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Analysis
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max time kernel
150s -
max time network
132s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
13/05/2024, 13:06
Static task
static1
Behavioral task
behavioral1
Sample
32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe
Resource
win10v2004-20240508-en
General
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Target
32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe
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Size
4.1MB
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MD5
2066b13e0ec005074d84cc825cb71e56
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SHA1
08eef3f2d6c99c0a43cfe8638c9f4982f3a82f70
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SHA256
32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365
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SHA512
f4257bbc18412660b7f3f74fb4e457341831dae21e614ba8a4b3c24ac0f52dfa05dbf8b6eaa6bea5b869a9e5fb1148b4153275ed9ea013cef7df6ec5be6bebf2
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SSDEEP
98304:ESxsXl0KbwuZqQvBVD9crUYE4/zLKwpstl7r8yTdiFfTv15kpYdg5ui:EOsXlRb3sQv7D9crJE4/zLrpstyyZ8TI
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3012-2-0x0000000005160000-0x0000000005A4B000-memory.dmp family_glupteba behavioral2/memory/3012-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3012-50-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3012-76-0x0000000005160000-0x0000000005A4B000-memory.dmp family_glupteba behavioral2/memory/1012-119-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/1012-124-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/3012-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/996-194-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/996-210-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/996-212-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/996-215-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/996-218-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/996-221-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/996-224-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/996-227-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/996-230-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/996-233-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/996-236-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba behavioral2/memory/996-239-0x0000000000400000-0x0000000002EDD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3552 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 996 csrss.exe 2800 injector.exe 2416 windefender.exe 1372 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa1a-205.dat upx behavioral2/memory/2416-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1372-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2416-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1372-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1372-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\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 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe File created C:\Windows\rss\csrss.exe 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.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 3468 sc.exe -
pid Process 920 powershell.exe 2876 powershell.exe 2240 powershell.exe 2264 powershell.exe 1048 powershell.exe 2060 powershell.exe 3112 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 1400 schtasks.exe 948 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,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.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\Root\CRLs powershell.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,-501 = "Nepal Daylight Time" windefender.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,-434 = "Georgian Daylight Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.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,-672 = "AUS Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.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\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline 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\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.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,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3112 powershell.exe 3112 powershell.exe 3012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 3012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 920 powershell.exe 920 powershell.exe 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 2876 powershell.exe 2876 powershell.exe 2240 powershell.exe 2240 powershell.exe 2264 powershell.exe 2264 powershell.exe 1048 powershell.exe 1048 powershell.exe 2060 powershell.exe 2060 powershell.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 996 csrss.exe 996 csrss.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 996 csrss.exe 996 csrss.exe 2800 injector.exe 2800 injector.exe 996 csrss.exe 996 csrss.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe 2800 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3112 powershell.exe Token: SeDebugPrivilege 3012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Token: SeImpersonatePrivilege 3012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe Token: SeDebugPrivilege 920 powershell.exe Token: SeDebugPrivilege 2876 powershell.exe Token: SeDebugPrivilege 2240 powershell.exe Token: SeDebugPrivilege 2264 powershell.exe Token: SeDebugPrivilege 1048 powershell.exe Token: SeDebugPrivilege 2060 powershell.exe Token: SeSystemEnvironmentPrivilege 996 csrss.exe Token: SeSecurityPrivilege 3468 sc.exe Token: SeSecurityPrivilege 3468 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3012 wrote to memory of 3112 3012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 83 PID 3012 wrote to memory of 3112 3012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 83 PID 3012 wrote to memory of 3112 3012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 83 PID 1012 wrote to memory of 920 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 88 PID 1012 wrote to memory of 920 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 88 PID 1012 wrote to memory of 920 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 88 PID 1012 wrote to memory of 5076 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 90 PID 1012 wrote to memory of 5076 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 90 PID 5076 wrote to memory of 3552 5076 cmd.exe 92 PID 5076 wrote to memory of 3552 5076 cmd.exe 92 PID 1012 wrote to memory of 2876 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 93 PID 1012 wrote to memory of 2876 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 93 PID 1012 wrote to memory of 2876 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 93 PID 1012 wrote to memory of 2240 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 95 PID 1012 wrote to memory of 2240 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 95 PID 1012 wrote to memory of 2240 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 95 PID 1012 wrote to memory of 996 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 97 PID 1012 wrote to memory of 996 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 97 PID 1012 wrote to memory of 996 1012 32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe 97 PID 996 wrote to memory of 2264 996 csrss.exe 98 PID 996 wrote to memory of 2264 996 csrss.exe 98 PID 996 wrote to memory of 2264 996 csrss.exe 98 PID 996 wrote to memory of 1048 996 csrss.exe 104 PID 996 wrote to memory of 1048 996 csrss.exe 104 PID 996 wrote to memory of 1048 996 csrss.exe 104 PID 996 wrote to memory of 2060 996 csrss.exe 106 PID 996 wrote to memory of 2060 996 csrss.exe 106 PID 996 wrote to memory of 2060 996 csrss.exe 106 PID 996 wrote to memory of 2800 996 csrss.exe 108 PID 996 wrote to memory of 2800 996 csrss.exe 108 PID 2416 wrote to memory of 3116 2416 windefender.exe 114 PID 2416 wrote to memory of 3116 2416 windefender.exe 114 PID 2416 wrote to memory of 3116 2416 windefender.exe 114 PID 3116 wrote to memory of 3468 3116 cmd.exe 115 PID 3116 wrote to memory of 3468 3116 cmd.exe 115 PID 3116 wrote to memory of 3468 3116 cmd.exe 115 -
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\32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe"C:\Users\Admin\AppData\Local\Temp\32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3112
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C:\Users\Admin\AppData\Local\Temp\32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.exe"C:\Users\Admin\AppData\Local\Temp\32e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365.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:1012 -
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:920
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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:5076 -
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:3552
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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:2876
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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:2240
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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:996 -
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:2264
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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:1400
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4428
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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:1048
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2060
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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:2800
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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:948
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2416 -
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:3116 -
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:3468
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1372
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5962a5dddae4783bb36c238be6bfc2706
SHA1fed55d163581934c52df727b1d7700f7f4f1e3e7
SHA256f7ce7bcaeebe17597f8abfd513187ce22f0f7a53be0af45fbacbc192529ab4f9
SHA5120977c0dd278406c273ea374e5b053455d06143b8cc35913e6b743171671ad75773a69ecd0a875735feb932f21d4470b4af8cd8e62f52ac4c2d9ad4d04def9621
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a459063c929f78db65499b394cb1f790
SHA11a8aa64a7507f815952af73445e47ccbfa6d53f5
SHA25642d2808f1ccd89845a0a871f2f2a13d1b6de22e728963f76ca30b6ff93226cf5
SHA512cb0c131dfe09aa5011a794f7ce9baca9bd8baa7354cfdaafa35ecb8450d5c42953d30c24ce5a25c5a48b035324aa3a9fce76cfc2c8244305928d6467ab2932b3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dad1c3765b17f6f8bf799383bb8f1f26
SHA13eda98a9c49a0fb6d15726c7cb34bd9bad233bee
SHA256943eebfcba0737e07a4ff186a30ed905db7473f33962cad0442e8fddd7b94a8b
SHA512a30a3f9606e44d3598bb4e37221b6994cd989ffdb2681f7c62805b2cd1d712396069db03cc1fdb57f48dc9c4830c8b70b548131efc7853923475c45c8f1437e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD587cd594855a57e1e32a3c94c9502947f
SHA10cf084a3ec8e6bfc95f3f09495e7e17ff35d7b27
SHA2561c3e943f803f61420e993c6ed8e1c196b851dcf9f3c2aada0ac963ddf505e402
SHA51282dbb3eabed85f0c104a98da04f58107f3941a19f75fbe3f7bb36df38162908c1d1cd0bf7abe2f6f18ef3ceee1ed2d75b51b9af83f5db1923ba869f15de637ca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52748bc976ad078cef6f8f2399fdf13ed
SHA1b11975a91d4e8a7d834f03c680575c1b22e38e5c
SHA25645d4abb71795496baffbb87d8d1e321b4b781915e277ab7d8dc1fd3df18e7833
SHA512a4c9a31de38ed76f69fe892819c4d0a56674edc3cd7bb7d579ddb87e1c944e6dbd2a5da7cb5ca9922b6efeae7f697f6a79052c42407727b84e1ee4d6f15ff4f4
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Filesize
4.1MB
MD52066b13e0ec005074d84cc825cb71e56
SHA108eef3f2d6c99c0a43cfe8638c9f4982f3a82f70
SHA25632e858ba430c4d4e17732cc3ce21e943ac0cdf34915eb93741175d35a6e08365
SHA512f4257bbc18412660b7f3f74fb4e457341831dae21e614ba8a4b3c24ac0f52dfa05dbf8b6eaa6bea5b869a9e5fb1148b4153275ed9ea013cef7df6ec5be6bebf2
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec