Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 18:09
Static task
static1
Behavioral task
behavioral1
Sample
0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe
Resource
win10v2004-20240508-en
General
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Target
0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe
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Size
4.1MB
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MD5
b3461f483961ad4f068cdf5f5158212f
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SHA1
3068310452cb36a61915636d993dc850ffcd1cf4
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SHA256
0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47
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SHA512
7ea14b89dcc09a82a88ada8e83bcc8870931c54b770ff7adb410533b5a748dc26f1836182e7c275902d4f2ca88ff7eb250270bf5296849fa9fb88025c576bec6
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SSDEEP
98304:IoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gR:IC1IraEjIw04m/Xfo4a5yka2Q+gR
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/1912-2-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral2/memory/1912-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1912-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1912-54-0x0000000004CA0000-0x000000000558B000-memory.dmp family_glupteba behavioral2/memory/1912-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1912-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/640-79-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/640-127-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1036-203-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1036-214-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1036-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1036-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1036-222-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1036-226-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1036-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1036-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1036-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1036-238-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1276 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1036 csrss.exe 4724 injector.exe 988 windefender.exe 5060 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9fa-207.dat upx behavioral2/memory/988-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5060-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/988-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5060-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5060-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\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 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 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 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.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 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe File created C:\Windows\rss\csrss.exe 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3248 sc.exe -
pid Process 2312 powershell.exe 2880 powershell.exe 2700 powershell.exe 1956 powershell.exe 3168 powershell.exe 1708 powershell.exe 4480 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4124 schtasks.exe 5048 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.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\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba 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 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\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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,-162 = "Central Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2312 powershell.exe 2312 powershell.exe 1912 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 1912 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 2880 powershell.exe 2880 powershell.exe 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 2700 powershell.exe 2700 powershell.exe 1956 powershell.exe 1956 powershell.exe 3168 powershell.exe 3168 powershell.exe 1708 powershell.exe 1708 powershell.exe 4480 powershell.exe 4480 powershell.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 1036 csrss.exe 1036 csrss.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 1036 csrss.exe 1036 csrss.exe 4724 injector.exe 4724 injector.exe 1036 csrss.exe 1036 csrss.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe 4724 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2312 powershell.exe Token: SeDebugPrivilege 1912 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Token: SeImpersonatePrivilege 1912 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 2700 powershell.exe Token: SeDebugPrivilege 1956 powershell.exe Token: SeDebugPrivilege 3168 powershell.exe Token: SeDebugPrivilege 1708 powershell.exe Token: SeDebugPrivilege 4480 powershell.exe Token: SeSystemEnvironmentPrivilege 1036 csrss.exe Token: SeSecurityPrivilege 3248 sc.exe Token: SeSecurityPrivilege 3248 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1912 wrote to memory of 2312 1912 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 78 PID 1912 wrote to memory of 2312 1912 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 78 PID 1912 wrote to memory of 2312 1912 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 78 PID 640 wrote to memory of 2880 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 83 PID 640 wrote to memory of 2880 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 83 PID 640 wrote to memory of 2880 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 83 PID 640 wrote to memory of 5100 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 85 PID 640 wrote to memory of 5100 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 85 PID 5100 wrote to memory of 1276 5100 cmd.exe 87 PID 5100 wrote to memory of 1276 5100 cmd.exe 87 PID 640 wrote to memory of 2700 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 88 PID 640 wrote to memory of 2700 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 88 PID 640 wrote to memory of 2700 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 88 PID 640 wrote to memory of 1956 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 90 PID 640 wrote to memory of 1956 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 90 PID 640 wrote to memory of 1956 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 90 PID 640 wrote to memory of 1036 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 92 PID 640 wrote to memory of 1036 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 92 PID 640 wrote to memory of 1036 640 0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe 92 PID 1036 wrote to memory of 3168 1036 csrss.exe 93 PID 1036 wrote to memory of 3168 1036 csrss.exe 93 PID 1036 wrote to memory of 3168 1036 csrss.exe 93 PID 1036 wrote to memory of 1708 1036 csrss.exe 99 PID 1036 wrote to memory of 1708 1036 csrss.exe 99 PID 1036 wrote to memory of 1708 1036 csrss.exe 99 PID 1036 wrote to memory of 4480 1036 csrss.exe 101 PID 1036 wrote to memory of 4480 1036 csrss.exe 101 PID 1036 wrote to memory of 4480 1036 csrss.exe 101 PID 1036 wrote to memory of 4724 1036 csrss.exe 103 PID 1036 wrote to memory of 4724 1036 csrss.exe 103 PID 988 wrote to memory of 1292 988 windefender.exe 109 PID 988 wrote to memory of 1292 988 windefender.exe 109 PID 988 wrote to memory of 1292 988 windefender.exe 109 PID 1292 wrote to memory of 3248 1292 cmd.exe 110 PID 1292 wrote to memory of 3248 1292 cmd.exe 110 PID 1292 wrote to memory of 3248 1292 cmd.exe 110 -
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\0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe"C:\Users\Admin\AppData\Local\Temp\0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2312
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C:\Users\Admin\AppData\Local\Temp\0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.exe"C:\Users\Admin\AppData\Local\Temp\0cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47.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:640 -
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:2880
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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:5100 -
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:1276
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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:2700
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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:1956
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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:1036 -
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:3168
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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:5048
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1952
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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:1708
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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:4480
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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:4724
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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:4124
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:988 -
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:1292 -
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:3248
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5060
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD572ad4d12501afa6999375d546f799fd6
SHA180899dfd52e015d96916bc623ff9c6d4cdf3c47c
SHA2564b0d60cc2f17b401c0315a8af8333486ae9730e09e9dee810af7b5fb38b02726
SHA5126b79a1d09c116a0e7492b535dc63e643f130e99c17a66032f6a1e3eddb63d8b9f1750ae314fff50401155847123322071ba9aaa0e525da6cc013f85bce0b7df8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac49dc5686b46db0a91d8c702b112372
SHA1c71eeef2ad4b59cefe490fd916b528f1bf8d7ead
SHA2565394ee8153c3a29f4031e50023e86241e0b2ebecfad406687dc3d438414bf60b
SHA51281f0c346d7f6ee1d24735ee3f47c3a060b28e8f04b0262ff126deb031ab2898f06a853cbe244cccc213392e20435de2a4621e708a6c8fec53b9ebe4a290e14c6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55b52fd198d6642557b2ee0ab9fd9e76e
SHA1cf255f2dad95ac8292725d461492004b004e7ca0
SHA2563ef575884b79c7601f8e69f80bfaa99efe0697e03dcb4ff72edaf63519d22055
SHA512a774f8aa9a17f7c2b14e47234e13f783bc6e3c6cc1ec16a2c3057d200e5b5ba0564f9a8c2c84891473eb9f7136d9859561aab994ee8d5ae5f761bbd34bbe6176
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54f068cdbddd36f2717124060c2edf255
SHA13bf0aaff5258cfd31344e9fbb0108b7af6a76caf
SHA256e020a8a0735366592d805dad420221b907ef84c96e59b70bf43afbe82f403f3a
SHA512287c1b9e8bad198fff085954bcdd224099732f5a5ef9efdd16eb79ac7494a2c6c45a4e2a2b207c9fa06b7fb5847f6a8f0d2d571fd6e9f5bb4f137927c39f7416
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD565636ad8478e0fc4322083c26f7fc48d
SHA1b9b89ed57489097e60ebee7f288da23b3eda9a20
SHA256e17fc50fac6adae6972ff5ff25b9bd5c9b5ca7472948b3cdd2c731d1e7dd2a6c
SHA512e8ea3862c7d7bf67d2effcccf82cc35ec23ab6590acd662f3ebf1b600d5f5155d45193098bd87c146019dea869d9a8af8594e217ffe23395b471875104b8daaf
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Filesize
4.1MB
MD5b3461f483961ad4f068cdf5f5158212f
SHA13068310452cb36a61915636d993dc850ffcd1cf4
SHA2560cf4eb0dafb7c2d60971a3d2f2444b719ac3531882385d20d7456fb91e0d4d47
SHA5127ea14b89dcc09a82a88ada8e83bcc8870931c54b770ff7adb410533b5a748dc26f1836182e7c275902d4f2ca88ff7eb250270bf5296849fa9fb88025c576bec6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec