Analysis
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max time kernel
149s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-05-2024 09:48
Static task
static1
Behavioral task
behavioral1
Sample
eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe
Resource
win10v2004-20240508-en
General
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Target
eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe
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Size
4.1MB
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MD5
fcf55da713972b81c3d11a0e4841d371
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SHA1
ac62de1e809b67b0632dce378038c96e5764b475
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SHA256
eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f
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SHA512
51edd04cd6c1cf1b618e24e6e1d777400316b8705e27737d20f78fff0aa78daf7b306da0b9a1972b864d31b66d027b92531694aea2893a16a9f52c106e74fb69
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SSDEEP
98304:tH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ58:kr7OagDbOPW/F2k5tRZaLrW
Malware Config
Signatures
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Glupteba payload 17 IoCs
Processes:
resource yara_rule behavioral2/memory/240-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/240-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/240-73-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/240-75-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/4692-127-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-201-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-221-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 408 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2496 csrss.exe 1496 injector.exe 4796 windefender.exe 3996 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa3b-205.dat upx behavioral2/memory/4796-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3996-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4796-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3996-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3996-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 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 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 -
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:
eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe -
Drops file in Windows directory 4 IoCs
Processes:
eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.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 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 1308 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1452 powershell.exe 1644 powershell.exe 5092 powershell.exe 1964 powershell.exe 3064 powershell.exe 4636 powershell.exe 2008 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 3076 schtasks.exe 3040 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exeeb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.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\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.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,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeeb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exepowershell.exeeb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1964 powershell.exe 1964 powershell.exe 240 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 240 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 3064 powershell.exe 3064 powershell.exe 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 4636 powershell.exe 4636 powershell.exe 2008 powershell.exe 2008 powershell.exe 1452 powershell.exe 1452 powershell.exe 1644 powershell.exe 1644 powershell.exe 5092 powershell.exe 5092 powershell.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 2496 csrss.exe 2496 csrss.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 2496 csrss.exe 2496 csrss.exe 1496 injector.exe 1496 injector.exe 2496 csrss.exe 2496 csrss.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe 1496 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exeeb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1964 powershell.exe Token: SeDebugPrivilege 240 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Token: SeImpersonatePrivilege 240 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe Token: SeDebugPrivilege 3064 powershell.exe Token: SeDebugPrivilege 4636 powershell.exe Token: SeDebugPrivilege 2008 powershell.exe Token: SeDebugPrivilege 1452 powershell.exe Token: SeDebugPrivilege 1644 powershell.exe Token: SeDebugPrivilege 5092 powershell.exe Token: SeSystemEnvironmentPrivilege 2496 csrss.exe Token: SeSecurityPrivilege 1308 sc.exe Token: SeSecurityPrivilege 1308 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exeeb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 240 wrote to memory of 1964 240 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 82 PID 240 wrote to memory of 1964 240 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 82 PID 240 wrote to memory of 1964 240 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 82 PID 4692 wrote to memory of 3064 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 87 PID 4692 wrote to memory of 3064 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 87 PID 4692 wrote to memory of 3064 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 87 PID 4692 wrote to memory of 4548 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 89 PID 4692 wrote to memory of 4548 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 89 PID 4548 wrote to memory of 408 4548 cmd.exe 91 PID 4548 wrote to memory of 408 4548 cmd.exe 91 PID 4692 wrote to memory of 4636 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 92 PID 4692 wrote to memory of 4636 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 92 PID 4692 wrote to memory of 4636 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 92 PID 4692 wrote to memory of 2008 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 94 PID 4692 wrote to memory of 2008 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 94 PID 4692 wrote to memory of 2008 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 94 PID 4692 wrote to memory of 2496 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 96 PID 4692 wrote to memory of 2496 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 96 PID 4692 wrote to memory of 2496 4692 eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe 96 PID 2496 wrote to memory of 1452 2496 csrss.exe 97 PID 2496 wrote to memory of 1452 2496 csrss.exe 97 PID 2496 wrote to memory of 1452 2496 csrss.exe 97 PID 2496 wrote to memory of 1644 2496 csrss.exe 103 PID 2496 wrote to memory of 1644 2496 csrss.exe 103 PID 2496 wrote to memory of 1644 2496 csrss.exe 103 PID 2496 wrote to memory of 5092 2496 csrss.exe 105 PID 2496 wrote to memory of 5092 2496 csrss.exe 105 PID 2496 wrote to memory of 5092 2496 csrss.exe 105 PID 2496 wrote to memory of 1496 2496 csrss.exe 107 PID 2496 wrote to memory of 1496 2496 csrss.exe 107 PID 4796 wrote to memory of 2432 4796 windefender.exe 113 PID 4796 wrote to memory of 2432 4796 windefender.exe 113 PID 4796 wrote to memory of 2432 4796 windefender.exe 113 PID 2432 wrote to memory of 1308 2432 cmd.exe 114 PID 2432 wrote to memory of 1308 2432 cmd.exe 114 PID 2432 wrote to memory of 1308 2432 cmd.exe 114 -
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\eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe"C:\Users\Admin\AppData\Local\Temp\eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1964
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C:\Users\Admin\AppData\Local\Temp\eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.exe"C:\Users\Admin\AppData\Local\Temp\eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f.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:4692 -
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:3064
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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:4548 -
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:408
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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:4636
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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:2008
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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:2496 -
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:3076
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2468
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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:1644
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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:5092
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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:1496
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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:3040
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4796 -
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:2432 -
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:1308
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3996
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
MD529ff417f9ae6a80cc7510e41a6589af7
SHA13d8d7515d00ead303671e8ba1a1841aa581e48ed
SHA256d4233adae1813aea6401eb72793c0f6b335e56845ab311f959487863619cd8b2
SHA512f01b62d055e42fce7a5cc958e3a4a469f66adc0cd3515c1631ae7c96b7b543c8485cae987b6d29dbf592a5614356001855158eae04e5d1dbc0a23f30e0a9b719
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a83647bb1d91a6d4948fefa5ae66c086
SHA1a3b485784213455f5d71f1a9baaac22aea96da80
SHA2568d42f0dfa25f265aa986248003a1dd597c758d463a5dc7f19b3be7675caa6424
SHA51237214a1e1a4ff04d8e840b233ec8baff9bd779e33100d99bb7ebca5823969dc438cd385735dd5ca72dbbe0f249ed440ab6422328c9d65fc401370fc7053cfdd9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e716ccf4c04d67c67a3329f4a82b3111
SHA10e836b25e01b50b7682b38c95ddeef5b7d6e0244
SHA256f496f619550fbab5213a0bb3c29fd35f802398d8c13c714dca7eb90b1730f832
SHA5127efa6b02f5677ec0578281bf54e4ac802c74587976c16cb10529f0478d20892b7ea022ec05ebcd28a5d3264b12f4258be1c6b2773c2213f69e5b316901475763
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD527579ea2e0811d41e78dcff53d5bf3ad
SHA10d6b00165fdfb699ae9c78ec1d0e040dda184efc
SHA256b72da9d68e7d5b805ae420b4b024a19b6f300dbc4e4619be7e73996f2128294e
SHA512d5d0e48949a9fa487be5b2624314bf5038740a336f9232bb6be871d4253b7005fbeb446cb0aae6443a6157924e676e4e11987afc1c353290f6e61aad35f2ca4b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548c7e443d58bcd5b25c0ab0890fca142
SHA19cea400b972cafbb2150d7797fb6242f6dbd63bc
SHA256aa7ff657fadc3ff464f9c7005130449ad2c6624b668980e281f4a1af14f85acc
SHA512e6bc332ddb9464d20a07ff8a2aceebbb3f1b363df76c709bc222516d0e0a5408a44931b46d138d4c2121c88cb27eb0cba9fbf3e5c359a52f658e940433bcb9fa
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Filesize
4.1MB
MD5fcf55da713972b81c3d11a0e4841d371
SHA1ac62de1e809b67b0632dce378038c96e5764b475
SHA256eb2cc9fdc221b42b700d71f1c38ca90c75eaad21df5c5e5077ae9be2f446f97f
SHA51251edd04cd6c1cf1b618e24e6e1d777400316b8705e27737d20f78fff0aa78daf7b306da0b9a1972b864d31b66d027b92531694aea2893a16a9f52c106e74fb69
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec