Analysis
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max time kernel
149s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05/04/2024, 15:20
Static task
static1
Behavioral task
behavioral1
Sample
13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe
Resource
win10v2004-20240226-en
General
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Target
13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe
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Size
4.1MB
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MD5
c97c5c93e53ae9de8549594ba13701be
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SHA1
87e3166a8bea8e82b98c9b93cc21729aea0c0ade
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SHA256
13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51
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SHA512
2afcf7d90463c2eb1a97df021efbb043bdc86849c9ba200201ed19b56ba9fb0281f882b34408582094bdd9b3b444d70d118731e34829cd80e5a73ed418b4d223
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SSDEEP
98304:hniD6CLzfEr1klMSDSPWihze94sBqC+C64NAtFgQ1lEGho6f:EuifEr1kltzz94JCxpNCFNLth7
Malware Config
Signatures
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Glupteba payload 16 IoCs
resource yara_rule behavioral1/memory/2364-2-0x0000000002EB0000-0x000000000379B000-memory.dmp family_glupteba behavioral1/memory/2364-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3928-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3928-56-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral1/memory/2364-57-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3928-137-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3928-155-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/624-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/624-262-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/624-271-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/624-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/624-275-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/624-277-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/624-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/624-281-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/624-283-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2220 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 624 csrss.exe 2836 injector.exe 2748 windefender.exe 1784 windefender.exe -
resource yara_rule behavioral1/files/0x000b0000000231f6-265.dat upx behavioral1/memory/2748-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1784-272-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1784-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1784-282-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Set value (str) \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\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 opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 -
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 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3924 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2880 2364 WerFault.exe 83 5000 2364 WerFault.exe 83 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4868 schtasks.exe 1904 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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\22\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-51 = "Greenland Daylight Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.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\22\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5032 powershell.exe 5032 powershell.exe 2364 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 2364 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 2140 powershell.exe 2140 powershell.exe 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 2324 powershell.exe 2324 powershell.exe 1448 powershell.exe 1448 powershell.exe 2412 powershell.exe 2412 powershell.exe 3548 powershell.exe 3548 powershell.exe 1556 powershell.exe 1556 powershell.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 624 csrss.exe 624 csrss.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 624 csrss.exe 624 csrss.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 624 csrss.exe 624 csrss.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe 2836 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5032 powershell.exe Token: SeDebugPrivilege 2364 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Token: SeImpersonatePrivilege 2364 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe Token: SeDebugPrivilege 2140 powershell.exe Token: SeDebugPrivilege 2324 powershell.exe Token: SeDebugPrivilege 1448 powershell.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeDebugPrivilege 3548 powershell.exe Token: SeDebugPrivilege 1556 powershell.exe Token: SeSystemEnvironmentPrivilege 624 csrss.exe Token: SeSecurityPrivilege 3924 sc.exe Token: SeSecurityPrivilege 3924 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2364 wrote to memory of 5032 2364 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 94 PID 2364 wrote to memory of 5032 2364 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 94 PID 2364 wrote to memory of 5032 2364 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 94 PID 3928 wrote to memory of 2140 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 103 PID 3928 wrote to memory of 2140 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 103 PID 3928 wrote to memory of 2140 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 103 PID 3928 wrote to memory of 3900 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 105 PID 3928 wrote to memory of 3900 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 105 PID 3900 wrote to memory of 2220 3900 cmd.exe 107 PID 3900 wrote to memory of 2220 3900 cmd.exe 107 PID 3928 wrote to memory of 2324 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 108 PID 3928 wrote to memory of 2324 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 108 PID 3928 wrote to memory of 2324 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 108 PID 3928 wrote to memory of 1448 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 111 PID 3928 wrote to memory of 1448 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 111 PID 3928 wrote to memory of 1448 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 111 PID 3928 wrote to memory of 624 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 113 PID 3928 wrote to memory of 624 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 113 PID 3928 wrote to memory of 624 3928 13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe 113 PID 624 wrote to memory of 2412 624 csrss.exe 114 PID 624 wrote to memory of 2412 624 csrss.exe 114 PID 624 wrote to memory of 2412 624 csrss.exe 114 PID 624 wrote to memory of 3548 624 csrss.exe 120 PID 624 wrote to memory of 3548 624 csrss.exe 120 PID 624 wrote to memory of 3548 624 csrss.exe 120 PID 624 wrote to memory of 1556 624 csrss.exe 122 PID 624 wrote to memory of 1556 624 csrss.exe 122 PID 624 wrote to memory of 1556 624 csrss.exe 122 PID 624 wrote to memory of 2836 624 csrss.exe 124 PID 624 wrote to memory of 2836 624 csrss.exe 124 PID 2748 wrote to memory of 4992 2748 windefender.exe 130 PID 2748 wrote to memory of 4992 2748 windefender.exe 130 PID 2748 wrote to memory of 4992 2748 windefender.exe 130 PID 4992 wrote to memory of 3924 4992 cmd.exe 131 PID 4992 wrote to memory of 3924 4992 cmd.exe 131 PID 4992 wrote to memory of 3924 4992 cmd.exe 131 -
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\13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe"C:\Users\Admin\AppData\Local\Temp\13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5032
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C:\Users\Admin\AppData\Local\Temp\13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.exe"C:\Users\Admin\AppData\Local\Temp\13dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51.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:3928 -
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:2140
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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:3900 -
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:2220
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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:2324
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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:1448
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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:624 -
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:2412
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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:4868
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:756
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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:3548
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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:1556
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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:2836
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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:1904
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2748 -
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:4992 -
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:3924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 8002⤵
- Program crash
PID:2880
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 8202⤵
- Program crash
PID:5000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2364 -ip 23641⤵PID:2264
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2364 -ip 23641⤵PID:2168
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1784
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f4256cc2e63699b069f96bca3e6285d5
SHA19e933cdab5d38dabf9b4e8c827d9c4d1a6b1ca23
SHA2568f1a22be5212d61eac06ca93143764a16f5f3dedc913f45bf476ff186ba4a958
SHA512cfdd613008bea18a0646dbe6a9d011caed69bb7229f6b2420376434a0ed3a0a2450ef80e309c7a62be4771aee75c1202cafae05de02332664ec42b2d4fd446c8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ed6268d1314561461040b5fccddaa56f
SHA17a38b322d759297e3057211e21e4c815af040b84
SHA2562cbe8162fb7f4f7564c39d4daafea63a9d3b09c6a11c3f3216b8b27b1caaa577
SHA512f3b046a13b4667349f904cadaa100ed25850f5d83c10cf5b2162ecf4ff0ddc650ad4543fcb752527e72037221a9389955f8bae22909b2ddcaf9f42e154c2ae15
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD527238a1427b0d2ef89c236bf76765284
SHA15b1a4c981195f1783e1ca0d6a821c3052672f167
SHA256721f2c4f384c4ad3dae04a5b93686cc8132887bd6d41481c40ae3339a5d1eb91
SHA512b30d48cb086f6c8c1fa45875dfdbcc870af6e3ed7fbba9c5491d8959b20183689d16a4444ae4b428e9a17f4991d9034289142ddbfcc62926425b78066a50eb56
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD548afed091f8f2ccd0fe66495f16113da
SHA10519c25e4d426e43490579b95d4452949d3ca4ba
SHA2564c2f545f14ce06dbfaa0416d1884ebd80e44f49750b966ce2b263b437ae7d6aa
SHA5128b44e1af72f2d8a6fb09769a88ca2fdb91d4d0dbb97ee7663a98ba1af674b1eaf32f8f45466de73b251bbb78ef7687b0c43e3d6ce0116d3517d9ba5cc0598d50
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a1fb30efa433c667bcab8e5bd1384163
SHA1c47e77f09ad8e2b7144b018b39f6ad7cb8747c14
SHA2566a7f964dfe28008e529f9efcb67aeba4ab807b6ab5363d0442cf15714ed895d8
SHA51244bd554c31473ecb8f2a44f0d5952f5ea34462f2475e1c1d2c14f6e17550548bdb33adbf9d37a9b2c12f02b81c8841d16fd222a3b104a5a858f4881180008802
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Filesize
4.1MB
MD5c97c5c93e53ae9de8549594ba13701be
SHA187e3166a8bea8e82b98c9b93cc21729aea0c0ade
SHA25613dda985069c19a70ce55d53f2d0473725028e26f6b4e9c18b498dcbd3151f51
SHA5122afcf7d90463c2eb1a97df021efbb043bdc86849c9ba200201ed19b56ba9fb0281f882b34408582094bdd9b3b444d70d118731e34829cd80e5a73ed418b4d223
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec