Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4840-2-0x00000000048B0000-0x000000000519B000-memory.dmp family_glupteba behavioral1/memory/4840-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4840-92-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4840-132-0x00000000048B0000-0x000000000519B000-memory.dmp family_glupteba behavioral1/memory/5052-134-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4840-207-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2288-214-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2288-224-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2288-227-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2288-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2288-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2288-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2288-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2288-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2288-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2288-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2288-251-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2288-254-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2288-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4980 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2288 csrss.exe 2560 injector.exe 3336 windefender.exe 4716 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00080000000233fa-217.dat upx behavioral1/memory/3336-218-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4716-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3336-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4716-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4716-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
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 opened for modification C:\Windows\rss 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 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 -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 3696 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4372 powershell.exe 3804 powershell.exe 3988 powershell.exe 3980 powershell.exe 3132 powershell.exe 4204 powershell.exe 1784 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 4052 schtasks.exe 1136 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,-2062 = "North Korea Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.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,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.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,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.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,-181 = "Mountain Daylight Time (Mexico)" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.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\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exepowershell.exe5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3988 powershell.exe 3988 powershell.exe 4840 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 4840 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 3980 powershell.exe 3980 powershell.exe 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 3132 powershell.exe 3132 powershell.exe 3132 powershell.exe 4204 powershell.exe 4204 powershell.exe 4204 powershell.exe 1784 powershell.exe 1784 powershell.exe 4372 powershell.exe 4372 powershell.exe 3804 powershell.exe 3804 powershell.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2288 csrss.exe 2288 csrss.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2288 csrss.exe 2288 csrss.exe 2560 injector.exe 2560 injector.exe 2288 csrss.exe 2288 csrss.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe 2560 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 4840 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Token: SeImpersonatePrivilege 4840 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe Token: SeDebugPrivilege 3980 powershell.exe Token: SeDebugPrivilege 3132 powershell.exe Token: SeDebugPrivilege 4204 powershell.exe Token: SeDebugPrivilege 1784 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 3804 powershell.exe Token: SeSystemEnvironmentPrivilege 2288 csrss.exe Token: SeSecurityPrivilege 3696 sc.exe Token: SeSecurityPrivilege 3696 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4840 wrote to memory of 3988 4840 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 83 PID 4840 wrote to memory of 3988 4840 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 83 PID 4840 wrote to memory of 3988 4840 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 83 PID 5052 wrote to memory of 3980 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 94 PID 5052 wrote to memory of 3980 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 94 PID 5052 wrote to memory of 3980 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 94 PID 5052 wrote to memory of 2268 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 117 PID 5052 wrote to memory of 2268 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 117 PID 2268 wrote to memory of 4980 2268 cmd.exe 101 PID 2268 wrote to memory of 4980 2268 cmd.exe 101 PID 5052 wrote to memory of 3132 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 103 PID 5052 wrote to memory of 3132 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 103 PID 5052 wrote to memory of 3132 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 103 PID 5052 wrote to memory of 4204 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 107 PID 5052 wrote to memory of 4204 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 107 PID 5052 wrote to memory of 4204 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 107 PID 5052 wrote to memory of 2288 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 109 PID 5052 wrote to memory of 2288 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 109 PID 5052 wrote to memory of 2288 5052 5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe 109 PID 2288 wrote to memory of 1784 2288 csrss.exe 110 PID 2288 wrote to memory of 1784 2288 csrss.exe 110 PID 2288 wrote to memory of 1784 2288 csrss.exe 110 PID 2288 wrote to memory of 4372 2288 csrss.exe 115 PID 2288 wrote to memory of 4372 2288 csrss.exe 115 PID 2288 wrote to memory of 4372 2288 csrss.exe 115 PID 2288 wrote to memory of 3804 2288 csrss.exe 118 PID 2288 wrote to memory of 3804 2288 csrss.exe 118 PID 2288 wrote to memory of 3804 2288 csrss.exe 118 PID 2288 wrote to memory of 2560 2288 csrss.exe 120 PID 2288 wrote to memory of 2560 2288 csrss.exe 120 PID 3336 wrote to memory of 3892 3336 windefender.exe 126 PID 3336 wrote to memory of 3892 3336 windefender.exe 126 PID 3336 wrote to memory of 3892 3336 windefender.exe 126 PID 3892 wrote to memory of 3696 3892 cmd.exe 127 PID 3892 wrote to memory of 3696 3892 cmd.exe 127 PID 3892 wrote to memory of 3696 3892 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\5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe"C:\Users\Admin\AppData\Local\Temp\5c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4840 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3988
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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:5052 -
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:3980
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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:2268 -
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:4980
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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:3132
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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:4204
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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:2288 -
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:1784
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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:4052
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:408
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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:4372 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:2268
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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:3804
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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:2560
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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:1136
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3336 -
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:3892 -
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:3696
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4716
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
MD5cf4b9cbc5d0440828bfba7dd81679724
SHA1e2333d9ffebca46695a3ddd9a5608323898261ae
SHA2568801a5f5e86b9bc6a2e038df2dc8dd51d9ce480bc37378a3ac688da0d7feb67a
SHA5129eba9c42d229ec9a46114251d04c44c8f96e709136709a1781ac3b00da7928aba537c3221cbd65d987aa5d9c03ae7ec4dc9256d8a845701633a54aa29c899471
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53a1e1549d732bc50504d89435b10d696
SHA1d0536870a0141e4a14b2fa8044acd20357de69d7
SHA2564f6e2596a59edce5e66de754b89a0d2443e233be01123a549b430cd58bd4e357
SHA512142209768fd584f62197b779d93845fb7febc3115da1daa529e54f6c6cb0141304b09620659ac83a33bfe196f6cd925b97a3a71aec6b102a586a3b0c67897cd0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ededfa536dbd009460bcb292259122b
SHA1c6e80cd306bbc51b0d5ea0aa4dc06fd1baf3571c
SHA2566b9512522b0888a2ea30912b970ed0c0f1f156e73d87de277e5db27edb9b249f
SHA512c101deff9fb2e53ac28bb676f82a5a87f26dcda9998c11948f53360c14d1969b6b385376c284784d338a7f92c793e21f9aea22aa9ec3f4f582927f4e6d409059
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5020c10220c3eee544e9eff5f731dcf36
SHA1b50166c5350ecacee6e745f383a0220c49285f15
SHA256d5e66951f8116f8960636094a0d1f7142a010d5727fb09b1413bd799434e92f1
SHA512a56c4b54dce63947d4d5dfede6210caf8fce171482dac499b08b51d6f41c6a43cea12dab5951a6c47a0f96fa0311977e02f06d2aa1e7bc350a803c93f69a10b2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a9ffa01bbbcc89906d3288399192aa8c
SHA1bf636270b79652756e66527401e74e99e9b943dd
SHA256f9e981f3da9b373e4c0d24b3e386dcd43ce6d4c0e5c307f586ab218e1a3a22c8
SHA512ced3b9f7fc8d35598dadccf8d1accf2ebca2e0de0af2b808116e550338ba2f669336677fd68c7c14854ab92feb1243a0a759fa2552f5cd65c339415b03e4bff1
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Filesize
4.1MB
MD5847a90d4d3396b33ba659c24e197ae99
SHA130dff5778d9674f91f3fc615565f73a1c07cb546
SHA2565c75472b58f729116ddbc8346f4a47763b2a65651cf7c273f6b72be76150d5e3
SHA5120479bea89fd3ea877c68c14e5c2ab309a20babf993fd72c8f9c5ae6d8ff07a8af534ad186c1a4df775399dac328184c0b04c376de37ebe15f5db86a9f6f214bc
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec