2856 powershell.exe Token: SeDebugPrivilege 3928 powershell.exe Token: SeDebugPrivilege 1720 powershell.exe Token: SeDebugPrivilege 2620 powershell.exe Token: SeDebugPrivilege 2572 powershell.exe Token: SeDebugPrivilege 1472 powershell.exe Token: SeSystemEnvironmentPrivilege 3048 csrss.exe Token: SeSecurityPrivilege 4876 sc.exe Token: SeSecurityPrivilege 4876 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2624 wrote to memory of 2668 2624 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 81 PID 2624 wrote to memory of 2668 2624 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 81 PID 2624 wrote to memory of 2668 2624 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 81 PID 2396 wrote to memory of 2856 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 86 PID 2396 wrote to memory of 2856 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 86 PID 2396 wrote to memory of 2856 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 86 PID 2396 wrote to memory of 2960 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 88 PID 2396 wrote to memory of 2960 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 88 PID 2960 wrote to memory of 3284 2960 cmd.exe 90 PID 2960 wrote to memory of 3284 2960 cmd.exe 90 PID 2396 wrote to memory of 3928 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 91 PID 2396 wrote to memory of 3928 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 91 PID 2396 wrote to memory of 3928 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 91 PID 2396 wrote to memory of 1720 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 93 PID 2396 wrote to memory of 1720 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 93 PID 2396 wrote to memory of 1720 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 93 PID 2396 wrote to memory of 3048 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 95 PID 2396 wrote to memory of 3048 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 95 PID 2396 wrote to memory of 3048 2396 ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe 95 PID 3048 wrote to memory of 2620 3048 csrss.exe 96 PID 3048 wrote to memory of 2620 3048 csrss.exe 96 PID 3048 wrote to memory of 2620 3048 csrss.exe 96 PID 3048 wrote to memory of 2572 3048 csrss.exe 102 PID 3048 wrote to memory of 2572 3048 csrss.exe 102 PID 3048 wrote to memory of 2572 3048 csrss.exe 102 PID 3048 wrote to memory of 1472 3048 csrss.exe 104 PID 3048 wrote to memory of 1472 3048 csrss.exe 104 PID 3048 wrote to memory of 1472 3048 csrss.exe 104 PID 3048 wrote to memory of 3280 3048 csrss.exe 106 PID 3048 wrote to memory of 3280 3048 csrss.exe 106 PID 4756 wrote to memory of 3568 4756 windefender.exe 113 PID 4756 wrote to memory of 3568 4756 windefender.exe 113 PID 4756 wrote to memory of 3568 4756 windefender.exe 113 PID 3568 wrote to memory of 4876 3568 cmd.exe 114 PID 3568 wrote to memory of 4876 3568 cmd.exe 114 PID 3568 wrote to memory of 4876 3568 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe"C:\Users\Admin\AppData\Local\Temp\ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2668
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C:\Users\Admin\AppData\Local\Temp\ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.exe"C:\Users\Admin\AppData\Local\Temp\ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6.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:2396 -
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:2856
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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:2960 -
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:3284
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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:3928
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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:1720
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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:3048 -
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:2620
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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:4132
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2980
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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:2572
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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:1472
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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:3280
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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:72
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4756 -
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:3568 -
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:4876
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1148
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56230ba0dfcb65862d6df556e9b49bfe5
SHA1db3a14308b6623f39e7c34dbcab98b70fade7a74
SHA2565a78b0e8882780383130e5d7ba4898a0f903df233a5197e86788750ff0355f22
SHA51244f8a5d0f799c912e9db816f914ba732a67106dbffe9c940322470a6ea5af9c05ccb114a2eca1abe7c26206559e03857e23732caa4d3cbb0076b17eb6e25db02
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f1868b2ede8a2a03f31dfe5d41c20d5
SHA1e46ad8d3df020325c50909ad120a7c141943df02
SHA25615a696f1814036b01ef1c92293d16acda5bb77abaedbfe073b75f59461cc9273
SHA5124fd134afa354cc36253a7c86d2b90f77afd2a6303cb5a20a18d167fba621be408520c9936cffdc0d57ef4902ea77a6923de5817de08c2323529ea127b5479ca7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD552b17d676a92d8c235457df6524fb164
SHA1faa5f6b781933fbca13b23692bfaa9574c9f1fe2
SHA256d88c12277aa51e9238a1f7995049492b3f140fccad895cbdd4332ae55d9ab9fd
SHA51218441c4faa6591301be9365aa3a0dcd76e94f1994c667093ee63c181a1a1343c2cfa9ac34832a08cb00813ea68b447048205dcd96fc898270c92b1f512819966
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53464cc14b5823cddbc3c2814737f0e11
SHA1a5677e5bbbac0fbef78686837e9644f32a0a9458
SHA2560db4affdc3de3c16b89fd74919a0349c49c2ff761643368576cb0570d5b29263
SHA5129c53c755e50e33071006d88cf7e4fe42209b0302a105cecdfeb1df86c6d9f5e9d77fc8e0f8fbcecad8d003d99b1bc5b01f5663e78f0f4cd7f46a68d6504d22c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5040cfc20bcfb1f6277996dcb89f92b6a
SHA1e3ce79d548bb6603566577484ceb588c35a88b81
SHA25615a0659c474714f7a6ffebffbfcefaf350fa46f979d7dcfb078722b4dd439d57
SHA512e6cd88166b797c55e4221bcb44b5708ee3717163641746593fa8c297fa94eb9b57fe4910bb88c3228d5e02628b742375418bf3ccbe4b0cccff177109f3bd5679
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Filesize
4.1MB
MD577036bd07467759ee62c8a19bb532ecb
SHA128a922debc1b68dacc4e712b00227ee83bf35bfc
SHA256ea959a87319d46e7395d4a3ac79dd4bfa526a0c84a5c1a83544a269b7d0f9fa6
SHA512b7df8435664f5509bae539ddffc25351893e3d794795b71c6793de6e4c12421cd61a8bcd96de2b4c3b7c6cb27fa065227215f14f1bc43946bcaa1c9818a3e4f1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec