Analysis
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max time kernel
149s -
max time network
150s -
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 20:43
Static task
static1
Behavioral task
behavioral1
Sample
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe
Resource
win10v2004-20240508-en
General
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Target
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe
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Size
4.1MB
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MD5
0258446e9cc82bd20999e1e8d701b831
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SHA1
beafc426eb72ae3f240541e9a30b11a48475bfe9
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SHA256
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2
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SHA512
84e026ece67db35297f1648c30920eb89b0e632981c794b63de3ddd4ae08e9d5dd49405b8d3df69218c88302e3b8a0933b7cd892dbf11f9b0a9fe410e58052c5
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SSDEEP
98304:b7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvNc:bzgmDywQg+foZ8mw6SO
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2492-2-0x0000000004B00000-0x00000000053EB000-memory.dmp family_glupteba behavioral2/memory/2492-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2492-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2492-54-0x0000000004B00000-0x00000000053EB000-memory.dmp family_glupteba behavioral2/memory/2492-51-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3084-121-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3084-126-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3624-205-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3624-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3624-216-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3624-218-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3624-220-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3624-223-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3624-224-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3624-226-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3624-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3624-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3624-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3624-234-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4496 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3624 csrss.exe 1572 injector.exe 4168 windefender.exe 4660 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa27-208.dat upx behavioral2/memory/4168-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4168-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4660-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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.
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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\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 File created 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:
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe -
Drops file in Windows directory 4 IoCs
Processes:
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe File created C:\Windows\rss\csrss.exe 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.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 996 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 992 powershell.exe 2748 powershell.exe 2400 powershell.exe 108 powershell.exe 2044 powershell.exe 1228 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 2728 schtasks.exe 3304 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-1842 = "Russia TZ 4 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\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.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\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.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\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar 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,-772 = "Montevideo Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 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,-561 = "SE Asia Daylight Time" 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exepowershell.exe335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1228 powershell.exe 1228 powershell.exe 2492 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 2492 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 4864 powershell.exe 4864 powershell.exe 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 992 powershell.exe 992 powershell.exe 2748 powershell.exe 2748 powershell.exe 2400 powershell.exe 2400 powershell.exe 108 powershell.exe 108 powershell.exe 2044 powershell.exe 2044 powershell.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 3624 csrss.exe 3624 csrss.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 3624 csrss.exe 3624 csrss.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 3624 csrss.exe 3624 csrss.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe 1572 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1228 powershell.exe Token: SeDebugPrivilege 2492 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Token: SeImpersonatePrivilege 2492 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe Token: SeDebugPrivilege 4864 powershell.exe Token: SeDebugPrivilege 992 powershell.exe Token: SeDebugPrivilege 2748 powershell.exe Token: SeDebugPrivilege 2400 powershell.exe Token: SeDebugPrivilege 108 powershell.exe Token: SeDebugPrivilege 2044 powershell.exe Token: SeSystemEnvironmentPrivilege 3624 csrss.exe Token: SeSecurityPrivilege 996 sc.exe Token: SeSecurityPrivilege 996 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 2492 wrote to memory of 1228 2492 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 79 PID 2492 wrote to memory of 1228 2492 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 79 PID 2492 wrote to memory of 1228 2492 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 79 PID 3084 wrote to memory of 4864 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 84 PID 3084 wrote to memory of 4864 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 84 PID 3084 wrote to memory of 4864 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 84 PID 3084 wrote to memory of 1456 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 86 PID 3084 wrote to memory of 1456 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 86 PID 1456 wrote to memory of 4496 1456 cmd.exe 88 PID 1456 wrote to memory of 4496 1456 cmd.exe 88 PID 3084 wrote to memory of 992 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 89 PID 3084 wrote to memory of 992 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 89 PID 3084 wrote to memory of 992 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 89 PID 3084 wrote to memory of 2748 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 91 PID 3084 wrote to memory of 2748 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 91 PID 3084 wrote to memory of 2748 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 91 PID 3084 wrote to memory of 3624 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 93 PID 3084 wrote to memory of 3624 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 93 PID 3084 wrote to memory of 3624 3084 335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe 93 PID 3624 wrote to memory of 2400 3624 csrss.exe 94 PID 3624 wrote to memory of 2400 3624 csrss.exe 94 PID 3624 wrote to memory of 2400 3624 csrss.exe 94 PID 3624 wrote to memory of 108 3624 csrss.exe 100 PID 3624 wrote to memory of 108 3624 csrss.exe 100 PID 3624 wrote to memory of 108 3624 csrss.exe 100 PID 3624 wrote to memory of 2044 3624 csrss.exe 102 PID 3624 wrote to memory of 2044 3624 csrss.exe 102 PID 3624 wrote to memory of 2044 3624 csrss.exe 102 PID 3624 wrote to memory of 1572 3624 csrss.exe 104 PID 3624 wrote to memory of 1572 3624 csrss.exe 104 PID 4168 wrote to memory of 2548 4168 windefender.exe 110 PID 4168 wrote to memory of 2548 4168 windefender.exe 110 PID 4168 wrote to memory of 2548 4168 windefender.exe 110 PID 2548 wrote to memory of 996 2548 cmd.exe 111 PID 2548 wrote to memory of 996 2548 cmd.exe 111 PID 2548 wrote to memory of 996 2548 cmd.exe 111 -
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
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C:\Users\Admin\AppData\Local\Temp\335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe"C:\Users\Admin\AppData\Local\Temp\335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1228
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C:\Users\Admin\AppData\Local\Temp\335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.exe"C:\Users\Admin\AppData\Local\Temp\335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2.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:3084 -
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:4864
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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:1456 -
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:4496
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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:992
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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:2748
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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:3624 -
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:2400
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2728
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1052
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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:108
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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:2044
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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:1572
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3304
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4168 -
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:2548 -
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:996
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4660
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
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2a529455af7826d217d4b6f5adc97f5
SHA1ea6b9edc0d634907407f8750b805287e3807b697
SHA2569dc55540b13a47449f5c492e509a866d03940d9ac7cdbcd80babd111519c88a4
SHA512974d401c9af74a6ce77ab98a8fd1080bc281b330c6dc472df18edc97ad7cdb2cf81ccd457a1727ebe7877ab1278392c92c7d0b4ee374ce714bc0281bdb2e2330
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53008acafd5c9cdd9ef13c9857c39ca2b
SHA1900b42fe150eb617766b74c81a0a9c09a43a0de1
SHA256c7092868e1cffdaa0bd57634f1249b855b6d7f6e274d9be5c33265a006d41379
SHA512c24f4711ee3565846bc6814594be0d4fdb18b5619bc2a89042dc780d81d19983d92469e2d80793801be8edcb26cabb6f6b081b17ce5e633e717e58847aa799e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD557a48d50ab8a2e572e8846f04b0fba16
SHA19ba6c70429a7ed9debd47e67d7c106aa24898bf8
SHA256827238774dedd279db4d94dbc97e2f9df25afa2cea02c1d17fe876a7f2676890
SHA512647c4abb8d9f8b72f9a15e6760e3b6dadae98e4bcf7ffc3ac1366e116959a57ef73dbcbef4bfbf034f6814058a5c50c9d726d4a27429f5081642bc19819b432a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56c886d9ab1e5ebb18c67dfa332461690
SHA17a588c2cff9feae600a6fa53a5f26b537d39d56b
SHA256f030cf390716b9c40d787b65cdb2023286c55ef4cd65d1937cd5d1d3f893fab1
SHA5128d2a92927acf7205886c62ac6b06e2e9db711ffecc40df0b1c2f35d24d5943c020e06789afdf46e488bb716393efe8976f670bc9dfd1dd6b070facfd76cd91cd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a120d7fec2c60d2488a6546fe92377ab
SHA145abac0ec2ff592d88d40bc76726d0f105d1e83c
SHA25642f185e974af93d64f860f9e79682a7bf37147cc49b1a681957c9e96c0e55f31
SHA51229b11edfd5c9b75c040f946bf443470e95df9982709612da032e0f61f19dd4e1e0bf7eebd6456a2b061239bcc8eab86f46a5af33ee472d5639852ba682ba533b
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Filesize
4.1MB
MD50258446e9cc82bd20999e1e8d701b831
SHA1beafc426eb72ae3f240541e9a30b11a48475bfe9
SHA256335167cca0ec369057e1146ed6396a9dd002eb69936774a9d77f5a3060dd21c2
SHA51284e026ece67db35297f1648c30920eb89b0e632981c794b63de3ddd4ae08e9d5dd49405b8d3df69218c88302e3b8a0933b7cd892dbf11f9b0a9fe410e58052c5
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec