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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/05/2024, 19:14
Static task
static1
Behavioral task
behavioral1
Sample
9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe
Resource
win10v2004-20240426-en
General
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Target
9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe
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Size
4.1MB
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MD5
92dba39b74afa673ceb91de30dab9451
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SHA1
870c378e9ebb35c5118a5f0b2f2f80df47661301
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SHA256
9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf
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SHA512
7bc2381c8268d971c5573bf24d02631624d12603e8dd4037fe80c62bec7c3cd942937d89cded95d45aa9d39dc097a4498a35258c44f387a07b3060289840703c
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SSDEEP
98304:cOx+yLAsWcX5ANOp80aGDbz4ZHRnWgYq13pS/Dvn0Yng1:ME1pj8JRnW2pojn0Yg1
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/3412-2-0x0000000004A70000-0x000000000535B000-memory.dmp family_glupteba behavioral2/memory/3412-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3412-99-0x0000000004A70000-0x000000000535B000-memory.dmp family_glupteba behavioral2/memory/3412-97-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/1260-123-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3412-145-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3896-199-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3896-209-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3896-212-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3896-215-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3896-218-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3896-221-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3896-224-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3896-227-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3896-230-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3896-233-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3896-236-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3896-239-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba behavioral2/memory/3896-242-0x0000000000400000-0x0000000002959000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3168 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3896 csrss.exe 4708 injector.exe 1424 windefender.exe 4216 windefender.exe -
resource yara_rule behavioral2/memory/1424-204-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000200000002aa07-203.dat upx behavioral2/memory/1424-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4216-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4216-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4216-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Set value (str) \REGISTRY\USER\S-1-5-21-2551177587-3778486488-1329702901-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe File created C:\Windows\rss\csrss.exe 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5044 sc.exe -
pid Process 3424 powershell.exe 3344 powershell.exe 2744 powershell.exe 5004 powershell.exe 708 powershell.exe 1728 powershell.exe 616 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 3560 schtasks.exe 5020 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.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,-12 = "Azores Standard Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.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\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.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" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard 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,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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,-722 = "Central Pacific Standard Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.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,-442 = "Arabian 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\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard 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,-2871 = "Magallanes Daylight Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo 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\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3424 powershell.exe 3424 powershell.exe 3412 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 3412 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 3344 powershell.exe 3344 powershell.exe 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 2744 powershell.exe 2744 powershell.exe 5004 powershell.exe 5004 powershell.exe 708 powershell.exe 708 powershell.exe 1728 powershell.exe 1728 powershell.exe 616 powershell.exe 616 powershell.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 3896 csrss.exe 3896 csrss.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 3896 csrss.exe 3896 csrss.exe 4708 injector.exe 4708 injector.exe 3896 csrss.exe 3896 csrss.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe 4708 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3424 powershell.exe Token: SeDebugPrivilege 3412 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Token: SeImpersonatePrivilege 3412 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe Token: SeDebugPrivilege 3344 powershell.exe Token: SeDebugPrivilege 2744 powershell.exe Token: SeDebugPrivilege 5004 powershell.exe Token: SeDebugPrivilege 708 powershell.exe Token: SeDebugPrivilege 1728 powershell.exe Token: SeDebugPrivilege 616 powershell.exe Token: SeSystemEnvironmentPrivilege 3896 csrss.exe Token: SeSecurityPrivilege 5044 sc.exe Token: SeSecurityPrivilege 5044 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3412 wrote to memory of 3424 3412 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 78 PID 3412 wrote to memory of 3424 3412 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 78 PID 3412 wrote to memory of 3424 3412 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 78 PID 1260 wrote to memory of 3344 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 109 PID 1260 wrote to memory of 3344 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 109 PID 1260 wrote to memory of 3344 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 109 PID 1260 wrote to memory of 2280 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 85 PID 1260 wrote to memory of 2280 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 85 PID 2280 wrote to memory of 3168 2280 cmd.exe 87 PID 2280 wrote to memory of 3168 2280 cmd.exe 87 PID 1260 wrote to memory of 2744 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 88 PID 1260 wrote to memory of 2744 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 88 PID 1260 wrote to memory of 2744 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 88 PID 1260 wrote to memory of 5004 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 90 PID 1260 wrote to memory of 5004 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 90 PID 1260 wrote to memory of 5004 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 90 PID 1260 wrote to memory of 3896 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 92 PID 1260 wrote to memory of 3896 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 92 PID 1260 wrote to memory of 3896 1260 9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe 92 PID 3896 wrote to memory of 708 3896 csrss.exe 93 PID 3896 wrote to memory of 708 3896 csrss.exe 93 PID 3896 wrote to memory of 708 3896 csrss.exe 93 PID 3896 wrote to memory of 1728 3896 csrss.exe 99 PID 3896 wrote to memory of 1728 3896 csrss.exe 99 PID 3896 wrote to memory of 1728 3896 csrss.exe 99 PID 3896 wrote to memory of 616 3896 csrss.exe 101 PID 3896 wrote to memory of 616 3896 csrss.exe 101 PID 3896 wrote to memory of 616 3896 csrss.exe 101 PID 3896 wrote to memory of 4708 3896 csrss.exe 103 PID 3896 wrote to memory of 4708 3896 csrss.exe 103 PID 1424 wrote to memory of 3344 1424 windefender.exe 109 PID 1424 wrote to memory of 3344 1424 windefender.exe 109 PID 1424 wrote to memory of 3344 1424 windefender.exe 109 PID 3344 wrote to memory of 5044 3344 cmd.exe 110 PID 3344 wrote to memory of 5044 3344 cmd.exe 110 PID 3344 wrote to memory of 5044 3344 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\9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe"C:\Users\Admin\AppData\Local\Temp\9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3424
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C:\Users\Admin\AppData\Local\Temp\9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.exe"C:\Users\Admin\AppData\Local\Temp\9bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf.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:1260 -
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:3344
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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:2280 -
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:3168
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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:2744
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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:5004
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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:3896 -
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:708
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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:3560
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2076
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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:1728
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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:616
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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:4708
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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:5020
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1424 -
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:3344 -
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:5044
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4216
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
MD5e0d29c8c3dee0c5d80b1e220caa91a9a
SHA12df489fdac9c0d2c39d19884ef9d989a434cf2fa
SHA25670b781f638fb97b7496f84260627b8671431a00e6c8624f83533ca004bd7ecd4
SHA5126e43e9b26933c699018b9f118fc950f50ba6f36132c9acfd9c2dbdd3c5cf142cf8a9ac7b336f931bae4575c786d2de433d71b8a3506c9cf09ddc83f5f6f45429
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cea86a69e653df428f44e357ab080069
SHA127a441a3e7c445990688ce59118803d6541c6452
SHA25635a11b746b2842f06cd3be83766e3e3fbc2010992aedf998b9a1761acaeea03b
SHA5129c2afed4db186b2f75c45444724e9b2e405e05e38485ed494cfb04d73c3fdf1e46c3e0ea52e01166545d8343e5ad0f79b34044c3d66c9c18237b2de901b2f536
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d169f03d70eb2fdd7a54bc3eb46b74a
SHA1ccdb563b6953d5cd14137d326f89d727edd89124
SHA2560e0b5f0ea093c8428f119a0da9e259a273906c393a2b85aaae194f7c7018e5a9
SHA512622fe0e5779dc1542b427bf1a018f1659c7dc4b637de98dabacf76fe57ecf29c2b2f4804b32adb7ece01ed73264c94f49382dbd69668d81e19e811203b378526
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD549cf4978d1262807034875206daf0720
SHA10ddae985993b4b0bac78cdaba473d8092abe8b54
SHA25612babc5b51b43663005331023a9b5b285ebfe24bf1c4f59ac02d4a45c56c22c4
SHA5120a63909d95f4fec22ec290d623101bcb9135bda5f41863180a454e73440317a55458b5641e86f223c8abce55f8887b02ed7f0ca1e2f0d3e51cda2ad6359d2efb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD574249328c594cc93358f06e945013a48
SHA141cc67dada03aa4830c93dff89907acf36945b6d
SHA256da780b2b6dd1535f40ab8955677c6bce527b863a244f5270e22656e564708d45
SHA51223aabdd02d75b63f5aa9e8b5228072de17a1d46464121bd2131829230b457d53e3482dacdab49e39811ae6174fad53f75abea468d5fac924414477a0390fa691
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Filesize
4.1MB
MD592dba39b74afa673ceb91de30dab9451
SHA1870c378e9ebb35c5118a5f0b2f2f80df47661301
SHA2569bb675f3a0231a29675dca6dfb1c990afb61f722cbe99f4c2891f21209bf6ccf
SHA5127bc2381c8268d971c5573bf24d02631624d12603e8dd4037fe80c62bec7c3cd942937d89cded95d45aa9d39dc097a4498a35258c44f387a07b3060289840703c
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec