Analysis
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max time kernel
149s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
13-05-2024 17:34
Static task
static1
Behavioral task
behavioral1
Sample
ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
Resource
win10v2004-20240508-en
General
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Target
ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe
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Size
4.1MB
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MD5
f1731c50d2a84e66e854c7ca9f24be40
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SHA1
755ae7cf6a7b377e2631f8656cd21ab4abc9fdb5
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SHA256
ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd
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SHA512
7380f0796feaff6dbd4be2901290a32f335d1418ea745a61c4786c1b21c6de5fc83f7a859487a332469ddc21cb6dd1ecc57e2ad280ba63cb45c5f2e233795902
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SSDEEP
98304:0pMzL5+lO9W76PsoCApCyikUKUcOjCi32ayWjPGQw0uKEhKuf:0Cz0Ow78YApCVkUKUXCi327kurTvhKA
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/548-2-0x0000000004BD0000-0x00000000054BB000-memory.dmp family_glupteba behavioral1/memory/548-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/548-4-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/548-56-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/548-58-0x0000000004BD0000-0x00000000054BB000-memory.dmp family_glupteba behavioral1/memory/548-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/376-81-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/376-136-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4304-140-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4304-220-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4304-231-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4304-233-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4304-236-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4304-239-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4304-243-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4304-245-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4304-248-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4304-251-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral1/memory/4304-255-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5016 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4304 csrss.exe 1008 injector.exe 4704 windefender.exe 5004 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023416-224.dat upx behavioral1/memory/4704-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5004-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4704-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5004-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/5004-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe File created C:\Windows\rss\csrss.exe ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.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 5012 sc.exe -
pid Process 2880 powershell.exe 2252 powershell.exe 1092 powershell.exe 1660 powershell.exe 3148 powershell.exe 4508 powershell.exe 2368 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 4284 schtasks.exe 3320 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\@tzres.dll,-1501 = "Turkey 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" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.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,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard 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,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.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,-2372 = "Easter Island Standard 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\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2491 = "Aus Central W. Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs 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,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-292 = "Central European Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.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,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1660 powershell.exe 1660 powershell.exe 548 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 548 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 3148 powershell.exe 3148 powershell.exe 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 4508 powershell.exe 4508 powershell.exe 2368 powershell.exe 2368 powershell.exe 2880 powershell.exe 2880 powershell.exe 2252 powershell.exe 2252 powershell.exe 1092 powershell.exe 1092 powershell.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 4304 csrss.exe 4304 csrss.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 4304 csrss.exe 4304 csrss.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 4304 csrss.exe 4304 csrss.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe 1008 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1660 powershell.exe Token: SeDebugPrivilege 548 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Token: SeImpersonatePrivilege 548 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe Token: SeDebugPrivilege 3148 powershell.exe Token: SeDebugPrivilege 4508 powershell.exe Token: SeDebugPrivilege 2368 powershell.exe Token: SeDebugPrivilege 2880 powershell.exe Token: SeDebugPrivilege 2252 powershell.exe Token: SeDebugPrivilege 1092 powershell.exe Token: SeSystemEnvironmentPrivilege 4304 csrss.exe Token: SeSecurityPrivilege 5012 sc.exe Token: SeSecurityPrivilege 5012 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 548 wrote to memory of 1660 548 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 89 PID 548 wrote to memory of 1660 548 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 89 PID 548 wrote to memory of 1660 548 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 89 PID 376 wrote to memory of 3148 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 94 PID 376 wrote to memory of 3148 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 94 PID 376 wrote to memory of 3148 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 94 PID 376 wrote to memory of 4968 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 98 PID 376 wrote to memory of 4968 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 98 PID 4968 wrote to memory of 5016 4968 cmd.exe 100 PID 4968 wrote to memory of 5016 4968 cmd.exe 100 PID 376 wrote to memory of 4508 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 101 PID 376 wrote to memory of 4508 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 101 PID 376 wrote to memory of 4508 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 101 PID 376 wrote to memory of 2368 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 103 PID 376 wrote to memory of 2368 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 103 PID 376 wrote to memory of 2368 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 103 PID 376 wrote to memory of 4304 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 105 PID 376 wrote to memory of 4304 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 105 PID 376 wrote to memory of 4304 376 ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe 105 PID 4304 wrote to memory of 2880 4304 csrss.exe 106 PID 4304 wrote to memory of 2880 4304 csrss.exe 106 PID 4304 wrote to memory of 2880 4304 csrss.exe 106 PID 4304 wrote to memory of 2252 4304 csrss.exe 112 PID 4304 wrote to memory of 2252 4304 csrss.exe 112 PID 4304 wrote to memory of 2252 4304 csrss.exe 112 PID 4304 wrote to memory of 1092 4304 csrss.exe 114 PID 4304 wrote to memory of 1092 4304 csrss.exe 114 PID 4304 wrote to memory of 1092 4304 csrss.exe 114 PID 4304 wrote to memory of 1008 4304 csrss.exe 116 PID 4304 wrote to memory of 1008 4304 csrss.exe 116 PID 4704 wrote to memory of 2276 4704 windefender.exe 123 PID 4704 wrote to memory of 2276 4704 windefender.exe 123 PID 4704 wrote to memory of 2276 4704 windefender.exe 123 PID 2276 wrote to memory of 5012 2276 cmd.exe 124 PID 2276 wrote to memory of 5012 2276 cmd.exe 124 PID 2276 wrote to memory of 5012 2276 cmd.exe 124 -
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\ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe"C:\Users\Admin\AppData\Local\Temp\ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1660
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C:\Users\Admin\AppData\Local\Temp\ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.exe"C:\Users\Admin\AppData\Local\Temp\ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd.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:376 -
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:3148
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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:4968 -
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:5016
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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:4508
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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:2368
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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:4304 -
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:2880
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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:4284
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3756
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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:2252
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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:1092
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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:1008
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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:3320
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4704 -
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:2276 -
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:5012
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:5004
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
MD5d3fb81eebe68e3a5062e737e3cdc9aaa
SHA107e15b35dc00db9bdb5fef69aa63918ac78c9606
SHA256f1ead3aac9c782799860ab802fcc268c4dd19d035f53894b7ece51765c7829aa
SHA51206992809d27897f9165867285ad68600df9e5916228cfcb0c68a2f5872db4782f82152b8ee673a19e65b3f918eaa0753abbdff06a52a89fe114b9c1f9d1b5740
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58bdc1badfbb60849522177369059a440
SHA18ef39e533ececec03896c7c61d4d47b9617a9453
SHA256c808bce69c8a1d04703038e7772407d35714ad2fa5704de5a1da5631493f60e7
SHA512bfdeee12b4fb569c49db5769a7fb89c5ad5e2e3d08d806f59f4269d51fee68fbe46c6df2f103d1cef4c7453d6a9f33d309dcd8ffb6862965891ae41621017ce5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59b1e97f62070153e0161dbc84e165640
SHA118135bec3194d42120fe908ebf1cdbae022b76db
SHA256ac86314c168a4445f703213fb1515c87c84b3183bfaca0418654903455d1f6e2
SHA512642d7e20a4b86ba1d1df1c14f273b87eb9aa508eaba7fda9f5d44f8de322369f21748f95ba0f67bd8c30b6b738b93760a9232dde2cc35a8208049e761fccfb7b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558283fa0c776340c062599cb8c01a82e
SHA13bb1e268bf7fd62dea278b9f34b977aaf868e21d
SHA256448011d1679a45c1da892ba4520c779061fa13964bbfe2565c8f7ed2ddbdd528
SHA512d7324931600fb289877e61632e6e62f618eb2b0d3cdcd6524dcb3750d9eacfb24a12ae17728543ab812121a743bbd629b68e9aaa1298dfc7cb725f1d44adb71e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b5d052954061c0706c1fff9ffde073f1
SHA1024e49eacd860cf482f3496b8e313bcee52d4ad0
SHA256c91490677be3f4fdc5bf9a7e2e7898adaf1d0fb409f64cf15a92952300576214
SHA512fd3d0e013289ff92d025ca2b2e93377193b696fb712729c0405a0aba246179e5b2736cf74045afac058c413fb0deffb11004e2ce00f96fa12990b49afa73d677
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Filesize
4.1MB
MD5f1731c50d2a84e66e854c7ca9f24be40
SHA1755ae7cf6a7b377e2631f8656cd21ab4abc9fdb5
SHA256ec92ecdf746e288fa4f54cd5c118c47fe056bdbdd32934da7d3c438bbf115fcd
SHA5127380f0796feaff6dbd4be2901290a32f335d1418ea745a61c4786c1b21c6de5fc83f7a859487a332469ddc21cb6dd1ecc57e2ad280ba63cb45c5f2e233795902
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec