Analysis
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max time kernel
149s -
max time network
134s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16-05-2024 04:33
Static task
static1
Behavioral task
behavioral1
Sample
37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe
Resource
win10v2004-20240426-en
General
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Target
37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe
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Size
4.1MB
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MD5
d607186a125b49d710c32d27381b33b2
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SHA1
2168fbf37fa3801e2cdfd44bcfc633c145699172
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SHA256
37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617
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SHA512
4c3801b74466708e3b503db22530014d0ce686980c426399c263ec3a9fa471cd5c564e775001860ca35c08434f615f6a4f11298453c78a074a875ef139b17183
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SSDEEP
98304:Z96GAmuNBigEkoqfZTwC6uGlBZNljS4jce:ZI9hoq9wC6uGlB/xge
Malware Config
Signatures
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Glupteba payload 17 IoCs
Processes:
resource yara_rule behavioral2/memory/5064-2-0x0000000002E60000-0x000000000374B000-memory.dmp family_glupteba behavioral2/memory/5064-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/5064-52-0x0000000002E60000-0x000000000374B000-memory.dmp family_glupteba behavioral2/memory/5064-75-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2208-125-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3084-199-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3084-211-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3084-212-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3084-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3084-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3084-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3084-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3084-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3084-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3084-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3084-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3084-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3576 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3084 csrss.exe 1032 injector.exe 3344 windefender.exe 1676 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa15-203.dat upx behavioral2/memory/3344-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1676-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3344-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1676-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1676-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1676-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.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\"" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.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:
37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe -
Drops file in Windows directory 4 IoCs
Processes:
37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe File created C:\Windows\rss\csrss.exe 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.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 3312 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3700 powershell.exe 1376 powershell.exe 220 powershell.exe 1500 powershell.exe 3564 powershell.exe 4100 powershell.exe 1728 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 2656 schtasks.exe 1576 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.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,-52 = "Greenland 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.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,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exepowershell.exe37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3564 powershell.exe 3564 powershell.exe 5064 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 5064 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 4100 powershell.exe 4100 powershell.exe 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 1728 powershell.exe 1728 powershell.exe 3700 powershell.exe 3700 powershell.exe 1376 powershell.exe 1376 powershell.exe 220 powershell.exe 220 powershell.exe 1500 powershell.exe 1500 powershell.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 3084 csrss.exe 3084 csrss.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 3084 csrss.exe 3084 csrss.exe 1032 injector.exe 1032 injector.exe 3084 csrss.exe 3084 csrss.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe 1032 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3564 powershell.exe Token: SeDebugPrivilege 5064 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Token: SeImpersonatePrivilege 5064 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe Token: SeDebugPrivilege 4100 powershell.exe Token: SeDebugPrivilege 1728 powershell.exe Token: SeDebugPrivilege 3700 powershell.exe Token: SeDebugPrivilege 1376 powershell.exe Token: SeDebugPrivilege 220 powershell.exe Token: SeDebugPrivilege 1500 powershell.exe Token: SeSystemEnvironmentPrivilege 3084 csrss.exe Token: SeSecurityPrivilege 3312 sc.exe Token: SeSecurityPrivilege 3312 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 5064 wrote to memory of 3564 5064 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 82 PID 5064 wrote to memory of 3564 5064 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 82 PID 5064 wrote to memory of 3564 5064 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 82 PID 2208 wrote to memory of 4100 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 87 PID 2208 wrote to memory of 4100 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 87 PID 2208 wrote to memory of 4100 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 87 PID 2208 wrote to memory of 4384 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 89 PID 2208 wrote to memory of 4384 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 89 PID 4384 wrote to memory of 3576 4384 cmd.exe 91 PID 4384 wrote to memory of 3576 4384 cmd.exe 91 PID 2208 wrote to memory of 1728 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 92 PID 2208 wrote to memory of 1728 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 92 PID 2208 wrote to memory of 1728 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 92 PID 2208 wrote to memory of 3700 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 94 PID 2208 wrote to memory of 3700 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 94 PID 2208 wrote to memory of 3700 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 94 PID 2208 wrote to memory of 3084 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 96 PID 2208 wrote to memory of 3084 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 96 PID 2208 wrote to memory of 3084 2208 37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe 96 PID 3084 wrote to memory of 1376 3084 csrss.exe 97 PID 3084 wrote to memory of 1376 3084 csrss.exe 97 PID 3084 wrote to memory of 1376 3084 csrss.exe 97 PID 3084 wrote to memory of 220 3084 csrss.exe 102 PID 3084 wrote to memory of 220 3084 csrss.exe 102 PID 3084 wrote to memory of 220 3084 csrss.exe 102 PID 3084 wrote to memory of 1500 3084 csrss.exe 105 PID 3084 wrote to memory of 1500 3084 csrss.exe 105 PID 3084 wrote to memory of 1500 3084 csrss.exe 105 PID 3084 wrote to memory of 1032 3084 csrss.exe 107 PID 3084 wrote to memory of 1032 3084 csrss.exe 107 PID 3344 wrote to memory of 5072 3344 windefender.exe 113 PID 3344 wrote to memory of 5072 3344 windefender.exe 113 PID 3344 wrote to memory of 5072 3344 windefender.exe 113 PID 5072 wrote to memory of 3312 5072 cmd.exe 114 PID 5072 wrote to memory of 3312 5072 cmd.exe 114 PID 5072 wrote to memory of 3312 5072 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\37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe"C:\Users\Admin\AppData\Local\Temp\37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3564
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C:\Users\Admin\AppData\Local\Temp\37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.exe"C:\Users\Admin\AppData\Local\Temp\37978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617.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:2208 -
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:4100
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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:4384 -
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:3576
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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:1728
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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:3700
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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:3084 -
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:1376
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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:2656
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2124
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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:220
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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:1500
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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:1032
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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:1576
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3344 -
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:5072 -
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:3312
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1676
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
MD5ec7373a1e70ba3122c291adb5629a47b
SHA1c80a8d14f49639fb0d2f236d0523fd6f05b669d5
SHA256eeb2470c9ad34659987ff7791591b208eefed5581d0ba41b5335bc0de85214b3
SHA512f08590b795dd4a14334cb240219810881414909d90127bef602163f6454a6be90b9edcd2eb5ff7929abbec2f99d3a7430a89e96ad3ec3a39b869c02a11ef7e10
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c99f9a9bf5de6c3a7386b78db058bcac
SHA1b2b02c0a37be971dbbd754e4cb85956cbebe4569
SHA256ccd96c52cf483f714d51289c87b0267cb1386b3e24a72016d70879d6271a6016
SHA512bd8817b813d92f4093eeed36cd9e62c5eec49648e5a513b38641a0ccf76431aa2c61c16e14fd707fb8dad4dd75000f73c778602acd7ebdf4dafbb17f2b72459f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD547cc549d603121cb717c13c63cfdbc18
SHA11272985084822a0f547f7da3dd8e80cec4818858
SHA25609bd6de25880fb4db4cd86fda6e0657638131904e4b27273b03ffc8ad8e78076
SHA5121a90a84ceffdc463ab734e35cec0fb0a4823e9e3c333a76e0358f13ab4d28247e15e0519ea164f4c653a71a88466ceaa8f8676a8906ae0e434dc6f8fafe5fa86
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551841a6ef1f613131cd116d467c12fac
SHA14aeb729a8ad9864f35927b09e0ff7498fa9430eb
SHA256cff9b8b396d7005f3bdf82230a1d98e82fe8562a601b7b76c17bc201c94c1ab2
SHA512f83cf52949f16ee988ed2ff54837d64dcee457bc373b024cc177439f7073464983cf201541edee158b6917dec7c25d2b291a7b9685d265000ce490e30aac0150
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ec5d59ac1fb8c5ed6a0dcf3cd2aa9399
SHA12ead30ad97b4094de4649837ca75c72e889429b0
SHA256a376733b63d92ebcb349c6e9827c1761bc639c4b84115fa74bf6caeecd4be98e
SHA512748b9ed1f46a9fe5167c71cd2ec1a9d1eb29ddc8c488fcbdb2e0c0cc8266f88ac02bbb9b4ac734d5e53d90877baa1ed07d573d2e1565196d24162aabfe0c6438
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Filesize
4.1MB
MD5d607186a125b49d710c32d27381b33b2
SHA12168fbf37fa3801e2cdfd44bcfc633c145699172
SHA25637978e221406de7c9454be93ff242856350231570ca2b7a0575f26ba9bce7617
SHA5124c3801b74466708e3b503db22530014d0ce686980c426399c263ec3a9fa471cd5c564e775001860ca35c08434f615f6a4f11298453c78a074a875ef139b17183
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec