Analysis
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max time kernel
150s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 20:39
Static task
static1
Behavioral task
behavioral1
Sample
cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe
Resource
win10v2004-20240508-en
General
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Target
cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe
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Size
4.1MB
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MD5
7134d87707fc1a4bed3c00c2cee20733
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SHA1
925c0989edb35d7674a016f8286b368c316bfc13
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SHA256
cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a
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SHA512
cdaa52bc160c4ae80b8069cfc91cd80bc7dcd3a2ddb003d235b98665f42d485bb9c2f29822dba600f0939cfacbd44a68f4414a00f8c840c3e35586a84d09acbc
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SSDEEP
98304:D7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvN8:DzgmDywQg+foZ8mw6SC
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4636-2-0x0000000004960000-0x000000000524B000-memory.dmp family_glupteba behavioral1/memory/4636-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4636-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4636-57-0x0000000004960000-0x000000000524B000-memory.dmp family_glupteba behavioral1/memory/4636-54-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5092-133-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-213-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-222-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-243-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4004-247-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4448 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4004 csrss.exe 2292 injector.exe 1548 windefender.exe 964 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000023423-221.dat upx behavioral1/memory/1548-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1548-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/964-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/964-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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:
cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.execf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe File created C:\Windows\rss\csrss.exe cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe File created 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 2780 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4756 powershell.exe 4316 powershell.exe 1760 powershell.exe 3984 powershell.exe 3952 powershell.exe 4588 powershell.exe 3328 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 3224 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.execf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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 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\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.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" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-541 = "Myanmar 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 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\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.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,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.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,-222 = "Alaskan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.execf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exepowershell.execf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3328 powershell.exe 3328 powershell.exe 4636 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 4636 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 4756 powershell.exe 4756 powershell.exe 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 4316 powershell.exe 4316 powershell.exe 1760 powershell.exe 1760 powershell.exe 3984 powershell.exe 3984 powershell.exe 3952 powershell.exe 3952 powershell.exe 4588 powershell.exe 4588 powershell.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 4004 csrss.exe 4004 csrss.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 4004 csrss.exe 4004 csrss.exe 2292 injector.exe 2292 injector.exe 4004 csrss.exe 4004 csrss.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe 2292 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.execf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3328 powershell.exe Token: SeDebugPrivilege 4636 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Token: SeImpersonatePrivilege 4636 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe Token: SeDebugPrivilege 4756 powershell.exe Token: SeDebugPrivilege 4316 powershell.exe Token: SeDebugPrivilege 1760 powershell.exe Token: SeDebugPrivilege 3984 powershell.exe Token: SeDebugPrivilege 3952 powershell.exe Token: SeDebugPrivilege 4588 powershell.exe Token: SeSystemEnvironmentPrivilege 4004 csrss.exe Token: SeSecurityPrivilege 2780 sc.exe Token: SeSecurityPrivilege 2780 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.execf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4636 wrote to memory of 3328 4636 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 84 PID 4636 wrote to memory of 3328 4636 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 84 PID 4636 wrote to memory of 3328 4636 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 84 PID 5092 wrote to memory of 4756 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 95 PID 5092 wrote to memory of 4756 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 95 PID 5092 wrote to memory of 4756 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 95 PID 5092 wrote to memory of 4988 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 99 PID 5092 wrote to memory of 4988 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 99 PID 4988 wrote to memory of 4448 4988 cmd.exe 101 PID 4988 wrote to memory of 4448 4988 cmd.exe 101 PID 5092 wrote to memory of 4316 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 103 PID 5092 wrote to memory of 4316 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 103 PID 5092 wrote to memory of 4316 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 103 PID 5092 wrote to memory of 1760 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 105 PID 5092 wrote to memory of 1760 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 105 PID 5092 wrote to memory of 1760 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 105 PID 5092 wrote to memory of 4004 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 107 PID 5092 wrote to memory of 4004 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 107 PID 5092 wrote to memory of 4004 5092 cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe 107 PID 4004 wrote to memory of 3984 4004 csrss.exe 108 PID 4004 wrote to memory of 3984 4004 csrss.exe 108 PID 4004 wrote to memory of 3984 4004 csrss.exe 108 PID 4004 wrote to memory of 3952 4004 csrss.exe 114 PID 4004 wrote to memory of 3952 4004 csrss.exe 114 PID 4004 wrote to memory of 3952 4004 csrss.exe 114 PID 4004 wrote to memory of 4588 4004 csrss.exe 116 PID 4004 wrote to memory of 4588 4004 csrss.exe 116 PID 4004 wrote to memory of 4588 4004 csrss.exe 116 PID 4004 wrote to memory of 2292 4004 csrss.exe 118 PID 4004 wrote to memory of 2292 4004 csrss.exe 118 PID 1548 wrote to memory of 3084 1548 windefender.exe 126 PID 1548 wrote to memory of 3084 1548 windefender.exe 126 PID 1548 wrote to memory of 3084 1548 windefender.exe 126 PID 3084 wrote to memory of 2780 3084 cmd.exe 127 PID 3084 wrote to memory of 2780 3084 cmd.exe 127 PID 3084 wrote to memory of 2780 3084 cmd.exe 127 -
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\cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe"C:\Users\Admin\AppData\Local\Temp\cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4636 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3328
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C:\Users\Admin\AppData\Local\Temp\cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.exe"C:\Users\Admin\AppData\Local\Temp\cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a.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:5092 -
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:4756
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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:4988 -
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:4448
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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:4316
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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:1760
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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:4004 -
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:3984
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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:3224
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3400
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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:3952
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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:4588
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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:2292
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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\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1548 -
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:3084 -
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:2780
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:964
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b82666375c268946ef272963844cc75
SHA13d8562f5754bfdc785b67da6a92b1d35c9201365
SHA256ba4c05900af41250da30bb26b479c8f0d1d48cc70155e7d118d48a833bb032c9
SHA512c053e2a40a3b69818a6915e0f5e064d6973ca3b1f2a333c64c9d1c2531fc6031e1345a27c94777afb471fa4e224f44c910760e5edd85d56c41697ad2baa34067
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53c09a1a65b09172a95e3b4af934830e4
SHA1c2c8bbbb1fe4fee3705b783eb604082957d37f9b
SHA2566b8ad793588576f37e1c58e0362c4ffe84dd116072c61c511b5ffa2193fcf826
SHA512db9862c90012bec1505b7650722a1b4a7e0ee10028cfeb9d6f9ff4786a68d7e527fd3f304c51f435fb78ffd73dc0cc5e4098c1944bc0c2891e27a3fa158b1a59
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57706be5fd88139b2e467bbac5e7ed507
SHA1817d0c1d1c4de959abd13527aaf391a7c30e06fa
SHA256c6325651562f3990255e21fdb767713b96f8741ad823587b079774a46cd22309
SHA512f5e70d01187d8af042a25b8dd3e4e144294a67615dfc1dac291aabf47758a4511d6762559d822265a06aec63af6228930857f318c1f69118e7fcb4902ed7e598
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e315ecf69434621a361301ff94a8adc5
SHA1a4757e22df567efaf05ca1956ee9f3f1d8f544be
SHA256adb3d5432bf96f25c317f2baaa83c3c168fcabb7526ad8faf7d8d1c886b50584
SHA5128270ed56490eca96a3a24fba6cb2894a91d62a685ab69a85dbe350c416f3214e500191d25d6f6f92cef7081928d5ea85699671f72dd6339eca958adf1c2d0fc8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c8b853a9ebed4490019669e5144731e6
SHA1422023a4079325080063128e2010d0b6b877aefb
SHA2567662369ade5a05ef99df2d8ad5bacc82e35e4255ef9faf7ca8bd11fb4d41fc45
SHA5123f41cb60d328c59a079910f8259b3c5bad5b671752848232542ffd401dd575326a13e31ee1362bfa0446a4ea255ba96fb2500b27f2940a3fa5481de663c90894
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Filesize
4.1MB
MD57134d87707fc1a4bed3c00c2cee20733
SHA1925c0989edb35d7674a016f8286b368c316bfc13
SHA256cf6b31c1fd7ea0cf6a2cdffede2cd71c0ee0cf9e0dedfc9b7f48ce7260774a0a
SHA512cdaa52bc160c4ae80b8069cfc91cd80bc7dcd3a2ddb003d235b98665f42d485bb9c2f29822dba600f0939cfacbd44a68f4414a00f8c840c3e35586a84d09acbc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec