Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
15-05-2024 15:35
Static task
static1
Behavioral task
behavioral1
Sample
e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe
Resource
win10v2004-20240426-en
General
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Target
e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe
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Size
4.1MB
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MD5
2e762523009ddd6649f06883bf58a68e
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SHA1
c812243006aa8d5f98f0db3877c430f78bf62b90
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SHA256
e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31
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SHA512
e15a8f16236949d15db6f8534695ceea0d47b4ae40e90e00edc32c0ac47d92e66000dca051c51c870572792d769ac0d94009e03b7e4649246cae04131685379d
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SSDEEP
98304:04ziXPD6JlCwAB9MdaGWF4olx/WA7Yvzbb8JpN8:04G/GRAB9MdaGBolx/Wzui
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/884-2-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral2/memory/884-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/884-24-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/884-68-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral2/memory/884-65-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/4112-75-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/884-98-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4112-125-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/776-159-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/776-200-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/776-212-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/776-216-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/776-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/776-224-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/776-228-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/776-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/776-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/776-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral2/memory/776-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4932 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 776 csrss.exe 1644 injector.exe 3512 windefender.exe 1140 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f6-204.dat upx behavioral2/memory/3512-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1140-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3512-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1140-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1140-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\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 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe File created C:\Windows\rss\csrss.exe e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3472 sc.exe -
pid Process 3136 powershell.exe 1064 powershell.exe 4552 powershell.exe 3696 powershell.exe 3156 powershell.exe 2460 powershell.exe 3796 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2220 3156 WerFault.exe 82 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1944 schtasks.exe 2368 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.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\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.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\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-281 = "Central Europe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3156 powershell.exe 3156 powershell.exe 884 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 884 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 2460 powershell.exe 2460 powershell.exe 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 3796 powershell.exe 3796 powershell.exe 3136 powershell.exe 3136 powershell.exe 1064 powershell.exe 1064 powershell.exe 4552 powershell.exe 4552 powershell.exe 3696 powershell.exe 3696 powershell.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 776 csrss.exe 1644 injector.exe 776 csrss.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 776 csrss.exe 776 csrss.exe 1644 injector.exe 1644 injector.exe 776 csrss.exe 776 csrss.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe 1644 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3156 powershell.exe Token: SeDebugPrivilege 884 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Token: SeImpersonatePrivilege 884 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Token: SeDebugPrivilege 2460 powershell.exe Token: SeDebugPrivilege 3796 powershell.exe Token: SeDebugPrivilege 3136 powershell.exe Token: SeDebugPrivilege 1064 powershell.exe Token: SeDebugPrivilege 4552 powershell.exe Token: SeDebugPrivilege 3696 powershell.exe Token: SeSystemEnvironmentPrivilege 776 csrss.exe Token: SeSecurityPrivilege 3472 sc.exe Token: SeSecurityPrivilege 3472 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 884 wrote to memory of 3156 884 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 82 PID 884 wrote to memory of 3156 884 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 82 PID 884 wrote to memory of 3156 884 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 82 PID 4112 wrote to memory of 2460 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 90 PID 4112 wrote to memory of 2460 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 90 PID 4112 wrote to memory of 2460 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 90 PID 4112 wrote to memory of 1668 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 92 PID 4112 wrote to memory of 1668 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 92 PID 1668 wrote to memory of 4932 1668 cmd.exe 94 PID 1668 wrote to memory of 4932 1668 cmd.exe 94 PID 4112 wrote to memory of 3796 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 95 PID 4112 wrote to memory of 3796 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 95 PID 4112 wrote to memory of 3796 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 95 PID 4112 wrote to memory of 3136 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 97 PID 4112 wrote to memory of 3136 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 97 PID 4112 wrote to memory of 3136 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 97 PID 4112 wrote to memory of 776 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 99 PID 4112 wrote to memory of 776 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 99 PID 4112 wrote to memory of 776 4112 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 99 PID 776 wrote to memory of 1064 776 csrss.exe 100 PID 776 wrote to memory of 1064 776 csrss.exe 100 PID 776 wrote to memory of 1064 776 csrss.exe 100 PID 776 wrote to memory of 4552 776 csrss.exe 106 PID 776 wrote to memory of 4552 776 csrss.exe 106 PID 776 wrote to memory of 4552 776 csrss.exe 106 PID 776 wrote to memory of 3696 776 csrss.exe 108 PID 776 wrote to memory of 3696 776 csrss.exe 108 PID 776 wrote to memory of 3696 776 csrss.exe 108 PID 776 wrote to memory of 1644 776 csrss.exe 110 PID 776 wrote to memory of 1644 776 csrss.exe 110 PID 3512 wrote to memory of 4136 3512 windefender.exe 116 PID 3512 wrote to memory of 4136 3512 windefender.exe 116 PID 3512 wrote to memory of 4136 3512 windefender.exe 116 PID 4136 wrote to memory of 3472 4136 cmd.exe 117 PID 4136 wrote to memory of 3472 4136 cmd.exe 117 PID 4136 wrote to memory of 3472 4136 cmd.exe 117 -
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\e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe"C:\Users\Admin\AppData\Local\Temp\e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3156 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 25083⤵
- Program crash
PID:2220
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C:\Users\Admin\AppData\Local\Temp\e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe"C:\Users\Admin\AppData\Local\Temp\e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.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:4112 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2460
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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:1668 -
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:4932
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3796
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3136
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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:776 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1064
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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:1944
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5052
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4552
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3696
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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:1644
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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:2368
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3512 -
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:4136 -
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:3472
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3156 -ip 31561⤵PID:4756
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1140
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
MD5282d9a6372891f778bf5fc96c6d033cb
SHA140708259f5205f0132da00890025beda4469a6b9
SHA2567362c0c5febc744328fa4db1e1400c3e67bd49cfa168c0985968699b131bda3b
SHA51219aa7cc2a0c3d2b3a92f1d84a661ca3220c157874b1972fc157b33cba4ef2955456addea4c458a1b4a11196d22257bb9c4bdb35b442862383c2f571231f1d7c5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5791708958a117bce15674703720853d7
SHA1812ab6cfc9fe5360275ddb73b31a4da70756002f
SHA256cb637eb63a22fafa646296023c9956a03051edc3d960009de4da0b00ca7d9dfb
SHA512050bca56731c74780a3eb03b2dcea3026258d8cf2db04d7933bf0574df9a2cbecb30cee0abff5be21adbd4e1b4fee744a9222be6dc0fdf8fa519ba1041789d9e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c59757e0dccde375e8e2e17732667bf6
SHA13a931a30f90eb44d5b083ef0af0cd56fc0bc153e
SHA25687083c9194f751c0cb391ec856c5957907ca5e6c2c64d36e2d773d3c4c912c26
SHA512ceda87ccb6e1272f7cb413c4bb498e8c6c9c2185e1c14885c7958e8fafd05e0f95de65f6509e599a6ca3a42109d9fb463c122d93754fe2d09b3f9318d334d751
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5362f7c4cbb12d141cee7c24ce9c932e5
SHA1b78323918f86752ab46dfbfbe9dc98d2af23874e
SHA25623fe366cbf8dfa709af86e23745df548a366c6e2a2ac93229816741176da3661
SHA512541074e9c3b10358c8033a4d909265a19a98808cd1df562974572147f5471f4599c352e832353bae3935b96a611bd94cc4f631a66bd053401435d62685189621
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a22404b982333459e75147eebeb7b5c3
SHA1589521c9f16b2001e41416f9604085b7d4419918
SHA25671669bf1585016e9e17adbda0acd9458c80f7cd3b032d47dbde32df7124434a3
SHA512db01bbadc16efb80a8402c0cfd8930b8395bee131aa1c8afcd2be2c06075939ad99ff05d3b1f1c21dc8db92ab5ddb96289d4e97c447429b467fd7a77133bef79
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Filesize
4.1MB
MD52e762523009ddd6649f06883bf58a68e
SHA1c812243006aa8d5f98f0db3877c430f78bf62b90
SHA256e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31
SHA512e15a8f16236949d15db6f8534695ceea0d47b4ae40e90e00edc32c0ac47d92e66000dca051c51c870572792d769ac0d94009e03b7e4649246cae04131685379d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec