Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19/04/2024, 19:53
Static task
static1
Behavioral task
behavioral1
Sample
348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe
Resource
win10v2004-20240412-en
General
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Target
348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe
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Size
4.2MB
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MD5
a10bcc6a85c9c95dc26a9f2ddac2a3d8
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SHA1
c31741a560b5e2997484e01caa69bfa55ca0ea62
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SHA256
348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0
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SHA512
c9ec8459393d43e7bc48b9ee17ef33f8b441d3b27e2c56aa119be714a524c3fa97dac2ecb7395a95a40f16d7dc0c2b44f54748a5efeb58711a72106a3746a153
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SSDEEP
98304:J00QK3N3Jc8wpX9Ml+P+WnP01raAvqFLRTemOJzdkXGH:LpJcNpX++PyaASVpB6k+
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2088-2-0x0000000004110000-0x00000000049FB000-memory.dmp family_glupteba behavioral1/memory/2088-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2088-57-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/3016-58-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/2088-59-0x0000000004110000-0x00000000049FB000-memory.dmp family_glupteba behavioral1/memory/3016-158-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-263-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-272-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-273-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-276-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-278-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-280-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-282-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-284-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-285-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-288-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-290-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-292-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral1/memory/4652-294-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1964 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4652 csrss.exe 2700 injector.exe 4424 windefender.exe 3772 windefender.exe -
resource yara_rule behavioral1/files/0x0007000000023437-266.dat upx behavioral1/memory/4424-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3772-274-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3772-277-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\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 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe File created C:\Windows\rss\csrss.exe 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.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 4708 sc.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2412 2088 WerFault.exe 85 4352 3016 WerFault.exe 94 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1600 schtasks.exe 3296 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,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-1931 = "Russia TZ 11 Daylight Time" windefender.exe 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,-191 = "Mountain Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-331 = "E. Europe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.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" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.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\26\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight 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\@tzres.dll,-105 = "Central Brazilian 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" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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,-741 = "New Zealand Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5012 powershell.exe 5012 powershell.exe 2088 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 2088 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3120 powershell.exe 3120 powershell.exe 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 1332 powershell.exe 1332 powershell.exe 1332 powershell.exe 1088 powershell.exe 1088 powershell.exe 1088 powershell.exe 1084 powershell.exe 1084 powershell.exe 1084 powershell.exe 2392 powershell.exe 2392 powershell.exe 2392 powershell.exe 3828 powershell.exe 3828 powershell.exe 3828 powershell.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 4652 csrss.exe 4652 csrss.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 4652 csrss.exe 4652 csrss.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 4652 csrss.exe 4652 csrss.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe 2700 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5012 powershell.exe Token: SeDebugPrivilege 2088 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Token: SeImpersonatePrivilege 2088 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe Token: SeDebugPrivilege 3120 powershell.exe Token: SeDebugPrivilege 1332 powershell.exe Token: SeDebugPrivilege 1088 powershell.exe Token: SeDebugPrivilege 1084 powershell.exe Token: SeDebugPrivilege 2392 powershell.exe Token: SeDebugPrivilege 3828 powershell.exe Token: SeSystemEnvironmentPrivilege 4652 csrss.exe Token: SeSecurityPrivilege 4708 sc.exe Token: SeSecurityPrivilege 4708 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2088 wrote to memory of 5012 2088 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 110 PID 2088 wrote to memory of 5012 2088 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 110 PID 2088 wrote to memory of 5012 2088 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 110 PID 3016 wrote to memory of 3120 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 98 PID 3016 wrote to memory of 3120 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 98 PID 3016 wrote to memory of 3120 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 98 PID 3016 wrote to memory of 4008 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 105 PID 3016 wrote to memory of 4008 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 105 PID 4008 wrote to memory of 1964 4008 cmd.exe 107 PID 4008 wrote to memory of 1964 4008 cmd.exe 107 PID 3016 wrote to memory of 1332 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 108 PID 3016 wrote to memory of 1332 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 108 PID 3016 wrote to memory of 1332 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 108 PID 3016 wrote to memory of 1088 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 112 PID 3016 wrote to memory of 1088 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 112 PID 3016 wrote to memory of 1088 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 112 PID 3016 wrote to memory of 4652 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 114 PID 3016 wrote to memory of 4652 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 114 PID 3016 wrote to memory of 4652 3016 348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe 114 PID 4652 wrote to memory of 1084 4652 csrss.exe 117 PID 4652 wrote to memory of 1084 4652 csrss.exe 117 PID 4652 wrote to memory of 1084 4652 csrss.exe 117 PID 4652 wrote to memory of 2392 4652 csrss.exe 124 PID 4652 wrote to memory of 2392 4652 csrss.exe 124 PID 4652 wrote to memory of 2392 4652 csrss.exe 124 PID 4652 wrote to memory of 3828 4652 csrss.exe 126 PID 4652 wrote to memory of 3828 4652 csrss.exe 126 PID 4652 wrote to memory of 3828 4652 csrss.exe 126 PID 4652 wrote to memory of 2700 4652 csrss.exe 128 PID 4652 wrote to memory of 2700 4652 csrss.exe 128 PID 4424 wrote to memory of 4352 4424 windefender.exe 135 PID 4424 wrote to memory of 4352 4424 windefender.exe 135 PID 4424 wrote to memory of 4352 4424 windefender.exe 135 PID 4352 wrote to memory of 4708 4352 cmd.exe 136 PID 4352 wrote to memory of 4708 4352 cmd.exe 136 PID 4352 wrote to memory of 4708 4352 cmd.exe 136 -
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\348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe"C:\Users\Admin\AppData\Local\Temp\348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5012
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C:\Users\Admin\AppData\Local\Temp\348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.exe"C:\Users\Admin\AppData\Local\Temp\348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0.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:3016 -
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:3120
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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:4008 -
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:1964
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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:1332
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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:1088
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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:4652 -
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:1084
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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:1600
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3588
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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:2392
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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:3828
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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:2700
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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:3296
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4424 -
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:4352 -
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:4708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 8443⤵
- Program crash
PID:4352
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 6522⤵
- Program crash
PID:2412
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2088 -ip 20881⤵PID:3596
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.11⤵PID:5012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3016 -ip 30161⤵PID:2268
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3772
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
MD5bf2fab87e25d1870bc2f67f372e0ef11
SHA1b8789c5431a3c1fafb8df45cf374bd32c0901324
SHA256954be8ecbc6b28834a996e02dd962c786b905116d6a6bc2316dddb7bafc77679
SHA5122e3ec6621a13d849b222d853066fdafd227fde151fb81da226751186f5304c18e3ac9c5880ed9ad39855c0c6a5eaebf258a23848b3468fbad92fd3fdf354b9de
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a580943b899f6d2e90450d7cf9bbd021
SHA1bdcd8b579a850446995d248ca97523e2901169ac
SHA2566c9463623792f9ae146727bbefc92e75403a5391898d0d77132ee3f1a0f0d8a6
SHA5126b714f73c37acc8bcc777a80456ad647196d11497602706b5694493e90f69da5a574ec51468f67b5ffaa21aa52b13267ba9384f7d4c7b86d99abad3a0ecb7ae8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fdf1212ef45e548e2d910a7adcb6d239
SHA1539b17607b7790e885acae0dac2d0edc3bed2a72
SHA25666ea560b98f8bb870a9a189ee400a1e0ea33b83f003c7345fdd471b103f7b651
SHA51220daf13f00794e221d2585c426c7ab26110402c210c7b1a2b3b1829809f8c0f08588a1add3d6ae8bdc32af963d8f8d6da2dbc19ee1ae3d71c201391de21a7252
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55552b3175e86f531c9fa200a118a3904
SHA16ba5ebeb77d211f4105ba41c8b5783e67a752f97
SHA25685ed7c20abc56a9690a7392c77619a98d1c2b5b72f949fb85f7fcb0015dcf4a4
SHA512e6dd80c7b92ea6eb961d747c9f77ae7e61d6b6b2b209a424c5327c0df4c5c278d3a69329c0171aaecc51f47cde3407b8f3b97f5d91a8690548b6d1df02e0015e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD592712dc9eb37afa452131c42d00cd0a2
SHA126e7a1d56962cbc8891f128effdf719eafb67c20
SHA2560211d07cca639e97673392070c75d22b25f00bcf45e487385731d39ff219bc46
SHA51215fca180b2de69ef8dcc9f5962d66b65f50d01b80ef0ff9ed1d696f03f2be11627fd626f996bb780401993d6d22a0290a77090aacf24cb46edbf937330620c0b
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Filesize
4.2MB
MD5a10bcc6a85c9c95dc26a9f2ddac2a3d8
SHA1c31741a560b5e2997484e01caa69bfa55ca0ea62
SHA256348d3eddfad8f776c09daa27f55b651906a27edb39429de161206b7709387fd0
SHA512c9ec8459393d43e7bc48b9ee17ef33f8b441d3b27e2c56aa119be714a524c3fa97dac2ecb7395a95a40f16d7dc0c2b44f54748a5efeb58711a72106a3746a153
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec