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Analysis
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max time kernel
155s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19/05/2024, 05:45
Static task
static1
Behavioral task
behavioral1
Sample
afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe
Resource
win10v2004-20240226-en
General
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Target
afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe
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Size
4.1MB
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MD5
db0dd57c36bcdc8d1bfb94e81f0986f8
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SHA1
74280e8c422f22dd03ad86b7c84ac4f860dca5a0
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SHA256
afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4
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SHA512
53fc402a00b12209df5890ece10cb213d5d73e2b23f7e1059d138996fdeeb073d35cc0cc76403941d8c95097ef68fbd45a5605ece23fccf7ac6e923bc369580c
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SSDEEP
98304:cWlQWNKQPwrulMpohZQjk4lnBk2/sgseYryCqOgI7KD2bsOvJZ+2+Y/:cW16ulMesXlnBp/sjruCqmtIOvaY
Malware Config
Signatures
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Glupteba payload 21 IoCs
resource yara_rule behavioral1/memory/3696-2-0x0000000004570000-0x0000000004E5B000-memory.dmp family_glupteba behavioral1/memory/3696-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3696-4-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3696-25-0x0000000004570000-0x0000000004E5B000-memory.dmp family_glupteba behavioral1/memory/3696-20-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3696-28-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3696-34-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3696-61-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3696-64-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3696-62-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/408-89-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/408-115-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/408-157-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3968-197-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3968-229-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3968-239-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3968-240-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3968-242-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3968-244-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3968-246-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba behavioral1/memory/3968-248-0x0000000000400000-0x0000000002362000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 848 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3968 csrss.exe 3132 injector.exe 4868 windefender.exe 1636 windefender.exe -
resource yara_rule behavioral1/files/0x000400000000070d-232.dat upx behavioral1/memory/4868-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1636-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4868-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1636-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1636-245-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe File created C:\Windows\rss\csrss.exe afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3860 sc.exe -
pid Process 4468 powershell.exe 1708 powershell.exe 3856 powershell.exe 3864 powershell.exe 2608 powershell.exe 3836 powershell.exe 4048 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2916 408 WerFault.exe 101 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4672 schtasks.exe 3384 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4048 powershell.exe 4048 powershell.exe 3696 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 3696 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 4468 powershell.exe 4468 powershell.exe 4468 powershell.exe 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 1708 powershell.exe 1708 powershell.exe 1708 powershell.exe 3856 powershell.exe 3856 powershell.exe 3856 powershell.exe 3864 powershell.exe 3864 powershell.exe 3864 powershell.exe 2608 powershell.exe 2608 powershell.exe 2608 powershell.exe 3836 powershell.exe 3836 powershell.exe 3836 powershell.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3968 csrss.exe 3968 csrss.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3968 csrss.exe 3968 csrss.exe 3132 injector.exe 3132 injector.exe 3968 csrss.exe 3968 csrss.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe 3132 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4048 powershell.exe Token: SeDebugPrivilege 3696 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Token: SeImpersonatePrivilege 3696 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe Token: SeDebugPrivilege 4468 powershell.exe Token: SeDebugPrivilege 1708 powershell.exe Token: SeDebugPrivilege 3856 powershell.exe Token: SeDebugPrivilege 3864 powershell.exe Token: SeDebugPrivilege 2608 powershell.exe Token: SeDebugPrivilege 3836 powershell.exe Token: SeSystemEnvironmentPrivilege 3968 csrss.exe Token: SeSecurityPrivilege 3860 sc.exe Token: SeSecurityPrivilege 3860 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3696 wrote to memory of 4048 3696 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 91 PID 3696 wrote to memory of 4048 3696 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 91 PID 3696 wrote to memory of 4048 3696 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 91 PID 408 wrote to memory of 4468 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 103 PID 408 wrote to memory of 4468 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 103 PID 408 wrote to memory of 4468 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 103 PID 408 wrote to memory of 2352 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 105 PID 408 wrote to memory of 2352 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 105 PID 2352 wrote to memory of 848 2352 cmd.exe 107 PID 2352 wrote to memory of 848 2352 cmd.exe 107 PID 408 wrote to memory of 1708 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 108 PID 408 wrote to memory of 1708 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 108 PID 408 wrote to memory of 1708 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 108 PID 408 wrote to memory of 3856 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 110 PID 408 wrote to memory of 3856 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 110 PID 408 wrote to memory of 3856 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 110 PID 408 wrote to memory of 3968 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 112 PID 408 wrote to memory of 3968 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 112 PID 408 wrote to memory of 3968 408 afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe 112 PID 3968 wrote to memory of 3864 3968 csrss.exe 115 PID 3968 wrote to memory of 3864 3968 csrss.exe 115 PID 3968 wrote to memory of 3864 3968 csrss.exe 115 PID 3968 wrote to memory of 2608 3968 csrss.exe 120 PID 3968 wrote to memory of 2608 3968 csrss.exe 120 PID 3968 wrote to memory of 2608 3968 csrss.exe 120 PID 3968 wrote to memory of 3836 3968 csrss.exe 124 PID 3968 wrote to memory of 3836 3968 csrss.exe 124 PID 3968 wrote to memory of 3836 3968 csrss.exe 124 PID 3968 wrote to memory of 3132 3968 csrss.exe 126 PID 3968 wrote to memory of 3132 3968 csrss.exe 126 PID 4868 wrote to memory of 4320 4868 windefender.exe 132 PID 4868 wrote to memory of 4320 4868 windefender.exe 132 PID 4868 wrote to memory of 4320 4868 windefender.exe 132 PID 4320 wrote to memory of 3860 4320 cmd.exe 133 PID 4320 wrote to memory of 3860 4320 cmd.exe 133 PID 4320 wrote to memory of 3860 4320 cmd.exe 133 -
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\afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe"C:\Users\Admin\AppData\Local\Temp\afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3696 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4048
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C:\Users\Admin\AppData\Local\Temp\afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.exe"C:\Users\Admin\AppData\Local\Temp\afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4.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:408 -
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:4468
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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:2352 -
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:848
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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:1708
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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:3856
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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:3968 -
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:3864
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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:3384
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2816
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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:2608
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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:3836
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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:3132
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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:4672
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4868 -
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:4320 -
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:3860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 5963⤵
- Program crash
PID:2916
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:81⤵PID:4564
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 408 -ip 4081⤵PID:4808
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1636
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
MD5a97a7b6f3da5cbae1c6977d35d7ae2a6
SHA14fca616588c89179e7b4f717e741bf00368686a5
SHA25618785d4939abfaa33738251d5890c04c55ef6250573e1ec7b475d8ec7a03e11b
SHA512d4f759c0c019710baed41ba558d91f50c44c9feda7e5779004c44b65bce1455d3f1178dd8838ae0e9dfa21b65e001c232c59c5fcd5512c75bf346f0d0c3b627f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD521e31a88fced64d52190f55ca56324f0
SHA1a23133e24a2936d8a35effed2495aa54ac56dcf3
SHA25679c56dc7e52ffd8f75f1f45793c4fb4572e7882fc2e470b031019c65c8e0a82d
SHA512ecaef7172a33d5c8017639cd1b8f786fbd8d822466d687ee1e240007c4a189af59e94603e12e859b3fdba1570a1910fd996597c3519237cc91304e06079c6431
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b8ece0fb06d8d82ba8f8be726a6423a1
SHA16835acdfe81f418b7a78deb1e3a3518356eb0c79
SHA2569fbaa87d6c50b46145f031463e908c10541e01b87e9b5c732c72b637e3f89335
SHA5128b116daa1235b8d9e30269250950652da7f9bba404967fad9b743c3764dc25ca60db1f5ca0575288cde06bd642d60778740bbc5e86c9bbb418b44df4bdb92582
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54b4a4aaa2db95be0cb1a3ddbc871e46e
SHA142f8bbcb13e449ceb988bffb844e2be2635920f0
SHA256ad2beeb1da5949f52bd4e4a6d9b83748c5e4dfd7c05ed99256add3e1f6e0f019
SHA512ce99c88eea38c86c8b587e0fa97c6716d2c4c975c867ac924fa53e3cb04a91c4ac99fdfff8036a05052119128f69572c9be00a5dc0f95c30d652f7cdfca942a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5308877f048d63c2bd04d4d663b2d4b60
SHA1a69dfc67fde7940f1077473d8a68e941df21502d
SHA2562aec50415f306beaa99abfbcfe4ab25c06eecc141b7ab32667f8a2487021d4ad
SHA5124ed34a1518de49286fafcc44c6b10c7c75d6aab70b40f753b64b58fb13ed5ac908559d71a455e1a44f7180019aa5c8f31d1e58d52f2e4b65995d4ad92b4e5240
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Filesize
4.1MB
MD5db0dd57c36bcdc8d1bfb94e81f0986f8
SHA174280e8c422f22dd03ad86b7c84ac4f860dca5a0
SHA256afd7b064d92d3e9cf5bd8c9e7f2e95f3f829d0082576329cd7babfa88fefc4b4
SHA51253fc402a00b12209df5890ece10cb213d5d73e2b23f7e1059d138996fdeeb073d35cc0cc76403941d8c95097ef68fbd45a5605ece23fccf7ac6e923bc369580c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec