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Analysis
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max time kernel
149s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18/05/2024, 15:14
Static task
static1
Behavioral task
behavioral1
Sample
aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe
Resource
win10v2004-20240508-en
General
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Target
aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe
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Size
4.1MB
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MD5
a14b0b2e7f23dc85719c9263ce9ca7d6
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SHA1
9a72c6cf97417f1ea51bdd7b9a0651d6daeb9a10
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SHA256
aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d
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SHA512
9d1e8618bc8dce2a7bd5879a8d8f53085c51fc66a296af7d0892663e2349e6d97c9817019b75f505423037906189940067839c602f822a75d916d0d4325bd672
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SSDEEP
98304:r3/aXnuKq8lIi6YuYM5DOP1Yy/qFVYXqnggvBm2Aw6XSjras4uEiZDLpDRiiTx:r3/aer8lIiPc9ySnggpxAJiIuBVpFiil
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1636-2-0x0000000004800000-0x00000000050EB000-memory.dmp family_glupteba behavioral1/memory/1636-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1636-77-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1636-104-0x0000000004800000-0x00000000050EB000-memory.dmp family_glupteba behavioral1/memory/3868-127-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3868-132-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/1636-157-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3544-214-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3544-221-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3544-226-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3544-230-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3544-233-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3544-235-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3544-238-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3544-242-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3544-245-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3544-247-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3544-250-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba behavioral1/memory/3544-254-0x0000000000400000-0x0000000002738000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4588 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3544 csrss.exe 2120 injector.exe 1868 windefender.exe 1860 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000233d8-217.dat upx behavioral1/memory/1868-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1860-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1868-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1860-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1860-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\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 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe File created C:\Windows\rss\csrss.exe aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.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 3548 sc.exe -
pid Process 4164 powershell.exe 2692 powershell.exe 4256 powershell.exe 3408 powershell.exe 4316 powershell.exe 2696 powershell.exe 4064 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 4620 schtasks.exe 3392 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.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,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2696 powershell.exe 2696 powershell.exe 1636 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 1636 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 4064 powershell.exe 4064 powershell.exe 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 4164 powershell.exe 4164 powershell.exe 2692 powershell.exe 2692 powershell.exe 4256 powershell.exe 4256 powershell.exe 3408 powershell.exe 3408 powershell.exe 4316 powershell.exe 4316 powershell.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 3544 csrss.exe 3544 csrss.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 3544 csrss.exe 3544 csrss.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 3544 csrss.exe 3544 csrss.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe 2120 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2696 powershell.exe Token: SeDebugPrivilege 1636 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Token: SeImpersonatePrivilege 1636 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe Token: SeDebugPrivilege 4064 powershell.exe Token: SeDebugPrivilege 4164 powershell.exe Token: SeDebugPrivilege 2692 powershell.exe Token: SeDebugPrivilege 4256 powershell.exe Token: SeDebugPrivilege 3408 powershell.exe Token: SeDebugPrivilege 4316 powershell.exe Token: SeSystemEnvironmentPrivilege 3544 csrss.exe Token: SeSecurityPrivilege 3548 sc.exe Token: SeSecurityPrivilege 3548 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1636 wrote to memory of 2696 1636 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 85 PID 1636 wrote to memory of 2696 1636 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 85 PID 1636 wrote to memory of 2696 1636 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 85 PID 3868 wrote to memory of 4064 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 96 PID 3868 wrote to memory of 4064 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 96 PID 3868 wrote to memory of 4064 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 96 PID 3868 wrote to memory of 3376 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 99 PID 3868 wrote to memory of 3376 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 99 PID 3376 wrote to memory of 4588 3376 cmd.exe 101 PID 3376 wrote to memory of 4588 3376 cmd.exe 101 PID 3868 wrote to memory of 4164 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 102 PID 3868 wrote to memory of 4164 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 102 PID 3868 wrote to memory of 4164 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 102 PID 3868 wrote to memory of 2692 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 104 PID 3868 wrote to memory of 2692 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 104 PID 3868 wrote to memory of 2692 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 104 PID 3868 wrote to memory of 3544 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 106 PID 3868 wrote to memory of 3544 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 106 PID 3868 wrote to memory of 3544 3868 aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe 106 PID 3544 wrote to memory of 4256 3544 csrss.exe 107 PID 3544 wrote to memory of 4256 3544 csrss.exe 107 PID 3544 wrote to memory of 4256 3544 csrss.exe 107 PID 3544 wrote to memory of 3408 3544 csrss.exe 112 PID 3544 wrote to memory of 3408 3544 csrss.exe 112 PID 3544 wrote to memory of 3408 3544 csrss.exe 112 PID 3544 wrote to memory of 4316 3544 csrss.exe 115 PID 3544 wrote to memory of 4316 3544 csrss.exe 115 PID 3544 wrote to memory of 4316 3544 csrss.exe 115 PID 3544 wrote to memory of 2120 3544 csrss.exe 117 PID 3544 wrote to memory of 2120 3544 csrss.exe 117 PID 1868 wrote to memory of 3576 1868 windefender.exe 125 PID 1868 wrote to memory of 3576 1868 windefender.exe 125 PID 1868 wrote to memory of 3576 1868 windefender.exe 125 PID 3576 wrote to memory of 3548 3576 cmd.exe 126 PID 3576 wrote to memory of 3548 3576 cmd.exe 126 PID 3576 wrote to memory of 3548 3576 cmd.exe 126 -
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\aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe"C:\Users\Admin\AppData\Local\Temp\aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2696
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C:\Users\Admin\AppData\Local\Temp\aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.exe"C:\Users\Admin\AppData\Local\Temp\aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d.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:3868 -
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:4064
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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:3376 -
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:4588
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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:4164
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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:2692
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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:3544 -
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:4256
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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:4620
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:632
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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:3408
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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:4316
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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:2120
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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:3392
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1868 -
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:3576 -
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:3548
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1860
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
MD553d081e1cf234411f692e56f11a7dbfc
SHA18341544b16742dd211ba3dabb878454cc2eb5c20
SHA2567cb079b37df2e22375f893cfa51aed15f54aca1318981c4df553d7b5126945c8
SHA5121a3654984601006c7df6bfdedac68ff469b60cb36d1ae3820bc87eeee762a2bfac5d89c80a7d2882f2cd2717b157524528c2a4d90b0b405641bbe509fa1531aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD561c603c865438282aa3e55317c36ea26
SHA18818254890a2cd6cf69913c5ecdb8b7a73935d14
SHA256a9386824c7119108c28f24519dd22181bce25f9fd8c756b58afb07a658715354
SHA5125140bf6a28608b355d1e0355ff263805182c5450be5fc778c802f5372d795e6f822742fa494baa59be158dbee6e342f96880a50e21528b27ef27288906356f5b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58bf0fb872a6da48eb47d396b55560351
SHA126d5418089e500a49719178c6cce1df2b6c46ac6
SHA2562621539465340321059b9d7c855aca940e9709726b5047201a36e97d9e997775
SHA5125c4029e78c897266fe2459f04ff4c0effe7d5a1328577e59b7223086874c24a4fecb41403a2779e63e9c6a4343e426151d2d52aba0ed54bd1a5c5c458dc7cef5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59df5de42b8b9cfbe6026cc5409c17f19
SHA1afd05030f40ab7006679e90f4dab05ae89b9e631
SHA2564700e123cf20ac8c02d7bd769fe7218689ec1ae40e0ce20bad9790db95887b41
SHA512cd9a53d26a3b26c714fe20801516dc8e8f8890999c7c1ae0d655532d2de486357525f7c19d7620ef297890f533e09d7fbdc51c057e865185d7ecdc8508c354c2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD578f1bc6f59876646e5c261b6da04356a
SHA1e2927e06b988761b1c11ce2b44feed9d73c3a82e
SHA2560595c9e117699010e22c1388794822a86818afe09fc3d89931eeb5d249ad0910
SHA512766d275529f2bd7b3b00db432d7f64d8fc668a7eb71811bb0a439feeec28f749dbfb58b9c296e04c2d5c5d6fafff1c4e31a8db1e2229331bc0af40176bb09f70
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Filesize
4.1MB
MD5a14b0b2e7f23dc85719c9263ce9ca7d6
SHA19a72c6cf97417f1ea51bdd7b9a0651d6daeb9a10
SHA256aa29344f893d573b56bb202c77d1d5501e86874d1988c0294bc201e47a30323d
SHA5129d1e8618bc8dce2a7bd5879a8d8f53085c51fc66a296af7d0892663e2349e6d97c9817019b75f505423037906189940067839c602f822a75d916d0d4325bd672
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec