Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 17:02
Static task
static1
Behavioral task
behavioral1
Sample
b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe
Resource
win10v2004-20240508-en
General
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Target
b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe
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Size
4.1MB
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MD5
eb9df0160ed192efc462adb201695525
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SHA1
6cc4b2ddd3e2de41f1d67d032916eb6e256d8554
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SHA256
b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51
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SHA512
0b5256997333c513d230d599deef0ea0d958ad3431b806b70a95ce9af8fa43487c2fecfb95f7312d3388d9630e1ec2f4faae2f1067dd54b13bd76e80855f2460
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SSDEEP
98304:LlDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31Kmzb:R7B3j0rWdEQQ059Cfd4xbkE91Km/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3324-2-0x0000000004F90000-0x000000000587B000-memory.dmp family_glupteba behavioral1/memory/3324-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3324-7-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3324-56-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3324-58-0x0000000004F90000-0x000000000587B000-memory.dmp family_glupteba behavioral1/memory/3324-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2992-70-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/2992-136-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1448-140-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1448-213-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1448-224-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1448-231-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1448-234-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1448-237-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1448-240-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1448-243-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1448-246-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1448-249-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/1448-252-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1808 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1448 csrss.exe 1220 injector.exe 4248 windefender.exe 2124 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023421-223.dat upx behavioral1/memory/4248-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4248-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2124-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2124-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe File created C:\Windows\rss\csrss.exe b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3892 sc.exe -
pid Process 428 powershell.exe 4412 powershell.exe 968 powershell.exe 3528 powershell.exe 2564 powershell.exe 4976 powershell.exe 4068 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1568 schtasks.exe 1000 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei 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" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-562 = "SE Asia 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\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-461 = "Afghanistan Daylight Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.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,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America 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" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.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,-2611 = "Bougainville Daylight Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 968 powershell.exe 968 powershell.exe 3324 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 3324 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 3528 powershell.exe 3528 powershell.exe 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 2564 powershell.exe 2564 powershell.exe 4976 powershell.exe 4976 powershell.exe 4068 powershell.exe 4068 powershell.exe 428 powershell.exe 428 powershell.exe 4412 powershell.exe 4412 powershell.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1448 csrss.exe 1448 csrss.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1448 csrss.exe 1448 csrss.exe 1448 csrss.exe 1448 csrss.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe 1220 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 968 powershell.exe Token: SeDebugPrivilege 3324 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Token: SeImpersonatePrivilege 3324 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe Token: SeDebugPrivilege 3528 powershell.exe Token: SeDebugPrivilege 2564 powershell.exe Token: SeDebugPrivilege 4976 powershell.exe Token: SeDebugPrivilege 4068 powershell.exe Token: SeDebugPrivilege 428 powershell.exe Token: SeDebugPrivilege 4412 powershell.exe Token: SeSystemEnvironmentPrivilege 1448 csrss.exe Token: SeSecurityPrivilege 3892 sc.exe Token: SeSecurityPrivilege 3892 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3324 wrote to memory of 968 3324 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 88 PID 3324 wrote to memory of 968 3324 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 88 PID 3324 wrote to memory of 968 3324 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 88 PID 2992 wrote to memory of 3528 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 93 PID 2992 wrote to memory of 3528 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 93 PID 2992 wrote to memory of 3528 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 93 PID 2992 wrote to memory of 4776 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 96 PID 2992 wrote to memory of 4776 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 96 PID 4776 wrote to memory of 1808 4776 cmd.exe 98 PID 4776 wrote to memory of 1808 4776 cmd.exe 98 PID 2992 wrote to memory of 2564 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 99 PID 2992 wrote to memory of 2564 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 99 PID 2992 wrote to memory of 2564 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 99 PID 2992 wrote to memory of 4976 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 102 PID 2992 wrote to memory of 4976 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 102 PID 2992 wrote to memory of 4976 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 102 PID 2992 wrote to memory of 1448 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 104 PID 2992 wrote to memory of 1448 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 104 PID 2992 wrote to memory of 1448 2992 b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe 104 PID 1448 wrote to memory of 4068 1448 csrss.exe 105 PID 1448 wrote to memory of 4068 1448 csrss.exe 105 PID 1448 wrote to memory of 4068 1448 csrss.exe 105 PID 1448 wrote to memory of 428 1448 csrss.exe 111 PID 1448 wrote to memory of 428 1448 csrss.exe 111 PID 1448 wrote to memory of 428 1448 csrss.exe 111 PID 1448 wrote to memory of 4412 1448 csrss.exe 113 PID 1448 wrote to memory of 4412 1448 csrss.exe 113 PID 1448 wrote to memory of 4412 1448 csrss.exe 113 PID 1448 wrote to memory of 1220 1448 csrss.exe 115 PID 1448 wrote to memory of 1220 1448 csrss.exe 115 PID 4248 wrote to memory of 4980 4248 windefender.exe 121 PID 4248 wrote to memory of 4980 4248 windefender.exe 121 PID 4248 wrote to memory of 4980 4248 windefender.exe 121 PID 4980 wrote to memory of 3892 4980 cmd.exe 122 PID 4980 wrote to memory of 3892 4980 cmd.exe 122 PID 4980 wrote to memory of 3892 4980 cmd.exe 122 -
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\b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe"C:\Users\Admin\AppData\Local\Temp\b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3324 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:968
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C:\Users\Admin\AppData\Local\Temp\b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.exe"C:\Users\Admin\AppData\Local\Temp\b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51.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:2992 -
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:3528
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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:4776 -
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:1808
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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:2564
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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:4976
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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:1448 -
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:4068
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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:1568
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:968
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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:428
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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:4412
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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:1220
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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:1000
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4248 -
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:4980 -
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:3892
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2124
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d9856b5f0fdac3ab642411c9934cf64
SHA1f5692efee2bbf7c577da6306e11677965b35b057
SHA25689919626e62789583b0a627846e01d2f5ae87a96c3d02426d23941542d40d390
SHA512046922a4f2e6394a28ec04b14daa688e4e5faab8592fbdabbc8a34c8bdf046473e6f4a0bc9c789a5b28c5400e5ed42f428f70d6b36a7ac1e0dbab1f60841f9e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1faf2440ea3c261da5aeb5334413b8a
SHA154dad22bdc26cc17092c6ff1d9544465fd67028b
SHA2563155e837330001b50246cf194256bcb27e703fecde631d66944724eb6aef715f
SHA512700075e3ec0bf950cdc3a4f34f33ba3b7e89e5b21e17183543dd2c8fd9b342ed07802f544b5684f0e498c6487414e4f3325e60d036378070c000236ed17af233
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9cd3eeaf61e447d0e392315edee55e5
SHA123da4e277b6603ffa8a996da00cab5eb5a70ae40
SHA256150c2b139001e88fca8be8f201fcb4b1d8beb2d8ac3e749514b1ac5f654aaaad
SHA512780945f4458577c811a5cdebf4ec2172b131d3bf15686f37cfb126fd34727d2ecbcbe19ea745a3a74bcac48cad14a81805ad2b088e1cc3408bc40f0225ab1cdc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5293ae70a346563ee0380e4158d90ba55
SHA1d2304f3f6d5e60f8f2c045a3a643b15c71624e2e
SHA2563b65fcb2c5d0a4a8da982f98fa3739f7c33823e72bd1e9e8452a1e20b3541610
SHA51255067d51eaa253a0af185ee54987442090242dfd99d1fd6c3e672ba43a9e604293591e3738d9d23f06dc5cdd00921e57d827f225640a411e56ce31f5bcc6a4f9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5239cad4d9a140218ab7caa32600b8752
SHA1c037605f08e6eadc2ecfaa9be30d13e4510963c1
SHA2566588a2199f06e7fcf11084e59dde4b8c8d6040836d6664411222d2ebabb9ab44
SHA512607f95498aad5e4d649e59d64221c7c63b96d6a42c1d5b53c4f9ab16aeb61a1bdde68cc7190807567ceef1b64cd56b85dc93ee303848aacc1eb88e43416d0310
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Filesize
4.1MB
MD5eb9df0160ed192efc462adb201695525
SHA16cc4b2ddd3e2de41f1d67d032916eb6e256d8554
SHA256b622bad3af0a0c83e7ec1244edd4135fec647c22e76c04d86dc4edd551eb1d51
SHA5120b5256997333c513d230d599deef0ea0d958ad3431b806b70a95ce9af8fa43487c2fecfb95f7312d3388d9630e1ec2f4faae2f1067dd54b13bd76e80855f2460
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec