Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
04/05/2024, 14:48
Static task
static1
Behavioral task
behavioral1
Sample
5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe
Resource
win10v2004-20240426-en
General
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Target
5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe
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Size
4.2MB
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MD5
bfeebd36eaa2e1cb709a12ce9a341d53
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SHA1
b96da3686c11efe5531e2c7d23aa6afeb3ffba82
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SHA256
5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8
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SHA512
74488f01012df2f935477d374896761ddbb7622d2b25f62c36269fb91eb18047d5a34a8287cdad029ff5851c0f8358522f18fbbef9a2e80a882c96f385e0c750
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SSDEEP
98304:HI5uELBTqnVWcXy/Y/HCLJbXTjWr1KExIiCpCM+3:o5uELB2ncAy/Y/KhTKzIiCp63
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3984-2-0x0000000003ED0000-0x00000000047BB000-memory.dmp family_glupteba behavioral1/memory/3984-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3984-115-0x0000000003ED0000-0x00000000047BB000-memory.dmp family_glupteba behavioral1/memory/3984-113-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/3976-154-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/3984-205-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/5532-214-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/5532-225-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/5532-229-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/5532-233-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/5532-238-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/5532-241-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/5532-245-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/5532-249-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/5532-254-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/5532-258-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/5532-261-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/5532-265-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba behavioral1/memory/5532-269-0x0000000000400000-0x0000000001DFE000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5384 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 5532 csrss.exe 3624 injector.exe 1188 windefender.exe 5588 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002342c-217.dat upx behavioral1/memory/1188-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5588-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1188-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5588-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5588-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe File created C:\Windows\rss\csrss.exe 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.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 4048 sc.exe -
pid Process 3912 powershell.exe 4564 powershell.exe 1564 powershell.exe 3784 powershell.exe 5020 powershell.exe 4432 powershell.exe 5804 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 696 schtasks.exe 2248 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,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.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" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.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,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre 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,-2571 = "Turks and Caicos Daylight Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe 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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5804 powershell.exe 5804 powershell.exe 3984 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 3984 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 3912 powershell.exe 3912 powershell.exe 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 4564 powershell.exe 4564 powershell.exe 1564 powershell.exe 1564 powershell.exe 3784 powershell.exe 3784 powershell.exe 5020 powershell.exe 5020 powershell.exe 4432 powershell.exe 4432 powershell.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 5532 csrss.exe 5532 csrss.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 5532 csrss.exe 5532 csrss.exe 3624 injector.exe 3624 injector.exe 5532 csrss.exe 5532 csrss.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe 3624 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5804 powershell.exe Token: SeDebugPrivilege 3984 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Token: SeImpersonatePrivilege 3984 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 4564 powershell.exe Token: SeDebugPrivilege 1564 powershell.exe Token: SeDebugPrivilege 3784 powershell.exe Token: SeDebugPrivilege 5020 powershell.exe Token: SeDebugPrivilege 4432 powershell.exe Token: SeSystemEnvironmentPrivilege 5532 csrss.exe Token: SeSecurityPrivilege 4048 sc.exe Token: SeSecurityPrivilege 4048 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3984 wrote to memory of 5804 3984 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 87 PID 3984 wrote to memory of 5804 3984 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 87 PID 3984 wrote to memory of 5804 3984 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 87 PID 3976 wrote to memory of 3912 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 95 PID 3976 wrote to memory of 3912 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 95 PID 3976 wrote to memory of 3912 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 95 PID 3976 wrote to memory of 3140 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 98 PID 3976 wrote to memory of 3140 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 98 PID 3140 wrote to memory of 5384 3140 cmd.exe 100 PID 3140 wrote to memory of 5384 3140 cmd.exe 100 PID 3976 wrote to memory of 4564 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 101 PID 3976 wrote to memory of 4564 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 101 PID 3976 wrote to memory of 4564 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 101 PID 3976 wrote to memory of 1564 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 104 PID 3976 wrote to memory of 1564 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 104 PID 3976 wrote to memory of 1564 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 104 PID 3976 wrote to memory of 5532 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 106 PID 3976 wrote to memory of 5532 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 106 PID 3976 wrote to memory of 5532 3976 5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe 106 PID 5532 wrote to memory of 3784 5532 csrss.exe 107 PID 5532 wrote to memory of 3784 5532 csrss.exe 107 PID 5532 wrote to memory of 3784 5532 csrss.exe 107 PID 5532 wrote to memory of 5020 5532 csrss.exe 113 PID 5532 wrote to memory of 5020 5532 csrss.exe 113 PID 5532 wrote to memory of 5020 5532 csrss.exe 113 PID 5532 wrote to memory of 4432 5532 csrss.exe 115 PID 5532 wrote to memory of 4432 5532 csrss.exe 115 PID 5532 wrote to memory of 4432 5532 csrss.exe 115 PID 5532 wrote to memory of 3624 5532 csrss.exe 117 PID 5532 wrote to memory of 3624 5532 csrss.exe 117 PID 1188 wrote to memory of 3876 1188 windefender.exe 123 PID 1188 wrote to memory of 3876 1188 windefender.exe 123 PID 1188 wrote to memory of 3876 1188 windefender.exe 123 PID 3876 wrote to memory of 4048 3876 cmd.exe 124 PID 3876 wrote to memory of 4048 3876 cmd.exe 124 PID 3876 wrote to memory of 4048 3876 cmd.exe 124 -
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\5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe"C:\Users\Admin\AppData\Local\Temp\5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5804
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C:\Users\Admin\AppData\Local\Temp\5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.exe"C:\Users\Admin\AppData\Local\Temp\5b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8.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:3976 -
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:3912
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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:3140 -
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:5384
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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:4564
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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:1564
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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:5532 -
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:3784
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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:696
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1664
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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:5020
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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:4432
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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:3624
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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:2248
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1188 -
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:3876 -
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:4048
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5588
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
MD51df9906850ca710de9b510a74a7b45d5
SHA184c8927358163c14456d4915f85fcb78ed566b5d
SHA2563208c304c3cc048b3ea2b2de3058aa95ba78c55bbfec229fd95ab280380ada19
SHA5123ed68896aaffea05f0d728cf9de344accb567b8ebed66fb2ca3f32aee351f864cc50a7a836723e3db4bc545266b023d8ac98e7c9acc9c819e0047871c5736660
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c6922d25e8275967ab08208b57dd8ec2
SHA10e3987bd4daa064ad410100ac0c952276a2280c3
SHA256975f3735fe11a7e0e499810d2037d4c3d93a548d7656803f05dfe2cc52d0abf9
SHA512865be1ef8fd7058db69a6b1cd5b308c56b8dfc48a2fbbbf6166a418dbee8e0813a6198f4fef5684d1e77e74f576955dfa7aeade39e8ffadc033b6ab7ff6c2bef
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e24e100e31bd0db68ff3ccaf49de5860
SHA19252948344087ab36d8221d29f3f1a41468aa7cb
SHA2562ae31ca415a3c68cec9af2750ba72cf94b7b213a2be792597cfd6c32f17a436a
SHA512125c9ff6657625d641d58cf58379188c2f89f36cafcd9ca85a8fe952c2b146e0b20e4ccb7e5d99baf64cb9bada80441fd9552b3d0778c91c7ae6bacec7796795
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58560f7baad9009bb5e817659950f313a
SHA147d41113275cd6301738e3bbecb628efcef7f50e
SHA256c847d92aa2a2766d00189976046845fdfef960108a5cd0ccebd5f057b5d0c4e5
SHA51244bd2de807602ba56936f81591eb41690efae51842eb39c4b29fb18a9abc583877523a36880f0dad864f7aa6dc6603fff051fcd197632e45919f4e8817dfc5f6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52beaf72129e5b61649cfcd0cc3c5c46e
SHA147c337e9f743904cf0076b0b45d9182046f0060f
SHA2560e1111aa45272af5d3576a61e9f5cb6c2ab63fa6fe08b38fb3a23801e181ed6d
SHA512ff127b2c7c9538312ea0b04de9c0536e3050408ab8d3f7a791ebffa9ceae020d4a120394c39530b69d29641159820d983c5c0107c249871bc86e5a2342e82987
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Filesize
4.2MB
MD5bfeebd36eaa2e1cb709a12ce9a341d53
SHA1b96da3686c11efe5531e2c7d23aa6afeb3ffba82
SHA2565b6676871d7d38dc1e4244549895730ec0be31e7a0d10c83d6aac68a7b874db8
SHA51274488f01012df2f935477d374896761ddbb7622d2b25f62c36269fb91eb18047d5a34a8287cdad029ff5851c0f8358522f18fbbef9a2e80a882c96f385e0c750
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec