Analysis
-
max time kernel
152s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04-04-2024 08:22
Static task
static1
Behavioral task
behavioral1
Sample
2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe
Resource
win10v2004-20240226-en
General
-
Target
2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe
-
Size
4.1MB
-
MD5
fed6da32999909662a85fd3cbcbaa273
-
SHA1
7181f25bb80ec541ecf6c89390a6d9877d3ea34c
-
SHA256
2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98
-
SHA512
22b115507a8692ad770e1512bc6183a30f785fa1074f6a63130ee99c8bc44887e63b79aadf7b0f85917d80346f79d5cdab5e38a02c85400e10d917575b817394
-
SSDEEP
98304:bb04ffPf0CP8ZPL1zSHjK43IQhayZ0/ueXFA:n1PfdPwLNSHjKj0ZYueXm
Malware Config
Signatures
-
Glupteba payload 17 IoCs
Processes:
resource yara_rule behavioral1/memory/2440-2-0x0000000004FA0000-0x000000000588B000-memory.dmp family_glupteba behavioral1/memory/2440-3-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/2440-5-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/2440-27-0x0000000004FA0000-0x000000000588B000-memory.dmp family_glupteba behavioral1/memory/2440-29-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/2440-53-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/2440-60-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/2388-63-0x00000000050A0000-0x000000000598B000-memory.dmp family_glupteba behavioral1/memory/2388-64-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/2388-98-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/2388-101-0x0000000004CA0000-0x000000000509F000-memory.dmp family_glupteba behavioral1/memory/2388-157-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/1248-192-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/1248-257-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/1248-266-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/1248-272-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba behavioral1/memory/1248-274-0x0000000000400000-0x0000000002F43000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4824 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1248 csrss.exe 872 injector.exe 1812 windefender.exe 4248 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/1812-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4248-273-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
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:
2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe -
Drops file in Windows directory 4 IoCs
Processes:
2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe File created C:\Windows\rss\csrss.exe 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.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 3088 sc.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 740 schtasks.exe 4184 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exepowershell.exe2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2120 powershell.exe 2120 powershell.exe 2120 powershell.exe 2440 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe 2440 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe 4808 powershell.exe 4808 powershell.exe 4808 powershell.exe 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe 3096 powershell.exe 3096 powershell.exe 3096 powershell.exe 336 powershell.exe 336 powershell.exe 336 powershell.exe 2384 powershell.exe 2384 powershell.exe 2384 powershell.exe 1492 powershell.exe 1492 powershell.exe 4212 powershell.exe 4212 powershell.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 1248 csrss.exe 1248 csrss.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 1248 csrss.exe 1248 csrss.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 1248 csrss.exe 1248 csrss.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe 872 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2120 powershell.exe Token: SeDebugPrivilege 2440 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Token: SeImpersonatePrivilege 2440 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe Token: SeDebugPrivilege 4808 powershell.exe Token: SeDebugPrivilege 3096 powershell.exe Token: SeDebugPrivilege 336 powershell.exe Token: SeDebugPrivilege 2384 powershell.exe Token: SeDebugPrivilege 1492 powershell.exe Token: SeDebugPrivilege 4212 powershell.exe Token: SeSystemEnvironmentPrivilege 1248 csrss.exe Token: SeSecurityPrivilege 3088 sc.exe Token: SeSecurityPrivilege 3088 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2440 wrote to memory of 2120 2440 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe powershell.exe PID 2440 wrote to memory of 2120 2440 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe powershell.exe PID 2440 wrote to memory of 2120 2440 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe powershell.exe PID 2388 wrote to memory of 4808 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe powershell.exe PID 2388 wrote to memory of 4808 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe powershell.exe PID 2388 wrote to memory of 4808 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe powershell.exe PID 2388 wrote to memory of 4564 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe cmd.exe PID 2388 wrote to memory of 4564 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe cmd.exe PID 4564 wrote to memory of 4824 4564 cmd.exe netsh.exe PID 4564 wrote to memory of 4824 4564 cmd.exe netsh.exe PID 2388 wrote to memory of 3096 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe powershell.exe PID 2388 wrote to memory of 3096 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe powershell.exe PID 2388 wrote to memory of 3096 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe powershell.exe PID 2388 wrote to memory of 336 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe powershell.exe PID 2388 wrote to memory of 336 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe powershell.exe PID 2388 wrote to memory of 336 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe powershell.exe PID 2388 wrote to memory of 1248 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe csrss.exe PID 2388 wrote to memory of 1248 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe csrss.exe PID 2388 wrote to memory of 1248 2388 2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe csrss.exe PID 1248 wrote to memory of 2384 1248 csrss.exe powershell.exe PID 1248 wrote to memory of 2384 1248 csrss.exe powershell.exe PID 1248 wrote to memory of 2384 1248 csrss.exe powershell.exe PID 1248 wrote to memory of 1492 1248 csrss.exe powershell.exe PID 1248 wrote to memory of 1492 1248 csrss.exe powershell.exe PID 1248 wrote to memory of 1492 1248 csrss.exe powershell.exe PID 1248 wrote to memory of 4212 1248 csrss.exe powershell.exe PID 1248 wrote to memory of 4212 1248 csrss.exe powershell.exe PID 1248 wrote to memory of 4212 1248 csrss.exe powershell.exe PID 1248 wrote to memory of 872 1248 csrss.exe injector.exe PID 1248 wrote to memory of 872 1248 csrss.exe injector.exe PID 1812 wrote to memory of 4548 1812 windefender.exe cmd.exe PID 1812 wrote to memory of 4548 1812 windefender.exe cmd.exe PID 1812 wrote to memory of 4548 1812 windefender.exe cmd.exe PID 4548 wrote to memory of 3088 4548 cmd.exe sc.exe PID 4548 wrote to memory of 3088 4548 cmd.exe sc.exe PID 4548 wrote to memory of 3088 4548 cmd.exe sc.exe -
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\2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe"C:\Users\Admin\AppData\Local\Temp\2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2120 -
C:\Users\Admin\AppData\Local\Temp\2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.exe"C:\Users\Admin\AppData\Local\Temp\2a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98.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:2388 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4808 -
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:4564 -
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:4824 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3096 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:336 -
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:1248 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2384 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:740 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4012
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4212 -
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:872 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4184 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1812 -
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:4548 -
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:3088
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4120 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:81⤵PID:3496
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
PID:4248
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
MD5311b153aeb2f41c558e04d9c6224dc91
SHA174788c023c40d5ab169d93ab25e789691aebce49
SHA25673122e07ff2b074789f89b1ee595c1defe8e387ba44780a7f9da8f37aa1e74e9
SHA512eb792397a003c06362e753a54a781a5139aaba35b7e974544eead24821c53d22c4b97331aa01e03f48e4e3f4ca45477ae2be1530a9662407ec754a99367d5042
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f370b501812f2e7bd8efb29e3fcf0a7
SHA134b91ac63f1f31d11c33e8e9fe15947d53a65f41
SHA25673b4d856142bfdf91505167ef8d227a1cc6bef3607b05c2e2e7d43f1c4506277
SHA512ff53ce73783450819ce97b147d7da2c8583ba4f7b75851097f5e54107f194e5892dd9a3f21b479702b8cd20a073fd577967ea1c1a5c335beb85266dca1253aa8
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cf849567d570f1bbb601a18766189daa
SHA1a1aa36ad2b4d095831566f84ee2109c5fd52d16b
SHA2560918f5cc14a36b1bf068cf31444e973e6a11b7dd2dc3ce0ccd182521edfd41ce
SHA512e0fde0a3c9625f05b011e5d46ca41d126ab209e19aef696159d6dd7c1e28b65ca893c7167ea2e2f72172ce00c695ce7c42e8fa18edd6a578828b7573a6a1db09
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50faf5df707a1761372bb1a8b6e814370
SHA1a62e956ba950fc594ee97dd9bb7f76890759682b
SHA2568b41cd56a111a124e998d77d77240694322428943492cd9b0871402818976161
SHA51271531781c7af6a5aa7f550619f08707fd3691ce03d4486f1e2285e51de8a0579d456f5bd7772f26e70a9c9b159307582491065deb1338375d174363f6f3a211e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57687bcb0b571675476216de125963fa2
SHA1e36076e3b4e628bbaa3cd4581621eea39639404a
SHA2565c15b9da284444a8bec8bb7fa4c3ba6538df582fa5e5d07bd86c9c5979489421
SHA512b8285ca17975b2e96f3717c108a9a7857c22ca50cdc17027f290bed4121186d20b4092f8c2213b96fb5933358954a0d580ca68c81d9f25f06a894215f92d6540
-
Filesize
4.1MB
MD5fed6da32999909662a85fd3cbcbaa273
SHA17181f25bb80ec541ecf6c89390a6d9877d3ea34c
SHA2562a35faa81137088e81afecb34ca35d46f255b04546bd09ff65172565f6e72a98
SHA51222b115507a8692ad770e1512bc6183a30f785fa1074f6a63130ee99c8bc44887e63b79aadf7b0f85917d80346f79d5cdab5e38a02c85400e10d917575b817394
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec