Analysis
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max time kernel
150s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:50
Static task
static1
Behavioral task
behavioral1
Sample
1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe
Resource
win10v2004-20240508-en
General
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Target
1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe
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Size
4.1MB
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MD5
d81fc6bd6feb7bce50df447445b23d7c
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SHA1
abe104368b516c72d49eb00114b1f7219baaba68
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SHA256
1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b
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SHA512
af89d0be4a704317150101519d9deda5efb66596f801dfb3722eecd36a08cb66732bd92104181ae44b9a562af87d0177b674903aa49ea7aaa9647e87dca63dab
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SSDEEP
98304:HquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0y:YLmIkbquibpii2yAk4+2fEKmbN
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/3664-2-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/3664-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4904-57-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/3664-80-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3664-97-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/4904-132-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4904-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1352-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1352-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1352-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1352-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1352-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1352-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1352-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1352-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1352-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1352-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1352-266-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1352-269-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3744 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1352 csrss.exe 4632 injector.exe 4348 windefender.exe 1472 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4348-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1472-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4348-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1472-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1472-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1472-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 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:
1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe -
Drops file in Windows directory 4 IoCs
Processes:
1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 2960 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 4484 powershell.exe 3960 powershell.exe 4540 powershell.exe 608 powershell.exe 2948 powershell.exe 1324 powershell.exe 5112 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 3920 schtasks.exe 3960 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exepowershell.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.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\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\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,-2792 = "Novosibirsk Standard 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,-652 = "AUS Central Standard Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.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\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.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,-2161 = "Altai Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exepowershell.exe1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1324 powershell.exe 1324 powershell.exe 3664 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe 3664 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe 5112 powershell.exe 5112 powershell.exe 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe 4484 powershell.exe 4484 powershell.exe 3960 powershell.exe 3960 powershell.exe 4540 powershell.exe 4540 powershell.exe 608 powershell.exe 608 powershell.exe 2948 powershell.exe 2948 powershell.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 1352 csrss.exe 4632 injector.exe 1352 csrss.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 1352 csrss.exe 1352 csrss.exe 4632 injector.exe 4632 injector.exe 1352 csrss.exe 1352 csrss.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe 4632 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1324 powershell.exe Token: SeDebugPrivilege 3664 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Token: SeImpersonatePrivilege 3664 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe Token: SeDebugPrivilege 5112 powershell.exe Token: SeDebugPrivilege 4484 powershell.exe Token: SeDebugPrivilege 3960 powershell.exe Token: SeDebugPrivilege 4540 powershell.exe Token: SeDebugPrivilege 608 powershell.exe Token: SeDebugPrivilege 2948 powershell.exe Token: SeSystemEnvironmentPrivilege 1352 csrss.exe Token: SeSecurityPrivilege 2960 sc.exe Token: SeSecurityPrivilege 2960 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3664 wrote to memory of 1324 3664 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe powershell.exe PID 3664 wrote to memory of 1324 3664 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe powershell.exe PID 3664 wrote to memory of 1324 3664 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe powershell.exe PID 4904 wrote to memory of 5112 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe powershell.exe PID 4904 wrote to memory of 5112 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe powershell.exe PID 4904 wrote to memory of 5112 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe powershell.exe PID 4904 wrote to memory of 4356 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe cmd.exe PID 4904 wrote to memory of 4356 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe cmd.exe PID 4356 wrote to memory of 3744 4356 cmd.exe netsh.exe PID 4356 wrote to memory of 3744 4356 cmd.exe netsh.exe PID 4904 wrote to memory of 4484 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe powershell.exe PID 4904 wrote to memory of 4484 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe powershell.exe PID 4904 wrote to memory of 4484 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe powershell.exe PID 4904 wrote to memory of 3960 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe powershell.exe PID 4904 wrote to memory of 3960 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe powershell.exe PID 4904 wrote to memory of 3960 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe powershell.exe PID 4904 wrote to memory of 1352 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe csrss.exe PID 4904 wrote to memory of 1352 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe csrss.exe PID 4904 wrote to memory of 1352 4904 1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe csrss.exe PID 1352 wrote to memory of 4540 1352 csrss.exe powershell.exe PID 1352 wrote to memory of 4540 1352 csrss.exe powershell.exe PID 1352 wrote to memory of 4540 1352 csrss.exe powershell.exe PID 1352 wrote to memory of 608 1352 csrss.exe powershell.exe PID 1352 wrote to memory of 608 1352 csrss.exe powershell.exe PID 1352 wrote to memory of 608 1352 csrss.exe powershell.exe PID 1352 wrote to memory of 2948 1352 csrss.exe powershell.exe PID 1352 wrote to memory of 2948 1352 csrss.exe powershell.exe PID 1352 wrote to memory of 2948 1352 csrss.exe powershell.exe PID 1352 wrote to memory of 4632 1352 csrss.exe injector.exe PID 1352 wrote to memory of 4632 1352 csrss.exe injector.exe PID 4348 wrote to memory of 2284 4348 windefender.exe cmd.exe PID 4348 wrote to memory of 2284 4348 windefender.exe cmd.exe PID 4348 wrote to memory of 2284 4348 windefender.exe cmd.exe PID 2284 wrote to memory of 2960 2284 cmd.exe sc.exe PID 2284 wrote to memory of 2960 2284 cmd.exe sc.exe PID 2284 wrote to memory of 2960 2284 cmd.exe sc.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe"C:\Users\Admin\AppData\Local\Temp\1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1324 -
C:\Users\Admin\AppData\Local\Temp\1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.exe"C:\Users\Admin\AppData\Local\Temp\1bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b.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:4904 -
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:5112 -
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:4356 -
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:3744 -
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:4484 -
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:3960 -
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:1352 -
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:4540 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3920 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3492
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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:608 -
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:2948 -
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:4632 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3960 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4348 -
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:2284 -
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:2960
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1472
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
MD53f8fa026866973d7866b1a4ff3f2bfca
SHA17816f8b60f4d29c079efbcd656186d2c96b901ec
SHA256e508f4b10a9f4cac8b74d44648603839a25898ac41e2332cda007b79c1a8ee2c
SHA512cb70ef1a8ffff0e2d4ba299bc69b39e60a5a9f9d3fb8f0487a0f4c9513455f74c19da0a04e97cf8a1712c806c3faf95b11fd0b4ed94139cc93d573276451cfa7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5910dbe92556ddfac4d5e12ce12f766bb
SHA1b2ef08a0669eb9d97f4173d1fc1a9d5c4a123a08
SHA256b1628057b799508b3b19065966d6a1c0389bb4f29ca34e054b4f003d111d40cf
SHA51235faf41d3df66752f7b06ef818463eb5e5286cc333a9e0430107676a2ada813106476bdba190539b12c1af377dbd2563758b96f3ca2ba7d3377a16e4651c36dc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52972de82bd6eafa8a25720464f2d4f15
SHA16bccb9de826fe8e1490e1009609546c50646ac14
SHA256fd1106803cccd207ed29d26e05fd0699218affceadeda0215a6b2e6b4d9ed1c4
SHA512f2b4d0609125c0902363bbf0b780c59d1e4f77ca8fa6051644328fe823c307a6dbbf7108d0f0a0925d242f3a02d771416795bf2a47dffeb7716357b58bf4044f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a5fb87da8b1eb06cd6b6109aced5a1cc
SHA14e74b2d82c554b506a952d89079a5b03756fc497
SHA2566d8f0ddbd9aca7ce6025264c0fa9879d6556b823314abb339e7ebefcb2a4555c
SHA512ae505aeb31866533e094429ffe3bd17cffbd7c9b282776ec237e40a0a81fba3fc5bca1de0dd47a928c781e3ad9e84365549529cab8942632e708222d425489b2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a8b50cee0130458fcd947fc81abb4545
SHA1447c9f6c624c2d9b0a3069772f15970e380a24bd
SHA256487645229f2efbdcf5c592a421b7ff7c00560cadb3fa8e24ffb8b22932bb2eee
SHA512515ccf567cfe126a49648386bff76777d341be92fcac92bfa073cc35f2b818d3e5b386a05b3351d871410d284b59b3e95b77b0051fe09c8a8921a440de2f63b8
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Filesize
4.1MB
MD5d81fc6bd6feb7bce50df447445b23d7c
SHA1abe104368b516c72d49eb00114b1f7219baaba68
SHA2561bbba8693175c3d669631fb222c40c69729ff3f77d98782e4dbfe5d4e8c3dc9b
SHA512af89d0be4a704317150101519d9deda5efb66596f801dfb3722eecd36a08cb66732bd92104181ae44b9a562af87d0177b674903aa49ea7aaa9647e87dca63dab
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec