Analysis
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max time kernel
149s -
max time network
144s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 18:17
Static task
static1
Behavioral task
behavioral1
Sample
9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe
Resource
win10v2004-20240508-en
General
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Target
9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe
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Size
4.1MB
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MD5
367e32369722564739386c9489aaf3e8
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SHA1
69a082d73fec207ebb7aa7126ed9f00445203a77
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SHA256
9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c
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SHA512
63aeff0e724534d79e2a86a970e0f2dfd7f92095a82dc4a3374890616fbd02cffe0ab080267b1da3cad28a0ba5a12e64a571da6d1b47b149ef756fd58ac62b94
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SSDEEP
98304:YoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gGy:YC1IraEjIw04m/Xfo4a5yka2Q+gN
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral2/memory/1260-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1260-2-0x0000000004DE0000-0x00000000056CB000-memory.dmp family_glupteba behavioral2/memory/1260-4-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1260-53-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1260-55-0x0000000004DE0000-0x00000000056CB000-memory.dmp family_glupteba behavioral2/memory/420-65-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/1260-81-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/420-129-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/804-153-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/804-207-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/804-217-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/804-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/804-222-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/804-226-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/804-229-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/804-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/804-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 844 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 804 csrss.exe 1020 injector.exe 3460 windefender.exe 1892 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa49-211.dat upx behavioral2/memory/3460-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3460-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1892-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1892-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\S-1-5-21-2994005945-4089876968-1367784197-1000\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 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe File created C:\Windows\rss\csrss.exe 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.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 2856 sc.exe -
pid Process 4840 powershell.exe 4880 powershell.exe 3908 powershell.exe 1420 powershell.exe 4236 powershell.exe 924 powershell.exe 4536 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 3092 schtasks.exe 3412 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\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.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,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.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,-662 = "Cen. Australia Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.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,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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,-2512 = "Lord Howe Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4536 powershell.exe 4536 powershell.exe 1260 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 1260 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 4840 powershell.exe 4840 powershell.exe 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 4880 powershell.exe 4880 powershell.exe 3908 powershell.exe 3908 powershell.exe 1420 powershell.exe 1420 powershell.exe 4236 powershell.exe 4236 powershell.exe 924 powershell.exe 924 powershell.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 804 csrss.exe 804 csrss.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 804 csrss.exe 804 csrss.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 804 csrss.exe 804 csrss.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe 1020 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 1260 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Token: SeImpersonatePrivilege 1260 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe Token: SeDebugPrivilege 4840 powershell.exe Token: SeDebugPrivilege 4880 powershell.exe Token: SeDebugPrivilege 3908 powershell.exe Token: SeDebugPrivilege 1420 powershell.exe Token: SeDebugPrivilege 4236 powershell.exe Token: SeDebugPrivilege 924 powershell.exe Token: SeSystemEnvironmentPrivilege 804 csrss.exe Token: SeSecurityPrivilege 2856 sc.exe Token: SeSecurityPrivilege 2856 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1260 wrote to memory of 4536 1260 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 83 PID 1260 wrote to memory of 4536 1260 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 83 PID 1260 wrote to memory of 4536 1260 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 83 PID 420 wrote to memory of 4840 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 88 PID 420 wrote to memory of 4840 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 88 PID 420 wrote to memory of 4840 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 88 PID 420 wrote to memory of 2104 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 90 PID 420 wrote to memory of 2104 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 90 PID 2104 wrote to memory of 844 2104 cmd.exe 92 PID 2104 wrote to memory of 844 2104 cmd.exe 92 PID 420 wrote to memory of 4880 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 93 PID 420 wrote to memory of 4880 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 93 PID 420 wrote to memory of 4880 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 93 PID 420 wrote to memory of 3908 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 95 PID 420 wrote to memory of 3908 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 95 PID 420 wrote to memory of 3908 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 95 PID 420 wrote to memory of 804 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 97 PID 420 wrote to memory of 804 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 97 PID 420 wrote to memory of 804 420 9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe 97 PID 804 wrote to memory of 1420 804 csrss.exe 98 PID 804 wrote to memory of 1420 804 csrss.exe 98 PID 804 wrote to memory of 1420 804 csrss.exe 98 PID 804 wrote to memory of 4236 804 csrss.exe 104 PID 804 wrote to memory of 4236 804 csrss.exe 104 PID 804 wrote to memory of 4236 804 csrss.exe 104 PID 804 wrote to memory of 924 804 csrss.exe 106 PID 804 wrote to memory of 924 804 csrss.exe 106 PID 804 wrote to memory of 924 804 csrss.exe 106 PID 804 wrote to memory of 1020 804 csrss.exe 108 PID 804 wrote to memory of 1020 804 csrss.exe 108 PID 3460 wrote to memory of 764 3460 windefender.exe 114 PID 3460 wrote to memory of 764 3460 windefender.exe 114 PID 3460 wrote to memory of 764 3460 windefender.exe 114 PID 764 wrote to memory of 2856 764 cmd.exe 115 PID 764 wrote to memory of 2856 764 cmd.exe 115 PID 764 wrote to memory of 2856 764 cmd.exe 115 -
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\9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe"C:\Users\Admin\AppData\Local\Temp\9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4536
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C:\Users\Admin\AppData\Local\Temp\9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.exe"C:\Users\Admin\AppData\Local\Temp\9388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c.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:420 -
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:4840
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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:2104 -
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:844
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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:4880
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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:3908
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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:804 -
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:1420
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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:3412
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4848
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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:4236
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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:924
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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:1020
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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:3092
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3460 -
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:764 -
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:2856
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1892
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
MD515ca0f6d151a8d7f464a971df0cc6a78
SHA1ea7de9cad7dc7348eccfe103211bb1486b0d90bb
SHA256b0bef04803c95b99e2bcd4048d43cd3e119bdb0a3b3537d730ca007c0a48e99f
SHA5128ecba68009cdc58d06eaeac33494c9a6570dfb05e483a311dbb9052a175dae3c89f327d3ffb8fc11764cccf3675dc8e9f051e46f48c8b688d309588eae05950b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a83932f8ea6d8e777ee1430fa5e05238
SHA1cf4cf8cf9000221f6f0ab3b66b20e376a1c93756
SHA256c27198d4b8e718133732c2de3ff8a705df5f8dbf97fda553d4cde535d4988c55
SHA512a9f04e9145fc25bab07aeba4eb41c388d6e38bc10ae3654a7a32fa771076423d295a7462027a10efd801b6d5e0a09e55b9e24403ef3c6d34d2a25ae8afb92d81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58226fe6fdc4ec291566f09229a460f65
SHA185b1703b20f4c086d2ba0255acb28be3e4a2e39f
SHA256199cdea38ba5fdb8e153c0ca3f82b0f0ea3cf6a0a66619c20e124a862d1783c9
SHA512b7a8df53b5ff37cb8d1a63c6567a9af46b9fd48bf16f030afbc6269e47f7688088afc56f7e2fcdb8d004f7153d73c2d20d6f84bec09b996482a99bd0bb805896
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f389744cdd6c40dbf392ce47a25072e2
SHA1f539408a0bb06482ae25f247cebed82fad231c0c
SHA256a4b0d7465f1e5df876e88f357cc3642a86f645afb19230926c1b8f440b6e4c99
SHA5129d5a16b968e812123e6592d8930571910cd467ef50f2b2fef84b9b0cfeefea36176c4d311b4d3061ff43c85d92ceca48c650dfbe83e0876de06cf780970c1152
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5049897c741d0540646a27125f09a6c6f
SHA11be2ad9f81bb73783623a13fc424e43b777a5788
SHA2569d7dd1724e2cbf98b0217d9fe0c8eeab19e11396714441dd92cb86dcaa5c74f6
SHA5124f3b5ba974fa7e5c678799d36d95699a1e7ae4d598a004cd3ccbc06274488450f11b7fb3533ee04625eb6bdb3b56d1fa4cab3f65b7abd46ab99eb5a4b2694d18
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Filesize
4.1MB
MD5367e32369722564739386c9489aaf3e8
SHA169a082d73fec207ebb7aa7126ed9f00445203a77
SHA2569388ee4c1ac491755ce808e07cb89db8f9c6d9521aa643f2077b9b5d0726ec5c
SHA51263aeff0e724534d79e2a86a970e0f2dfd7f92095a82dc4a3374890616fbd02cffe0ab080267b1da3cad28a0ba5a12e64a571da6d1b47b149ef756fd58ac62b94
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec