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Analysis
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max time kernel
149s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 02:41
Static task
static1
Behavioral task
behavioral1
Sample
5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe
Resource
win10v2004-20240508-en
General
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Target
5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe
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Size
4.1MB
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MD5
cd27478708d52b5906b883ab1808fc9c
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SHA1
a239293d34b3ca2a82cbe2fd5c9fba306bdd2ff2
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SHA256
5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36
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SHA512
ca719f381aa6de9d1f93a7dacbab90f74d65a8b0b344350985eee68b5e3fd8aa5bb1242128d1266fafce228868fb57dc835c76d82f8e73c9f6b822eee25b9bcd
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SSDEEP
98304:ZfsdILB1z+czP6vFwxOfxByAjC8mnlr38XwlJoC4oLZ+Kx7:l91zBzPaFCoOzr3jJoDoLZ+U7
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/1528-2-0x00000000049E0000-0x00000000052CB000-memory.dmp family_glupteba behavioral1/memory/1528-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1528-77-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1528-127-0x00000000049E0000-0x00000000052CB000-memory.dmp family_glupteba behavioral1/memory/4392-126-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/4392-132-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1528-147-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1156-210-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1156-218-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1156-229-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1156-231-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1156-234-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1156-238-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1156-241-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1156-244-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1156-246-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1156-250-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1156-253-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1156-256-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba behavioral1/memory/1156-258-0x0000000000400000-0x0000000002957000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2024 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1156 csrss.exe 4892 injector.exe 1604 windefender.exe 5080 windefender.exe -
resource yara_rule behavioral1/files/0x000a000000022ae4-221.dat upx behavioral1/memory/1604-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5080-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1604-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5080-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5080-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5080-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe File created C:\Windows\rss\csrss.exe 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.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 2324 sc.exe -
pid Process 3108 powershell.exe 1560 powershell.exe 608 powershell.exe 2360 powershell.exe 1800 powershell.exe 3316 powershell.exe 4684 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 3664 schtasks.exe 2164 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,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.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\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal 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" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3316 powershell.exe 3316 powershell.exe 1528 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 1528 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 4684 powershell.exe 4684 powershell.exe 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 3108 powershell.exe 3108 powershell.exe 1560 powershell.exe 1560 powershell.exe 608 powershell.exe 608 powershell.exe 2360 powershell.exe 2360 powershell.exe 1800 powershell.exe 1800 powershell.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 1156 csrss.exe 1156 csrss.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 1156 csrss.exe 1156 csrss.exe 4892 injector.exe 4892 injector.exe 1156 csrss.exe 1156 csrss.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe 4892 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3316 powershell.exe Token: SeDebugPrivilege 1528 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Token: SeImpersonatePrivilege 1528 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe Token: SeDebugPrivilege 4684 powershell.exe Token: SeDebugPrivilege 3108 powershell.exe Token: SeDebugPrivilege 1560 powershell.exe Token: SeDebugPrivilege 608 powershell.exe Token: SeDebugPrivilege 2360 powershell.exe Token: SeDebugPrivilege 1800 powershell.exe Token: SeSystemEnvironmentPrivilege 1156 csrss.exe Token: SeSecurityPrivilege 2324 sc.exe Token: SeSecurityPrivilege 2324 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1528 wrote to memory of 3316 1528 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 85 PID 1528 wrote to memory of 3316 1528 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 85 PID 1528 wrote to memory of 3316 1528 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 85 PID 4392 wrote to memory of 4684 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 93 PID 4392 wrote to memory of 4684 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 93 PID 4392 wrote to memory of 4684 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 93 PID 4392 wrote to memory of 2476 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 95 PID 4392 wrote to memory of 2476 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 95 PID 2476 wrote to memory of 2024 2476 cmd.exe 97 PID 2476 wrote to memory of 2024 2476 cmd.exe 97 PID 4392 wrote to memory of 3108 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 98 PID 4392 wrote to memory of 3108 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 98 PID 4392 wrote to memory of 3108 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 98 PID 4392 wrote to memory of 1560 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 100 PID 4392 wrote to memory of 1560 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 100 PID 4392 wrote to memory of 1560 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 100 PID 4392 wrote to memory of 1156 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 102 PID 4392 wrote to memory of 1156 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 102 PID 4392 wrote to memory of 1156 4392 5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe 102 PID 1156 wrote to memory of 608 1156 csrss.exe 103 PID 1156 wrote to memory of 608 1156 csrss.exe 103 PID 1156 wrote to memory of 608 1156 csrss.exe 103 PID 1156 wrote to memory of 2360 1156 csrss.exe 109 PID 1156 wrote to memory of 2360 1156 csrss.exe 109 PID 1156 wrote to memory of 2360 1156 csrss.exe 109 PID 1156 wrote to memory of 1800 1156 csrss.exe 111 PID 1156 wrote to memory of 1800 1156 csrss.exe 111 PID 1156 wrote to memory of 1800 1156 csrss.exe 111 PID 1156 wrote to memory of 4892 1156 csrss.exe 113 PID 1156 wrote to memory of 4892 1156 csrss.exe 113 PID 1604 wrote to memory of 2284 1604 windefender.exe 120 PID 1604 wrote to memory of 2284 1604 windefender.exe 120 PID 1604 wrote to memory of 2284 1604 windefender.exe 120 PID 2284 wrote to memory of 2324 2284 cmd.exe 121 PID 2284 wrote to memory of 2324 2284 cmd.exe 121 PID 2284 wrote to memory of 2324 2284 cmd.exe 121 -
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\5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe"C:\Users\Admin\AppData\Local\Temp\5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3316
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C:\Users\Admin\AppData\Local\Temp\5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.exe"C:\Users\Admin\AppData\Local\Temp\5af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36.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:4392 -
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:4684
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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:2476 -
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:2024
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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:3108
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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:1560
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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:1156 -
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:608
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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:3664
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4992
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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:2360
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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:1800
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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:4892
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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:2164
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1604 -
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:2284 -
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:2324
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5080
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
MD547e1e850fa592e6875231bdc513e085c
SHA19f20e70b66d4221699afe09ac3dab6289bbbc871
SHA256e0c670b0cb2152a28782df72c776f6015e62d1bc472f0d117de5477aa32f8c63
SHA51217bca327e556f0284ff4cf1cbc12dcc0c50c45be3891b7ca6d9450729584fa873fe3da48d8e45299fc50e1940e5ed2c562b7e4fe8c24ba2f38f1e5bd44bf4542
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD532ec8edfb7ff63bf38b10fc96cb2181a
SHA143b6e712f8751f44968471241388248235a6e4b7
SHA2569ffb04754092a93addaab853bf66605ff2c8b5458585be47692d3598132cd90b
SHA51246f47090b0a483dc30b0dba011e8ee44137889eeaa9c458e666edb7f5283816cae84eabe0f602563a7a7be85de428aeb6be9b1ec714af217f23ad744afb824f4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b97cdd83e3b33e04f3b4328514367ae8
SHA1d3898b751a6e889e408a15179749fbee51f90e12
SHA256f0d7cad207c28ab065a485aa56f1ddcbe541b715aa84c34494eb883b3e9f120f
SHA5128f901249d12de8dfd3fd0e9a5996d04a378f3a74b6dc717831e6e878dbbe2193eb49e62828b75a16516240e83c6b585f459a3aa2bc4b9472b98c32f1ee618491
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5195cbc5562a619fe4cc5417d9915e4f7
SHA136089ed53fa8e2bc4a6e9912a59a1085aaf73127
SHA2560f2d839f9d43e73bc4b8b7fe1d3599db6b17edf1413e4b56191078884ce5ea32
SHA51224cbfd64d5e65c4ec2acd5abd9b82e455d24244e267ee528cf1ca6274b4fd549fed500c91a20e4776dc1421fc40fa91fc66e8532e1a63244ef28c5c49c1e6e79
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b1ad571ebfc62a0f3b32bdb0616cfb8a
SHA14296e0c85bdafd4092608cd946b98a69c348e0ca
SHA256114c77d81e99e5d0cfd3fdfd93dffed590e665c20ef2d1ffb065959d373c307f
SHA512d70acebbfdb0e55304551ab1a4089a08472b5b5e08d0e1cf61d08c314b06d17d638589653d9d009527e8a6291bd28522618c287f1fcd443a3957de28a3578c36
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Filesize
4.1MB
MD5cd27478708d52b5906b883ab1808fc9c
SHA1a239293d34b3ca2a82cbe2fd5c9fba306bdd2ff2
SHA2565af3f1c8a250e77274dc40f1096962825cf06117591e399a1996a8a561824e36
SHA512ca719f381aa6de9d1f93a7dacbab90f74d65a8b0b344350985eee68b5e3fd8aa5bb1242128d1266fafce228868fb57dc835c76d82f8e73c9f6b822eee25b9bcd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec