Analysis
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max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 11:14
Static task
static1
Behavioral task
behavioral1
Sample
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe
Resource
win10v2004-20240508-en
General
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Target
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe
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Size
4.1MB
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MD5
fb2e39a18034b445e399231ee30e2975
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SHA1
049da88aa893e985cc5641c4c214189f0ab407f4
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SHA256
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc
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SHA512
6b57c8b90187f1a3cc8ea0fde900420de8a574ee75160f25914d1bbf5dcd17e33a54bf73423d6309d5758f9c4d3c87cf76951f1fe7c66935684dba78be0a7c13
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SSDEEP
98304:1H+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2g:1H+PiSfw6Rz4ejOEAZ44S5J5ww2g
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/4824-2-0x0000000004610000-0x0000000004EFB000-memory.dmp family_glupteba behavioral2/memory/4824-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4824-44-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4824-42-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4824-45-0x0000000004610000-0x0000000004EFB000-memory.dmp family_glupteba behavioral2/memory/1492-120-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-198-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-208-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-209-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-211-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-213-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-216-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-217-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-225-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-227-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/1656-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 756 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1656 csrss.exe 1860 injector.exe 3780 windefender.exe 1892 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9ae-201.dat upx behavioral2/memory/3780-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3780-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1892-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1892-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1892-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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:
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe -
Drops file in Windows directory 4 IoCs
Processes:
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe File created C:\Windows\rss\csrss.exe 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.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 3392 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 5100 powershell.exe 3592 powershell.exe 3392 powershell.exe 1572 powershell.exe 2416 powershell.exe 3796 powershell.exe 948 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 2972 3592 WerFault.exe 78 -
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 1588 schtasks.exe 3416 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exepowershell.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3592 powershell.exe 3592 powershell.exe 4824 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 4824 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 3392 powershell.exe 3392 powershell.exe 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 1572 powershell.exe 1572 powershell.exe 2416 powershell.exe 2416 powershell.exe 3796 powershell.exe 3796 powershell.exe 948 powershell.exe 948 powershell.exe 5100 powershell.exe 5100 powershell.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1656 csrss.exe 1656 csrss.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1656 csrss.exe 1656 csrss.exe 1860 injector.exe 1860 injector.exe 1656 csrss.exe 1656 csrss.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe 1860 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3592 powershell.exe Token: SeDebugPrivilege 4824 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Token: SeImpersonatePrivilege 4824 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Token: SeDebugPrivilege 3392 powershell.exe Token: SeDebugPrivilege 1572 powershell.exe Token: SeDebugPrivilege 2416 powershell.exe Token: SeDebugPrivilege 3796 powershell.exe Token: SeDebugPrivilege 948 powershell.exe Token: SeDebugPrivilege 5100 powershell.exe Token: SeSystemEnvironmentPrivilege 1656 csrss.exe Token: SeSecurityPrivilege 3392 sc.exe Token: SeSecurityPrivilege 3392 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4824 wrote to memory of 3592 4824 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 78 PID 4824 wrote to memory of 3592 4824 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 78 PID 4824 wrote to memory of 3592 4824 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 78 PID 1492 wrote to memory of 3392 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 86 PID 1492 wrote to memory of 3392 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 86 PID 1492 wrote to memory of 3392 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 86 PID 1492 wrote to memory of 1000 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 88 PID 1492 wrote to memory of 1000 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 88 PID 1000 wrote to memory of 756 1000 cmd.exe 90 PID 1000 wrote to memory of 756 1000 cmd.exe 90 PID 1492 wrote to memory of 1572 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 91 PID 1492 wrote to memory of 1572 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 91 PID 1492 wrote to memory of 1572 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 91 PID 1492 wrote to memory of 2416 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 93 PID 1492 wrote to memory of 2416 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 93 PID 1492 wrote to memory of 2416 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 93 PID 1492 wrote to memory of 1656 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 95 PID 1492 wrote to memory of 1656 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 95 PID 1492 wrote to memory of 1656 1492 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 95 PID 1656 wrote to memory of 3796 1656 csrss.exe 96 PID 1656 wrote to memory of 3796 1656 csrss.exe 96 PID 1656 wrote to memory of 3796 1656 csrss.exe 96 PID 1656 wrote to memory of 948 1656 csrss.exe 101 PID 1656 wrote to memory of 948 1656 csrss.exe 101 PID 1656 wrote to memory of 948 1656 csrss.exe 101 PID 1656 wrote to memory of 5100 1656 csrss.exe 104 PID 1656 wrote to memory of 5100 1656 csrss.exe 104 PID 1656 wrote to memory of 5100 1656 csrss.exe 104 PID 1656 wrote to memory of 1860 1656 csrss.exe 106 PID 1656 wrote to memory of 1860 1656 csrss.exe 106 PID 3780 wrote to memory of 5024 3780 windefender.exe 112 PID 3780 wrote to memory of 5024 3780 windefender.exe 112 PID 3780 wrote to memory of 5024 3780 windefender.exe 112 PID 5024 wrote to memory of 3392 5024 cmd.exe 113 PID 5024 wrote to memory of 3392 5024 cmd.exe 113 PID 5024 wrote to memory of 3392 5024 cmd.exe 113 -
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\759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe"C:\Users\Admin\AppData\Local\Temp\759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4824 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3592 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 22963⤵
- Program crash
PID:2972
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C:\Users\Admin\AppData\Local\Temp\759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe"C:\Users\Admin\AppData\Local\Temp\759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.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:1492 -
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:3392
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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:1000 -
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:756
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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:1572
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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:2416
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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:1656 -
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:3796
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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:1588
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4692
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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:948
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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:5100
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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:1860
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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:3416
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3780 -
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:5024 -
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:3392
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3592 -ip 35921⤵PID:3824
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1892
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d06645f5327af3af35cd3487c1abcf98
SHA1dc80dcaf26ab84aaa3ec5de3049a217326766e22
SHA2566c2721c32bb961f2aa4362645d20a541f7d51f17569bffd6c731e56195a4e0fc
SHA51207af281be45b049abe93d051e8b8b6e7159756b24279d5a43491ede41628a6a57d72a1c42bcae1fd46c144afbe53b6dcb4560f6883affd0fad1b23c096235def
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ad9897a3edaa3f2f3667cc1e219b8dae
SHA1283a15d7dc512337b5aaa9c2c9daa59c24291806
SHA256148a821fc52a8a07bf60fcbecef7bfed0a1a41cab29a0792ab865a7ea8d00ab4
SHA5124e68cfdf187d772267c451d68c15c93fbfacf94320dce8aa6c8af562a0c09a9c5431ae9b3955dc6fba6620a685195c3d8ee248af1d51acd51dc5b0fff976da40
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8ffe314ca3477712b19de362b0dcb96
SHA149748150afa087771f23f3c410d8fc37f818390d
SHA2564f9d9a72009c940a6ea6d3ad40640c27b6860ab16dd6df96ed44677c266ac2fd
SHA5121ee1fd77eeee119bece6fcc3ad63084f96de7934aa4db79a593a57e4693503f1412d1ca54b66179044b63018f6b251ce23ae53c0ae5d40b29d955ab91d0902bf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cff2fb6143502ca01feaea48e4d51e5d
SHA1833b1b02d4a203dcbf2a018c77dc85cdfbd145e3
SHA25603d7fa0d2a1d7a9d6bc985cb5285aa6f7f1e96acb4682186b62dbaf74d80fa44
SHA512b50b566810c5f65010ab794c99256f3eab700cd4667e72ba10c09fb25c81bb8db58a217784b016e44ec67a9dce144482fb3a19ffe5adf209c98ed9ccbfb13009
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5217d0ab5520adc7c56a2757cd83a1772
SHA1ea22c2935d1c72179b258e4b5ac944ac3228c977
SHA256dff2ac058500128ea04ea0a429632936e3a0e138af005f7516121d3baafdd5c5
SHA51231393ed61294c4e5b142852233135e72034fc8c80fc9fcf4b3172ba878682a9edd88b533de029f2443034721d9de84278c3d4c1e5e043b9f13dd5284ba3cd99d
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Filesize
4.1MB
MD5fb2e39a18034b445e399231ee30e2975
SHA1049da88aa893e985cc5641c4c214189f0ab407f4
SHA256759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc
SHA5126b57c8b90187f1a3cc8ea0fde900420de8a574ee75160f25914d1bbf5dcd17e33a54bf73423d6309d5758f9c4d3c87cf76951f1fe7c66935684dba78be0a7c13
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec