Analysis
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max time kernel
153s -
max time network
163s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 19:07
Static task
static1
Behavioral task
behavioral1
Sample
17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe
Resource
win10v2004-20240412-en
General
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Target
17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe
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Size
4.2MB
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MD5
15bbabcac0f9cd567f9f802339b10a18
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SHA1
cc885bf8001c028eb97190fc0295e1d50af3202e
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SHA256
17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff
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SHA512
cb99a3803cfcc0aebefc206fb5f6573ca40e26864293f0ef0161d45932bd4691f998ba62ca97459cb420215aeb28a84fac2fb2e2a5b951d27292016808aae4a7
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SSDEEP
98304:W+HT2dFOlkJa7jNZC2ePu9ILkthheCYlOaS:PzMKBrC2kuA8hnt1
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/4932-2-0x0000000005350000-0x0000000005C3B000-memory.dmp family_glupteba behavioral2/memory/4932-3-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4932-4-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4932-25-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3476-56-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral2/memory/3476-57-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4932-66-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3476-86-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3476-115-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3476-119-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/3476-150-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2128-198-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2128-247-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2128-257-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2128-259-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2128-262-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2128-265-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2128-268-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2128-271-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2128-274-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 564 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2128 csrss.exe 1620 injector.exe 2364 windefender.exe 3896 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9e7-251.dat upx behavioral2/memory/2364-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3896-260-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3896-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1734202354-1504186683-2192872036-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\S-1-5-21-1734202354-1504186683-2192872036-1000\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\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 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe File created C:\Windows\rss\csrss.exe 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.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 1656 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 1472 schtasks.exe 4144 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\26\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.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\26\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2872 = "Magallanes Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2288 powershell.exe 2288 powershell.exe 4932 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 4932 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 4468 powershell.exe 4468 powershell.exe 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 560 powershell.exe 560 powershell.exe 4720 powershell.exe 4720 powershell.exe 3084 powershell.exe 3084 powershell.exe 2492 powershell.exe 2492 powershell.exe 1780 powershell.exe 1780 powershell.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 2128 csrss.exe 2128 csrss.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 2128 csrss.exe 2128 csrss.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 2128 csrss.exe 2128 csrss.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe 1620 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 4932 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Token: SeImpersonatePrivilege 4932 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe Token: SeDebugPrivilege 4468 powershell.exe Token: SeDebugPrivilege 560 powershell.exe Token: SeDebugPrivilege 4720 powershell.exe Token: SeDebugPrivilege 3084 powershell.exe Token: SeDebugPrivilege 2492 powershell.exe Token: SeDebugPrivilege 1780 powershell.exe Token: SeSystemEnvironmentPrivilege 2128 csrss.exe Token: SeSecurityPrivilege 1656 sc.exe Token: SeSecurityPrivilege 1656 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4932 wrote to memory of 2288 4932 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 82 PID 4932 wrote to memory of 2288 4932 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 82 PID 4932 wrote to memory of 2288 4932 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 82 PID 3476 wrote to memory of 4468 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 87 PID 3476 wrote to memory of 4468 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 87 PID 3476 wrote to memory of 4468 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 87 PID 3476 wrote to memory of 660 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 89 PID 3476 wrote to memory of 660 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 89 PID 660 wrote to memory of 564 660 cmd.exe 91 PID 660 wrote to memory of 564 660 cmd.exe 91 PID 3476 wrote to memory of 560 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 92 PID 3476 wrote to memory of 560 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 92 PID 3476 wrote to memory of 560 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 92 PID 3476 wrote to memory of 4720 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 94 PID 3476 wrote to memory of 4720 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 94 PID 3476 wrote to memory of 4720 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 94 PID 3476 wrote to memory of 2128 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 96 PID 3476 wrote to memory of 2128 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 96 PID 3476 wrote to memory of 2128 3476 17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe 96 PID 2128 wrote to memory of 3084 2128 csrss.exe 97 PID 2128 wrote to memory of 3084 2128 csrss.exe 97 PID 2128 wrote to memory of 3084 2128 csrss.exe 97 PID 2128 wrote to memory of 2492 2128 csrss.exe 102 PID 2128 wrote to memory of 2492 2128 csrss.exe 102 PID 2128 wrote to memory of 2492 2128 csrss.exe 102 PID 2128 wrote to memory of 1780 2128 csrss.exe 105 PID 2128 wrote to memory of 1780 2128 csrss.exe 105 PID 2128 wrote to memory of 1780 2128 csrss.exe 105 PID 2128 wrote to memory of 1620 2128 csrss.exe 107 PID 2128 wrote to memory of 1620 2128 csrss.exe 107 PID 2364 wrote to memory of 3468 2364 windefender.exe 113 PID 2364 wrote to memory of 3468 2364 windefender.exe 113 PID 2364 wrote to memory of 3468 2364 windefender.exe 113 PID 3468 wrote to memory of 1656 3468 cmd.exe 114 PID 3468 wrote to memory of 1656 3468 cmd.exe 114 PID 3468 wrote to memory of 1656 3468 cmd.exe 114 -
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\17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe"C:\Users\Admin\AppData\Local\Temp\17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2288
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C:\Users\Admin\AppData\Local\Temp\17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.exe"C:\Users\Admin\AppData\Local\Temp\17af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff.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:3476 -
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:4468
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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:660 -
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:564
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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:560
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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:4720
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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:2128 -
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:3084
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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:4144
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4592
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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:2492
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1780
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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:1620
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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:1472
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2364 -
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:3468 -
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:1656
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3896
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD595e8a6eba8b8ad4b955e234728e0b11c
SHA1950029f85cf80ba02afad8e9f211b3f9995d9591
SHA2562bfd819ad66fb87acae15d4bb1a2769b8a18ef280d7a2e584b141b40fa22df60
SHA5127259110ebe09e85916bbb3b2090d26fbf7513776079b8c085bd8add6246f6a0bf3f7227131b1a5c8dde58be2c5f3da89ed2e5c3124cdf237f1237c63c3c4fc0f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551853b52f7120df56812580a1c5771bb
SHA181a2d8509c6814c942d1df4e3477c9e1a53ff1e1
SHA256612f2f3f09532dc02f08d28fe9d18cd10e731e1401be87eda0a18c64e06c854e
SHA51280682029749f4adc05592ca20a5d7f64e67c53bbb283982fd281bdc62188970f1b0876cb6879b693b7201ec01f3a5991b64b16356329471bc56b01c973828ae7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56877d9ba7ba60660d8cd646ab0e51442
SHA1164f2303a18d015ba6913c7d02bb036215eaff76
SHA2565290b817a96b80de42bff3bf04e532449b997e4a7d9fcc010286506b63634387
SHA512df2c3bfc6c97b90dcfae81532c7b4d2b0b6f071b48b53a939fb7c96f9b5e973eb87d45839472e876a4f7a11db3b0e9e1257d191964139a1c05dd98d1108fe4e9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55a1b72ebbc39f2f6c2e683f924b96996
SHA1ebbbf6eb686b2081f8d182d342b62cfd7fef4e8e
SHA256b7e8b712ce886f688a19628974dfaf530cdb0190be92ab1d14491a351eb04268
SHA51290b7d2688abba45383db79f35bf6d3f2df769c8d4caaccc104bc746d557ffe7feb83d9e6da54fa2319ea1ec9678e066e24fb358a7d6ae97ec93dd92f42b764ec
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50b1d51df7a95c710c1292902bb36d69d
SHA1d9b371451b83fe17e8bf2e4b257b9aec59786f5f
SHA25606ff0d16ed30518b46456679f6f98092060d1d64e6440e698197f0eecd4ed81f
SHA5123f1020f52be21076b4f09bf110087be96fa56cbdc852fed0f41edc8e8b853a522effc78a56528a3a8d520c7bdd1f84bee73e0628595b76ef6a26c2c66c84d759
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Filesize
4.2MB
MD515bbabcac0f9cd567f9f802339b10a18
SHA1cc885bf8001c028eb97190fc0295e1d50af3202e
SHA25617af4f0371bdc079aa65042bad33052f915413d0afaa9b6789957997f877a0ff
SHA512cb99a3803cfcc0aebefc206fb5f6573ca40e26864293f0ef0161d45932bd4691f998ba62ca97459cb420215aeb28a84fac2fb2e2a5b951d27292016808aae4a7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec