Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 11:30
Static task
static1
Behavioral task
behavioral1
Sample
d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe
Resource
win10v2004-20240508-en
General
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Target
d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe
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Size
4.1MB
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MD5
caddd46084332ac66a78fb57436e9910
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SHA1
ca032dbf2677d73c1452ee6a6ad59cf1bc3dac1c
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SHA256
d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff
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SHA512
2014aed4ea2e50429e1d2529a673c04ad21b37105913dcea25be3859813191e2f22affe7414b1f1398e0228da7e795f002e9bc9b27bda4ab65a55545773efc38
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SSDEEP
98304:4Z9bi3QNEOtUId2petU9sYIhWVMAA4+HE9:R303UIApyYIhWVME/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3724-2-0x0000000004BD0000-0x00000000054BB000-memory.dmp family_glupteba behavioral1/memory/3724-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3724-106-0x0000000004BD0000-0x00000000054BB000-memory.dmp family_glupteba behavioral1/memory/3724-105-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3092-134-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/3724-159-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4808-210-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4808-226-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4808-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4808-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4808-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4808-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4808-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4808-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4808-246-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4808-249-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4808-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4808-255-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4808-258-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1132 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4808 csrss.exe 4012 injector.exe 1604 windefender.exe 1344 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023433-219.dat upx behavioral1/memory/1604-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1344-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1604-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1344-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1344-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
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 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 -
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 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe File created C:\Windows\rss\csrss.exe d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.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 3600 sc.exe -
pid Process 3404 powershell.exe 4516 powershell.exe 3916 powershell.exe 1720 powershell.exe 4388 powershell.exe 4216 powershell.exe 2428 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 3380 schtasks.exe 1684 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\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.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\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\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,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4388 powershell.exe 4388 powershell.exe 3724 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 3724 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 4216 powershell.exe 4216 powershell.exe 4216 powershell.exe 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 2428 powershell.exe 2428 powershell.exe 3404 powershell.exe 3404 powershell.exe 4516 powershell.exe 4516 powershell.exe 3916 powershell.exe 3916 powershell.exe 1720 powershell.exe 1720 powershell.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4808 csrss.exe 4808 csrss.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4808 csrss.exe 4808 csrss.exe 4012 injector.exe 4012 injector.exe 4808 csrss.exe 4808 csrss.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe 4012 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4388 powershell.exe Token: SeDebugPrivilege 3724 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Token: SeImpersonatePrivilege 3724 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe Token: SeDebugPrivilege 4216 powershell.exe Token: SeDebugPrivilege 2428 powershell.exe Token: SeDebugPrivilege 3404 powershell.exe Token: SeDebugPrivilege 4516 powershell.exe Token: SeDebugPrivilege 3916 powershell.exe Token: SeDebugPrivilege 1720 powershell.exe Token: SeSystemEnvironmentPrivilege 4808 csrss.exe Token: SeSecurityPrivilege 3600 sc.exe Token: SeSecurityPrivilege 3600 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3724 wrote to memory of 4388 3724 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 85 PID 3724 wrote to memory of 4388 3724 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 85 PID 3724 wrote to memory of 4388 3724 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 85 PID 3092 wrote to memory of 4216 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 96 PID 3092 wrote to memory of 4216 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 96 PID 3092 wrote to memory of 4216 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 96 PID 3092 wrote to memory of 4264 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 99 PID 3092 wrote to memory of 4264 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 99 PID 4264 wrote to memory of 1132 4264 cmd.exe 101 PID 4264 wrote to memory of 1132 4264 cmd.exe 101 PID 3092 wrote to memory of 2428 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 103 PID 3092 wrote to memory of 2428 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 103 PID 3092 wrote to memory of 2428 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 103 PID 3092 wrote to memory of 3404 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 105 PID 3092 wrote to memory of 3404 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 105 PID 3092 wrote to memory of 3404 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 105 PID 3092 wrote to memory of 4808 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 108 PID 3092 wrote to memory of 4808 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 108 PID 3092 wrote to memory of 4808 3092 d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe 108 PID 4808 wrote to memory of 4516 4808 csrss.exe 109 PID 4808 wrote to memory of 4516 4808 csrss.exe 109 PID 4808 wrote to memory of 4516 4808 csrss.exe 109 PID 4808 wrote to memory of 3916 4808 csrss.exe 114 PID 4808 wrote to memory of 3916 4808 csrss.exe 114 PID 4808 wrote to memory of 3916 4808 csrss.exe 114 PID 4808 wrote to memory of 1720 4808 csrss.exe 117 PID 4808 wrote to memory of 1720 4808 csrss.exe 117 PID 4808 wrote to memory of 1720 4808 csrss.exe 117 PID 4808 wrote to memory of 4012 4808 csrss.exe 119 PID 4808 wrote to memory of 4012 4808 csrss.exe 119 PID 1604 wrote to memory of 3828 1604 windefender.exe 126 PID 1604 wrote to memory of 3828 1604 windefender.exe 126 PID 1604 wrote to memory of 3828 1604 windefender.exe 126 PID 3828 wrote to memory of 3600 3828 cmd.exe 127 PID 3828 wrote to memory of 3600 3828 cmd.exe 127 PID 3828 wrote to memory of 3600 3828 cmd.exe 127 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe"C:\Users\Admin\AppData\Local\Temp\d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4388
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C:\Users\Admin\AppData\Local\Temp\d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.exe"C:\Users\Admin\AppData\Local\Temp\d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff.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:3092 -
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:4216
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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:4264 -
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:1132
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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:2428
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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:3404
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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:4808 -
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:4516
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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:3380
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3540
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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:3916
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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:1720
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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:4012
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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:1684
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1604 -
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:3828 -
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:3600
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1344
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD537e07803643144d86f700559ab46c8e1
SHA1ca03835a2817d9faefb417090f99e56736424cd0
SHA256a6e3e476a2be8062ea90995e63bf64e72b9bd3b7f896cc6eb6b1d3b3df4ab82e
SHA51283853d71654d0bdfa037acd4b9922e5b7499fd7bd92c7e94e108bf8f168e632a044e7d224cd165dc34b74cdf0877441b9cb72341415077ca68073fca69296709
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cac6c6c23965c29af81d1027e3f4713e
SHA1eef0edc67c5b2ebbcbee98b08d11507f1bd45a75
SHA256321a6883aa92b69cdac212371320a1a55020b179734276f30e25676d56bf9b71
SHA512dcfa19e5673422a27a3f1bd32b0a29ac6e8d11f92bb77395ffddc0f46aec9270e85935410122629a6a67535de5b28c31574dd0dda6a4c7c83f40108a1cfd7f86
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d490715138daebbc0e83434c822d5435
SHA120c3afaab5df8cad54e787d5f8678902384a3b25
SHA256b6ff6fa297f4d664041b978f8a38d05db3ccf8e141ed1b1788edc24c75fbb759
SHA512cd8a1e0e1ccb20a56ff61c6e795f0b083f06175cb879daf5ef2c127103b1de11c87a0eb66868c4f8118fa7b6b0535865362725f696dbbf5f2ad1995acb48c30b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58a9d2f71f770563de64f7289b10c647a
SHA1f2af548cd9991c0a6dfc3dfe5b9dca0aaaf7c7aa
SHA2560dd215062c9534a571614d2f2528836c723a85f084abecaac4df729834593f36
SHA5126e0a026dab2232b5135d3e76aa41ed91817da7ea41f112b44b3cd8963ddd4c9ed794c2643c13e5eba0bd3af8d2ce8fccc81294f16bf8e93299bb743d837581f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b11727de25f1612592528489d7598b8c
SHA1c5161679aba64c7ee1dafbb1f195c1b00d7b004b
SHA256c6cd626d44b816c072a418d58bf4d319c30822e49fa370678ba4d02183dc8c54
SHA5125e9ed75933aebc27c8ab4bb96e4f13bc59bb0a742aa1dcd79a8991c591463e5500152cb07ff0cb17c251e9838618f1087bf35e42d0952ae67cd536185461a83d
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Filesize
4.1MB
MD5caddd46084332ac66a78fb57436e9910
SHA1ca032dbf2677d73c1452ee6a6ad59cf1bc3dac1c
SHA256d5a0f55e028942c9404f35ff8c0900a66b4d400c4169833cf43ba18168b3b1ff
SHA5122014aed4ea2e50429e1d2529a673c04ad21b37105913dcea25be3859813191e2f22affe7414b1f1398e0228da7e795f002e9bc9b27bda4ab65a55545773efc38
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec