Analysis
-
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
16-05-2024 15:24
Static task
static1
Behavioral task
behavioral1
Sample
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe
Resource
win10v2004-20240508-en
General
-
Target
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe
-
Size
4.1MB
-
MD5
ad49a14ae62706017f7c473c94c90244
-
SHA1
580ccc7b4a970fcdf05fcaaa9319db906d8e70ef
-
SHA256
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be
-
SHA512
fe860e91a02ee7e45209930db59f37f0862c6a218f7d32e53abad6f0f3968a928cd031d1ae7ac6b88406254f852dd0a54355f7eac921be69ecec61ce135a8778
-
SSDEEP
98304:QvzBhIm6zIE7SIO2RhCG9zRnSMmyRgCXxFQG9cB:mzBhDcIv8bCGbNmyXXxFQGyB
Malware Config
Signatures
-
Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/312-2-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral1/memory/312-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2636-56-0x0000000002DB0000-0x000000000369B000-memory.dmp family_glupteba behavioral1/memory/312-78-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/312-80-0x0000000002E30000-0x000000000371B000-memory.dmp family_glupteba behavioral1/memory/2636-130-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2636-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4112-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4112-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4112-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4112-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4112-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4112-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4112-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4112-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4112-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4112-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4112-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4112-256-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1852 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4112 csrss.exe 2052 injector.exe 2652 windefender.exe 3156 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000023457-220.dat upx behavioral1/memory/2652-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3156-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2652-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3156-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3156-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.execsrss.exedescription 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\"" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.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.
-
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 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.
Processes:
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe -
Drops file in Windows directory 4 IoCs
Processes:
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe File created C:\Windows\rss\csrss.exe f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.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 4588 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4348 powershell.exe 1216 powershell.exe 2148 powershell.exe 1496 powershell.exe 2164 powershell.exe 2548 powershell.exe 212 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 4824 schtasks.exe 4660 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exef0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-401 = "Arabic Daylight Time" windefender.exe 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,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.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\trust\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.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\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.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\UNCAsIntranet = "1" powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exef0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exepowershell.exef0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2148 powershell.exe 2148 powershell.exe 312 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 312 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 1496 powershell.exe 1496 powershell.exe 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 2164 powershell.exe 2164 powershell.exe 2548 powershell.exe 2548 powershell.exe 212 powershell.exe 212 powershell.exe 4348 powershell.exe 4348 powershell.exe 1216 powershell.exe 1216 powershell.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 4112 csrss.exe 4112 csrss.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 4112 csrss.exe 4112 csrss.exe 2052 injector.exe 2052 injector.exe 4112 csrss.exe 4112 csrss.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe 2052 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exef0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2148 powershell.exe Token: SeDebugPrivilege 312 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Token: SeImpersonatePrivilege 312 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe Token: SeDebugPrivilege 1496 powershell.exe Token: SeDebugPrivilege 2164 powershell.exe Token: SeDebugPrivilege 2548 powershell.exe Token: SeDebugPrivilege 212 powershell.exe Token: SeDebugPrivilege 4348 powershell.exe Token: SeDebugPrivilege 1216 powershell.exe Token: SeSystemEnvironmentPrivilege 4112 csrss.exe Token: SeSecurityPrivilege 4588 sc.exe Token: SeSecurityPrivilege 4588 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exef0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 312 wrote to memory of 2148 312 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 87 PID 312 wrote to memory of 2148 312 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 87 PID 312 wrote to memory of 2148 312 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 87 PID 2636 wrote to memory of 1496 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 98 PID 2636 wrote to memory of 1496 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 98 PID 2636 wrote to memory of 1496 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 98 PID 2636 wrote to memory of 1124 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 101 PID 2636 wrote to memory of 1124 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 101 PID 1124 wrote to memory of 1852 1124 cmd.exe 103 PID 1124 wrote to memory of 1852 1124 cmd.exe 103 PID 2636 wrote to memory of 2164 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 104 PID 2636 wrote to memory of 2164 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 104 PID 2636 wrote to memory of 2164 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 104 PID 2636 wrote to memory of 2548 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 106 PID 2636 wrote to memory of 2548 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 106 PID 2636 wrote to memory of 2548 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 106 PID 2636 wrote to memory of 4112 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 108 PID 2636 wrote to memory of 4112 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 108 PID 2636 wrote to memory of 4112 2636 f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe 108 PID 4112 wrote to memory of 212 4112 csrss.exe 109 PID 4112 wrote to memory of 212 4112 csrss.exe 109 PID 4112 wrote to memory of 212 4112 csrss.exe 109 PID 4112 wrote to memory of 4348 4112 csrss.exe 114 PID 4112 wrote to memory of 4348 4112 csrss.exe 114 PID 4112 wrote to memory of 4348 4112 csrss.exe 114 PID 4112 wrote to memory of 1216 4112 csrss.exe 117 PID 4112 wrote to memory of 1216 4112 csrss.exe 117 PID 4112 wrote to memory of 1216 4112 csrss.exe 117 PID 4112 wrote to memory of 2052 4112 csrss.exe 120 PID 4112 wrote to memory of 2052 4112 csrss.exe 120 PID 2652 wrote to memory of 4604 2652 windefender.exe 126 PID 2652 wrote to memory of 4604 2652 windefender.exe 126 PID 2652 wrote to memory of 4604 2652 windefender.exe 126 PID 4604 wrote to memory of 4588 4604 cmd.exe 127 PID 4604 wrote to memory of 4588 4604 cmd.exe 127 PID 4604 wrote to memory of 4588 4604 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
-
C:\Users\Admin\AppData\Local\Temp\f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe"C:\Users\Admin\AppData\Local\Temp\f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:312 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2148
-
-
C:\Users\Admin\AppData\Local\Temp\f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.exe"C:\Users\Admin\AppData\Local\Temp\f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be.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:2636 -
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:1496
-
-
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:1124 -
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:1852
-
-
-
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:2164
-
-
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:2548
-
-
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:4112 -
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:212
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4824
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5112
-
-
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:4348
-
-
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:1216
-
-
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:2052
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4660
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2652 -
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:4604 -
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:4588
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3156
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ca0ed8bc7afdb3af9af139fa238a98b6
SHA138f732cd1be7d22b6b7b6f72706754a6f3f59391
SHA256583593404b955a98d356c4d0e8dcbd120f531602b596690976d271696c5645f0
SHA512b00cb2dcc8315cb555a1cc1699da99349ed0ce9cd6e6be2247cd52eaedf01a8d85d6ca2f0ad523b4820c76561e866b09718bd2c1ff5573a24312e9e13f2e1f19
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e9433a64f4f7250ff69e031dfac069db
SHA1855e42c382a2ba4d0ed91f641b5797866f388109
SHA256a45aac4b921e2fff922bdeeed674b2455fa234cb977606b136cab25a322a3945
SHA512efccefe309bcb0b65bd4ac767b35b0ee5b954ece62b56e817fe43b51d056d11fd9d8968e13afa2d77886efca77248ebb7d1ef6cf583accb960512b3f65e6e83d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56408dc0f0a66abbb131a650db0bd9933
SHA1a6dfd7dfc1b7035bdd376c7f0122fa59a6940771
SHA256c212a759013194d110d733a54276516f29b5ec3344ff43c4153d2aa9b9b7f527
SHA512b85f474f66504e743bea3c3f245f0968d25cf9dc6b15c641f81390d29ee72aba744f097ec51b015a8b7f5ce01fba5c64ad96698441333f08312e38323c2a58d9
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD510b2c230025f6e90e2129904e2906287
SHA197965394620470f3e04dcad5d118bc13a839cb60
SHA256cc832ffe5edebdf1393a3ec494c03d20c3dabb03fe1a17d8c7fcb5249d782038
SHA5121d07134c3b45095c1bcafa2348fe8fb49e4735bc1564bc787cce49a43fc2b075748b6ddd16e75e3be77fba161073bebbba21b35d9aa1d4738119e05cab5e898f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59996495e91014906c88fbf13b4bdf15b
SHA1753dc0d4b4b5f5b6785306a72d420df3eac4cf0f
SHA256a5ce444066ee54040016d82c38b806216ce4ec65b5ed4a5a66f579ebd7a85b70
SHA512d98eb5b31bf9509449c6481a32be116c078ff882df83a4a1962307c2306308462a697d5c782cf3356c1e68be8f185be60a69b1a6106ee02a408748ebcf709f48
-
Filesize
4.1MB
MD5ad49a14ae62706017f7c473c94c90244
SHA1580ccc7b4a970fcdf05fcaaa9319db906d8e70ef
SHA256f0ecb66615bd487bce0d474f0e149969301ea51531a7a143b1b1ad8a9b62e0be
SHA512fe860e91a02ee7e45209930db59f37f0862c6a218f7d32e53abad6f0f3968a928cd031d1ae7ac6b88406254f852dd0a54355f7eac921be69ecec61ce135a8778
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec