Analysis
-
max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
04/05/2024, 06:29
Static task
static1
Behavioral task
behavioral1
Sample
dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe
Resource
win10v2004-20240426-en
General
-
Target
dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe
-
Size
4.2MB
-
MD5
567a24290e4e65e6f94030797ff090ba
-
SHA1
4008db7ab41bee516df81f6a752bafd0b32fc408
-
SHA256
dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936
-
SHA512
7c87b875e030397ae7232dd4c172a994747440d8aebc224772a4e1606a563d6fa086d94f0e03697ebb9a2bcb3ef5e55b434ed09f7452453df95411dc9cbeced1
-
SSDEEP
98304:SCIqpymzQQBpZkrN3W7Jz4LW/2XsRFmQrPSDWGT:SCIqpymrrJ8W2XsShT
Malware Config
Signatures
-
Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2688-2-0x0000000003E10000-0x00000000046FB000-memory.dmp family_glupteba behavioral1/memory/2688-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2688-154-0x0000000003E10000-0x00000000046FB000-memory.dmp family_glupteba behavioral1/memory/2688-152-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/624-156-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/2688-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/944-214-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/944-225-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/944-229-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/944-233-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/944-237-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/944-241-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/944-245-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/944-249-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/944-253-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/944-257-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/944-261-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/944-265-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba behavioral1/memory/944-269-0x0000000000400000-0x0000000001DFC000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2204 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 944 csrss.exe 5996 injector.exe 1840 windefender.exe 896 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023425-218.dat upx behavioral1/memory/1840-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/896-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1840-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/896-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/896-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe File created C:\Windows\rss\csrss.exe dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.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 2908 sc.exe -
pid Process 5272 powershell.exe 2240 powershell.exe 5524 powershell.exe 4240 powershell.exe 3000 powershell.exe 2380 powershell.exe 872 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 5740 schtasks.exe 1980 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-841 = "Argentina Daylight Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight 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 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,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5524 powershell.exe 5524 powershell.exe 2688 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 2688 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 4240 powershell.exe 4240 powershell.exe 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 3000 powershell.exe 3000 powershell.exe 3000 powershell.exe 2380 powershell.exe 2380 powershell.exe 872 powershell.exe 872 powershell.exe 5272 powershell.exe 5272 powershell.exe 2240 powershell.exe 2240 powershell.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 944 csrss.exe 944 csrss.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 944 csrss.exe 944 csrss.exe 5996 injector.exe 5996 injector.exe 944 csrss.exe 944 csrss.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe 5996 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5524 powershell.exe Token: SeDebugPrivilege 2688 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Token: SeImpersonatePrivilege 2688 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe Token: SeDebugPrivilege 4240 powershell.exe Token: SeDebugPrivilege 3000 powershell.exe Token: SeDebugPrivilege 2380 powershell.exe Token: SeDebugPrivilege 872 powershell.exe Token: SeDebugPrivilege 5272 powershell.exe Token: SeDebugPrivilege 2240 powershell.exe Token: SeSystemEnvironmentPrivilege 944 csrss.exe Token: SeSecurityPrivilege 2908 sc.exe Token: SeSecurityPrivilege 2908 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2688 wrote to memory of 5524 2688 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 85 PID 2688 wrote to memory of 5524 2688 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 85 PID 2688 wrote to memory of 5524 2688 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 85 PID 624 wrote to memory of 4240 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 94 PID 624 wrote to memory of 4240 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 94 PID 624 wrote to memory of 4240 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 94 PID 624 wrote to memory of 1672 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 98 PID 624 wrote to memory of 1672 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 98 PID 1672 wrote to memory of 2204 1672 cmd.exe 100 PID 1672 wrote to memory of 2204 1672 cmd.exe 100 PID 624 wrote to memory of 3000 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 101 PID 624 wrote to memory of 3000 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 101 PID 624 wrote to memory of 3000 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 101 PID 624 wrote to memory of 2380 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 104 PID 624 wrote to memory of 2380 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 104 PID 624 wrote to memory of 2380 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 104 PID 624 wrote to memory of 944 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 107 PID 624 wrote to memory of 944 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 107 PID 624 wrote to memory of 944 624 dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe 107 PID 944 wrote to memory of 872 944 csrss.exe 108 PID 944 wrote to memory of 872 944 csrss.exe 108 PID 944 wrote to memory of 872 944 csrss.exe 108 PID 944 wrote to memory of 5272 944 csrss.exe 113 PID 944 wrote to memory of 5272 944 csrss.exe 113 PID 944 wrote to memory of 5272 944 csrss.exe 113 PID 944 wrote to memory of 2240 944 csrss.exe 116 PID 944 wrote to memory of 2240 944 csrss.exe 116 PID 944 wrote to memory of 2240 944 csrss.exe 116 PID 944 wrote to memory of 5996 944 csrss.exe 118 PID 944 wrote to memory of 5996 944 csrss.exe 118 PID 1840 wrote to memory of 5088 1840 windefender.exe 124 PID 1840 wrote to memory of 5088 1840 windefender.exe 124 PID 1840 wrote to memory of 5088 1840 windefender.exe 124 PID 5088 wrote to memory of 2908 5088 cmd.exe 125 PID 5088 wrote to memory of 2908 5088 cmd.exe 125 PID 5088 wrote to memory of 2908 5088 cmd.exe 125 -
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
-
C:\Users\Admin\AppData\Local\Temp\dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe"C:\Users\Admin\AppData\Local\Temp\dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5524
-
-
C:\Users\Admin\AppData\Local\Temp\dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.exe"C:\Users\Admin\AppData\Local\Temp\dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936.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:624 -
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:4240
-
-
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:1672 -
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:2204
-
-
-
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:3000
-
-
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:2380
-
-
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:944 -
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:872
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5740
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5708
-
-
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:5272
-
-
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:2240
-
-
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:5996
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1980
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1840 -
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:5088 -
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:2908
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:896
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f964ba9483d6912661a1641eae2e6e78
SHA1209b4598db56f11d4441fd634acecc2e09edc5d8
SHA256f1d27703d1a31597e3cd25ff444bcd80bcf5595fc764e51798da1f52c1965001
SHA512c767add6cb8f77d389f81421dff184420fcea84f8d9dbf71b44591be7def9ac23ebfeb57c983b1cf0b9953309d1b7dd0b3240e7f2688df5735bd4a8ee190e35f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD576224f28f2000fbf80fa8febd26f391b
SHA17c808521a93793bd53ff965ab476833fa34fb9a4
SHA25673beb1e268a52413ba6a17ca8709b0bb629e472a58e174ff9f7e90877cbe1c7a
SHA5122574c41207a3121cb75daee8fd0abf5212a2a712bf06185b069c5f20f9038b36a6a8dbba8a1870a1127366355c178d1e914dfceacb3bc94db1a0577c4b2d6958
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5129126775c235da78b158a8d72d02a88
SHA1fa11881cad43fc4061dc68029370ddd716c1fe18
SHA256a91e7fac380882b952d2aa92b1060e4f9fafd8906545e9a557e5ba504ba78c31
SHA5125a58f2c5b992adf40e13e808fe0ba9789df4aba25b9690c98918d683706f4312c079468cca089ca0adab445c947ee426b2fe5a71c66689ca79e5ddc39de3d64c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5511dcffd2a8b34bac1adb5e3db333293
SHA12a3d38852f83b28c253f51218687edebe8bcb052
SHA2564322fbac31362a2658a77d6580fb990da0ff8e3a1e35bad4dc2279a4f52a4566
SHA512998cd81698e2da7c5ad7b1a3956072ad7ba1a0e30be8d754b73fe0c1f8c924aa2ba42a8b3103b380ea5fe5606cf26ba0768a81e0217c762ecfb7d9fb8cf08f33
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57715341e7c0445a13e00fb8a995d762f
SHA1785348f622b858e3bd61d0b0e476110293f6856c
SHA256132d914017c99147fc594d47bd535695d6a18327a9654d909246a10c96116611
SHA5129bcac6a7c33b5b28d9cc671ba0020bb0449587c97dcd60fc19fa47dd913a4b8183f56a187d4eea2559ee9c92ba7ead465b40313d2adf3b4f16420322c6681862
-
Filesize
4.2MB
MD5567a24290e4e65e6f94030797ff090ba
SHA14008db7ab41bee516df81f6a752bafd0b32fc408
SHA256dff20f9592870aea617cde93e075bf21fceebacc37a74354df616a6521663936
SHA5127c87b875e030397ae7232dd4c172a994747440d8aebc224772a4e1606a563d6fa086d94f0e03697ebb9a2bcb3ef5e55b434ed09f7452453df95411dc9cbeced1
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec