Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 11:14
Static task
static1
Behavioral task
behavioral1
Sample
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe
Resource
win10v2004-20240508-en
General
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Target
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe
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Size
4.1MB
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MD5
bfc77870fcad48f856615d312559975a
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SHA1
287d403fe07847c573ce4738c452036446d10f1b
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SHA256
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8
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SHA512
4630c50137325dcf49b2ab74c56da7a28b35b2b493694e56444843bf84d19bd982c29dc52d34db017049d3e8c45b39ed37d3130d951c67954485e85494e8b4ac
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SSDEEP
98304:1H+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2L:1H+PiSfw6Rz4ejOEAZ44S5J5ww2L
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/3552-2-0x00000000045D0000-0x0000000004EBB000-memory.dmp family_glupteba behavioral2/memory/3552-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3552-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3552-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3552-54-0x00000000045D0000-0x0000000004EBB000-memory.dmp family_glupteba behavioral2/memory/2896-125-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/832-204-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/832-216-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/832-218-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/832-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/832-222-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/832-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/832-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/832-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/832-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/832-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/832-234-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/832-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3056 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 832 csrss.exe 1732 injector.exe 5040 windefender.exe 3008 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9dc-207.dat upx behavioral2/memory/5040-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5040-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3008-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3008-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3008-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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:
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe -
Drops file in Windows directory 4 IoCs
Processes:
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe File created C:\Windows\rss\csrss.exe abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.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.
Processes:
sc.exepid Process 3408 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4656 powershell.exe 3420 powershell.exe 5072 powershell.exe 2764 powershell.exe 3788 powershell.exe 2852 powershell.exe 2916 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 1392 schtasks.exe 1772 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.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\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.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,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeabdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exepowershell.exeabdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4656 powershell.exe 4656 powershell.exe 3552 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 3552 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 3420 powershell.exe 3420 powershell.exe 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 5072 powershell.exe 5072 powershell.exe 2764 powershell.exe 2764 powershell.exe 3788 powershell.exe 3788 powershell.exe 2852 powershell.exe 2852 powershell.exe 2916 powershell.exe 2916 powershell.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 832 csrss.exe 832 csrss.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 832 csrss.exe 832 csrss.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 832 csrss.exe 832 csrss.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe 1732 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exeabdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 3552 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Token: SeImpersonatePrivilege 3552 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe Token: SeDebugPrivilege 3420 powershell.exe Token: SeDebugPrivilege 5072 powershell.exe Token: SeDebugPrivilege 2764 powershell.exe Token: SeDebugPrivilege 3788 powershell.exe Token: SeDebugPrivilege 2852 powershell.exe Token: SeDebugPrivilege 2916 powershell.exe Token: SeSystemEnvironmentPrivilege 832 csrss.exe Token: SeSecurityPrivilege 3408 sc.exe Token: SeSecurityPrivilege 3408 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exeabdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3552 wrote to memory of 4656 3552 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 78 PID 3552 wrote to memory of 4656 3552 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 78 PID 3552 wrote to memory of 4656 3552 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 78 PID 2896 wrote to memory of 3420 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 108 PID 2896 wrote to memory of 3420 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 108 PID 2896 wrote to memory of 3420 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 108 PID 2896 wrote to memory of 948 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 85 PID 2896 wrote to memory of 948 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 85 PID 948 wrote to memory of 3056 948 cmd.exe 87 PID 948 wrote to memory of 3056 948 cmd.exe 87 PID 2896 wrote to memory of 5072 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 88 PID 2896 wrote to memory of 5072 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 88 PID 2896 wrote to memory of 5072 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 88 PID 2896 wrote to memory of 2764 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 90 PID 2896 wrote to memory of 2764 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 90 PID 2896 wrote to memory of 2764 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 90 PID 2896 wrote to memory of 832 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 92 PID 2896 wrote to memory of 832 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 92 PID 2896 wrote to memory of 832 2896 abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe 92 PID 832 wrote to memory of 3788 832 csrss.exe 93 PID 832 wrote to memory of 3788 832 csrss.exe 93 PID 832 wrote to memory of 3788 832 csrss.exe 93 PID 832 wrote to memory of 2852 832 csrss.exe 99 PID 832 wrote to memory of 2852 832 csrss.exe 99 PID 832 wrote to memory of 2852 832 csrss.exe 99 PID 832 wrote to memory of 2916 832 csrss.exe 101 PID 832 wrote to memory of 2916 832 csrss.exe 101 PID 832 wrote to memory of 2916 832 csrss.exe 101 PID 832 wrote to memory of 1732 832 csrss.exe 103 PID 832 wrote to memory of 1732 832 csrss.exe 103 PID 5040 wrote to memory of 4448 5040 windefender.exe 109 PID 5040 wrote to memory of 4448 5040 windefender.exe 109 PID 5040 wrote to memory of 4448 5040 windefender.exe 109 PID 4448 wrote to memory of 3408 4448 cmd.exe 110 PID 4448 wrote to memory of 3408 4448 cmd.exe 110 PID 4448 wrote to memory of 3408 4448 cmd.exe 110 -
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\abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe"C:\Users\Admin\AppData\Local\Temp\abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4656
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C:\Users\Admin\AppData\Local\Temp\abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.exe"C:\Users\Admin\AppData\Local\Temp\abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8.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:2896 -
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:3420
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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:948 -
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:3056
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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:5072
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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:2764
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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:832 -
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:3788
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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:1772
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:432
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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:2852
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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:2916
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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:1732
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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:1392
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:3420
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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:4448 -
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:3408
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3008
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53711e1ce9d0bd97befd598a29847a9e5
SHA18f1759c2e026e46b077ae08814c3341b4ee8e2cd
SHA25634d39fc6a28ae6f79951e0c8d881c7d1a0a0e4d471a71783fbbb85638efc2e73
SHA512dfdb438d11c98e000d8d641bf809d9ede98b8cf448d3a356cd0b48ffd0b147ea4b7268a31a9d940ec127badc8f77af3a8d74545f51384dfc9943b04b63517d74
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed0c89841009748549dac722cb972d33
SHA1745d8eec0298d5e4792a24ba8b11542a034f9b30
SHA2569a8f384822cdb972c81e6ae22f0d83ec7f9dcfbc7205bd59c7b38f752c949e01
SHA5126da36456060b0b22a482ea7caf090a6458c3b5498e6387be9d4a65799560d18765d34b6500e5b3d9a3c91bfe8b7921b926f3111a73c5aafebba160228d038b99
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD598305aca032a899400d2b05ec2d6b583
SHA13acfbd7a6d5d0a071ff11eef151f987494322929
SHA256801b0d51cb53b6bb3b664f5fdf317a621281df24f380292038753ece6a7f89f6
SHA512585757236b937594ae20403a02800526e7279399b9ffa59fb80b67be7c859a5aa9c20a1bc90e21a345317562016d67b3e1a23c7149d5886ef1eb90f9a156b512
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e1f0b2a5ad831c5d8d5caabe5f701eae
SHA1511277155b0476220242438d1a3fbfdb2d7c4c05
SHA2561b4cf081f79f2738a33e36144ed441f153d765eba501f5db19335e0d85ee19bd
SHA51225efaff40e080e7d762c4f63fb2bf7658e0e389bac17e6354c4461c4b4e8a6e7f65cbb37a4ef19af8f7cb23d5278280675e14afb8a0155c16a5e38c404abb451
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58dd40cdb246caa8c543ce4b08c997726
SHA1d16acdf0c6bdbc58668d8d722c5fe10778296db1
SHA256265ed75beb495994c4b9f61f619047cf25f2e2fd59263dc0aadcfad53d3546ba
SHA5127d56ed55fba591a0055a6220d5d46533919ddf2da7550457bc7db24d17132c51b4448c7f86151f954b86a670799df5de4088709a0d9ba7ad7f825700f335ae8d
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Filesize
4.1MB
MD5bfc77870fcad48f856615d312559975a
SHA1287d403fe07847c573ce4738c452036446d10f1b
SHA256abdf08f9359a99d147374d1c27872735ca6119614409f9ee875d4659cdb3d5e8
SHA5124630c50137325dcf49b2ab74c56da7a28b35b2b493694e56444843bf84d19bd982c29dc52d34db017049d3e8c45b39ed37d3130d951c67954485e85494e8b4ac
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec