Analysis
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max time kernel
149s -
max time network
145s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 21:45
Static task
static1
Behavioral task
behavioral1
Sample
5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe
Resource
win10v2004-20240426-en
General
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Target
5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe
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Size
4.1MB
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MD5
18bfa46931ddf3f2de0945455ae82a96
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SHA1
3b1a516d5721fe0317b8b9fe6ba3a4506cedfd8a
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SHA256
5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba
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SHA512
f1ab1cd299cf157efa84016ae14e75c64134a257a2bae4e278a9f55e56648a94e501ba54919d93c226dd06cf395adefc804dcc35e7eecd7b3c1e056eb1660178
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SSDEEP
98304:8X33DbWGkLHuFK+TwQmBC6reQ4TTNXYvI8KgvjrB0rI:8XPWAwQyCdJYw8KggI
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/3024-2-0x0000000004A40000-0x000000000532B000-memory.dmp family_glupteba behavioral2/memory/3024-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/772-123-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3024-136-0x0000000004A40000-0x000000000532B000-memory.dmp family_glupteba behavioral2/memory/3024-135-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/3024-194-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/984-201-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/984-211-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/984-214-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/984-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/984-220-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/984-223-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/984-226-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/984-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/984-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/984-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/984-238-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/984-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/984-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1392 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 984 csrss.exe 5112 injector.exe 3104 windefender.exe 1940 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9ba-204.dat upx behavioral2/memory/3104-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1940-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3104-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1940-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1940-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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 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:
5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe -
Drops file in Windows directory 4 IoCs
Processes:
5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe File created C:\Windows\rss\csrss.exe 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.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 768 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4912 powershell.exe 1564 powershell.exe 1456 powershell.exe 4768 powershell.exe 3824 powershell.exe 1288 powershell.exe 1908 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 1520 schtasks.exe 1392 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exepowershell.exe5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process 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,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.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,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.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,-2531 = "Chatham Islands Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 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\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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,-442 = "Arabian Standard Time" windefender.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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight 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\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.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,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exepowershell.exe5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1288 powershell.exe 1288 powershell.exe 3024 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 3024 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 1908 powershell.exe 1908 powershell.exe 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 4912 powershell.exe 4912 powershell.exe 1564 powershell.exe 1564 powershell.exe 1456 powershell.exe 1456 powershell.exe 4768 powershell.exe 4768 powershell.exe 3824 powershell.exe 3824 powershell.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 984 csrss.exe 984 csrss.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 984 csrss.exe 984 csrss.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 984 csrss.exe 984 csrss.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe 5112 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1288 powershell.exe Token: SeDebugPrivilege 3024 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Token: SeImpersonatePrivilege 3024 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe Token: SeDebugPrivilege 1908 powershell.exe Token: SeDebugPrivilege 4912 powershell.exe Token: SeDebugPrivilege 1564 powershell.exe Token: SeDebugPrivilege 1456 powershell.exe Token: SeDebugPrivilege 4768 powershell.exe Token: SeDebugPrivilege 3824 powershell.exe Token: SeSystemEnvironmentPrivilege 984 csrss.exe Token: SeSecurityPrivilege 768 sc.exe Token: SeSecurityPrivilege 768 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3024 wrote to memory of 1288 3024 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 81 PID 3024 wrote to memory of 1288 3024 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 81 PID 3024 wrote to memory of 1288 3024 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 81 PID 772 wrote to memory of 1908 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 87 PID 772 wrote to memory of 1908 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 87 PID 772 wrote to memory of 1908 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 87 PID 772 wrote to memory of 2236 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 89 PID 772 wrote to memory of 2236 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 89 PID 2236 wrote to memory of 1392 2236 cmd.exe 109 PID 2236 wrote to memory of 1392 2236 cmd.exe 109 PID 772 wrote to memory of 4912 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 92 PID 772 wrote to memory of 4912 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 92 PID 772 wrote to memory of 4912 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 92 PID 772 wrote to memory of 1564 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 94 PID 772 wrote to memory of 1564 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 94 PID 772 wrote to memory of 1564 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 94 PID 772 wrote to memory of 984 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 96 PID 772 wrote to memory of 984 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 96 PID 772 wrote to memory of 984 772 5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe 96 PID 984 wrote to memory of 1456 984 csrss.exe 97 PID 984 wrote to memory of 1456 984 csrss.exe 97 PID 984 wrote to memory of 1456 984 csrss.exe 97 PID 984 wrote to memory of 4768 984 csrss.exe 103 PID 984 wrote to memory of 4768 984 csrss.exe 103 PID 984 wrote to memory of 4768 984 csrss.exe 103 PID 984 wrote to memory of 3824 984 csrss.exe 105 PID 984 wrote to memory of 3824 984 csrss.exe 105 PID 984 wrote to memory of 3824 984 csrss.exe 105 PID 984 wrote to memory of 5112 984 csrss.exe 107 PID 984 wrote to memory of 5112 984 csrss.exe 107 PID 3104 wrote to memory of 4800 3104 windefender.exe 113 PID 3104 wrote to memory of 4800 3104 windefender.exe 113 PID 3104 wrote to memory of 4800 3104 windefender.exe 113 PID 4800 wrote to memory of 768 4800 cmd.exe 114 PID 4800 wrote to memory of 768 4800 cmd.exe 114 PID 4800 wrote to memory of 768 4800 cmd.exe 114 -
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\5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe"C:\Users\Admin\AppData\Local\Temp\5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1288
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C:\Users\Admin\AppData\Local\Temp\5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.exe"C:\Users\Admin\AppData\Local\Temp\5c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba.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:772 -
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:1908
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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:2236 -
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:1392
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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:4912
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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:1564
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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:984 -
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:1456
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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:1520
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2368
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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:4768
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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:3824
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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:5112
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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:1392
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3104 -
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:4800 -
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:768
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1940
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
MD583356aab32860f58484955127ac2c015
SHA112d053a9d7ba6fc91b22a4d8d99f147971bbb808
SHA2568ac505598cf423a238acb5639dd15424fd59294bf7918beaa07fb71387216cc9
SHA512d29410386a2fc8145e505142cac67243337ef789f6e5a26c6cc801a785d1e61b01058ff4396a7a4eda281bf7555d4678044194af1a73c26775ddbb91abe1ca25
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55e5784cd4de570747c27aad37d17df58
SHA1514812e32ae9cdacd848d2c6fbb6c35f97d7b0b1
SHA256acca59f4401401911ad3d1fd2a95d8084311dca805da7a6a90418b549fa74fa0
SHA512d81c6dd1f04c59b38f1324e1d1f1a2f8919ddab706a007092413aa2355b44de65d606c81a30a82779aba5f51c0d64f1c824b0315e7c444648792c828b6551a41
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51e657f1842f9c104f699d2d12bf23b31
SHA1ec6dc09c67dccaec9e22f0000f76dcf318376619
SHA256d1676d0297084d4471450a702a0f821916ea485bb9255ec97721cfd6c64950b5
SHA5125fad8f76f3e37ef06941969f2f8ff3f1060ea62b1777de64d921059f3bbf33f16f93017d024a3f3a8126c6c9166ed387c02a93ac20566a42ab02ec90e1047c5b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f58a53d2137be775915429d935e1631
SHA193185f4aeab0c65f862d56491d86cd1410697277
SHA256c1e1f37fd671a3bd2fd9ec324d7d37d94b9a6f9e97d8f1c9112ebbf93805364a
SHA5127de780aad5eef2c06045369795b607e44d63f03f7e17923abb5f67b1b2928c59ce0c7bc35bb955f6dcc77e6473aa82c142381f402ab05d1790b8a096c9578113
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5afd19ca34c3cfe6229b6d732b2edf87e
SHA1d0cb72abcde1daf5992c4e1c52e03ea11c0f39a3
SHA256ceeac18595f9c8df0760b518b631024f58b62b7f233a6a55110091a6dc415cab
SHA512d03177595557032ffde948a2e84cbce7a7468033473b6e4c9004568364cf72a6cb793356d36ac89b720278b126855f788e1323f4fe9e0ec97063f0506f35fb09
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Filesize
4.1MB
MD518bfa46931ddf3f2de0945455ae82a96
SHA13b1a516d5721fe0317b8b9fe6ba3a4506cedfd8a
SHA2565c3c8aede0a1d16af59e5204db0b2a11b1c92d6d189f6ef44267a54072569bba
SHA512f1ab1cd299cf157efa84016ae14e75c64134a257a2bae4e278a9f55e56648a94e501ba54919d93c226dd06cf395adefc804dcc35e7eecd7b3c1e056eb1660178
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec