Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 15:53
Static task
static1
Behavioral task
behavioral1
Sample
554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe
Resource
win10v2004-20240412-en
General
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Target
554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe
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Size
4.2MB
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MD5
3fe4b0b8dd103c35ae252f01d81c91ea
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SHA1
59181f7ecebf622327d782cc7bf9722b5fe04324
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SHA256
554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16
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SHA512
0678814f70b1a7b8181ce8f74e42d7779d8e846feb4d222f679d3443fb77abd1e468d85b31621c38479336b457aef3d4837ac7880c26fd0549a93b389b878fb6
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SSDEEP
98304:mz7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU7U:M7NcfZtQ9LJEd3aOYT+U
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/5088-2-0x0000000005260000-0x0000000005B4B000-memory.dmp family_glupteba behavioral1/memory/5088-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2464-57-0x00000000051B0000-0x0000000005A9B000-memory.dmp family_glupteba behavioral1/memory/2464-58-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5088-72-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2464-146-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2464-147-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/2464-255-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-256-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-267-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-270-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-274-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-278-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-282-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-286-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-290-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-294-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-298-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-302-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-306-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/5080-310-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2120 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5080 csrss.exe 4976 injector.exe 3008 windefender.exe 4832 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023412-260.dat upx behavioral1/memory/3008-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4832-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4832-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.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 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 -
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 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe File created C:\Windows\rss\csrss.exe 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.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 3928 sc.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 1568 schtasks.exe 2272 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2948 powershell.exe 2948 powershell.exe 5088 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 5088 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 3828 powershell.exe 3828 powershell.exe 3828 powershell.exe 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 1332 powershell.exe 1332 powershell.exe 2992 powershell.exe 2992 powershell.exe 4644 powershell.exe 4644 powershell.exe 4644 powershell.exe 4056 powershell.exe 4056 powershell.exe 4056 powershell.exe 3632 powershell.exe 3632 powershell.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 5080 csrss.exe 5080 csrss.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 5080 csrss.exe 5080 csrss.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 5080 csrss.exe 5080 csrss.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe 4976 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2948 powershell.exe Token: SeDebugPrivilege 5088 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Token: SeImpersonatePrivilege 5088 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe Token: SeDebugPrivilege 3828 powershell.exe Token: SeDebugPrivilege 1332 powershell.exe Token: SeDebugPrivilege 2992 powershell.exe Token: SeDebugPrivilege 4644 powershell.exe Token: SeDebugPrivilege 4056 powershell.exe Token: SeDebugPrivilege 3632 powershell.exe Token: SeSystemEnvironmentPrivilege 5080 csrss.exe Token: SeSecurityPrivilege 3928 sc.exe Token: SeSecurityPrivilege 3928 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 5088 wrote to memory of 2948 5088 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 91 PID 5088 wrote to memory of 2948 5088 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 91 PID 5088 wrote to memory of 2948 5088 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 91 PID 2464 wrote to memory of 3828 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 99 PID 2464 wrote to memory of 3828 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 99 PID 2464 wrote to memory of 3828 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 99 PID 2464 wrote to memory of 2308 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 101 PID 2464 wrote to memory of 2308 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 101 PID 2308 wrote to memory of 2120 2308 cmd.exe 103 PID 2308 wrote to memory of 2120 2308 cmd.exe 103 PID 2464 wrote to memory of 1332 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 104 PID 2464 wrote to memory of 1332 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 104 PID 2464 wrote to memory of 1332 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 104 PID 2464 wrote to memory of 2992 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 106 PID 2464 wrote to memory of 2992 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 106 PID 2464 wrote to memory of 2992 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 106 PID 2464 wrote to memory of 5080 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 108 PID 2464 wrote to memory of 5080 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 108 PID 2464 wrote to memory of 5080 2464 554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe 108 PID 5080 wrote to memory of 4644 5080 csrss.exe 109 PID 5080 wrote to memory of 4644 5080 csrss.exe 109 PID 5080 wrote to memory of 4644 5080 csrss.exe 109 PID 5080 wrote to memory of 4056 5080 csrss.exe 115 PID 5080 wrote to memory of 4056 5080 csrss.exe 115 PID 5080 wrote to memory of 4056 5080 csrss.exe 115 PID 5080 wrote to memory of 3632 5080 csrss.exe 117 PID 5080 wrote to memory of 3632 5080 csrss.exe 117 PID 5080 wrote to memory of 3632 5080 csrss.exe 117 PID 5080 wrote to memory of 4976 5080 csrss.exe 119 PID 5080 wrote to memory of 4976 5080 csrss.exe 119 PID 3008 wrote to memory of 2344 3008 windefender.exe 127 PID 3008 wrote to memory of 2344 3008 windefender.exe 127 PID 3008 wrote to memory of 2344 3008 windefender.exe 127 PID 2344 wrote to memory of 3928 2344 cmd.exe 128 PID 2344 wrote to memory of 3928 2344 cmd.exe 128 PID 2344 wrote to memory of 3928 2344 cmd.exe 128 -
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\554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe"C:\Users\Admin\AppData\Local\Temp\554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5088 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2948
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C:\Users\Admin\AppData\Local\Temp\554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.exe"C:\Users\Admin\AppData\Local\Temp\554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16.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:2464 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3828
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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:2308 -
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:2120
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1332
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2992
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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:5080 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4644
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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:2272
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1792
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4056
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3632
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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:4976
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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:1568
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3008 -
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:2344 -
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:3928
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4832
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
MD5bc0462fe83ac5580e6ee8ebdfe32268c
SHA135b8e102787eb3b28727f09050f50f2d3ad7b735
SHA2566f43ce1bdc258f21555b9d6e23db49688ee84233ed9bb9762d39191d27c6d68a
SHA512454b56ed0d4a6dc72e4cdf09023249c35f4910ecdad056e6da1413f30ff35312d444397e1e919ff61a0823efe8cba47b854a7da0814670eb328579c74d8508ba
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5eb4894aedba59cc0c0763618730db6a9
SHA1cd28cdbedcdbfc484bf8a528d39a6721545340c5
SHA2566e394e8a35d8fee4b47dc306801d3987f7224b0363cd95355e2eacdba1cc4fd1
SHA512a4d06fefc2d6fe2e4807e166fea853498b383c1ffbd302339457c806a3d2544bcd33f225b119f7a71a7ddaa3a2c280e2c26bc4dbda1a91f9b53dd55f2475f215
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51c77ad8e7afc8a704b0f2c75e0fe708c
SHA1646fec39d6db0782e5f014c0fb5cadd6a7517f81
SHA25602bd6425617f8d2a75c8ae129de60032603b283795f50d7bc4a07389aa2da2d3
SHA512c7c597429538bbd13ddb34c4cd485ac4d597b3aefecc5260f81a0b116821f4d44664c7aaa37ea7de469ada6091e1803770773d0accd47eea113df1097f686748
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cd6aeea9cca8f4a9ea1584f083ca285a
SHA1dc79a9099cc0bb15fc3fb324bbc95332769b8b02
SHA2566e7b254ab714d94771053fe488fb5c486d1d14d15e0c77e5c808473cb1ab388e
SHA5120c673fffa7e1a7e520ed635d9ff6e96d9ceed68f283b416e8769e2b330c3a3e7c36ce6b307af903430350346f4ed6100e2f29e4582b19043ce757c1995cac67d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD587a6752cdf6a2f45c8207c204f733fa0
SHA1e97a78373af074aa0aaa17e966d2499d23e95041
SHA2567ed419227e9ab94f67933c62bd0533e1ca1deb9360eb14f54b95bb25bcbb6856
SHA512905d3760a7d302e540ff045b488d608ae7f08e3888e873ad203762fbd3562d459eb18592acda87d1d28f3dfb88c860581b3ff8781a41cbf759921a9aead966bc
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Filesize
4.2MB
MD53fe4b0b8dd103c35ae252f01d81c91ea
SHA159181f7ecebf622327d782cc7bf9722b5fe04324
SHA256554f3c1bb924f0cd40397888ee156131091d7cd8d60732ee517ee0ca9ab6cb16
SHA5120678814f70b1a7b8181ce8f74e42d7779d8e846feb4d222f679d3443fb77abd1e468d85b31621c38479336b457aef3d4837ac7880c26fd0549a93b389b878fb6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec