Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2024 11:43
Static task
static1
Behavioral task
behavioral1
Sample
a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe
Resource
win10v2004-20240412-en
General
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Target
a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe
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Size
4.2MB
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MD5
97f8f429d24efcb849e68d1851016c00
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SHA1
dfdac8d8663644d1662dd89743b9c3cb0913efc6
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SHA256
a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc
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SHA512
31ad7b613cd88914f157581ef7e38aaa0be150216aaed62935afdeed6dc9ae04d05878994e12e5d61b8be1341a4126c2eadeee597e47a2d00450d9f29302536c
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SSDEEP
98304:CExeyMsyixS5pRc4vIUtzCuveHCg7xBa+u+nRD:CMby0Sruak17xwS
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/932-2-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral1/memory/932-3-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3528-57-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/932-58-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral1/memory/932-84-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3528-135-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/3528-155-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-259-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-269-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-271-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-274-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-277-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-281-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-284-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-287-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-290-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-292-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-295-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-298-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral1/memory/4840-302-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3060 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4840 csrss.exe 4280 injector.exe 3560 windefender.exe 3564 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/3560-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3564-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3564-278-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Set value (str) \REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\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.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process 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 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 -
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.
Processes:
a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe -
Drops file in Windows directory 4 IoCs
Processes:
a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 4132 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1732 schtasks.exe 3520 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exepowershell.exea022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc process 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\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.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,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\26\52C64B7E\@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.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,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exea022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exepowershell.exea022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2336 powershell.exe 2336 powershell.exe 932 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe 932 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe 3200 powershell.exe 3200 powershell.exe 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe 920 powershell.exe 920 powershell.exe 920 powershell.exe 2520 powershell.exe 2520 powershell.exe 2520 powershell.exe 3520 powershell.exe 3520 powershell.exe 3520 powershell.exe 4900 powershell.exe 4900 powershell.exe 4900 powershell.exe 5028 powershell.exe 5028 powershell.exe 5028 powershell.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4840 csrss.exe 4280 injector.exe 4840 csrss.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4840 csrss.exe 4840 csrss.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4840 csrss.exe 4840 csrss.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe 4280 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exea022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2336 powershell.exe Token: SeDebugPrivilege 932 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Token: SeImpersonatePrivilege 932 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 920 powershell.exe Token: SeDebugPrivilege 2520 powershell.exe Token: SeDebugPrivilege 3520 powershell.exe Token: SeDebugPrivilege 4900 powershell.exe Token: SeDebugPrivilege 5028 powershell.exe Token: SeSystemEnvironmentPrivilege 4840 csrss.exe Token: SeSecurityPrivilege 4132 sc.exe Token: SeSecurityPrivilege 4132 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exea022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 932 wrote to memory of 2336 932 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe powershell.exe PID 932 wrote to memory of 2336 932 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe powershell.exe PID 932 wrote to memory of 2336 932 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe powershell.exe PID 3528 wrote to memory of 3200 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe powershell.exe PID 3528 wrote to memory of 3200 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe powershell.exe PID 3528 wrote to memory of 3200 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe powershell.exe PID 3528 wrote to memory of 4524 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe cmd.exe PID 3528 wrote to memory of 4524 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe cmd.exe PID 4524 wrote to memory of 3060 4524 cmd.exe netsh.exe PID 4524 wrote to memory of 3060 4524 cmd.exe netsh.exe PID 3528 wrote to memory of 920 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe powershell.exe PID 3528 wrote to memory of 920 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe powershell.exe PID 3528 wrote to memory of 920 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe powershell.exe PID 3528 wrote to memory of 2520 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe powershell.exe PID 3528 wrote to memory of 2520 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe powershell.exe PID 3528 wrote to memory of 2520 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe powershell.exe PID 3528 wrote to memory of 4840 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe csrss.exe PID 3528 wrote to memory of 4840 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe csrss.exe PID 3528 wrote to memory of 4840 3528 a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe csrss.exe PID 4840 wrote to memory of 3520 4840 csrss.exe powershell.exe PID 4840 wrote to memory of 3520 4840 csrss.exe powershell.exe PID 4840 wrote to memory of 3520 4840 csrss.exe powershell.exe PID 4840 wrote to memory of 4900 4840 csrss.exe powershell.exe PID 4840 wrote to memory of 4900 4840 csrss.exe powershell.exe PID 4840 wrote to memory of 4900 4840 csrss.exe powershell.exe PID 4840 wrote to memory of 5028 4840 csrss.exe powershell.exe PID 4840 wrote to memory of 5028 4840 csrss.exe powershell.exe PID 4840 wrote to memory of 5028 4840 csrss.exe powershell.exe PID 4840 wrote to memory of 4280 4840 csrss.exe injector.exe PID 4840 wrote to memory of 4280 4840 csrss.exe injector.exe PID 3560 wrote to memory of 4732 3560 windefender.exe cmd.exe PID 3560 wrote to memory of 4732 3560 windefender.exe cmd.exe PID 3560 wrote to memory of 4732 3560 windefender.exe cmd.exe PID 4732 wrote to memory of 4132 4732 cmd.exe sc.exe PID 4732 wrote to memory of 4132 4732 cmd.exe sc.exe PID 4732 wrote to memory of 4132 4732 cmd.exe sc.exe -
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\a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe"C:\Users\Admin\AppData\Local\Temp\a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2336
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C:\Users\Admin\AppData\Local\Temp\a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.exe"C:\Users\Admin\AppData\Local\Temp\a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc.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:3528 -
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:3200
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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:4524 -
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:3060
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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:920
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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:2520
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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:4840 -
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:3520
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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:1732
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3652
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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:4900
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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:5028
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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:4280
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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:3520
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3560 -
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:4732 -
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:4132
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3564
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ff85db752b61aab0dc2826591b52bd62
SHA14b5ff8e30a35d34a7f974f61cf107c052244d13a
SHA256c3fb5c80ff463073dee816d24bf09616335ccde4e131917757a249d49e7e4825
SHA5129683d5fbc4a6153149cfe2d8069f86b4b10b306091631fdc0c55eba9a2671ea63df4274c4aaf359f62d2bddb693c081686addbf89ed0041efbfd24d070b3066a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55ebe61ec811889478b531b2ad4a860ae
SHA12b4db27d7d4cc039367fa30a5d3c626164d64066
SHA256d3a391af3b190f4a5aa9496ec1d4b9b42bb304b32d4b9e5b3cdd27e11f79d340
SHA5129f19391b4ea8fa71c6bcf889dcebf0f2303d1f58586421970592364f64445bec5a79308bec0c63faeaebdbbed1abb3ebb93279a7baa031fdebc8045f9e22f5bc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b4afa4ed860b0234c03fa8f9e2116761
SHA14b1cb68287df44d982bf43dc30519c35abb28342
SHA256d0e189f5df3f7c84cb97a11541a3d071e6c2efb3d06737aebde044a74953da07
SHA5128fa6265aab21c809492f3e45aa2275503e75462e6e3f1c32ad55cceebf296a06e450af2451016b89b63082920a41309ed8d6fae715cc1ee2f5f06fdd6b0486d0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a423cb109cd3b95861d92c5b7b58c9bd
SHA1026533e0a85d804ead3e66036069feb74e011e15
SHA256cb58ed7d25bbc7a3ceb86f2f4655a8ec4afadb8bae80f9a4b0e1b75a9a1e6d52
SHA51276f602faed4af2d691b7c37659a8943a532bf59acb96cab9898433d26275afa6e4c6cc324f2f0afec08b1b211c7d1df5417e1a406fe0ffd58c0a99095aff3370
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e7f3ab07b53e5c830e01a2d28bea2e32
SHA1f15684a830dcb5a2bab9f8c37fd7f4e7466f5952
SHA2567ac429de2e29dee94176b5e8e0f04fdef1a99173f0894878d8123eb28083f5ad
SHA51251b1021186a2978d381a9edecef4ceea9853c51de0861c91ba6694301141043c537a96a7f227caff8b669a726e231d191d764be7b0b1f3164692664813ab2487
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Filesize
4.2MB
MD597f8f429d24efcb849e68d1851016c00
SHA1dfdac8d8663644d1662dd89743b9c3cb0913efc6
SHA256a022f144f067e82e3300ce38a93dcb92ae3c83f6c7fb48b7c4814c02a68243bc
SHA51231ad7b613cd88914f157581ef7e38aaa0be150216aaed62935afdeed6dc9ae04d05878994e12e5d61b8be1341a4126c2eadeee597e47a2d00450d9f29302536c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec