Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 04:25
Static task
static1
Behavioral task
behavioral1
Sample
05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe
Resource
win10v2004-20240508-en
General
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Target
05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe
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Size
4.1MB
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MD5
9b5c65a422aecaefb9b91b91f784b6be
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SHA1
16c39d97134485b143564bd1c768b1f6698acdbb
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SHA256
05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062
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SHA512
495f9ef1746ce09fb3037500c06f3ddc39f9ab8ac11c7ad1f9f76eff84a00e22b4dc6c04893751562535ec853d157445affb345a4f08024971f62cee61dd8985
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SSDEEP
98304:Z96GAmuNBigEkoqfZTwC6uGlBZNljS4jcw:ZI9hoq9wC6uGlB/xgw
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/3940-2-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/3940-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3940-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3940-55-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/1708-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1956-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3344 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1956 csrss.exe 1560 injector.exe 3616 windefender.exe 2568 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023622-223.dat upx behavioral1/memory/3616-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2568-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3616-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2568-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2568-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe File created C:\Windows\rss\csrss.exe 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.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 2416 sc.exe -
pid Process 3456 powershell.exe 1788 powershell.exe 2968 powershell.exe 4724 powershell.exe 3336 powershell.exe 3844 powershell.exe 3268 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 2680 schtasks.exe 3648 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal 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" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-401 = "Arabic Daylight Time" windefender.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\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.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\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3844 powershell.exe 3844 powershell.exe 3844 powershell.exe 3940 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 3940 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 3268 powershell.exe 3268 powershell.exe 3268 powershell.exe 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 3456 powershell.exe 3456 powershell.exe 3456 powershell.exe 1788 powershell.exe 1788 powershell.exe 1788 powershell.exe 2968 powershell.exe 2968 powershell.exe 2968 powershell.exe 4724 powershell.exe 4724 powershell.exe 4724 powershell.exe 3336 powershell.exe 3336 powershell.exe 3336 powershell.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1956 csrss.exe 1956 csrss.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1956 csrss.exe 1956 csrss.exe 1560 injector.exe 1560 injector.exe 1956 csrss.exe 1956 csrss.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe 1560 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3844 powershell.exe Token: SeDebugPrivilege 3940 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Token: SeImpersonatePrivilege 3940 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe Token: SeDebugPrivilege 3268 powershell.exe Token: SeDebugPrivilege 3456 powershell.exe Token: SeDebugPrivilege 1788 powershell.exe Token: SeDebugPrivilege 2968 powershell.exe Token: SeDebugPrivilege 4724 powershell.exe Token: SeDebugPrivilege 3336 powershell.exe Token: SeSystemEnvironmentPrivilege 1956 csrss.exe Token: SeSecurityPrivilege 2416 sc.exe Token: SeSecurityPrivilege 2416 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3940 wrote to memory of 3844 3940 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 94 PID 3940 wrote to memory of 3844 3940 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 94 PID 3940 wrote to memory of 3844 3940 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 94 PID 1708 wrote to memory of 3268 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 105 PID 1708 wrote to memory of 3268 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 105 PID 1708 wrote to memory of 3268 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 105 PID 1708 wrote to memory of 232 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 108 PID 1708 wrote to memory of 232 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 108 PID 232 wrote to memory of 3344 232 cmd.exe 110 PID 232 wrote to memory of 3344 232 cmd.exe 110 PID 1708 wrote to memory of 3456 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 111 PID 1708 wrote to memory of 3456 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 111 PID 1708 wrote to memory of 3456 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 111 PID 1708 wrote to memory of 1788 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 114 PID 1708 wrote to memory of 1788 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 114 PID 1708 wrote to memory of 1788 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 114 PID 1708 wrote to memory of 1956 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 116 PID 1708 wrote to memory of 1956 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 116 PID 1708 wrote to memory of 1956 1708 05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe 116 PID 1956 wrote to memory of 2968 1956 csrss.exe 117 PID 1956 wrote to memory of 2968 1956 csrss.exe 117 PID 1956 wrote to memory of 2968 1956 csrss.exe 117 PID 1956 wrote to memory of 4724 1956 csrss.exe 122 PID 1956 wrote to memory of 4724 1956 csrss.exe 122 PID 1956 wrote to memory of 4724 1956 csrss.exe 122 PID 1956 wrote to memory of 3336 1956 csrss.exe 125 PID 1956 wrote to memory of 3336 1956 csrss.exe 125 PID 1956 wrote to memory of 3336 1956 csrss.exe 125 PID 1956 wrote to memory of 1560 1956 csrss.exe 127 PID 1956 wrote to memory of 1560 1956 csrss.exe 127 PID 3616 wrote to memory of 4480 3616 windefender.exe 135 PID 3616 wrote to memory of 4480 3616 windefender.exe 135 PID 3616 wrote to memory of 4480 3616 windefender.exe 135 PID 4480 wrote to memory of 2416 4480 cmd.exe 136 PID 4480 wrote to memory of 2416 4480 cmd.exe 136 PID 4480 wrote to memory of 2416 4480 cmd.exe 136 -
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\05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe"C:\Users\Admin\AppData\Local\Temp\05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3940 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3844
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C:\Users\Admin\AppData\Local\Temp\05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.exe"C:\Users\Admin\AppData\Local\Temp\05e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062.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:1708 -
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:3268
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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:232 -
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:3344
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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:3456
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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:1788
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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:1956 -
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:2968
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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:2680
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1504
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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:4724
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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:3336
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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:1560
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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:3648
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3616 -
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:4480 -
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:2416
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4456,i,15142778360084620907,1763097090506261076,262144 --variations-seed-version --mojo-platform-channel-handle=4428 /prefetch:81⤵PID:1136
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2568
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53d451114d7001056522e38956dd4f62d
SHA14f5d8daa9d7e1388df47350b50f61ee63902046f
SHA2567300f6b7a467681f33fc35b7f76437581d327cd71dacaff52760f71841e1e071
SHA512288d530843eb22977a635fec2bd6f4bf6683bb4e6031414ad88ae1513bd3b1f7bf5e7651dab03e678d090fe3007fafc3a0fecb1860c501ae59581b491bf3e703
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD512cd40641c2ae5fe2066905d4772eee3
SHA1dcee2081e3173428a56c1e39148b4c41d22a1590
SHA2560c1313700bf007fa05a95f6833730da6e94440ee1a95a7b85662873a868808c1
SHA512504ea26fc643b56e5cc028c37015ee1972bf65872293fd7eb7bea0a3afd35d39d567de8946d36bf48b9c52d31ad619fbfc8bfaea9829fc75a83152cff6faae44
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ec744231b79e1bfb2e3616a9f34a923b
SHA16d3d4bd8908663af85d6aa6dda833382dd1d276b
SHA25634e76830e7a806455799d089246116283362c4f7cebd925c63191c1ce0c4ea84
SHA512948b31da41a4f4ac9f55a91073d86b3a054a0e041a1285302324af17fc05822e8193ec1ad8dd398ad1b8f4981f359c4adef4af133049c06b536265dd9462ee6d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e8b67ebc06a4db9657939ea3303ff5f1
SHA1fd5b23437463e133ece848630a0dae55f31de761
SHA256b51eb95024e9c004c41efa9cdcec2ec27a593a5fb884d4d693f6cc6e1e88dd31
SHA5129126ce057793804520d8d117b874685181e16d5bb6c90dd8f6210ff35184968d2a4ab9da0d03e1756ca1f787e0a8c06226f4d8f5f5a932176fd2654c5979daee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50892b63f7d73ccf2b687c2ef6ee56e4b
SHA1b569a82ed33968f0342872ead5b3d82fab016ef7
SHA256434240fbf936c1c393dfd406bbd6a23c04d01683d3778c477120fa9100a277da
SHA512fc706943772359a47d8aea404e0e5c6ca6ebb2c6799b219f00d26b2f89d983e81c888b65af5ec776b4ef658c20c6b155bb4f800d05a3de35645d409302261904
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Filesize
4.1MB
MD59b5c65a422aecaefb9b91b91f784b6be
SHA116c39d97134485b143564bd1c768b1f6698acdbb
SHA25605e3fc3b5bfc90cc123e56eca24f71ecaaa0831371fc8345b46e9091a7c0b062
SHA512495f9ef1746ce09fb3037500c06f3ddc39f9ab8ac11c7ad1f9f76eff84a00e22b4dc6c04893751562535ec853d157445affb345a4f08024971f62cee61dd8985
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec