Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-04-2024 11:28
Static task
static1
Behavioral task
behavioral1
Sample
6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe
Resource
win10v2004-20240412-en
General
-
Target
6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe
-
Size
4.2MB
-
MD5
fdf9f21cfe78f56c007882920f5690af
-
SHA1
04b20714b5c25dce4f915d9bcbb2506e392350e1
-
SHA256
6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a
-
SHA512
8c0b0fe673b9b6144c8aa96c47e3156a6f5cb8fd0b09f1a8787eaaca208965b114d9a68d2ba217fca473e3e7588354238077b12ecb68ac59e47641e157677ed5
-
SSDEEP
98304:KExeyMsyixS5pRc4vIUtzCuveHCg7xBa+u+nRK:KMby0Sruak17xw/
Malware Config
Signatures
-
Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/3964-2-0x0000000004190000-0x0000000004A7B000-memory.dmp family_glupteba behavioral2/memory/3964-3-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1156-53-0x0000000003FD0000-0x00000000048BB000-memory.dmp family_glupteba behavioral2/memory/1156-54-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/3964-78-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1156-129-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1156-190-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-240-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-251-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-255-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-259-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-263-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-267-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-271-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-275-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-279-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-283-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-287-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-291-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba behavioral2/memory/1044-295-0x0000000000400000-0x0000000001DF9000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3260 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1044 csrss.exe 3632 injector.exe 2604 windefender.exe 4392 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/2604-248-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4392-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4392-262-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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:
6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe -
Drops file in Windows directory 4 IoCs
Processes:
6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe File created C:\Windows\rss\csrss.exe 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.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 1080 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 4528 schtasks.exe 3748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.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\26\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 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\26\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2572 = "Turks and Caicos Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exepowershell.exe6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4440 powershell.exe 4440 powershell.exe 3964 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe 3964 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe 3016 powershell.exe 3016 powershell.exe 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe 4236 powershell.exe 4236 powershell.exe 976 powershell.exe 976 powershell.exe 2088 powershell.exe 2088 powershell.exe 1996 powershell.exe 1996 powershell.exe 964 powershell.exe 964 powershell.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 1044 csrss.exe 1044 csrss.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 1044 csrss.exe 1044 csrss.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 1044 csrss.exe 1044 csrss.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe 3632 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4440 powershell.exe Token: SeDebugPrivilege 3964 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Token: SeImpersonatePrivilege 3964 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe Token: SeDebugPrivilege 3016 powershell.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 976 powershell.exe Token: SeDebugPrivilege 2088 powershell.exe Token: SeDebugPrivilege 1996 powershell.exe Token: SeDebugPrivilege 964 powershell.exe Token: SeSystemEnvironmentPrivilege 1044 csrss.exe Token: SeSecurityPrivilege 1080 sc.exe Token: SeSecurityPrivilege 1080 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3964 wrote to memory of 4440 3964 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe powershell.exe PID 3964 wrote to memory of 4440 3964 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe powershell.exe PID 3964 wrote to memory of 4440 3964 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe powershell.exe PID 1156 wrote to memory of 3016 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe powershell.exe PID 1156 wrote to memory of 3016 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe powershell.exe PID 1156 wrote to memory of 3016 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe powershell.exe PID 1156 wrote to memory of 3020 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe cmd.exe PID 1156 wrote to memory of 3020 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe cmd.exe PID 3020 wrote to memory of 3260 3020 cmd.exe netsh.exe PID 3020 wrote to memory of 3260 3020 cmd.exe netsh.exe PID 1156 wrote to memory of 4236 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe powershell.exe PID 1156 wrote to memory of 4236 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe powershell.exe PID 1156 wrote to memory of 4236 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe powershell.exe PID 1156 wrote to memory of 976 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe powershell.exe PID 1156 wrote to memory of 976 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe powershell.exe PID 1156 wrote to memory of 976 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe powershell.exe PID 1156 wrote to memory of 1044 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe csrss.exe PID 1156 wrote to memory of 1044 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe csrss.exe PID 1156 wrote to memory of 1044 1156 6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe csrss.exe PID 1044 wrote to memory of 2088 1044 csrss.exe powershell.exe PID 1044 wrote to memory of 2088 1044 csrss.exe powershell.exe PID 1044 wrote to memory of 2088 1044 csrss.exe powershell.exe PID 1044 wrote to memory of 1996 1044 csrss.exe powershell.exe PID 1044 wrote to memory of 1996 1044 csrss.exe powershell.exe PID 1044 wrote to memory of 1996 1044 csrss.exe powershell.exe PID 1044 wrote to memory of 964 1044 csrss.exe powershell.exe PID 1044 wrote to memory of 964 1044 csrss.exe powershell.exe PID 1044 wrote to memory of 964 1044 csrss.exe powershell.exe PID 1044 wrote to memory of 3632 1044 csrss.exe injector.exe PID 1044 wrote to memory of 3632 1044 csrss.exe injector.exe PID 2604 wrote to memory of 4484 2604 windefender.exe cmd.exe PID 2604 wrote to memory of 4484 2604 windefender.exe cmd.exe PID 2604 wrote to memory of 4484 2604 windefender.exe cmd.exe PID 4484 wrote to memory of 1080 4484 cmd.exe sc.exe PID 4484 wrote to memory of 1080 4484 cmd.exe sc.exe PID 4484 wrote to memory of 1080 4484 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\6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe"C:\Users\Admin\AppData\Local\Temp\6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4440
-
-
C:\Users\Admin\AppData\Local\Temp\6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.exe"C:\Users\Admin\AppData\Local\Temp\6f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a.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:1156 -
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:3016
-
-
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:3020 -
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:3260
-
-
-
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:4236
-
-
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:976
-
-
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:1044 -
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:2088
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4528
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3652
-
-
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:1996
-
-
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:964
-
-
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:3632
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3748
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2604 -
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:4484 -
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:1080
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4392
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be69abdcca30c12ed69c2ea17d1afc48
SHA1acec555f65366fe578be4b2173bb7b6d8ad0b310
SHA25635229aa0bfc07d516a3b02e8d567871912f2955b93b2c86a4d11366ffef2d52a
SHA51220a4fe41af93109a034aa98cb91b8176fa40ee3d1cde084fe8e8be494048227933d4ccf60a40604b1e681abff680e0681866f551c5c1da61ea02d657c8f1744a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54673d0a7fb1d148bd3f8deffd1831018
SHA1da5821cc2736547868cd5683f58fbfb945e2fadf
SHA2567457c9617ed539898dfc7206d7a8a97f54d5782c563173534e3f75e468f3f0dd
SHA5122188f8946499934fedd4756265d045d8d4bb8e192e98b435922665e112d0afd14b570cbed50b3db0f0e116ca512463d58f32f48f4bf14cfc53fce5d9442f6c19
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ccf879a2693be9a217d4a8534b7eea30
SHA12621baf53106aaeb48dcd4a384e6fec1f364a0f6
SHA256182ff341a92480f47a78eb961bfe37d6e3c644108106251918a6e261b7aab822
SHA512c0d11f7f488527e07237dc04d57d3cc5dbff5ae105b3f1b3948ea686f23c2fdca71c29c7601ad6d6defff0bb68d5008d2d536a74844d16c660fde4fc6c36d30f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5650be231fd1fe60d921dcd58c81b8d03
SHA1d3c65ead65c48fe84dd40bab0c5390fad345f6ec
SHA2568f88ca00c2f793932cdc1669b8b35b6c224d38ab8c77d6e9a196ba00bc4f90cb
SHA512769a48e6523f194cfa8c33719bed51ec7df9d9d1c4612789c426eb599e254310451ca3fffcdee0407a14adc8cc2af20d18e0bcf2e0c86dfa41ad4dabaa2dcade
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f47845d0c49c19b9cd95f269f3c19f5c
SHA119129786dba30dffb98911a7236a48d5511e611d
SHA256aa5ccb56dc690e6e3b2ed856b502069298c30282c1ed062875c906ec31b84ef6
SHA51259bb4d29ea6aeee4dd43a9ff72f9f3033055ec0241a336b096f8fa8ee2a9960df99deed80ee8a3b8227262b91ac1e5c087e05accaac8f091a0795ede26bf298f
-
Filesize
4.2MB
MD5fdf9f21cfe78f56c007882920f5690af
SHA104b20714b5c25dce4f915d9bcbb2506e392350e1
SHA2566f1a4e2fbca0b0c09ba95882516fbbdc11b65e9a3f5d8857600e332845723a7a
SHA5128c0b0fe673b9b6144c8aa96c47e3156a6f5cb8fd0b09f1a8787eaaca208965b114d9a68d2ba217fca473e3e7588354238077b12ecb68ac59e47641e157677ed5
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec