Analysis
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max time kernel
150s -
max time network
150s -
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, 16:46
Static task
static1
Behavioral task
behavioral1
Sample
aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe
Resource
win10v2004-20240508-en
General
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Target
aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe
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Size
4.1MB
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MD5
db9e8e6d1ea4c597ee5923d3e6b39224
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SHA1
093ab95e3debe5bef329c930020766fe27f19d6c
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SHA256
aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc
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SHA512
55dd8fd6c3ce60af0bdc9a503ff86eb57739ff2ce5245a27cfebfca65dc8ac2005f4bf6a155a162ae2ec95eb014941ae2831e7e66e6c8098e962388645c66096
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SSDEEP
98304:LlDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31KmzU:R7B3j0rWdEQQ059Cfd4xbkE91KmI
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3924-2-0x0000000004FD0000-0x00000000058BB000-memory.dmp family_glupteba behavioral1/memory/3924-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3924-11-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3924-57-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3924-58-0x0000000004FD0000-0x00000000058BB000-memory.dmp family_glupteba behavioral1/memory/3924-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2384-70-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2384-138-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4364-151-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4364-214-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4364-223-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4364-235-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4364-239-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4364-243-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4364-246-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4364-251-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4364-255-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4364-259-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4364-262-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5080 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4364 csrss.exe 3344 injector.exe 3916 windefender.exe 4876 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002341b-226.dat upx behavioral1/memory/3916-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3916-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4876-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4876-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 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 -
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 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe File created C:\Windows\rss\csrss.exe aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe File created 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 3076 sc.exe -
pid Process 1012 powershell.exe 5052 powershell.exe 4888 powershell.exe 2772 powershell.exe 3752 powershell.exe 4352 powershell.exe 4988 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 3628 schtasks.exe 2408 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,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard 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,-831 = "SA Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.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,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4988 powershell.exe 4988 powershell.exe 3924 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 3924 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 1012 powershell.exe 1012 powershell.exe 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 5052 powershell.exe 5052 powershell.exe 4888 powershell.exe 4888 powershell.exe 2772 powershell.exe 2772 powershell.exe 3752 powershell.exe 3752 powershell.exe 4352 powershell.exe 4352 powershell.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 4364 csrss.exe 4364 csrss.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 4364 csrss.exe 4364 csrss.exe 3344 injector.exe 3344 injector.exe 4364 csrss.exe 4364 csrss.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe 3344 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4988 powershell.exe Token: SeDebugPrivilege 3924 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Token: SeImpersonatePrivilege 3924 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe Token: SeDebugPrivilege 1012 powershell.exe Token: SeDebugPrivilege 5052 powershell.exe Token: SeDebugPrivilege 4888 powershell.exe Token: SeDebugPrivilege 2772 powershell.exe Token: SeDebugPrivilege 3752 powershell.exe Token: SeDebugPrivilege 4352 powershell.exe Token: SeSystemEnvironmentPrivilege 4364 csrss.exe Token: SeSecurityPrivilege 3076 sc.exe Token: SeSecurityPrivilege 3076 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3924 wrote to memory of 4988 3924 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 88 PID 3924 wrote to memory of 4988 3924 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 88 PID 3924 wrote to memory of 4988 3924 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 88 PID 2384 wrote to memory of 1012 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 93 PID 2384 wrote to memory of 1012 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 93 PID 2384 wrote to memory of 1012 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 93 PID 2384 wrote to memory of 2752 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 96 PID 2384 wrote to memory of 2752 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 96 PID 2752 wrote to memory of 5080 2752 cmd.exe 98 PID 2752 wrote to memory of 5080 2752 cmd.exe 98 PID 2384 wrote to memory of 5052 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 99 PID 2384 wrote to memory of 5052 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 99 PID 2384 wrote to memory of 5052 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 99 PID 2384 wrote to memory of 4888 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 102 PID 2384 wrote to memory of 4888 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 102 PID 2384 wrote to memory of 4888 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 102 PID 2384 wrote to memory of 4364 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 104 PID 2384 wrote to memory of 4364 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 104 PID 2384 wrote to memory of 4364 2384 aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe 104 PID 4364 wrote to memory of 2772 4364 csrss.exe 105 PID 4364 wrote to memory of 2772 4364 csrss.exe 105 PID 4364 wrote to memory of 2772 4364 csrss.exe 105 PID 4364 wrote to memory of 3752 4364 csrss.exe 111 PID 4364 wrote to memory of 3752 4364 csrss.exe 111 PID 4364 wrote to memory of 3752 4364 csrss.exe 111 PID 4364 wrote to memory of 4352 4364 csrss.exe 113 PID 4364 wrote to memory of 4352 4364 csrss.exe 113 PID 4364 wrote to memory of 4352 4364 csrss.exe 113 PID 4364 wrote to memory of 3344 4364 csrss.exe 115 PID 4364 wrote to memory of 3344 4364 csrss.exe 115 PID 3916 wrote to memory of 1384 3916 windefender.exe 121 PID 3916 wrote to memory of 1384 3916 windefender.exe 121 PID 3916 wrote to memory of 1384 3916 windefender.exe 121 PID 1384 wrote to memory of 3076 1384 cmd.exe 122 PID 1384 wrote to memory of 3076 1384 cmd.exe 122 PID 1384 wrote to memory of 3076 1384 cmd.exe 122 -
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\aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe"C:\Users\Admin\AppData\Local\Temp\aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3924 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4988
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C:\Users\Admin\AppData\Local\Temp\aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.exe"C:\Users\Admin\AppData\Local\Temp\aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc.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:2384 -
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:1012
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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:2752 -
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:5080
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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:5052
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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:4888
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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:4364 -
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:2772
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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:3628
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1872
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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:3752
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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:4352
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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:3344
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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:2408
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3916 -
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:1384 -
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:3076
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4876
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51f46f815c24b1f7e726f45e09aad074a
SHA1ca48cb1e9ab4bbcdc6a0cd1641df7eb4718a0dec
SHA256bb1edce0b5ed06b81c7149d87f929c38837cc3607ce7f6c260f00e8411e1c0f7
SHA512b105e8fbe9084517de6af984f737f4c8443bd8cacbf83d2e70bacfd0e174cbbac9d70c434687e469ae941bc504ea7396453332568b282bc4d1eb3b1f96a0b6d5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5645b4745e74981ab03c566f9cc9d90bf
SHA164c9f484c933003d530f080dd7ce3c7df25265b3
SHA256e352425df5d3ad0641f5b79f1b8011b7a205678463a096a9a9933415a085dd4e
SHA512dcf6b5aa4a77c1f639f6f1d7e1c7febdbbc39a5c5e327fc9d9cfd809c94adce633e14f729dfedb731d3c4dd69ddb3e8306bc5ac81e4aa19daaea92b97f6efcd8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD594cd138aa2f522a62b1f21956dafe1e4
SHA17e62561d75f7d8b7e43d5863b9dff66eca3c62d6
SHA2567f9862ca3fc6bbd8a36b4bd8b180a2c11d19d526cecc1ccb1a398474147fca46
SHA51291d963a6752c62eef6d969acbd5bbbf2a1e972e82dbb0413cf74f720360441aef78f0d52e4db327b9c8880533064bbe48c3157d268c70e2a7c73b88c81054352
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a1d050dc900352b681acce291d26b744
SHA1481f5aa3b5a22345be652101ba99ed145ae05283
SHA2564e585f72bd57448cbda0669b0ccb88f5270e474225e77dc2b43d38e4dbcf9179
SHA512f5b0bd2d43341c09eed55b7a81dd8fdc7c7c5c2d9b37ee91c874413826bca78c06528bef6c861e0c4022cff7831844db8740b2707488b7bf11e38a8f17d56b20
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54eb7abcd47e1d3039eb7ac36d2da9b3d
SHA1adf2b1bd1c38d28abb28a58ec9f5ef49294a26c8
SHA25614798f28f9ced6a5d3545c5831ff4f9b1e82a163bc9a9004066deb60f6250802
SHA512d32f869e0ce2c39a61811d59cf7ecbf93ba3f65054306c4d889d2d27ded838482b8b55543089fa41cad1aed34b705ebedd78ad97b327eb31ccdbd149577390d0
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Filesize
4.1MB
MD5db9e8e6d1ea4c597ee5923d3e6b39224
SHA1093ab95e3debe5bef329c930020766fe27f19d6c
SHA256aac8a4511948da02d3e46a9b07d1aa3f82a0d7120cc33291e9519c81e23783bc
SHA51255dd8fd6c3ce60af0bdc9a503ff86eb57739ff2ce5245a27cfebfca65dc8ac2005f4bf6a155a162ae2ec95eb014941ae2831e7e66e6c8098e962388645c66096
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec