Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-05-2024 15:24
Static task
static1
Behavioral task
behavioral1
Sample
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe
Resource
win10v2004-20240508-en
General
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Target
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe
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Size
4.1MB
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MD5
e01db36b2072fb0648e7b3d39600676a
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SHA1
a031bd80b92659226afe1fbc31335e97e293e8a3
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SHA256
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9
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SHA512
3c30090d0bcdc8fe2b9af75840f84a587ff83f64cf569b369a3eeb4fefdb166a4c18926cbc5fc60f62a2fe86242155cbe57c8bc86b4e8f1912802f285925337f
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SSDEEP
98304:QvzBhIm6zIE7SIO2RhCG9zRnSMmyRgCXxFQG9cP:mzBhDcIv8bCGbNmyXXxFQGyP
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/4964-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/4964-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4964-108-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4964-110-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral2/memory/1940-171-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-200-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1332-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1880 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1332 csrss.exe 2032 injector.exe 4984 windefender.exe 2272 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa1e-208.dat upx behavioral2/memory/4984-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2272-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4984-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2272-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2272-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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:
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe -
Drops file in Windows directory 4 IoCs
Processes:
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe File created C:\Windows\rss\csrss.exe 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.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.
Processes:
sc.exepid Process 1184 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2568 powershell.exe 4300 powershell.exe 2408 powershell.exe 1368 powershell.exe 356 powershell.exe 916 powershell.exe 2544 powershell.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 5112 schtasks.exe 1364 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.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\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands 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\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exepowershell.exe985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 916 powershell.exe 916 powershell.exe 4964 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 4964 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 2544 powershell.exe 2544 powershell.exe 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 2568 powershell.exe 2568 powershell.exe 4300 powershell.exe 4300 powershell.exe 2408 powershell.exe 2408 powershell.exe 1368 powershell.exe 1368 powershell.exe 356 powershell.exe 356 powershell.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 1332 csrss.exe 1332 csrss.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 1332 csrss.exe 1332 csrss.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 1332 csrss.exe 1332 csrss.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe 2032 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 916 powershell.exe Token: SeDebugPrivilege 4964 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Token: SeImpersonatePrivilege 4964 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Token: SeDebugPrivilege 2544 powershell.exe Token: SeDebugPrivilege 2568 powershell.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 2408 powershell.exe Token: SeDebugPrivilege 1368 powershell.exe Token: SeDebugPrivilege 356 powershell.exe Token: SeSystemEnvironmentPrivilege 1332 csrss.exe Token: SeSecurityPrivilege 1184 sc.exe Token: SeSecurityPrivilege 1184 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4964 wrote to memory of 916 4964 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 79 PID 4964 wrote to memory of 916 4964 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 79 PID 4964 wrote to memory of 916 4964 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 79 PID 1940 wrote to memory of 2544 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 84 PID 1940 wrote to memory of 2544 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 84 PID 1940 wrote to memory of 2544 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 84 PID 1940 wrote to memory of 2016 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 86 PID 1940 wrote to memory of 2016 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 86 PID 2016 wrote to memory of 1880 2016 cmd.exe 88 PID 2016 wrote to memory of 1880 2016 cmd.exe 88 PID 1940 wrote to memory of 2568 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 89 PID 1940 wrote to memory of 2568 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 89 PID 1940 wrote to memory of 2568 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 89 PID 1940 wrote to memory of 4300 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 91 PID 1940 wrote to memory of 4300 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 91 PID 1940 wrote to memory of 4300 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 91 PID 1940 wrote to memory of 1332 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 93 PID 1940 wrote to memory of 1332 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 93 PID 1940 wrote to memory of 1332 1940 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 93 PID 1332 wrote to memory of 2408 1332 csrss.exe 94 PID 1332 wrote to memory of 2408 1332 csrss.exe 94 PID 1332 wrote to memory of 2408 1332 csrss.exe 94 PID 1332 wrote to memory of 1368 1332 csrss.exe 100 PID 1332 wrote to memory of 1368 1332 csrss.exe 100 PID 1332 wrote to memory of 1368 1332 csrss.exe 100 PID 1332 wrote to memory of 356 1332 csrss.exe 102 PID 1332 wrote to memory of 356 1332 csrss.exe 102 PID 1332 wrote to memory of 356 1332 csrss.exe 102 PID 1332 wrote to memory of 2032 1332 csrss.exe 104 PID 1332 wrote to memory of 2032 1332 csrss.exe 104 PID 4984 wrote to memory of 2448 4984 windefender.exe 110 PID 4984 wrote to memory of 2448 4984 windefender.exe 110 PID 4984 wrote to memory of 2448 4984 windefender.exe 110 PID 2448 wrote to memory of 1184 2448 cmd.exe 111 PID 2448 wrote to memory of 1184 2448 cmd.exe 111 PID 2448 wrote to memory of 1184 2448 cmd.exe 111 -
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\985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe"C:\Users\Admin\AppData\Local\Temp\985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:916
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C:\Users\Admin\AppData\Local\Temp\985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe"C:\Users\Admin\AppData\Local\Temp\985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.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:1940 -
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:2544
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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:2016 -
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:1880
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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:2568
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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:4300
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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:1332 -
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:2408
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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:5112
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1764
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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:1368
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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:356
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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:2032
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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:1364
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4984 -
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:2448 -
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:1184
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2272
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5470009feef4511b071a51f30afa9e0a9
SHA16be50a0b350d466ddc307c08b64c939a30e0f206
SHA256fa4070e9da8cbbe70c6d1508e32c6c6b293e4ab66934787c9ef61590bfcfa269
SHA512c92e12ed19eb8a2bf198a6afb2acd6045520be4395230b0f9ad66c5d0ac8153901634f4b6cd347824788eafc33f52a4988542a7f29642215482b5c0e137dc86c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d698377ebb8305f76cbcc845e8df431f
SHA1686a0f2b721cbc6d124d6c9bc927af2063835179
SHA256d79d4044c67dd07374b950eeff82be284dc02b9e35b9fc274b3b036c31efd4d5
SHA5126c149504c0719a80afc1481d0b1e241396b4451adf7d5e2cf3fb938cea5c7c79204988d848b9cbbc98dc1dbde502580230f1faebea4925d05b4f582973310ec9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fdbc7624fe3a4085af1bec7fcd1c63d0
SHA161431adf6e032c9ef9120365ebc0f6430540e27b
SHA256e355b219a475c9b3ca9e6dc284b6f2a91371faf819d38762b2aed86c04862b99
SHA5127e01b6d17bade105eeffce8fd3f6d074394cc026371de26580b91ceda4ef8657c060007838a12340f6522623aa8a45ecbcb4afb63048217ebab73e9df71f0bbe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55b16a6081e25ff06fefe1d1493043f2e
SHA1dee5e69e32b07b5cf1b615a57581fe142c3055cc
SHA2564cbbc67815740beceec7f94a08e14421a7c9bd0701d7f328f649b60ed202ac85
SHA5123e8140f5b8f9ab6e8763887866d4e1c9a781b733a049d52d8003362ba565f3dfc726ad7b74bbf056192c99eca1327e2b7a750f5a29def16ab0c9f0e4304a9c19
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD552ef1388958567a35e66f5dbd923fa90
SHA1b17b7b26c7a3ebe1d431e2e1ba45f0d1d67b9734
SHA2564fff7f8a36da934deebe97a23709fed027b6bb07eb55503503fc12ebd7fca4e8
SHA512e7f4ace16efa9e1ba2c0f24e9d2c1ee27f6583d569dc7d07175d5388daa17d32938555c98ebf87fd2380ca51377893aa2dfe99cc69e35c766487efc5d791bb52
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Filesize
4.1MB
MD5e01db36b2072fb0648e7b3d39600676a
SHA1a031bd80b92659226afe1fbc31335e97e293e8a3
SHA256985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9
SHA5123c30090d0bcdc8fe2b9af75840f84a587ff83f64cf569b369a3eeb4fefdb166a4c18926cbc5fc60f62a2fe86242155cbe57c8bc86b4e8f1912802f285925337f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec