Analysis
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max time kernel
149s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 16:24
Static task
static1
Behavioral task
behavioral1
Sample
5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe
Resource
win10v2004-20240426-en
General
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Target
5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe
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Size
4.1MB
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MD5
847a90d4d3396b33ba659c24e197ae99
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SHA1
30dff5778d9674f91f3fc615565f73a1c07cb546
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SHA256
5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3
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SHA512
0479bea89fd3ea877c68c14e5c2ab309a20babf993fd72c8f9c5ae6d8ff07a8af534ad186c1a4df775399dac328184c0b04c376de37ebe15f5db86a9f6f214bc
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SSDEEP
98304:BvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1R:BvHfb2IifudqhIuUHwAjW+v
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/1360-2-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral2/memory/1360-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1360-44-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1360-45-0x0000000004980000-0x000000000526B000-memory.dmp family_glupteba behavioral2/memory/1360-42-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1948-116-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/1948-121-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-200-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-209-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-211-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-213-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-217-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-219-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-221-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-223-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-225-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral2/memory/2452-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4348 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2452 csrss.exe 2544 injector.exe 1896 windefender.exe 4728 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa29-203.dat upx behavioral2/memory/1896-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1896-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4728-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4728-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 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.
Processes:
5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe -
Drops file in Windows directory 4 IoCs
Processes:
5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.execsrss.exedescription ioc Process File created C:\Windows\rss\csrss.exe 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.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 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3092 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3260 powershell.exe 1420 powershell.exe 2504 powershell.exe 1940 powershell.exe 3976 powershell.exe 5096 powershell.exe 3780 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 3604 3976 WerFault.exe 82 -
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 1712 schtasks.exe 2988 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exepowershell.exepowershell.exewindefender.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,-931 = "Coordinated Universal Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard 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 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,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 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,-842 = "Argentina 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,-982 = "Kamchatka Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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,-2182 = "Astrakhan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.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,-2941 = "Sao Tome Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.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,-141 = "Canada Central Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exepowershell.exe5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3976 powershell.exe 3976 powershell.exe 1360 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 1360 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 5096 powershell.exe 5096 powershell.exe 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 3780 powershell.exe 3780 powershell.exe 3260 powershell.exe 3260 powershell.exe 1420 powershell.exe 1420 powershell.exe 2504 powershell.exe 2504 powershell.exe 1940 powershell.exe 1940 powershell.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2452 csrss.exe 2452 csrss.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2452 csrss.exe 2452 csrss.exe 2544 injector.exe 2544 injector.exe 2452 csrss.exe 2452 csrss.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe 2544 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3976 powershell.exe Token: SeDebugPrivilege 1360 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Token: SeImpersonatePrivilege 1360 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Token: SeDebugPrivilege 5096 powershell.exe Token: SeDebugPrivilege 3780 powershell.exe Token: SeDebugPrivilege 3260 powershell.exe Token: SeDebugPrivilege 1420 powershell.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 1940 powershell.exe Token: SeSystemEnvironmentPrivilege 2452 csrss.exe Token: SeSecurityPrivilege 3092 sc.exe Token: SeSecurityPrivilege 3092 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1360 wrote to memory of 3976 1360 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 82 PID 1360 wrote to memory of 3976 1360 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 82 PID 1360 wrote to memory of 3976 1360 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 82 PID 1948 wrote to memory of 5096 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 90 PID 1948 wrote to memory of 5096 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 90 PID 1948 wrote to memory of 5096 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 90 PID 1948 wrote to memory of 4308 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 92 PID 1948 wrote to memory of 4308 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 92 PID 4308 wrote to memory of 4348 4308 cmd.exe 94 PID 4308 wrote to memory of 4348 4308 cmd.exe 94 PID 1948 wrote to memory of 3780 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 95 PID 1948 wrote to memory of 3780 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 95 PID 1948 wrote to memory of 3780 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 95 PID 1948 wrote to memory of 3260 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 97 PID 1948 wrote to memory of 3260 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 97 PID 1948 wrote to memory of 3260 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 97 PID 1948 wrote to memory of 2452 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 99 PID 1948 wrote to memory of 2452 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 99 PID 1948 wrote to memory of 2452 1948 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 99 PID 2452 wrote to memory of 1420 2452 csrss.exe 100 PID 2452 wrote to memory of 1420 2452 csrss.exe 100 PID 2452 wrote to memory of 1420 2452 csrss.exe 100 PID 2452 wrote to memory of 2504 2452 csrss.exe 105 PID 2452 wrote to memory of 2504 2452 csrss.exe 105 PID 2452 wrote to memory of 2504 2452 csrss.exe 105 PID 2452 wrote to memory of 1940 2452 csrss.exe 108 PID 2452 wrote to memory of 1940 2452 csrss.exe 108 PID 2452 wrote to memory of 1940 2452 csrss.exe 108 PID 2452 wrote to memory of 2544 2452 csrss.exe 110 PID 2452 wrote to memory of 2544 2452 csrss.exe 110 PID 1896 wrote to memory of 720 1896 windefender.exe 116 PID 1896 wrote to memory of 720 1896 windefender.exe 116 PID 1896 wrote to memory of 720 1896 windefender.exe 116 PID 720 wrote to memory of 3092 720 cmd.exe 117 PID 720 wrote to memory of 3092 720 cmd.exe 117 PID 720 wrote to memory of 3092 720 cmd.exe 117 -
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\5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe"C:\Users\Admin\AppData\Local\Temp\5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3976 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 21443⤵
- Program crash
PID:3604
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C:\Users\Admin\AppData\Local\Temp\5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe"C:\Users\Admin\AppData\Local\Temp\5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.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:1948 -
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:5096
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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:4308 -
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:4348
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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:3780
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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:3260
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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:2452 -
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:1420
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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:1712
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4632
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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:2504
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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:1940
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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:2544
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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:2988
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1896 -
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:720 -
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:3092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3976 -ip 39761⤵PID:2340
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4728
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5427e63b314fd53f1d77a91d365d64008
SHA14f60f6aa756b29578366c804353a1c2d60f3df39
SHA25661a9415b1c211544056c9b5e09063bb29d45c172f58bba1e49d8cbce6a0b1f15
SHA5127451804c7d26e916f2b9c4606755a983f65db323e3c5ce420cea4f713878dd294c344cf68a85967b2abb76d7f0421eb5adbb1f260aeb276346b97308a460ca67
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5615be909aeee1e2fc588798ee834ee49
SHA17bf2ae9a99c96a5621f11ab25b5827158eeab45a
SHA2562cb5dc8010a79375cd24ac479965fd2b7fee76fa5bd16ac564d02e19ff4c017b
SHA512ec6b141a628ed652960d6c656ca2f3862bfddaca0d7aeb2e4d1c04a510c2a66c9de8951c7d4ffe58a2d389c315b980456ed1c38d1f51ec0f52c8ce80bceabe48
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d6f28f5668d6f0b0bd2e6a927d556c94
SHA1741d4c05629f1ad2d07cb866e8b8e2e63abb8bda
SHA256efd6710d136d7e2b3c0dff90f277ee43479a7ce5d79dafb5d839d1c593213531
SHA5120c7acc9981d0f613ff935817abcf98f7469f8f3c25831fadc0cf0aae06a29bf9f2c3e132b4093d23db9d17eeded2838598e95899fdf5a894fe2e0137e654843f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5115d6e36a2c34a874a8dc09f7365ec0e
SHA1b3c580747d8d82b553ecbc7e3bf6f1cfbb5c0284
SHA25607b9c1e17fab96bff00b4d554f2028d47ee99ef799dfa234403d04e4e957d523
SHA512a506ef27b218748f84e632b334aea9270fbe0b94b45e821801ae19d65488279741493249911b65faa0ee225fa2a90e9bfe4567779c184d4f58ed3a84dd2c5e39
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c7eac982e4656714e2f461c6c4475aab
SHA173bd37b0c1b53141d33d222bb3937d1d99364448
SHA2564548dfb8c3d9d0664bc40c73b5ac1b52dd51d69078c1faaa664d0f187360ad64
SHA512a11640aead92846b60f7ed251d957fe863f6262c0f76e978efc53db78eb13238cbef55837d9695a8efdc4ea0afdef032fdebcc4dab327ba3c79df314b60a5f82
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Filesize
4.1MB
MD5847a90d4d3396b33ba659c24e197ae99
SHA130dff5778d9674f91f3fc615565f73a1c07cb546
SHA2565c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3
SHA5120479bea89fd3ea877c68c14e5c2ab309a20babf993fd72c8f9c5ae6d8ff07a8af534ad186c1a4df775399dac328184c0b04c376de37ebe15f5db86a9f6f214bc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec