Analysis
-
max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 10:01
Static task
static1
Behavioral task
behavioral1
Sample
f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe
Resource
win10v2004-20240426-en
General
-
Target
f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe
-
Size
4.1MB
-
MD5
b45ca7444ee1d740f88b773be17f146b
-
SHA1
166b898e19710cf5cb14604858335eacd9593bad
-
SHA256
f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28
-
SHA512
4ff9e3f5162f4dc2aa5f6732c8f0e54257265eb7f84277fca3a671c63cbcf9a2f7c6a701c910e0b80eb7c3e2ce584cc30e53aaa188c1b0a8a25edd2cff7fdf89
-
SSDEEP
98304:VH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5j:8r7OagDbOPW/F2k5tRZaLrZ
Malware Config
Signatures
-
Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/2164-2-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/2164-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2684-56-0x0000000002D30000-0x000000000361B000-memory.dmp family_glupteba behavioral1/memory/2164-80-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2164-96-0x0000000002D60000-0x000000000364B000-memory.dmp family_glupteba behavioral1/memory/2684-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4188-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3988 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4188 csrss.exe 2724 injector.exe 1212 windefender.exe 2868 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00090000000234b9-220.dat upx behavioral1/memory/1212-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2868-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1212-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2868-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2868-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 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 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:
f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe -
Drops file in Windows directory 4 IoCs
Processes:
f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe File created C:\Windows\rss\csrss.exe f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.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 2244 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3920 powershell.exe 3584 powershell.exe 688 powershell.exe 2516 powershell.exe 4544 powershell.exe 5064 powershell.exe 2868 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 824 schtasks.exe 4748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.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\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.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\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exef1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exepowershell.exef1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 2868 powershell.exe 2868 powershell.exe 2164 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 2164 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 3920 powershell.exe 3920 powershell.exe 3920 powershell.exe 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 3584 powershell.exe 3584 powershell.exe 688 powershell.exe 688 powershell.exe 2516 powershell.exe 2516 powershell.exe 4544 powershell.exe 4544 powershell.exe 5064 powershell.exe 5064 powershell.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 4188 csrss.exe 4188 csrss.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 4188 csrss.exe 4188 csrss.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 4188 csrss.exe 4188 csrss.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe 2724 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exef1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 2868 powershell.exe Token: SeDebugPrivilege 2164 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Token: SeImpersonatePrivilege 2164 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe Token: SeDebugPrivilege 3920 powershell.exe Token: SeDebugPrivilege 3584 powershell.exe Token: SeDebugPrivilege 688 powershell.exe Token: SeDebugPrivilege 2516 powershell.exe Token: SeDebugPrivilege 4544 powershell.exe Token: SeDebugPrivilege 5064 powershell.exe Token: SeSystemEnvironmentPrivilege 4188 csrss.exe Token: SeSecurityPrivilege 2244 sc.exe Token: SeSecurityPrivilege 2244 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exef1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2164 wrote to memory of 2868 2164 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 87 PID 2164 wrote to memory of 2868 2164 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 87 PID 2164 wrote to memory of 2868 2164 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 87 PID 2684 wrote to memory of 3920 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 99 PID 2684 wrote to memory of 3920 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 99 PID 2684 wrote to memory of 3920 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 99 PID 2684 wrote to memory of 4312 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 101 PID 2684 wrote to memory of 4312 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 101 PID 4312 wrote to memory of 3988 4312 cmd.exe 103 PID 4312 wrote to memory of 3988 4312 cmd.exe 103 PID 2684 wrote to memory of 3584 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 104 PID 2684 wrote to memory of 3584 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 104 PID 2684 wrote to memory of 3584 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 104 PID 2684 wrote to memory of 688 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 106 PID 2684 wrote to memory of 688 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 106 PID 2684 wrote to memory of 688 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 106 PID 2684 wrote to memory of 4188 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 108 PID 2684 wrote to memory of 4188 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 108 PID 2684 wrote to memory of 4188 2684 f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe 108 PID 4188 wrote to memory of 2516 4188 csrss.exe 109 PID 4188 wrote to memory of 2516 4188 csrss.exe 109 PID 4188 wrote to memory of 2516 4188 csrss.exe 109 PID 4188 wrote to memory of 4544 4188 csrss.exe 115 PID 4188 wrote to memory of 4544 4188 csrss.exe 115 PID 4188 wrote to memory of 4544 4188 csrss.exe 115 PID 4188 wrote to memory of 5064 4188 csrss.exe 117 PID 4188 wrote to memory of 5064 4188 csrss.exe 117 PID 4188 wrote to memory of 5064 4188 csrss.exe 117 PID 4188 wrote to memory of 2724 4188 csrss.exe 119 PID 4188 wrote to memory of 2724 4188 csrss.exe 119 PID 1212 wrote to memory of 3108 1212 windefender.exe 126 PID 1212 wrote to memory of 3108 1212 windefender.exe 126 PID 1212 wrote to memory of 3108 1212 windefender.exe 126 PID 3108 wrote to memory of 2244 3108 cmd.exe 127 PID 3108 wrote to memory of 2244 3108 cmd.exe 127 PID 3108 wrote to memory of 2244 3108 cmd.exe 127 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe"C:\Users\Admin\AppData\Local\Temp\f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2164 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2868
-
-
C:\Users\Admin\AppData\Local\Temp\f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.exe"C:\Users\Admin\AppData\Local\Temp\f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28.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:2684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3920
-
-
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:4312 -
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:3988
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3584
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:688
-
-
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:4188 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2516
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4748
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3256
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4544
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5064
-
-
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:2724
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:824
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1212 -
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:3108 -
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:2244
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2868
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
MD54d0e424686cde345f6feee75774dbd3a
SHA1c2e971f41aa08fe300058d110a1d34d6fb2c74ab
SHA256b2c450c87247e96bfd1c028a6c9e1d0e841dd9f719f39a2da0fe63b141bf6ac9
SHA5123a08296d7a99d6251a07ca9c30c3d673fb39a38ed5e8e4006f72cf2ebe662bc0df565f14f45a7f10833871409198b6bbecd3c14b8e780ecddae9c8f809fabc12
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57b33e27161d20b8decca89644033df4f
SHA16f1bd3bb7357de6aed767c950baffeab547f8024
SHA256f657fa501f2821b5788f82f1624cf9ce28faba37a8b7f7e70d61efb17979a1e0
SHA5126f00f8f34ca229b437e13db2caf4e04188538f9e4d8d16d957b22aa3f57eda83fcdf751937737711f90aa970371f75e45f30e285651083927202c0e650c76773
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f750d4b04c3ac61d0a78177f171e6320
SHA12dafdaa2891e1113fc6642f7d5ff08b430d39b23
SHA25645dd543f68307ac933f720a9c862c6990de1162a5e4480378a08c41c2b5ad88c
SHA512c6157963502d5d3de22038459ffbde84cfc5307843ce971ea41835565e1182372031b1996de3306c3bd703bc83758b2b2e676680c98d42c4e865466e46b58aa6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b4d55e9ac88dab9b0d13300fae4ade3b
SHA197543efbcc2bdf309201ff7d9896c897f9a4f258
SHA25633c664a7c6fe9173523d9bd856c9865b6662906136a79545bef42e21dc5a2d40
SHA512c55e4f0a635bfb06546779b06510cd8a9bbdd26796dfdad09c2d6e981f6c514f9ed513fc22ef56c83b97305a4b5901ce26bdf3b79007565d21514ba09e3283f6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f56b3e97354f840bd420368591bd6c61
SHA1c6b8b1f1edea2d9a41005a5a31fe2b4a60334aea
SHA256250abae8d7b17fcd50a569f9341db50317b6a4614619e48fc6e0324044aa7070
SHA512be67f021a0dea4863403d0cff557d7d9521ee5da2518d1a1a6c51d54071c50d2617bb22dac6fed74026232dfec5232ffd4b8b8ace981005f49700c2c18cfdb14
-
Filesize
4.1MB
MD5b45ca7444ee1d740f88b773be17f146b
SHA1166b898e19710cf5cb14604858335eacd9593bad
SHA256f1e2df238e780d62053a6028d5a28a893d61c9f52489171e823b5dff88cbea28
SHA5124ff9e3f5162f4dc2aa5f6732c8f0e54257265eb7f84277fca3a671c63cbcf9a2f7c6a701c910e0b80eb7c3e2ce584cc30e53aaa188c1b0a8a25edd2cff7fdf89
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec