Analysis
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max time kernel
149s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16/05/2024, 15:33
Static task
static1
Behavioral task
behavioral1
Sample
108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe
Resource
win10v2004-20240508-en
General
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Target
108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe
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Size
4.1MB
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MD5
1db79bf5a905bd7fe0d6da7026d75b7b
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SHA1
de6073f281cd5551733de5b67a01444fa17f4cce
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SHA256
108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae
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SHA512
8913fc14ecba54ec668e7948264c700f0d70ee6cef23af63cce1dadbb4ddcfff86f91e74fcfcd951f3e36471e59fc68ab644ce1b7324532de141b86b063a375e
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SSDEEP
98304:wvzBhIm6zIE7SIO2RhCG9zRnSMmyRgCXxFQG9cM:GzBhDcIv8bCGbNmyXXxFQGyM
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/4532-2-0x0000000002D50000-0x000000000363B000-memory.dmp family_glupteba behavioral1/memory/4532-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4520-56-0x0000000002D20000-0x000000000360B000-memory.dmp family_glupteba behavioral1/memory/4532-80-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4520-133-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4872-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4872-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4872-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4872-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4872-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4872-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4872-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4872-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4872-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4872-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4872-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4872-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4180 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4872 csrss.exe 4772 injector.exe 4812 windefender.exe 4372 windefender.exe -
resource yara_rule behavioral1/files/0x0009000000023434-219.dat upx behavioral1/memory/4812-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4372-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4812-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4372-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4372-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe File created C:\Windows\rss\csrss.exe 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.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 456 sc.exe -
pid Process 4944 powershell.exe 1568 powershell.exe 3492 powershell.exe 3752 powershell.exe 2592 powershell.exe 4280 powershell.exe 3268 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 2980 schtasks.exe 4284 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,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-2342 = "Haiti Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.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,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.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,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-352 = "FLE Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-772 = "Montevideo Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4944 powershell.exe 4944 powershell.exe 4532 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4532 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 1568 powershell.exe 1568 powershell.exe 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 3492 powershell.exe 3492 powershell.exe 3752 powershell.exe 3752 powershell.exe 2592 powershell.exe 2592 powershell.exe 4280 powershell.exe 4280 powershell.exe 3268 powershell.exe 3268 powershell.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4872 csrss.exe 4872 csrss.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4872 csrss.exe 4872 csrss.exe 4772 injector.exe 4772 injector.exe 4872 csrss.exe 4872 csrss.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe 4772 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4944 powershell.exe Token: SeDebugPrivilege 4532 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Token: SeImpersonatePrivilege 4532 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe Token: SeDebugPrivilege 1568 powershell.exe Token: SeDebugPrivilege 3492 powershell.exe Token: SeDebugPrivilege 3752 powershell.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 4280 powershell.exe Token: SeDebugPrivilege 3268 powershell.exe Token: SeSystemEnvironmentPrivilege 4872 csrss.exe Token: SeSecurityPrivilege 456 sc.exe Token: SeSecurityPrivilege 456 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4532 wrote to memory of 4944 4532 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 87 PID 4532 wrote to memory of 4944 4532 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 87 PID 4532 wrote to memory of 4944 4532 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 87 PID 4520 wrote to memory of 1568 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 95 PID 4520 wrote to memory of 1568 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 95 PID 4520 wrote to memory of 1568 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 95 PID 4520 wrote to memory of 644 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 98 PID 4520 wrote to memory of 644 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 98 PID 644 wrote to memory of 4180 644 cmd.exe 100 PID 644 wrote to memory of 4180 644 cmd.exe 100 PID 4520 wrote to memory of 3492 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 101 PID 4520 wrote to memory of 3492 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 101 PID 4520 wrote to memory of 3492 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 101 PID 4520 wrote to memory of 3752 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 104 PID 4520 wrote to memory of 3752 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 104 PID 4520 wrote to memory of 3752 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 104 PID 4520 wrote to memory of 4872 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 106 PID 4520 wrote to memory of 4872 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 106 PID 4520 wrote to memory of 4872 4520 108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe 106 PID 4872 wrote to memory of 2592 4872 csrss.exe 107 PID 4872 wrote to memory of 2592 4872 csrss.exe 107 PID 4872 wrote to memory of 2592 4872 csrss.exe 107 PID 4872 wrote to memory of 4280 4872 csrss.exe 112 PID 4872 wrote to memory of 4280 4872 csrss.exe 112 PID 4872 wrote to memory of 4280 4872 csrss.exe 112 PID 4872 wrote to memory of 3268 4872 csrss.exe 115 PID 4872 wrote to memory of 3268 4872 csrss.exe 115 PID 4872 wrote to memory of 3268 4872 csrss.exe 115 PID 4872 wrote to memory of 4772 4872 csrss.exe 118 PID 4872 wrote to memory of 4772 4872 csrss.exe 118 PID 4812 wrote to memory of 1716 4812 windefender.exe 125 PID 4812 wrote to memory of 1716 4812 windefender.exe 125 PID 4812 wrote to memory of 1716 4812 windefender.exe 125 PID 1716 wrote to memory of 456 1716 cmd.exe 126 PID 1716 wrote to memory of 456 1716 cmd.exe 126 PID 1716 wrote to memory of 456 1716 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\108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe"C:\Users\Admin\AppData\Local\Temp\108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4532 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4944
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C:\Users\Admin\AppData\Local\Temp\108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.exe"C:\Users\Admin\AppData\Local\Temp\108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae.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:4520 -
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:1568
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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:644 -
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:4180
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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:3492
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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:3752
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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:4872 -
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:2592
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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:2980
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4920
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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:4280
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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:3268
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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:4772
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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\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4812 -
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:1716 -
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:456
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4372
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
MD53b334bb21a82e8da3088a1a617467242
SHA162a1bcd495601434d471e08c1ea2027cc626d31d
SHA25613d5879fdf4f704a31086325608e9b4e873d1d88697a74693aae8446a86e4bbe
SHA5125a0ea77cf94520da5d1325918efceca015a1ee9fcccabbb10f5d9345c3845cd7636bd6119253d6f857465bfde4f6e07a4914db59d46f7efd37f051f11d049be2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac81d42c7bfc2e6a2502d83c22e3d501
SHA19f890bcc512c8458f2b8c3396df9445ee68514af
SHA256b58758cf81b6c1225276ed6aa43dc2dc0316aadafe0b84f3858dd7598f5115c9
SHA51288be98ca376eb64c81d7cd2d479bd9e5c2a5c5ef6cef993f531dfd8d519977093313b27421a4ca43015223b5c8681e67c0438a3a411bdf6abe3029d90f9f9ed4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d8b052ed2f7fdc3d2b4bca7ea653e75f
SHA10ac03936bbd7ca23dda55fb4a2b6ecb1819303f6
SHA256aa45b2bd9adcd40e19313e30c8f1599326f1daaddb35680d0902093d5ac744af
SHA51261f35b24beab1b031586f6c33dda76b11a0a28af5316144d612ab1f67668b380993749a4b2f1da081037e262ec2d2c972a6167583e95f5047a8de91445de2d82
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ea41c4b838891b038c2cc369a5a06751
SHA18cd094161aaabe13c3744bd681dce73ea55942bd
SHA256a9827b061c84ea0507bb28e10d5ced2d8856ad53ce9b182491a1fe39d2264ded
SHA512461842664d202ee8e9d0b801b910e41dba513a5a2228cacd290ef087f0e547af74b28725107a1bcb8ef3336cbf79b1c5cc0020405e18a30173bf5754ad6c1a2f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f50cded2964e41c8298cd5709f3a7c0
SHA186bbcef7bc2d8ca6c212e82d06e87e2d20e26387
SHA2561dc7f9518541de4627c27bc4310ac69f1cc47483c7396b223f397ed8922832c1
SHA512a9facf753864eb48c168b49f3048876cb783399ba0d9ee85d5ec39d1ac622e985cb88edb91cc54b8bd395a050ef13276e4bf05205142894021305aac3d28895d
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Filesize
4.1MB
MD51db79bf5a905bd7fe0d6da7026d75b7b
SHA1de6073f281cd5551733de5b67a01444fa17f4cce
SHA256108b238f255d5a2f03db79d65ec33f0b15f526c4e71195f5f4fe385cc049c3ae
SHA5128913fc14ecba54ec668e7948264c700f0d70ee6cef23af63cce1dadbb4ddcfff86f91e74fcfcd951f3e36471e59fc68ab644ce1b7324532de141b86b063a375e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec