Analysis
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max time kernel
150s -
max time network
134s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 13:09
Static task
static1
Behavioral task
behavioral1
Sample
0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe
Resource
win10v2004-20240226-en
General
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Target
0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe
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Size
4.1MB
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MD5
85fbdc3c3529749cec44ddd42c743bd2
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SHA1
0acd64fcf398b071f3ae6cfb26d5c7a54673b0a0
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SHA256
0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476
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SHA512
90b173ba0d48183f0273a35b9124ad6d19c737b5ff3c70e0a2415b34fcfb3fbabfc2d7e2967940fdbb63b7123faa3e6ae3723e3d692aaafc6e1e74648cb0de7a
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SSDEEP
98304:HhzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEvh:Bz9CiccJ0CpfGcGG1DfLv
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3376-2-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral2/memory/3376-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3376-43-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3376-54-0x0000000004D30000-0x000000000561B000-memory.dmp family_glupteba behavioral2/memory/2876-72-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3376-117-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2876-134-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3120-198-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3120-206-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3120-213-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3120-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3120-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3120-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3120-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3120-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3120-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3120-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3120-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3120-249-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4480 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3120 csrss.exe 1504 injector.exe 2260 windefender.exe 3044 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9ec-204.dat upx behavioral2/memory/2260-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3044-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2260-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3044-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3044-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Set value (str) \REGISTRY\USER\S-1-5-21-1230210488-3096403634-4129516247-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe File created C:\Windows\rss\csrss.exe 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4644 sc.exe -
pid Process 3472 powershell.exe 4640 powershell.exe 1844 powershell.exe 4536 powershell.exe 3196 powershell.exe 3468 powershell.exe 1900 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4324 1900 WerFault.exe 79 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3224 schtasks.exe 4844 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.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\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.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\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.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,-2432 = "Cuba Standard Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.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,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1900 powershell.exe 1900 powershell.exe 3376 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 3376 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 3472 powershell.exe 3472 powershell.exe 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 4640 powershell.exe 4640 powershell.exe 1844 powershell.exe 1844 powershell.exe 4536 powershell.exe 4536 powershell.exe 3196 powershell.exe 3196 powershell.exe 3468 powershell.exe 3468 powershell.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 3120 csrss.exe 3120 csrss.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 3120 csrss.exe 3120 csrss.exe 1504 injector.exe 1504 injector.exe 3120 csrss.exe 3120 csrss.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe 1504 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1900 powershell.exe Token: SeDebugPrivilege 3376 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Token: SeImpersonatePrivilege 3376 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe Token: SeDebugPrivilege 3472 powershell.exe Token: SeDebugPrivilege 4640 powershell.exe Token: SeDebugPrivilege 1844 powershell.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 3196 powershell.exe Token: SeDebugPrivilege 3468 powershell.exe Token: SeSystemEnvironmentPrivilege 3120 csrss.exe Token: SeSecurityPrivilege 4644 sc.exe Token: SeSecurityPrivilege 4644 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3376 wrote to memory of 1900 3376 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 79 PID 3376 wrote to memory of 1900 3376 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 79 PID 3376 wrote to memory of 1900 3376 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 79 PID 2876 wrote to memory of 3472 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 87 PID 2876 wrote to memory of 3472 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 87 PID 2876 wrote to memory of 3472 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 87 PID 2876 wrote to memory of 2976 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 89 PID 2876 wrote to memory of 2976 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 89 PID 2976 wrote to memory of 4480 2976 cmd.exe 91 PID 2976 wrote to memory of 4480 2976 cmd.exe 91 PID 2876 wrote to memory of 4640 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 92 PID 2876 wrote to memory of 4640 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 92 PID 2876 wrote to memory of 4640 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 92 PID 2876 wrote to memory of 1844 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 94 PID 2876 wrote to memory of 1844 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 94 PID 2876 wrote to memory of 1844 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 94 PID 2876 wrote to memory of 3120 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 96 PID 2876 wrote to memory of 3120 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 96 PID 2876 wrote to memory of 3120 2876 0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe 96 PID 3120 wrote to memory of 4536 3120 csrss.exe 97 PID 3120 wrote to memory of 4536 3120 csrss.exe 97 PID 3120 wrote to memory of 4536 3120 csrss.exe 97 PID 3120 wrote to memory of 3196 3120 csrss.exe 103 PID 3120 wrote to memory of 3196 3120 csrss.exe 103 PID 3120 wrote to memory of 3196 3120 csrss.exe 103 PID 3120 wrote to memory of 3468 3120 csrss.exe 105 PID 3120 wrote to memory of 3468 3120 csrss.exe 105 PID 3120 wrote to memory of 3468 3120 csrss.exe 105 PID 3120 wrote to memory of 1504 3120 csrss.exe 107 PID 3120 wrote to memory of 1504 3120 csrss.exe 107 PID 2260 wrote to memory of 5056 2260 windefender.exe 113 PID 2260 wrote to memory of 5056 2260 windefender.exe 113 PID 2260 wrote to memory of 5056 2260 windefender.exe 113 PID 5056 wrote to memory of 4644 5056 cmd.exe 114 PID 5056 wrote to memory of 4644 5056 cmd.exe 114 PID 5056 wrote to memory of 4644 5056 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe"C:\Users\Admin\AppData\Local\Temp\0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3376 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1900 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 24683⤵
- Program crash
PID:4324
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C:\Users\Admin\AppData\Local\Temp\0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.exe"C:\Users\Admin\AppData\Local\Temp\0a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476.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:2876 -
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:3472
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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:2976 -
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:4480
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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:4640
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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:1844
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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:3120 -
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:4536
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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:4320
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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:3196
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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:3468
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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:1504
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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:4844
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2260 -
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:5056 -
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:4644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1900 -ip 19001⤵PID:4708
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3044
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
MD5c799ad50975d3ee31b3344425b96a1d5
SHA17106dedd50bf761431f02491688f05a1f7c0dd14
SHA2567e1f0d1688f98a35ce9e726165459d277b1283d1db6eb4701ce441e22f546192
SHA5125207d4ac83e5fbea58185386869f8d51df368056d54deff554ae8ba4e9d026a4b6b139de70f16f8bcdf0324afa5fc621a79698a01c7a0727cec336e1bbdb6e8d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5331bbb6c9a1388f8fa81149431e65026
SHA16b427e60681520bb8721a5e973597e2d0f05c6df
SHA2566f4d8f3deac06534d74d2a28340c3724e928473b7cdd9e0597c3926c8fa423a8
SHA512532faef9893ac558c44809ce0775922c855bee1695ad5876b01a19a558414538943162c25fdf5621af05d21ec21b8a15653533072e389bfe7e9d19f1fde38811
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc92e94ec6c981a0803ea34b0d19aa36
SHA13b4322e489b806282d44416097f867d7534530e7
SHA256610b74fd8da3c8c3e7d937c652c32cd60a18bdf84c85ccaf8322a0d9a269eeeb
SHA512cb5d917c533df1fba8c0cc8384b927fcae6ac221295f0fe48fe35b3b525b1efe083b04f820bdd654cbb9de2573cf9e4a6f19b0b0cf436155dbe540fcde18d016
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD562eaea90284b5679d8a5707a671cac14
SHA1c462f78d3f0fbecbf1b06c5da36c7ae11a1ccbbe
SHA256d93c8b8c2bdd6552194d200b7a07feacf7928253057d1e8d7683cbeb7578d07e
SHA512d3690eac610a62fb5f454555961992e2596e2ced3639bd253d6a995967282478caba92ceea2070f26c9e785b54b4e55c381f5125c26dbb452ea1110f8f9bcbbf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e489e21b0adbb9ac177baf7b66313746
SHA1f77137a1b4385d2d551e4241ff8cba79f3013f32
SHA256ce3840ab30166e15af31aa18777122e6b945d2178d487e085630cfe32baf93d6
SHA51245289112ee60bd62c433072d4706bda3c9e39073bd2f041acbf857601206aed66e98704605ecabb0ac238124c809bdd2128493132605fb7ac97231cea673e1eb
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Filesize
4.1MB
MD585fbdc3c3529749cec44ddd42c743bd2
SHA10acd64fcf398b071f3ae6cfb26d5c7a54673b0a0
SHA2560a92778c3318568319b7410833ca0bbb8d3c887a11deddec124f9fb1d19e2476
SHA51290b173ba0d48183f0273a35b9124ad6d19c737b5ff3c70e0a2415b34fcfb3fbabfc2d7e2967940fdbb63b7123faa3e6ae3723e3d692aaafc6e1e74648cb0de7a
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec