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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19/05/2024, 01:55
Static task
static1
Behavioral task
behavioral1
Sample
933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe
Resource
win10v2004-20240426-en
General
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Target
933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe
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Size
4.1MB
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MD5
057b3745ef1a3b5fb23528221b53fe76
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SHA1
7e3d63e83bb6dd1d0723cb4da937f86d92b62d3e
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SHA256
933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29
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SHA512
7c06dcd2c2688ffcdab61ef3697316d4b29527e2263c7f37e5a2c20d313b8311d6ef031215d90beae128c0d879166749fa4495b644c92b15264f76db21a9c89c
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SSDEEP
98304:UrbgSYZm0VZ47d2LjXdY+WeqK35WW/TEhU3Gu22D:UrcnZFqd2LRPP3hYhQZD
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4624-2-0x00000000044C0000-0x0000000004DAB000-memory.dmp family_glupteba behavioral2/memory/4624-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4624-74-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/4624-118-0x00000000044C0000-0x0000000004DAB000-memory.dmp family_glupteba behavioral2/memory/1316-119-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1316-125-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/4624-147-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1952-195-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1952-205-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1952-213-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1952-216-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1952-219-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1952-223-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1952-226-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1952-228-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1952-231-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1952-235-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1952-238-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1952-240-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba behavioral2/memory/1952-243-0x0000000000400000-0x0000000002361000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3000 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1952 csrss.exe 4676 injector.exe 2720 windefender.exe 1772 windefender.exe -
resource yara_rule behavioral2/files/0x000500000002a9d1-204.dat upx behavioral2/memory/2720-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1772-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2720-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1772-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1772-221-0x0000000000400000-0x00000000008DF000-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\"" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.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\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 File created 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 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1464 sc.exe -
pid Process 4528 powershell.exe 2180 powershell.exe 3276 powershell.exe 4564 powershell.exe 2748 powershell.exe 1076 powershell.exe 2536 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 764 schtasks.exe 1532 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,-662 = "Cen. Australia Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.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,-752 = "Tonga Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\Microsoft\SystemCertificates\trust 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\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.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" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.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" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3276 powershell.exe 3276 powershell.exe 4624 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 4624 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 4564 powershell.exe 4564 powershell.exe 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 2748 powershell.exe 2748 powershell.exe 1076 powershell.exe 1076 powershell.exe 2536 powershell.exe 2536 powershell.exe 4528 powershell.exe 4528 powershell.exe 2180 powershell.exe 2180 powershell.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 1952 csrss.exe 1952 csrss.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 1952 csrss.exe 1952 csrss.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 1952 csrss.exe 1952 csrss.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe 4676 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3276 powershell.exe Token: SeDebugPrivilege 4624 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Token: SeImpersonatePrivilege 4624 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe Token: SeDebugPrivilege 4564 powershell.exe Token: SeDebugPrivilege 2748 powershell.exe Token: SeDebugPrivilege 1076 powershell.exe Token: SeDebugPrivilege 2536 powershell.exe Token: SeDebugPrivilege 4528 powershell.exe Token: SeDebugPrivilege 2180 powershell.exe Token: SeSystemEnvironmentPrivilege 1952 csrss.exe Token: SeSecurityPrivilege 1464 sc.exe Token: SeSecurityPrivilege 1464 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4624 wrote to memory of 3276 4624 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 81 PID 4624 wrote to memory of 3276 4624 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 81 PID 4624 wrote to memory of 3276 4624 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 81 PID 1316 wrote to memory of 4564 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 89 PID 1316 wrote to memory of 4564 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 89 PID 1316 wrote to memory of 4564 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 89 PID 1316 wrote to memory of 3416 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 91 PID 1316 wrote to memory of 3416 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 91 PID 3416 wrote to memory of 3000 3416 cmd.exe 93 PID 3416 wrote to memory of 3000 3416 cmd.exe 93 PID 1316 wrote to memory of 2748 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 94 PID 1316 wrote to memory of 2748 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 94 PID 1316 wrote to memory of 2748 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 94 PID 1316 wrote to memory of 1076 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 96 PID 1316 wrote to memory of 1076 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 96 PID 1316 wrote to memory of 1076 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 96 PID 1316 wrote to memory of 1952 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 98 PID 1316 wrote to memory of 1952 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 98 PID 1316 wrote to memory of 1952 1316 933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe 98 PID 1952 wrote to memory of 2536 1952 csrss.exe 99 PID 1952 wrote to memory of 2536 1952 csrss.exe 99 PID 1952 wrote to memory of 2536 1952 csrss.exe 99 PID 1952 wrote to memory of 4528 1952 csrss.exe 104 PID 1952 wrote to memory of 4528 1952 csrss.exe 104 PID 1952 wrote to memory of 4528 1952 csrss.exe 104 PID 1952 wrote to memory of 2180 1952 csrss.exe 107 PID 1952 wrote to memory of 2180 1952 csrss.exe 107 PID 1952 wrote to memory of 2180 1952 csrss.exe 107 PID 1952 wrote to memory of 4676 1952 csrss.exe 109 PID 1952 wrote to memory of 4676 1952 csrss.exe 109 PID 2720 wrote to memory of 4580 2720 windefender.exe 116 PID 2720 wrote to memory of 4580 2720 windefender.exe 116 PID 2720 wrote to memory of 4580 2720 windefender.exe 116 PID 4580 wrote to memory of 1464 4580 cmd.exe 117 PID 4580 wrote to memory of 1464 4580 cmd.exe 117 PID 4580 wrote to memory of 1464 4580 cmd.exe 117 -
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\933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe"C:\Users\Admin\AppData\Local\Temp\933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3276
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C:\Users\Admin\AppData\Local\Temp\933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.exe"C:\Users\Admin\AppData\Local\Temp\933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29.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:1316 -
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:4564
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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:3416 -
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:3000
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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:2748
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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:1076
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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:1952 -
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:2536
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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:764
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1828
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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:4528
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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:2180
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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:4676
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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:1532
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2720 -
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:4580 -
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:1464
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1772
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
MD56b7da99ea907cd442c913782de999fcb
SHA1fba22b32fcc9443b4d4629197b3346e8eeba1ce1
SHA256ca4e58e5a99c06b4269045314f0d5f84e422cd503882d158afcd1f7b730cedae
SHA5121fb13a0e5a09772fc906a70e15f238f60002d78e6a5f41b14138aead21d0dbb4898d928ad584be70b9c79e1cbe67df18c73d678e545de3db159213c7c55d16b5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c50885920a4c358499b81f50cc212df
SHA1f8cfe4f85c41755a794c012e2c4d417b54377a76
SHA256e50c5f400939ba3be86f242d2388fa01e1c85d5f4c3ece83ca13e16d27cdab06
SHA5121bd8bfd68a7c3b2e453eb73ff6dfa170ea3ce52cd120daa0f3186d6328bf85ffbc3291f4aea631ed00cfbb280d177550e11fa4e38a5ac340a580a03e00287881
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dab6aedbe9168699238cfb7b13eda972
SHA1cdaf5cd08bae7e687e75da769b5ba78ef2d45e1d
SHA25602edcb7cb1ce4ac4fea655254d39276f2f2fc9a9b01b31c7b11a56563f019725
SHA5125897215cbba09a13077ddf788ee052c89fd9a9577d68576ac4e481784bb41b491344a1b01fb1841cff4b32e12f860feee32cf0397c94703efa4bd3c94bad083e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eb444cd21ad8d088107a0822fd8a8bf3
SHA1a52d703eef557e5c01dead042ce4af1d273fedf6
SHA256611535b406bdb4a901b8a855031a9fe3c2f7c3f46d98e80ca4da49ab6632e4c6
SHA512f52c836cae195379b51cfd05b32fde1c8d7739a65929e7deef3a4026f3a3c3d001d80d0ae8826be5cd1bc6948244d2f046ce60f1190fac07a23ec81a03f0dcb4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD511cec8c9ef829d65bbb2f8a307fafc20
SHA1fabd9e43a4ac947139ec00183831002f70558696
SHA256fe639679f94ff393306db957871ba6ee710c8261b49e6a6b701adcfb7f5b5a08
SHA5125da690674e37b8f19573703a8b7851164e47b03dc091e1508aa36bba74652edf50e583a88bcc8b2f14cfbf474904e4d01ed350428b26354173a22e0de7727f04
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Filesize
4.1MB
MD5057b3745ef1a3b5fb23528221b53fe76
SHA17e3d63e83bb6dd1d0723cb4da937f86d92b62d3e
SHA256933d42aa94d18a6cae88ed9863297928c7a71c71fabba5f3c049ac06ec579d29
SHA5127c06dcd2c2688ffcdab61ef3697316d4b29527e2263c7f37e5a2c20d313b8311d6ef031215d90beae128c0d879166749fa4495b644c92b15264f76db21a9c89c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec