Analysis
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max time kernel
150s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 16:54
Static task
static1
Behavioral task
behavioral1
Sample
959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe
Resource
win10v2004-20240508-en
General
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Target
959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe
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Size
4.1MB
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MD5
5697ae3edaa60fe9831e4d7fcf3b6c7d
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SHA1
abbf6ffb25b29785833153beb54111ce79af70a4
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SHA256
959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b
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SHA512
cca347bf178dd1ad6615dfeaf097426f6c7c35cec577eea668a790732704e066436b72dc036d11cf1d9c02b0d4289f4d09e1cfb1467b72c3edc7ad003c56ffbf
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SSDEEP
98304:blDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31KmzN:h7B3j0rWdEQQ059Cfd4xbkE91Kmx
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/3824-2-0x0000000004F00000-0x00000000057EB000-memory.dmp family_glupteba behavioral1/memory/3824-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3824-28-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3824-57-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3824-58-0x0000000004F00000-0x00000000057EB000-memory.dmp family_glupteba behavioral1/memory/3824-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4564-80-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4564-136-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3808-161-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3808-214-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3808-230-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3808-232-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3808-235-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3808-238-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3808-242-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3808-244-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3808-247-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3808-250-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3808-254-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3484 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3808 csrss.exe 232 injector.exe 4256 windefender.exe 520 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023442-223.dat upx behavioral1/memory/4256-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/520-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4256-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/520-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/520-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4340 sc.exe -
pid Process 3364 powershell.exe 2768 powershell.exe 4684 powershell.exe 1168 powershell.exe 3452 powershell.exe 468 powershell.exe 4596 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 3384 schtasks.exe 4100 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.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,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard 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,-221 = "Alaskan Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight 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" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-1662 = "Bahia Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\CA\CRLs powershell.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,-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,-1831 = "Russia TZ 2 Daylight Time" 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1168 powershell.exe 1168 powershell.exe 3824 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 3824 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 3452 powershell.exe 3452 powershell.exe 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 468 powershell.exe 468 powershell.exe 4596 powershell.exe 4596 powershell.exe 3364 powershell.exe 3364 powershell.exe 2768 powershell.exe 2768 powershell.exe 4684 powershell.exe 4684 powershell.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 3808 csrss.exe 232 injector.exe 3808 csrss.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 3808 csrss.exe 3808 csrss.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 3808 csrss.exe 3808 csrss.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe 232 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1168 powershell.exe Token: SeDebugPrivilege 3824 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Token: SeImpersonatePrivilege 3824 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe Token: SeDebugPrivilege 3452 powershell.exe Token: SeDebugPrivilege 468 powershell.exe Token: SeDebugPrivilege 4596 powershell.exe Token: SeDebugPrivilege 3364 powershell.exe Token: SeDebugPrivilege 2768 powershell.exe Token: SeDebugPrivilege 4684 powershell.exe Token: SeSystemEnvironmentPrivilege 3808 csrss.exe Token: SeSecurityPrivilege 4340 sc.exe Token: SeSecurityPrivilege 4340 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3824 wrote to memory of 1168 3824 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 86 PID 3824 wrote to memory of 1168 3824 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 86 PID 3824 wrote to memory of 1168 3824 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 86 PID 4564 wrote to memory of 3452 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 91 PID 4564 wrote to memory of 3452 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 91 PID 4564 wrote to memory of 3452 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 91 PID 4564 wrote to memory of 448 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 93 PID 4564 wrote to memory of 448 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 93 PID 448 wrote to memory of 3484 448 cmd.exe 95 PID 448 wrote to memory of 3484 448 cmd.exe 95 PID 4564 wrote to memory of 468 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 97 PID 4564 wrote to memory of 468 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 97 PID 4564 wrote to memory of 468 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 97 PID 4564 wrote to memory of 4596 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 99 PID 4564 wrote to memory of 4596 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 99 PID 4564 wrote to memory of 4596 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 99 PID 4564 wrote to memory of 3808 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 102 PID 4564 wrote to memory of 3808 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 102 PID 4564 wrote to memory of 3808 4564 959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe 102 PID 3808 wrote to memory of 3364 3808 csrss.exe 103 PID 3808 wrote to memory of 3364 3808 csrss.exe 103 PID 3808 wrote to memory of 3364 3808 csrss.exe 103 PID 3808 wrote to memory of 2768 3808 csrss.exe 108 PID 3808 wrote to memory of 2768 3808 csrss.exe 108 PID 3808 wrote to memory of 2768 3808 csrss.exe 108 PID 3808 wrote to memory of 4684 3808 csrss.exe 111 PID 3808 wrote to memory of 4684 3808 csrss.exe 111 PID 3808 wrote to memory of 4684 3808 csrss.exe 111 PID 3808 wrote to memory of 232 3808 csrss.exe 113 PID 3808 wrote to memory of 232 3808 csrss.exe 113 PID 4256 wrote to memory of 4664 4256 windefender.exe 119 PID 4256 wrote to memory of 4664 4256 windefender.exe 119 PID 4256 wrote to memory of 4664 4256 windefender.exe 119 PID 4664 wrote to memory of 4340 4664 cmd.exe 120 PID 4664 wrote to memory of 4340 4664 cmd.exe 120 PID 4664 wrote to memory of 4340 4664 cmd.exe 120 -
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\959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe"C:\Users\Admin\AppData\Local\Temp\959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3824 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1168
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C:\Users\Admin\AppData\Local\Temp\959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.exe"C:\Users\Admin\AppData\Local\Temp\959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b.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:4564 -
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:3452
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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:448 -
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:3484
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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:468
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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:4596
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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:3808 -
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:3364
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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:3384
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1636
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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:2768
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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:4684
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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:232
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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:4100
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4256 -
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:4664 -
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:4340
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:520
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5731daf87f10d3ed23f05ac76f1e733fb
SHA1ea3cf7710dbcd26e635a3a17fd025126351f1881
SHA256ae9de7f378978f98e07fc4a6afb299ef285203d20981e7dd97b7f007389d19f0
SHA512264e63a395957f611c8cd2b4b3964df2bc99e7c7d4eb2f07979bc7cdf12b46ce402a3bc0b19a5a5b6b27be9ffdeead2e810e08292870a137943ce21b253c0913
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57c493e949c6c1aaa585d22d7f60c80a2
SHA17f09d0d098a5c8d1e20616efa8d0c0a3155670b2
SHA25690a227247f314a947ea7cb197ce27de387f90c544d4523e19b67c8085a6c69f4
SHA512d00fc5885a4a456d8de86188e779350a82c2b270864db018f12c3b381361962e58024d991f79f6273d0f4ab2a5920f3a725624eca3996bebb002bd627b1aee4a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a1e4d09422cde6c38fe3c3e161d63038
SHA10e05c96a2c7df9eea21db004fe14a8071dfde50a
SHA2562e9e4c7af56c1100e3b7525e0ee86ac69a0b7e9e80f9d2c5625a12a5d5d3920b
SHA512e616e5acfb10a9dfa4882266f9c7fd1398f3486bb3630eef4b006fb0095625df17d3c299c017fc33519fab3f18afe12c8b8195bc53c5cffeebb01d4f7fabdedf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5040af75574603a51a73765f93422f0a6
SHA1e64b341653ff0af71e9e9e6ecdf4f44f0473a1ca
SHA2561b1144b4a320af50157acb8884f4f41c7fbc3cefa7b8e3ff78a0c673b74cd95a
SHA512c7e10ad81e74b4fb2e1b2132aca42469e6a33bd20c14b2b808a29dbddf66ebf578863a7f68c66095bb3f2ece55ea84b1db0759cba48a30b43377c452c39dc457
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fc94799ef27c6c98b852ff53763cac86
SHA14ce70450a8a13d272f2532eb8f5a64f5ba92ca96
SHA256568288b156dd4fd40481d973c169491a961d6a96e9d5fcc46bedc4f236a7e6c5
SHA512ed0319136faf6fd0d21cdf03618ca6e3f7c01075b2ba7d61afa4372db114ef3120d1f3d339bd9f0e019ec6fe5212ec8bfbc04498a65fdb22e6ba495a807d7d9a
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Filesize
4.1MB
MD55697ae3edaa60fe9831e4d7fcf3b6c7d
SHA1abbf6ffb25b29785833153beb54111ce79af70a4
SHA256959d1fa8c77f5248c79471dc047f6e21fe1bbf762105beb76d045d6b4138a81b
SHA512cca347bf178dd1ad6615dfeaf097426f6c7c35cec577eea668a790732704e066436b72dc036d11cf1d9c02b0d4289f4d09e1cfb1467b72c3edc7ad003c56ffbf
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec