Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
30-04-2024 07:07
Static task
static1
Behavioral task
behavioral1
Sample
2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe
Resource
win10v2004-20240426-en
General
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Target
2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe
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Size
4.2MB
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MD5
f82b4b019287eb16dd8cf7156c72a3f8
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SHA1
21d55251bc6cd27b60ecc4660c8d1fc73515967d
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SHA256
2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444
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SHA512
4840530f2a567a7d9093d3a5ecb290330096e1e5fcc6378685cfba211e1af0e22724748012f8c5d7cc07da5cb5762783223d2a8846be4aaaca17a58906ed1c5b
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SSDEEP
98304:73fclVPVcYr6prpRtwbp/CdqhSf/LSZIrcMLb3J1blMIAMQgOHn5ic:bfwpVWrpC6kSXLXv3PWIg9HnAc
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral1/memory/4904-2-0x0000000003E20000-0x000000000470B000-memory.dmp family_glupteba behavioral1/memory/4904-3-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4904-80-0x0000000003E20000-0x000000000470B000-memory.dmp family_glupteba behavioral1/memory/4904-79-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/1748-129-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4308-215-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/1748-214-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4308-226-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4308-229-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4308-233-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4308-237-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4308-241-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4308-245-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4308-248-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4308-254-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4308-257-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4308-261-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba behavioral1/memory/4308-265-0x0000000000400000-0x0000000001DF3000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1616 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4308 csrss.exe 1612 injector.exe 1528 windefender.exe 2600 windefender.exe -
resource yara_rule behavioral1/files/0x00090000000234a2-218.dat upx behavioral1/memory/1528-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2600-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1528-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2600-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2600-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description 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 created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5072 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4884 schtasks.exe 4532 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-592 = "Malay Peninsula Standard Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard 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,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-1021 = "Bangladesh Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.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,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2272 powershell.exe 2272 powershell.exe 4904 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 4904 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 4536 powershell.exe 4536 powershell.exe 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 5072 powershell.exe 5072 powershell.exe 3512 powershell.exe 3512 powershell.exe 2160 powershell.exe 2160 powershell.exe 5064 powershell.exe 5064 powershell.exe 3532 powershell.exe 3532 powershell.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 4308 csrss.exe 4308 csrss.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 4308 csrss.exe 4308 csrss.exe 1612 injector.exe 1612 injector.exe 4308 csrss.exe 4308 csrss.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe 1612 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2272 powershell.exe Token: SeDebugPrivilege 4904 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Token: SeImpersonatePrivilege 4904 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 5072 powershell.exe Token: SeDebugPrivilege 3512 powershell.exe Token: SeDebugPrivilege 2160 powershell.exe Token: SeDebugPrivilege 5064 powershell.exe Token: SeDebugPrivilege 3532 powershell.exe Token: SeSystemEnvironmentPrivilege 4308 csrss.exe Token: SeSecurityPrivilege 5072 sc.exe Token: SeSecurityPrivilege 5072 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4904 wrote to memory of 2272 4904 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 85 PID 4904 wrote to memory of 2272 4904 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 85 PID 4904 wrote to memory of 2272 4904 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 85 PID 1748 wrote to memory of 4536 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 91 PID 1748 wrote to memory of 4536 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 91 PID 1748 wrote to memory of 4536 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 91 PID 1748 wrote to memory of 2700 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 93 PID 1748 wrote to memory of 2700 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 93 PID 2700 wrote to memory of 1616 2700 cmd.exe 95 PID 2700 wrote to memory of 1616 2700 cmd.exe 95 PID 1748 wrote to memory of 5072 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 96 PID 1748 wrote to memory of 5072 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 96 PID 1748 wrote to memory of 5072 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 96 PID 1748 wrote to memory of 3512 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 98 PID 1748 wrote to memory of 3512 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 98 PID 1748 wrote to memory of 3512 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 98 PID 1748 wrote to memory of 4308 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 100 PID 1748 wrote to memory of 4308 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 100 PID 1748 wrote to memory of 4308 1748 2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe 100 PID 4308 wrote to memory of 2160 4308 csrss.exe 101 PID 4308 wrote to memory of 2160 4308 csrss.exe 101 PID 4308 wrote to memory of 2160 4308 csrss.exe 101 PID 4308 wrote to memory of 5064 4308 csrss.exe 107 PID 4308 wrote to memory of 5064 4308 csrss.exe 107 PID 4308 wrote to memory of 5064 4308 csrss.exe 107 PID 4308 wrote to memory of 3532 4308 csrss.exe 109 PID 4308 wrote to memory of 3532 4308 csrss.exe 109 PID 4308 wrote to memory of 3532 4308 csrss.exe 109 PID 4308 wrote to memory of 1612 4308 csrss.exe 113 PID 4308 wrote to memory of 1612 4308 csrss.exe 113 PID 1528 wrote to memory of 3972 1528 windefender.exe 119 PID 1528 wrote to memory of 3972 1528 windefender.exe 119 PID 1528 wrote to memory of 3972 1528 windefender.exe 119 PID 3972 wrote to memory of 5072 3972 cmd.exe 120 PID 3972 wrote to memory of 5072 3972 cmd.exe 120 PID 3972 wrote to memory of 5072 3972 cmd.exe 120 -
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\2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe"C:\Users\Admin\AppData\Local\Temp\2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2272
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C:\Users\Admin\AppData\Local\Temp\2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.exe"C:\Users\Admin\AppData\Local\Temp\2c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444.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:1748 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4536
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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:2700 -
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:1616
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5072
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3512
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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:4308 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2160
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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:4884
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1704
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5064
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3532
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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:1612
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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:4532
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1528 -
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:3972 -
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:5072
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2600
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56b01e17ae8667c3c7b9c001a221d0072
SHA151f1de01ab571c091c959fa5c52f8e732c94654a
SHA2564155dc77dafbed2b272ca7aeae9c7677ed0ece15902c3e842420fc3227ea9de5
SHA5125bad9c7f1b10d99c0b6f491b3b7ce20b3709e6c20a6229d72ee2a46d2164d74b9986ca6f0d653a98a133258e23bf57d47b2c09bc4c1aa72ad8023c33f4b31cfb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51ef44225dd820218f995080d3f1f1162
SHA178563f1c5f1bf1e73452e9a9e1dcfc4ccab2502b
SHA256b233d77b18f9233b39bb21647461c3c0723676ce1abee6822e1d4a1af5adc7e6
SHA512ec019894bce2597b8cf9e7e6406bfe9c7b43e0c84d5d6d72ef93c04be7388e510fbdf551234b11d678f73510136acc5ebe160af722f2f832fc8fbafaecf2c510
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7691eff91cbcf3bbb5531c0b9c9b166
SHA1d6a148c0121a31dabc57b638a97ee55b7a7354c5
SHA256183693beaa3c86b1d73b9c3d188be9264611a91aac9887ccd7fcfd49df766a8a
SHA5121403be735de9987018043054619593053031a95e91c41f76d76b7f363c9774cd45a12a175fca3cbc6a6a93cc5265eb23e2a55a24f4d380e788dbf5fa07d3bb7d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dea1fe63dc2808bd53cb3d76a2fe843f
SHA1c81beeaa55ce2fad7ebbaacaf99a4cb6dab01ef3
SHA25663ca9e719623d6d363a3078a305181b25abf520445758036ae7860cd481aa519
SHA512af04b75214cf07d5f2aff3f51284c92ee534d0eb23efc4b46a4df6bf4f57a66d2951d6080116247c698c47f228b916254d75e77065552a47fa732739eea87e19
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD550ada4d3aacbe97a38c24e730f212bcf
SHA120b11a564873b06430701b397473b3f725cf96b8
SHA25601b894d74ec649d0f97694ef7c1275347524f679b05d5ed7de82771f8f6849c3
SHA51204473159f8da64d7f33e8cd384093c22367734a2fd7676c76e5a91005a3137c33e46b09930a7400c239fca7943ff026404f2375fc1bf9deffcc6c3bf7ede61c0
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Filesize
4.2MB
MD5f82b4b019287eb16dd8cf7156c72a3f8
SHA121d55251bc6cd27b60ecc4660c8d1fc73515967d
SHA2562c25fc2ae56e07885c9917acc5219a86f8b35bbc4005df0efe7beba881445444
SHA5124840530f2a567a7d9093d3a5ecb290330096e1e5fcc6378685cfba211e1af0e22724748012f8c5d7cc07da5cb5762783223d2a8846be4aaaca17a58906ed1c5b
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec