Analysis
-
max time kernel
149s -
max time network
157s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 16:23
Static task
static1
Behavioral task
behavioral1
Sample
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe
Resource
win10v2004-20240426-en
General
-
Target
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe
-
Size
4.1MB
-
MD5
7c47f4ff30781e6936359f06900fef5a
-
SHA1
c51f6e7daadfca18ba49c02a27348ee429ac59cf
-
SHA256
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477
-
SHA512
601431e0f5ac03dc1bec29815566247ce47745987a8b443ab85f1b926e36917624b1ee8a1bc3ced0420af301524d0c316b8d530574d363973c9ae0b4c9bf7785
-
SSDEEP
98304:JvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1Z:JvHfb2IifudqhIuUHwAjW+H
Malware Config
Signatures
-
Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/2496-2-0x0000000004A40000-0x000000000532B000-memory.dmp family_glupteba behavioral2/memory/2496-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2496-54-0x0000000004A40000-0x000000000532B000-memory.dmp family_glupteba behavioral2/memory/2496-51-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/908-120-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/908-125-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-198-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-210-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-214-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-216-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-218-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-220-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-222-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-224-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-226-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1984-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1948 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 1984 csrss.exe 2224 injector.exe 4048 windefender.exe 1272 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000500000002a9b1-206.dat upx behavioral2/memory/4048-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1272-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4048-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1272-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1272-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\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:
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exedescription ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe File created C:\Windows\rss\csrss.exe 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 2268 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4052 powershell.exe 4668 powershell.exe 3912 powershell.exe 1496 powershell.exe 4920 powershell.exe 4028 powershell.exe 4864 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 3880 schtasks.exe 4804 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exepowershell.exewindefender.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,-449 = "Azerbaijan Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exepowershell.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3912 powershell.exe 3912 powershell.exe 2496 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 2496 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 1496 powershell.exe 1496 powershell.exe 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 4920 powershell.exe 4920 powershell.exe 4028 powershell.exe 4028 powershell.exe 4864 powershell.exe 4864 powershell.exe 4052 powershell.exe 4052 powershell.exe 4668 powershell.exe 4668 powershell.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 1984 csrss.exe 1984 csrss.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 1984 csrss.exe 1984 csrss.exe 2224 injector.exe 2224 injector.exe 1984 csrss.exe 1984 csrss.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe 2224 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 2496 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Token: SeImpersonatePrivilege 2496 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe Token: SeDebugPrivilege 1496 powershell.exe Token: SeDebugPrivilege 4920 powershell.exe Token: SeDebugPrivilege 4028 powershell.exe Token: SeDebugPrivilege 4864 powershell.exe Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 4668 powershell.exe Token: SeSystemEnvironmentPrivilege 1984 csrss.exe Token: SeSecurityPrivilege 2268 sc.exe Token: SeSecurityPrivilege 2268 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2496 wrote to memory of 3912 2496 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 81 PID 2496 wrote to memory of 3912 2496 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 81 PID 2496 wrote to memory of 3912 2496 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 81 PID 908 wrote to memory of 1496 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 86 PID 908 wrote to memory of 1496 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 86 PID 908 wrote to memory of 1496 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 86 PID 908 wrote to memory of 1220 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 88 PID 908 wrote to memory of 1220 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 88 PID 1220 wrote to memory of 1948 1220 cmd.exe 90 PID 1220 wrote to memory of 1948 1220 cmd.exe 90 PID 908 wrote to memory of 4920 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 91 PID 908 wrote to memory of 4920 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 91 PID 908 wrote to memory of 4920 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 91 PID 908 wrote to memory of 4028 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 93 PID 908 wrote to memory of 4028 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 93 PID 908 wrote to memory of 4028 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 93 PID 908 wrote to memory of 1984 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 95 PID 908 wrote to memory of 1984 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 95 PID 908 wrote to memory of 1984 908 2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe 95 PID 1984 wrote to memory of 4864 1984 csrss.exe 96 PID 1984 wrote to memory of 4864 1984 csrss.exe 96 PID 1984 wrote to memory of 4864 1984 csrss.exe 96 PID 1984 wrote to memory of 4052 1984 csrss.exe 102 PID 1984 wrote to memory of 4052 1984 csrss.exe 102 PID 1984 wrote to memory of 4052 1984 csrss.exe 102 PID 1984 wrote to memory of 4668 1984 csrss.exe 104 PID 1984 wrote to memory of 4668 1984 csrss.exe 104 PID 1984 wrote to memory of 4668 1984 csrss.exe 104 PID 1984 wrote to memory of 2224 1984 csrss.exe 106 PID 1984 wrote to memory of 2224 1984 csrss.exe 106 PID 4048 wrote to memory of 4540 4048 windefender.exe 118 PID 4048 wrote to memory of 4540 4048 windefender.exe 118 PID 4048 wrote to memory of 4540 4048 windefender.exe 118 PID 4540 wrote to memory of 2268 4540 cmd.exe 119 PID 4540 wrote to memory of 2268 4540 cmd.exe 119 PID 4540 wrote to memory of 2268 4540 cmd.exe 119 -
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\2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe"C:\Users\Admin\AppData\Local\Temp\2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3912
-
-
C:\Users\Admin\AppData\Local\Temp\2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.exe"C:\Users\Admin\AppData\Local\Temp\2c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477.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:908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1496
-
-
C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:1220 -
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:1948
-
-
-
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:4920
-
-
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:4028
-
-
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:1984 -
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:4864
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3880
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1464
-
-
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:4052
-
-
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:4668
-
-
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:2224
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4804
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4048 -
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:4540 -
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:2268
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1272
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52df790e9c2848959dd46718fae759650
SHA11c603d4f182b3fdbf825212d656a15e53fc95de3
SHA256e72faee5b13b0080e8e1fa72c304fd5794c1792ca79c35d0c9103617f08022e9
SHA512cc613cb51477f5f74a1680ee8d8bfa10d5af5597672d944cdc3207dae63e7a544f7ded501c66c1517c93bd8e2bd81f95e37ff9ce84db28984dd30b40b75559f5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574ac2378fca8e6c2c693aec8e8b784a6
SHA188bdbd88257f74669fb27469b1cc73caca48e5e0
SHA2566f0d0071036bb659ee801f93f2d1a3d953e87b62424dcfbc8ed054e5929fefc6
SHA5121e5066a02d04aba8bac6bea7920cbc7dd93fed98ce9df0ee43c21ad9cd83f2d941a1d90f51692dd6440c188e4680ca96f333d283c1d27197002b4916cedc63ed
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b6bdac37171161db5cbd4d8ad23188b
SHA17d3c07a797d6bac72e39d31a94590ae6f5eafdd0
SHA2564f3ca18ce48fb17c72e2bee1627259f0bbb68b0b53fee447c30cb601f53dd95f
SHA51287a08f196d9c2e9d78e0696915e26fea9ce66c7e175b14295d278ac54228a2b5407b13fd5c89b4372d73b35121e16620e8962481fb8e5f4a64cbd5e335839120
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ea8a677beb5ab90d389904e98f49d35f
SHA1f3b5bc10ee1de5acefc4ae5d08e21b9e5c9b4b96
SHA2567f085447498078f9c824cb9825eef83e98d08b7d9091657b060a941525862de7
SHA512d922c6e2225608c82080236922b30e6536e7d62e6a1d57a585d94381c97cef104ecdc332e574c8493946490d8bb22449d85058b9472ad846042b8ad519a943f7
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b59e5b4fed0164db3121cc8a04c3715
SHA1daeb66ffdc52c3f2a711fdd8837d0e0c51ff12d5
SHA25633362833eb0080952fc0aa01f3536a2893e50fab13ee3a4efafff629b9b8deeb
SHA5120f6ddc16dfd4956ccca3a1d40c959e923735c2f532b91cb64ea72e88b7b0b000aa2d12c0168f1738c7246dbc4e12451fad914a9103ba1ac32f460e466b935747
-
Filesize
4.1MB
MD57c47f4ff30781e6936359f06900fef5a
SHA1c51f6e7daadfca18ba49c02a27348ee429ac59cf
SHA2562c503fe00f01fdc63e3cfa9d1999282ce0c747909a116d8c9d4d09ca2b48f477
SHA512601431e0f5ac03dc1bec29815566247ce47745987a8b443ab85f1b926e36917624b1ee8a1bc3ced0420af301524d0c316b8d530574d363973c9ae0b4c9bf7785
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec