Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 09:47
Static task
static1
Behavioral task
behavioral1
Sample
e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe
Resource
win10v2004-20240508-en
General
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Target
e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe
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Size
4.1MB
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MD5
3c0fd43d71ce768214bc91d04beb6a29
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SHA1
f5b3fee177084125811ab4e7736d9c0ce68e00e4
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SHA256
e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27
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SHA512
48570ec488f97b86261b9b1f19e9c08ad10c6f068fd646dbb98d4065f80ed3f34fdb4866352aeb6911245e9534dd88cf1ae4eb3c94072d49dff7f9b46855585e
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SSDEEP
98304:tH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5Y:kr7OagDbOPW/F2k5tRZaLru
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/208-2-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/208-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/208-58-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/208-85-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3908-134-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-210-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-253-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1012-259-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1536 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1012 csrss.exe 4220 injector.exe 4520 windefender.exe 3740 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000023456-221.dat upx behavioral1/memory/4520-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3740-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4520-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3740-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3740-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe -
Drops file in Windows directory 4 IoCs
Processes:
e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.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 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3396 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 628 powershell.exe 3948 powershell.exe 2996 powershell.exe 632 powershell.exe 3816 powershell.exe 2256 powershell.exe 2856 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 2332 schtasks.exe 4476 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exee71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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,-2532 = "Chatham Islands Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.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\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.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" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand 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,-2531 = "Chatham Islands Daylight Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight 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" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-2182 = "Astrakhan Standard Time" windefender.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\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa 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,-131 = "US Eastern Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exee71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exepowershell.exee71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 628 powershell.exe 628 powershell.exe 208 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 208 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 3948 powershell.exe 3948 powershell.exe 3948 powershell.exe 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 2996 powershell.exe 2996 powershell.exe 632 powershell.exe 632 powershell.exe 632 powershell.exe 3816 powershell.exe 3816 powershell.exe 2256 powershell.exe 2256 powershell.exe 2856 powershell.exe 2856 powershell.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 1012 csrss.exe 1012 csrss.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 1012 csrss.exe 1012 csrss.exe 4220 injector.exe 4220 injector.exe 1012 csrss.exe 1012 csrss.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe 4220 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exee71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 628 powershell.exe Token: SeDebugPrivilege 208 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Token: SeImpersonatePrivilege 208 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe Token: SeDebugPrivilege 3948 powershell.exe Token: SeDebugPrivilege 2996 powershell.exe Token: SeDebugPrivilege 632 powershell.exe Token: SeDebugPrivilege 3816 powershell.exe Token: SeDebugPrivilege 2256 powershell.exe Token: SeDebugPrivilege 2856 powershell.exe Token: SeSystemEnvironmentPrivilege 1012 csrss.exe Token: SeSecurityPrivilege 3396 sc.exe Token: SeSecurityPrivilege 3396 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exee71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 208 wrote to memory of 628 208 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 87 PID 208 wrote to memory of 628 208 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 87 PID 208 wrote to memory of 628 208 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 87 PID 3908 wrote to memory of 3948 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 96 PID 3908 wrote to memory of 3948 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 96 PID 3908 wrote to memory of 3948 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 96 PID 3908 wrote to memory of 1620 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 100 PID 3908 wrote to memory of 1620 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 100 PID 1620 wrote to memory of 1536 1620 cmd.exe 102 PID 1620 wrote to memory of 1536 1620 cmd.exe 102 PID 3908 wrote to memory of 2996 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 103 PID 3908 wrote to memory of 2996 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 103 PID 3908 wrote to memory of 2996 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 103 PID 3908 wrote to memory of 632 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 106 PID 3908 wrote to memory of 632 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 106 PID 3908 wrote to memory of 632 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 106 PID 3908 wrote to memory of 1012 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 108 PID 3908 wrote to memory of 1012 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 108 PID 3908 wrote to memory of 1012 3908 e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe 108 PID 1012 wrote to memory of 3816 1012 csrss.exe 109 PID 1012 wrote to memory of 3816 1012 csrss.exe 109 PID 1012 wrote to memory of 3816 1012 csrss.exe 109 PID 1012 wrote to memory of 2256 1012 csrss.exe 114 PID 1012 wrote to memory of 2256 1012 csrss.exe 114 PID 1012 wrote to memory of 2256 1012 csrss.exe 114 PID 1012 wrote to memory of 2856 1012 csrss.exe 117 PID 1012 wrote to memory of 2856 1012 csrss.exe 117 PID 1012 wrote to memory of 2856 1012 csrss.exe 117 PID 1012 wrote to memory of 4220 1012 csrss.exe 120 PID 1012 wrote to memory of 4220 1012 csrss.exe 120 PID 4520 wrote to memory of 3144 4520 windefender.exe 126 PID 4520 wrote to memory of 3144 4520 windefender.exe 126 PID 4520 wrote to memory of 3144 4520 windefender.exe 126 PID 3144 wrote to memory of 3396 3144 cmd.exe 127 PID 3144 wrote to memory of 3396 3144 cmd.exe 127 PID 3144 wrote to memory of 3396 3144 cmd.exe 127 -
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\e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe"C:\Users\Admin\AppData\Local\Temp\e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:628
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C:\Users\Admin\AppData\Local\Temp\e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.exe"C:\Users\Admin\AppData\Local\Temp\e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27.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:3908 -
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:3948
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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:1620 -
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:1536
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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:2996
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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:632
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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:1012 -
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:3816
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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:4476
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4776
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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:2256
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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:2856
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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:4220
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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:2332
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4520 -
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:3144 -
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:3396
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3740
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
MD5240af1b168e5433e72d8b55e5e281ba4
SHA1bd023b9f4ae87d1ae35158ea7018a232ed58e474
SHA256f8531aa51f77b5d3b6e2c6d46998de48344f89bf4a51a98d2ab6661fc360c1ab
SHA512fcb3b245009e33330609b854529c92c4a13ebe427543336f394d8b6505551e60c171d9f5c1352633f537b2b827f266819d442aeacfa689c51f39aca590b75ac7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55d73ad9184af8abee076cf194745ebae
SHA11343bcf5a6883a20d302253989b3bde610bd3cf1
SHA2566053df780afd274ae827f9bd698c232e56db943178c4ce9841ec036af5fcf065
SHA512a8e6ae684f9c2db1a6945663530ef594a131ed2fce8312c813f8d93ef0eaa8f365c056f0935743c6a3265272501a636b497889fdcad3665a92279a407073583b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56744dff360506b79b4df3ef49479b242
SHA1d277fbc1912780334b38a5d36512fd5d0f604768
SHA2567f08d265cbecb1fa45ed8d8e94cd0131acaed9e7f1ee0c141e1ee602d48b42a9
SHA512f0d4a069cb5f794987c052873d496e1ad5a785d9cdbcb10628a988389629e225e984d14c07d65ec8c795af4a358846c4f7e6a6e0e3c755da80c8af61455ff857
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5672690afcdc66a4baa329417750f017a
SHA1b629175b1ae70c97e81ac4657a1807772c097cb0
SHA2561dda021c8144f13f3778c40f8df51030b6ac454d0d7ab896d384bf8da5d593fe
SHA512591e212e7bb9390cc546822868b20cecf095c879b70cb63c56dfec5c1b5b3ced1014710747bbd253c2e7bbd3211b43c7e2db5c47a2fe94941cbb40518ec5febc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59d7312a6dcd363243433c4a6ff52936e
SHA1e950e120ba85eb3d4153cc2ca7bfb24be7797989
SHA256203a01f0ba8792fd66fd2d2692a19eac3e036ced9ae33342c2a1e3d7f433d677
SHA512e443c48c3fe076249eddbd1739d4ef02af06ddba0784897c4d8f082c25bb8f8711e9bc6c534baa004be7d10528a94679b91052530b7e829ad0e40ca7c9c250ea
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Filesize
4.1MB
MD53c0fd43d71ce768214bc91d04beb6a29
SHA1f5b3fee177084125811ab4e7736d9c0ce68e00e4
SHA256e71fe768f65495d29051dfe207ee2996c47ec1c39a9d5154cbc1fcf670e7ed27
SHA51248570ec488f97b86261b9b1f19e9c08ad10c6f068fd646dbb98d4065f80ed3f34fdb4866352aeb6911245e9534dd88cf1ae4eb3c94072d49dff7f9b46855585e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec