Analysis
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max time kernel
150s -
max time network
154s -
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, 19:21
Static task
static1
Behavioral task
behavioral1
Sample
f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe
Resource
win10v2004-20240412-en
General
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Target
f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe
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Size
4.2MB
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MD5
0026971f45cdb3b146e4e105a8023d00
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SHA1
8b69ff1343fece5448f5080faf2fd57e802342fd
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SHA256
f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8
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SHA512
13b7d668d9ffb8eba814455f753dde6acec7bbc887e364dc0a6afe47ec42117fcc31228dc776eb94661d8aa695c8d0379ab571bbbeb6efe6f224105ce13cb70f
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SSDEEP
98304:Lz8muvG4/7oo98xMphVIqHAQJ7eNfIWzS5gC960Xfu6ti9vBy29v:LzvuvT/7/zVIWAQdeNfIWzX0W6tA42h
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/984-2-0x0000000005370000-0x0000000005C5B000-memory.dmp family_glupteba behavioral2/memory/984-3-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/984-44-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4056-55-0x0000000005280000-0x0000000005B6B000-memory.dmp family_glupteba behavioral2/memory/4056-56-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/984-66-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4056-84-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4056-105-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/4056-150-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2756-214-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2756-247-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2756-257-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2756-260-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2756-263-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2756-266-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2756-269-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2756-272-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2756-275-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba behavioral2/memory/2756-278-0x0000000000400000-0x000000000310E000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2180 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2756 csrss.exe 1684 injector.exe 1764 windefender.exe 3636 windefender.exe -
resource yara_rule behavioral2/files/0x000a00000002a9d3-250.dat upx behavioral2/memory/1764-256-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3636-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3636-265-0x0000000000400000-0x00000000008DF000-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\"" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.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 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe File created C:\Windows\rss\csrss.exe f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe File created 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 2564 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 3856 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\26\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs 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\26\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\26\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\26\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.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,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3464 powershell.exe 3464 powershell.exe 984 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 984 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 4948 powershell.exe 4948 powershell.exe 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 4916 powershell.exe 4916 powershell.exe 1444 powershell.exe 1444 powershell.exe 4868 powershell.exe 4868 powershell.exe 4344 powershell.exe 4344 powershell.exe 5568 powershell.exe 5568 powershell.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 2756 csrss.exe 2756 csrss.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 2756 csrss.exe 2756 csrss.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 2756 csrss.exe 2756 csrss.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe 1684 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3464 powershell.exe Token: SeDebugPrivilege 984 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Token: SeImpersonatePrivilege 984 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe Token: SeDebugPrivilege 4948 powershell.exe Token: SeDebugPrivilege 4916 powershell.exe Token: SeDebugPrivilege 1444 powershell.exe Token: SeDebugPrivilege 4868 powershell.exe Token: SeDebugPrivilege 4344 powershell.exe Token: SeDebugPrivilege 5568 powershell.exe Token: SeSystemEnvironmentPrivilege 2756 csrss.exe Token: SeSecurityPrivilege 2564 sc.exe Token: SeSecurityPrivilege 2564 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 984 wrote to memory of 3464 984 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 82 PID 984 wrote to memory of 3464 984 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 82 PID 984 wrote to memory of 3464 984 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 82 PID 4056 wrote to memory of 4948 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 87 PID 4056 wrote to memory of 4948 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 87 PID 4056 wrote to memory of 4948 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 87 PID 4056 wrote to memory of 5472 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 89 PID 4056 wrote to memory of 5472 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 89 PID 5472 wrote to memory of 2180 5472 cmd.exe 91 PID 5472 wrote to memory of 2180 5472 cmd.exe 91 PID 4056 wrote to memory of 4916 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 92 PID 4056 wrote to memory of 4916 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 92 PID 4056 wrote to memory of 4916 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 92 PID 4056 wrote to memory of 1444 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 95 PID 4056 wrote to memory of 1444 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 95 PID 4056 wrote to memory of 1444 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 95 PID 4056 wrote to memory of 2756 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 98 PID 4056 wrote to memory of 2756 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 98 PID 4056 wrote to memory of 2756 4056 f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe 98 PID 2756 wrote to memory of 4868 2756 csrss.exe 99 PID 2756 wrote to memory of 4868 2756 csrss.exe 99 PID 2756 wrote to memory of 4868 2756 csrss.exe 99 PID 2756 wrote to memory of 4344 2756 csrss.exe 106 PID 2756 wrote to memory of 4344 2756 csrss.exe 106 PID 2756 wrote to memory of 4344 2756 csrss.exe 106 PID 2756 wrote to memory of 5568 2756 csrss.exe 108 PID 2756 wrote to memory of 5568 2756 csrss.exe 108 PID 2756 wrote to memory of 5568 2756 csrss.exe 108 PID 2756 wrote to memory of 1684 2756 csrss.exe 113 PID 2756 wrote to memory of 1684 2756 csrss.exe 113 PID 1764 wrote to memory of 2020 1764 windefender.exe 119 PID 1764 wrote to memory of 2020 1764 windefender.exe 119 PID 1764 wrote to memory of 2020 1764 windefender.exe 119 PID 2020 wrote to memory of 2564 2020 cmd.exe 120 PID 2020 wrote to memory of 2564 2020 cmd.exe 120 PID 2020 wrote to memory of 2564 2020 cmd.exe 120 -
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\f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe"C:\Users\Admin\AppData\Local\Temp\f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:984 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3464
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C:\Users\Admin\AppData\Local\Temp\f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.exe"C:\Users\Admin\AppData\Local\Temp\f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8.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:4056 -
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:4948
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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:5472 -
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:2180
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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:4916
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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:1444
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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:2756 -
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:4868
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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:3856
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5480
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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:4344
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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:5568
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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:1684
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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:1764 -
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:2020 -
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:2564
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3636
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
MD5a33ea37b183671af083473793db6ccc9
SHA1d2d9318696b18dbb5afbd0bb86b6a7cc7bb238c2
SHA256a477d55973f346eef86b22a8d0d6f3ec7838a25a98b03d5cd2346e412afd723b
SHA5126c63c595d08a5a3337259306c4bb20e98cd807997e49cdec8d2839b1ccc1666940c2505b21fd3b5364b058538db983276f90b4eb70f77412b56f2ec451d2c091
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56e19de78592c6fb55abf908b767cc456
SHA1bf839320be91f00adc8b3a53428a0e418ed3691c
SHA256bc63f43b989da3ff79a0c4992859ef1fb46d9cdf6bec45d582b533e6f2b558db
SHA512bc2840dc69e1676ee454127b233b5900ce5470d37a3d01a276689369be3fabe5c9cdbad7f4c9f8db707e637ecaa154796682f64bf75a228b389b2450ee19b588
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e32277e945024f5745f476fa14b2416b
SHA1a976c47dd6fe45e032788bd8500977ee00c966ff
SHA2569fbbdf9879f25aec062c5fa477b64a0662a1e8d593ed2fa147b6e73cf6af971c
SHA51217358b4e2b38778cfd7e54bec7596b7b245c654191dae96e0413d98c624379a5165b018ce016060592968aae375caec9d57c7925f939b0b6b6783437bcaedc01
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d24f8a8ce0ef2e1c04888ca755232a2e
SHA19a1c57f93fcb39dcb1cbe3d425ec19e253b990d1
SHA2565c1eccebbc2a0a2e0df406a10ba0faf95e2eba57b5423cc8a9f8472116bc524d
SHA5127927057cd5a0aeb507e90c84f7c4130fdc74c65532eadce8d79e8e2a13b9d780be5eed313374bfbb8e2e9866b15133ea72f7654fbe4b9ddfe75d5756f907f120
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb34d4404d41d5e67c7729ddaaba2ba5
SHA167c7ac57c7407c02c6775c42c6e1f472d259600b
SHA2569bc86d1d1f499534178a695bcca9eefd2d6c54f930097151c8f810e4dd25087b
SHA51212d259dc08d7ee9ec61a00b6b6fc541f2084a07b0023193b588d5931a23398d39cd8c13efb21e9dfa678f79890178b6962ae5e8462401523870b5fb7a05502cc
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Filesize
4.2MB
MD50026971f45cdb3b146e4e105a8023d00
SHA18b69ff1343fece5448f5080faf2fd57e802342fd
SHA256f70f95ed534161122975544c706cd73590273b15e93400debaf61a726cb8efe8
SHA51213b7d668d9ffb8eba814455f753dde6acec7bbc887e364dc0a6afe47ec42117fcc31228dc776eb94661d8aa695c8d0379ab571bbbeb6efe6f224105ce13cb70f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec