Analysis
-
max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 16:03
Static task
static1
Behavioral task
behavioral1
Sample
1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe
Resource
win10v2004-20240412-en
General
-
Target
1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe
-
Size
4.2MB
-
MD5
b8947ec96c77f712ceb8dcb85e2621ab
-
SHA1
dc9f1d753a8b3d02d4755b1a3f02267f6ca874a4
-
SHA256
1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24
-
SHA512
f17ed41f871dc5feb99e3fae79698b1152e9196717c54fd35d74c11b24f82830fb7c51ded288bde06ab9762c33494bc5e0b1d8a6a9a1417d6d48e1b9be0a7b47
-
SSDEEP
98304:voZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJeO:v3OuIEug7vwUGt7S+nKU
Malware Config
Signatures
-
Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/404-2-0x0000000003F40000-0x000000000482B000-memory.dmp family_glupteba behavioral1/memory/404-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/404-53-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/404-56-0x0000000003F40000-0x000000000482B000-memory.dmp family_glupteba behavioral1/memory/2604-57-0x0000000003EA0000-0x000000000478B000-memory.dmp family_glupteba behavioral1/memory/2604-58-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2604-125-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/2604-195-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1936-257-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1936-267-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1936-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1936-277-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1936-280-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1936-283-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1936-286-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1936-289-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1936-292-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1936-295-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1936-298-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral1/memory/1936-301-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1552 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1936 csrss.exe 3976 injector.exe 4724 windefender.exe 1152 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4724-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1152-275-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1152-281-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1152-290-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe -
Drops file in Windows directory 4 IoCs
Processes:
1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe File created C:\Windows\rss\csrss.exe 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.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 884 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 2580 schtasks.exe 1052 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exepowershell.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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\26\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.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,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2062 = "North Korea 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\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.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,-1661 = "Bahia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.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,-2631 = "Norfolk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exepowershell.exe1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4036 powershell.exe 4036 powershell.exe 404 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe 404 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe 1416 powershell.exe 1416 powershell.exe 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe 4408 powershell.exe 4408 powershell.exe 2916 powershell.exe 2916 powershell.exe 2740 powershell.exe 2740 powershell.exe 4544 powershell.exe 4544 powershell.exe 2996 powershell.exe 2996 powershell.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 1936 csrss.exe 1936 csrss.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 1936 csrss.exe 1936 csrss.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 1936 csrss.exe 1936 csrss.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe 3976 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4036 powershell.exe Token: SeDebugPrivilege 404 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Token: SeImpersonatePrivilege 404 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe Token: SeDebugPrivilege 1416 powershell.exe Token: SeDebugPrivilege 4408 powershell.exe Token: SeDebugPrivilege 2916 powershell.exe Token: SeDebugPrivilege 2740 powershell.exe Token: SeDebugPrivilege 4544 powershell.exe Token: SeDebugPrivilege 2996 powershell.exe Token: SeSystemEnvironmentPrivilege 1936 csrss.exe Token: SeSecurityPrivilege 884 sc.exe Token: SeSecurityPrivilege 884 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 404 wrote to memory of 4036 404 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe powershell.exe PID 404 wrote to memory of 4036 404 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe powershell.exe PID 404 wrote to memory of 4036 404 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe powershell.exe PID 2604 wrote to memory of 1416 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe powershell.exe PID 2604 wrote to memory of 1416 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe powershell.exe PID 2604 wrote to memory of 1416 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe powershell.exe PID 2604 wrote to memory of 348 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe cmd.exe PID 2604 wrote to memory of 348 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe cmd.exe PID 348 wrote to memory of 1552 348 cmd.exe netsh.exe PID 348 wrote to memory of 1552 348 cmd.exe netsh.exe PID 2604 wrote to memory of 4408 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe powershell.exe PID 2604 wrote to memory of 4408 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe powershell.exe PID 2604 wrote to memory of 4408 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe powershell.exe PID 2604 wrote to memory of 2916 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe powershell.exe PID 2604 wrote to memory of 2916 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe powershell.exe PID 2604 wrote to memory of 2916 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe powershell.exe PID 2604 wrote to memory of 1936 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe csrss.exe PID 2604 wrote to memory of 1936 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe csrss.exe PID 2604 wrote to memory of 1936 2604 1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe csrss.exe PID 1936 wrote to memory of 2740 1936 csrss.exe powershell.exe PID 1936 wrote to memory of 2740 1936 csrss.exe powershell.exe PID 1936 wrote to memory of 2740 1936 csrss.exe powershell.exe PID 1936 wrote to memory of 4544 1936 csrss.exe powershell.exe PID 1936 wrote to memory of 4544 1936 csrss.exe powershell.exe PID 1936 wrote to memory of 4544 1936 csrss.exe powershell.exe PID 1936 wrote to memory of 2996 1936 csrss.exe powershell.exe PID 1936 wrote to memory of 2996 1936 csrss.exe powershell.exe PID 1936 wrote to memory of 2996 1936 csrss.exe powershell.exe PID 1936 wrote to memory of 3976 1936 csrss.exe injector.exe PID 1936 wrote to memory of 3976 1936 csrss.exe injector.exe PID 4724 wrote to memory of 1112 4724 windefender.exe cmd.exe PID 4724 wrote to memory of 1112 4724 windefender.exe cmd.exe PID 4724 wrote to memory of 1112 4724 windefender.exe cmd.exe PID 1112 wrote to memory of 884 1112 cmd.exe sc.exe PID 1112 wrote to memory of 884 1112 cmd.exe sc.exe PID 1112 wrote to memory of 884 1112 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\1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe"C:\Users\Admin\AppData\Local\Temp\1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:404 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4036
-
-
C:\Users\Admin\AppData\Local\Temp\1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.exe"C:\Users\Admin\AppData\Local\Temp\1c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24.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:2604 -
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:1416
-
-
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:348 -
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:1552
-
-
-
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:4408
-
-
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:2916
-
-
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:1936 -
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:2740
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2580
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:64
-
-
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:4544
-
-
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:2996
-
-
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:3976
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1052
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4724 -
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:1112 -
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:884
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1152
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
MD596e87a791c1f5f8f7c18236c10d1968c
SHA1c194ad8941cf4a8fb1d7905eba68e752d2bf11c4
SHA2560ec0c83f437b281176c98fa7be5daca24912c2a9c98506b2469e76954f07732f
SHA512d5c3b4da4a00bbd2a55cd6353f302a408f674800a8e914aefc6619255e5d47a9618d1556f31f29a995d0dbbce17ffebc881fec90cb37ff7ccdd425cce1d63dc6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574843988bce6b95a91bddd750a546488
SHA1e9292486a3de6fb191a76d2047dec2a66cdee10b
SHA256d36d07cc896e717c241440ec39c9c912b6db426a40942d531a43c66e531f7256
SHA512f4187c958c44583028e3910ec392f37b0c2bf470e91b65f96620efed68477243fb21184d125491155dea5fafe627e0f69e63fa89b5576553e0cc8f1a08c3712e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ef67897f447b27f4268e3e479a0cb42
SHA14ecf16f479dc5245a1895a17cb9f6b280c941f31
SHA2561783aa026d61b7c34dbb2613ea441f438b10b2eb2c0df547cb0080926e9201e6
SHA5127c40355b36195226882f859ae85e53ad0422e3fc1a297d798ea518ca735482f6b3cbf57fcfd3b39a79fac9c7594b2dc082866145de8702c414b6697905baa5f1
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c229bae3cfbdd03626a6625f9db32d36
SHA13d592ff577ea55f876637a985f86d7a336025d13
SHA256eb792f477ff98ba11e807e47a380f2f02ea9014763d53506ef0d25545524e9b7
SHA512ed661439bcb4927b439897949cee3cf72cc01261d5ceaa63cc9479b98f5d79ec01f6d6841bd7e6391bd1453fd419a821065547a4effdb153ffd5f6603b5be857
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5642859cf30709cf5353fa42074381e54
SHA194056acb0a291fae324d2f290e9acca156995e8b
SHA25662efa7f8e2f5a29ae2c7e695d66dd77b3677c423949f10dea9bf506ccb919dce
SHA512a5bb0d8796eb73f4d6efd4dc07ff44af940e6afb2c1555a51fd0dfc4cd31f16fde72d73d4ee30cf27eb4f9f5cdbc85cb31a25bacebbc555fdbb4fcc4036dbe56
-
Filesize
4.2MB
MD5b8947ec96c77f712ceb8dcb85e2621ab
SHA1dc9f1d753a8b3d02d4755b1a3f02267f6ca874a4
SHA2561c0520690790115cbcbc23a0c6972f2b59bff66b4994d9d84a12cbd45722ca24
SHA512f17ed41f871dc5feb99e3fae79698b1152e9196717c54fd35d74c11b24f82830fb7c51ded288bde06ab9762c33494bc5e0b1d8a6a9a1417d6d48e1b9be0a7b47
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec