Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:19
Static task
static1
Behavioral task
behavioral1
Sample
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe
Resource
win7-20240215-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/3572-2-0x0000000004630000-0x0000000004F1B000-memory.dmp family_glupteba behavioral2/memory/3572-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3572-57-0x0000000004630000-0x0000000004F1B000-memory.dmp family_glupteba behavioral2/memory/3572-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3572-55-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3212-137-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-240-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-242-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-244-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-246-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-248-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-250-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4968-252-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4364 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4968 csrss.exe 2740 injector.exe 588 windefender.exe 1516 windefender.exe -
Processes:
resource yara_rule behavioral2/memory/588-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000800000002343d-224.dat upx behavioral2/memory/588-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1516-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1516-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1516-235-0x0000000000400000-0x00000000008DF000-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-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
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 1248 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1452 powershell.exe 860 powershell.exe 712 powershell.exe 4636 powershell.exe 436 powershell.exe 2236 powershell.exe 4752 powershell.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 3364 3572 WerFault.exe 84 4888 3212 WerFault.exe 94 -
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 1720 schtasks.exe 4964 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exepowershell.exepowershell.exepowershell.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.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,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East 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\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-32 = "Mid-Atlantic Standard 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" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.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,-1892 = "Russia TZ 3 Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-392 = "Arab Standard 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\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.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,-331 = "E. Europe Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exepowershell.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4636 powershell.exe 4636 powershell.exe 3572 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 3572 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 436 powershell.exe 436 powershell.exe 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 2236 powershell.exe 2236 powershell.exe 4752 powershell.exe 4752 powershell.exe 4752 powershell.exe 1452 powershell.exe 1452 powershell.exe 1452 powershell.exe 860 powershell.exe 860 powershell.exe 860 powershell.exe 712 powershell.exe 712 powershell.exe 712 powershell.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 4968 csrss.exe 4968 csrss.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 4968 csrss.exe 4968 csrss.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 4968 csrss.exe 4968 csrss.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe 2740 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4636 powershell.exe Token: SeDebugPrivilege 3572 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Token: SeImpersonatePrivilege 3572 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe Token: SeDebugPrivilege 436 powershell.exe Token: SeDebugPrivilege 2236 powershell.exe Token: SeDebugPrivilege 4752 powershell.exe Token: SeDebugPrivilege 1452 powershell.exe Token: SeDebugPrivilege 860 powershell.exe Token: SeDebugPrivilege 712 powershell.exe Token: SeSystemEnvironmentPrivilege 4968 csrss.exe Token: SeSecurityPrivilege 1248 sc.exe Token: SeSecurityPrivilege 1248 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3572 wrote to memory of 4636 3572 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 88 PID 3572 wrote to memory of 4636 3572 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 88 PID 3572 wrote to memory of 4636 3572 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 88 PID 3212 wrote to memory of 436 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 98 PID 3212 wrote to memory of 436 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 98 PID 3212 wrote to memory of 436 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 98 PID 3212 wrote to memory of 3972 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 100 PID 3212 wrote to memory of 3972 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 100 PID 3972 wrote to memory of 4364 3972 cmd.exe 102 PID 3972 wrote to memory of 4364 3972 cmd.exe 102 PID 3212 wrote to memory of 2236 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 103 PID 3212 wrote to memory of 2236 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 103 PID 3212 wrote to memory of 2236 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 103 PID 3212 wrote to memory of 4752 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 125 PID 3212 wrote to memory of 4752 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 125 PID 3212 wrote to memory of 4752 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 125 PID 3212 wrote to memory of 4968 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 110 PID 3212 wrote to memory of 4968 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 110 PID 3212 wrote to memory of 4968 3212 759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc.exe 110 PID 4968 wrote to memory of 1452 4968 csrss.exe 113 PID 4968 wrote to memory of 1452 4968 csrss.exe 113 PID 4968 wrote to memory of 1452 4968 csrss.exe 113 PID 4968 wrote to memory of 860 4968 csrss.exe 122 PID 4968 wrote to memory of 860 4968 csrss.exe 122 PID 4968 wrote to memory of 860 4968 csrss.exe 122 PID 4968 wrote to memory of 712 4968 csrss.exe 127 PID 4968 wrote to memory of 712 4968 csrss.exe 127 PID 4968 wrote to memory of 712 4968 csrss.exe 127 PID 4968 wrote to memory of 2740 4968 csrss.exe 129 PID 4968 wrote to memory of 2740 4968 csrss.exe 129 PID 588 wrote to memory of 2004 588 windefender.exe 135 PID 588 wrote to memory of 2004 588 windefender.exe 135 PID 588 wrote to memory of 2004 588 windefender.exe 135 PID 2004 wrote to memory of 1248 2004 cmd.exe 136 PID 2004 wrote to memory of 1248 2004 cmd.exe 136 PID 2004 wrote to memory of 1248 2004 cmd.exe 136 -
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:3572 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4636
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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:3212 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:436
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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:3972 -
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:4364
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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:2236
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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:4752
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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:4968 -
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:1452
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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:1720
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3748
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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:860
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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:712
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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:2740
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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:4964
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:588 -
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:2004 -
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:1248
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3212 -s 8483⤵
- Program crash
PID:4888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3572 -s 8362⤵
- Program crash
PID:3364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3572 -ip 35721⤵PID:3372
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3212 -ip 32121⤵PID:2540
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.11⤵PID:4752
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1516
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
MD52c38ec788cf26555d076e23c7fca3e19
SHA1200307b290ffdd69e408ab8cd421c191fa29215c
SHA25663463078c25c4c8b931d650c536026400fd096d3f50187151cbe275f8bcc4609
SHA5120771280aab780056149b52bee1046a606c13b962c3a026832ed143b15264b31ad9aadacc8e2a2ed71be9bf6fa2708c51cef26e21608eb2b15ff1dbd7fa96913e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ab32eb12a465b027c1af1100b37caf2b
SHA1a9a42d1e927669db7c8c15c0018e6e8678ab74e5
SHA256b21dd968cc099a167f8292f77bba614de919eb40c7fc0f0e3cee97afc26fe23d
SHA51286935b7956f74f770d18a841beb313169a4c03b8a16fda58c2c665f4d8e17c4166d04814bdc8c053b4f29f75b785c557fdaf4783dec821586be19da83e1c0020
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a6ff150e93d5c6cb4429ad7a3c124eae
SHA13a982c2854167235b168510acbbc965c1790f5fc
SHA256429cebe21b1c2059b9e4780d7cf8343b675b6d66484f3f83f95b47fba375b79a
SHA51220fc5ff41b90971a23714370bffcb59e8796822b97f5ddb8d0d0551a0036a3ce8eabe07e7592584998f6d9b10d74e6e177db1d3a5c49cf47bef8fe126e2ee7ae
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD573ae2abf44f795cc6078b1165cb6c7a0
SHA17805917c0416a43d198264ec55e4adee4d8151f4
SHA2560a74a0173e4d34047fe4a834dc33062b117c394e7d3bff2dd63896c0dfd2faab
SHA512cf47fb43ac712ed2a631526d5bd131e8297d645ae6c9e8c4c956d929d91651a1cd31b176377c2f79fe3d14b32e4294c2f2aa48b0b8757c3b15e8612a586fd869
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5928e9097275109baa93cd7f624da4c9e
SHA147d3ed8682735b520e545827121e729612c4efd1
SHA2564848516076970bad9537455b7ebab5bf6b2513d2575cb62e36b3fd94061c8cd6
SHA512d7b359a54ac7c921a2428988ee99c4279f68ebedc200e5f125b84de1d9ca4006195152759e44f0ac79e94ade5a2367932e961f4f42d61707c7d8a6e5927124d4
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Filesize
4.1MB
MD5fb2e39a18034b445e399231ee30e2975
SHA1049da88aa893e985cc5641c4c214189f0ab407f4
SHA256759b9b44ab8b9852b1465a87b22bae6169012b304ea1920fb6c5553ff87116fc
SHA5126b57c8b90187f1a3cc8ea0fde900420de8a574ee75160f25914d1bbf5dcd17e33a54bf73423d6309d5758f9c4d3c87cf76951f1fe7c66935684dba78be0a7c13
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec