Analysis
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max time kernel
149s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-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 behavioral1/memory/3620-2-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral1/memory/3620-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3620-55-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3620-67-0x0000000004CF0000-0x00000000055DB000-memory.dmp family_glupteba behavioral1/memory/3620-86-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3660-85-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3660-138-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2976-187-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2976-220-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2976-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2976-236-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2976-240-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2976-244-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2976-248-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2976-252-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2976-256-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2976-260-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2976-264-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2976-268-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1996 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2976 csrss.exe 2228 injector.exe 1484 windefender.exe 1476 windefender.exe -
resource yara_rule behavioral1/files/0x000800000002342d-223.dat upx behavioral1/memory/1484-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1476-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1484-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1476-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1476-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1476-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\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 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 -
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 opened for modification C:\Windows\rss e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe File created C:\Windows\rss\csrss.exe e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.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 4328 sc.exe -
pid Process 4048 powershell.exe 4548 powershell.exe 2112 powershell.exe 5200 powershell.exe 1968 powershell.exe 3644 powershell.exe 3984 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 5280 schtasks.exe 6140 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,-462 = "Afghanistan Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-262 = "GMT Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.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\2a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk 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 powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight 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\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-332 = "E. Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" 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\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.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\TrustedPeople powershell.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,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4048 powershell.exe 4048 powershell.exe 3620 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 3620 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 4548 powershell.exe 4548 powershell.exe 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 2112 powershell.exe 2112 powershell.exe 5200 powershell.exe 5200 powershell.exe 1968 powershell.exe 1968 powershell.exe 3644 powershell.exe 3644 powershell.exe 3984 powershell.exe 3984 powershell.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2976 csrss.exe 2976 csrss.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2976 csrss.exe 2976 csrss.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2976 csrss.exe 2976 csrss.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe 2228 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4048 powershell.exe Token: SeDebugPrivilege 3620 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Token: SeImpersonatePrivilege 3620 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe Token: SeDebugPrivilege 4548 powershell.exe Token: SeDebugPrivilege 2112 powershell.exe Token: SeDebugPrivilege 5200 powershell.exe Token: SeDebugPrivilege 1968 powershell.exe Token: SeDebugPrivilege 3644 powershell.exe Token: SeDebugPrivilege 3984 powershell.exe Token: SeSystemEnvironmentPrivilege 2976 csrss.exe Token: SeSecurityPrivilege 4328 sc.exe Token: SeSecurityPrivilege 4328 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3620 wrote to memory of 4048 3620 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 90 PID 3620 wrote to memory of 4048 3620 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 90 PID 3620 wrote to memory of 4048 3620 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 90 PID 3660 wrote to memory of 4548 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 97 PID 3660 wrote to memory of 4548 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 97 PID 3660 wrote to memory of 4548 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 97 PID 3660 wrote to memory of 2820 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 99 PID 3660 wrote to memory of 2820 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 99 PID 2820 wrote to memory of 1996 2820 cmd.exe 101 PID 2820 wrote to memory of 1996 2820 cmd.exe 101 PID 3660 wrote to memory of 2112 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 102 PID 3660 wrote to memory of 2112 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 102 PID 3660 wrote to memory of 2112 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 102 PID 3660 wrote to memory of 5200 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 104 PID 3660 wrote to memory of 5200 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 104 PID 3660 wrote to memory of 5200 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 104 PID 3660 wrote to memory of 2976 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 106 PID 3660 wrote to memory of 2976 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 106 PID 3660 wrote to memory of 2976 3660 e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31.exe 106 PID 2976 wrote to memory of 1968 2976 csrss.exe 109 PID 2976 wrote to memory of 1968 2976 csrss.exe 109 PID 2976 wrote to memory of 1968 2976 csrss.exe 109 PID 2976 wrote to memory of 3644 2976 csrss.exe 114 PID 2976 wrote to memory of 3644 2976 csrss.exe 114 PID 2976 wrote to memory of 3644 2976 csrss.exe 114 PID 2976 wrote to memory of 3984 2976 csrss.exe 117 PID 2976 wrote to memory of 3984 2976 csrss.exe 117 PID 2976 wrote to memory of 3984 2976 csrss.exe 117 PID 2976 wrote to memory of 2228 2976 csrss.exe 119 PID 2976 wrote to memory of 2228 2976 csrss.exe 119 PID 1484 wrote to memory of 448 1484 windefender.exe 125 PID 1484 wrote to memory of 448 1484 windefender.exe 125 PID 1484 wrote to memory of 448 1484 windefender.exe 125 PID 448 wrote to memory of 4328 448 cmd.exe 126 PID 448 wrote to memory of 4328 448 cmd.exe 126 PID 448 wrote to memory of 4328 448 cmd.exe 126 -
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:3620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4048
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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:3660 -
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:4548
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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:2820 -
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:1996
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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:2112
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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:5200
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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:2976 -
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:1968
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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:5280
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2500
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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:3644
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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:3984
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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:2228
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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:6140
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1484 -
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:448 -
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:4328
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1476
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2980681376c143b18945abc538782ab
SHA1641e2c034dfea4f2371c91ae893ac7e79d1a687e
SHA2569c3f35f79bc489ce3efdbfb7bf7b996d74768156f7eddbdbf502ff5f01803d04
SHA5128630a8d347bf487399ef32eea5b8f7effed008e0246af9388f90afa24df4ff860419e6b18ab2773a9a3d1a359ab237f028466d106be388530d4aa432e908df84
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c93ea92490215ac21de7245d476d6d89
SHA102ad4a98161f2dafb27524d60b792ae718288be6
SHA256c2c46e7b8175e4c878e14058cd600654f27a6b380fa32c495dd37221308f1c5f
SHA5121e796a76a56a4b130bf651000856b6243fa1b8724fa24a34a58f538754bc32e926def5b62e2167250a1c4931b3edf2488776140cc47877008c604ed76eeb2769
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b12f6baa950b6d3b526e58705c33de3e
SHA1bfffef0a6ce1bce4cada0fe76c0e3f573655b636
SHA256bbac6c6535263176d4f6e62d6a79914d02583f2bc309bf68194a21fdb0c297ab
SHA5126b39ff147778aaa845b1af2c18f1279081fca551837ca67d85b6c74b7e5eb6d4daa15f83a30342f9290d20107d067314d017ca0f5ea8b26e27154b44dcbfed77
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ffcfe6d8ea76c80ff513b5a0cd8556d5
SHA1c5ceba1f3445aef3250d36697b1015fdf021bc4b
SHA256b6255c6819bcbe057ee53b18a0f2325db3c8eb01c9f3a1a86249708865a3899e
SHA512f0b24e64c64e6e1309e0e27b91bb5fdc283488b72fa069cb2471099e88a65ccbb11e7cf3276c197b56b6c2649c3185a49feeb91a6434fc08ade1bd4227abd81d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c28cf069cb4d493c6f0d5e3d0ba1ec6
SHA1a04bcb12dd7b88d1a3c1d6eab555c3c8ec4676ab
SHA256580bc0eb250b1f594b932eb5c717c4c9faa0453c0c9d695ff5188ca8adb2de73
SHA51268477b1387ae2a954ae8fe9582a77e8852fe000e98ea2ff83d9bfde3a6856cc233acea9b4c97045b447bdc09742cd015052b5cbecf5b8be47bfd827b448d7363
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Filesize
4.1MB
MD52e762523009ddd6649f06883bf58a68e
SHA1c812243006aa8d5f98f0db3877c430f78bf62b90
SHA256e1fd20fd2b90785a8aa9fabd4f53de4ca80b082e91e6ceaadfd075e34dd5da31
SHA512e15a8f16236949d15db6f8534695ceea0d47b4ae40e90e00edc32c0ac47d92e66000dca051c51c870572792d769ac0d94009e03b7e4649246cae04131685379d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec