Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
28/04/2024, 14:20
Static task
static1
Behavioral task
behavioral1
Sample
f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe
Resource
win10v2004-20240419-en
General
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Target
f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe
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Size
4.2MB
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MD5
da51e953e46267c1c827280b45abe6fe
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SHA1
77cbc46b84da88a8dbaf41aaca7dfaae0f03cc12
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SHA256
f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080
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SHA512
2be393cac0569977808cea0f1d33d210218c2aaea39c9e118375e7d9909a9375217a27ecceeed95c452cc69ccd02ff2d53fc9321e6c8a20f17d991119452bb12
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SSDEEP
98304:PHUv657qgpFkyPwi+mbANtH/q59RA4PaMEp3P6wQjbKVpC:vUIpFNPwi0tHCfRZaiwIbEpC
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4572-2-0x0000000003F60000-0x000000000484B000-memory.dmp family_glupteba behavioral2/memory/4572-3-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4572-85-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4572-118-0x0000000003F60000-0x000000000484B000-memory.dmp family_glupteba behavioral2/memory/3708-144-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-198-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-210-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-214-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-217-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-222-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-226-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-230-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-233-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-238-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-242-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-246-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-249-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral2/memory/4556-254-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5068 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4556 csrss.exe 3124 injector.exe 3412 windefender.exe 2388 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002aa17-201.dat upx behavioral2/memory/3412-203-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2388-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3412-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2388-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2388-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Set value (str) \REGISTRY\USER\S-1-5-21-1696768468-2170909707-4198977321-1000\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 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe File created C:\Windows\rss\csrss.exe f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3360 sc.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 4128 schtasks.exe 1420 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,-302 = "Romance 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-162 = "Central Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka 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" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.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\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.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,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.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" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3332 powershell.exe 3332 powershell.exe 4572 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 4572 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 3756 powershell.exe 3756 powershell.exe 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 1540 powershell.exe 1540 powershell.exe 248 powershell.exe 248 powershell.exe 2864 powershell.exe 2864 powershell.exe 2560 powershell.exe 2560 powershell.exe 4708 powershell.exe 4708 powershell.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 4556 csrss.exe 3124 injector.exe 4556 csrss.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 4556 csrss.exe 4556 csrss.exe 3124 injector.exe 3124 injector.exe 4556 csrss.exe 4556 csrss.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe 3124 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3332 powershell.exe Token: SeDebugPrivilege 4572 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Token: SeImpersonatePrivilege 4572 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe Token: SeDebugPrivilege 3756 powershell.exe Token: SeDebugPrivilege 1540 powershell.exe Token: SeDebugPrivilege 248 powershell.exe Token: SeDebugPrivilege 2864 powershell.exe Token: SeDebugPrivilege 2560 powershell.exe Token: SeDebugPrivilege 4708 powershell.exe Token: SeSystemEnvironmentPrivilege 4556 csrss.exe Token: SeSecurityPrivilege 3360 sc.exe Token: SeSecurityPrivilege 3360 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4572 wrote to memory of 3332 4572 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 81 PID 4572 wrote to memory of 3332 4572 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 81 PID 4572 wrote to memory of 3332 4572 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 81 PID 3708 wrote to memory of 3756 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 86 PID 3708 wrote to memory of 3756 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 86 PID 3708 wrote to memory of 3756 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 86 PID 3708 wrote to memory of 4996 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 88 PID 3708 wrote to memory of 4996 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 88 PID 4996 wrote to memory of 5068 4996 cmd.exe 90 PID 4996 wrote to memory of 5068 4996 cmd.exe 90 PID 3708 wrote to memory of 1540 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 91 PID 3708 wrote to memory of 1540 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 91 PID 3708 wrote to memory of 1540 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 91 PID 3708 wrote to memory of 248 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 93 PID 3708 wrote to memory of 248 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 93 PID 3708 wrote to memory of 248 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 93 PID 3708 wrote to memory of 4556 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 95 PID 3708 wrote to memory of 4556 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 95 PID 3708 wrote to memory of 4556 3708 f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe 95 PID 4556 wrote to memory of 2864 4556 csrss.exe 96 PID 4556 wrote to memory of 2864 4556 csrss.exe 96 PID 4556 wrote to memory of 2864 4556 csrss.exe 96 PID 4556 wrote to memory of 2560 4556 csrss.exe 102 PID 4556 wrote to memory of 2560 4556 csrss.exe 102 PID 4556 wrote to memory of 2560 4556 csrss.exe 102 PID 4556 wrote to memory of 4708 4556 csrss.exe 104 PID 4556 wrote to memory of 4708 4556 csrss.exe 104 PID 4556 wrote to memory of 4708 4556 csrss.exe 104 PID 4556 wrote to memory of 3124 4556 csrss.exe 106 PID 4556 wrote to memory of 3124 4556 csrss.exe 106 PID 3412 wrote to memory of 748 3412 windefender.exe 112 PID 3412 wrote to memory of 748 3412 windefender.exe 112 PID 3412 wrote to memory of 748 3412 windefender.exe 112 PID 748 wrote to memory of 3360 748 cmd.exe 113 PID 748 wrote to memory of 3360 748 cmd.exe 113 PID 748 wrote to memory of 3360 748 cmd.exe 113 -
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\f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe"C:\Users\Admin\AppData\Local\Temp\f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3332
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C:\Users\Admin\AppData\Local\Temp\f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.exe"C:\Users\Admin\AppData\Local\Temp\f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080.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:3708 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3756
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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:4996 -
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:5068
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1540
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:248
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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:4556 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2864
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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:4128
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4068
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2560
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4708
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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:3124
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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:1420
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3412 -
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:748 -
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:3360
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2388
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
MD5394ba2b562767d91ab794fff6494f263
SHA17562d806719c2236b10f32070a6ed3fc5d64e092
SHA256e222c5d4c4b1cee588df43e547fc38fb869e3f5f8ae352970f26dd68454dd921
SHA51211f5b4acec18467ae09606deba4607dad9212584d9f110d024289556e38406531e7eb3b70a73b91125f6aa2be0c868e2e295d3bcb3b7b85572961cb5ae144f8c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f73d9084db6ff72cfd5d532945c70f4
SHA19172d5491944f2871090240510955d76d9b2a5d8
SHA2564368d4f6be5c174d6f6161801716789c73650294fdd97e01da17ab9fc4589ab9
SHA51294053c1cc31afd3135d66e37152723852c25dfe26bcbd730e7ef3ce1068fa89de812766119f931d156f8d00271a18e764ebe0180a5053f71f7abbd561cf2bddc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e2c1253251b6d4c35b3975f75be3b352
SHA1a6b31fac2f7c8c185fa6672dbe44b03848a8c6a1
SHA2565b020605b319c7fd61f06ea0cc7fd3c213a948df4b1d46cb827c3e8d8319b3bd
SHA512ac93a1e478865b0513b2e9913f02eff7d82f7f89bcf2c355ccbdefeaba2a34367c2e64c3022b873d36493e6ce3ca419dc5812ff3a316bbcd7fa838f7ad3befcd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD550af83b82ff78ef7d8d25a8c4a09fd33
SHA19c2e9127941e12fa2492e2fa0832e7de9d696c3e
SHA2568ed20f802fffd4ee0711bcb5aca20f760dff76731839446808121bb3edaf2106
SHA5129a5bb7c281a2c59ec8411b2870881c600d28147ab87cc1f0674f0690e16b8106e8d550a8dc252c6d289864f8337c26e3e251a7b538e33d7066e23d76eeec277f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5db9981633a368cc1706f79cb7f099674
SHA1a2412dd5d532228e4f71c41b1b59832ab2b29a33
SHA256350d7a717f53755d3a23a912030d668acd7a4b546489263f941c3cb476111560
SHA512de03e9031bd439adc2290173cb17373539f2f913d617cf2b48e22c9a721d093380255c547534d7d1c3d24cb47e3dbce6dc632d7513f5c74d629a3ec7964eb63a
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Filesize
4.2MB
MD5da51e953e46267c1c827280b45abe6fe
SHA177cbc46b84da88a8dbaf41aaca7dfaae0f03cc12
SHA256f2eca1b504ee269508ce11165981431de9e61179dc138a168a4451753fb2b080
SHA5122be393cac0569977808cea0f1d33d210218c2aaea39c9e118375e7d9909a9375217a27ecceeed95c452cc69ccd02ff2d53fc9321e6c8a20f17d991119452bb12
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec