Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
23-04-2024 15:41
Static task
static1
Behavioral task
behavioral1
Sample
6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe
Resource
win10v2004-20240412-en
General
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Target
6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe
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Size
4.2MB
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MD5
23ab08f56afa3adef21e733386246b2d
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SHA1
1a645daccce8bb8fe0f3b967136f8c46dc87cf79
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SHA256
6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559
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SHA512
1dba2aabbf8008141c8817d0ae05e313fad67cb203535427ac2024a3c24b3dea397661bb5060143fa6f9c7493de1ec26935241cf10a4e18b7e1b208ab90cd9b6
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SSDEEP
98304:9+Gg6aXQ+/QyN9wV3/YhHbVpnwBVKjBiw+3St8Knu:OXQwQ89A3/Y5DnwBWu3Q8Ku
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/980-2-0x00000000067E0000-0x00000000070CB000-memory.dmp family_glupteba behavioral2/memory/2556-52-0x0000000006580000-0x0000000006E6B000-memory.dmp family_glupteba behavioral2/memory/980-67-0x00000000067E0000-0x00000000070CB000-memory.dmp family_glupteba behavioral2/memory/980-99-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/2556-160-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-240-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-243-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-246-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-257-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-260-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-265-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-269-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-272-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-277-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-281-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-285-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-289-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba behavioral2/memory/4704-293-0x0000000000400000-0x0000000004426000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4860 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4704 csrss.exe 688 injector.exe 4496 windefender.exe 2904 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9bb-249.dat upx behavioral2/memory/4496-254-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2904-259-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2904-267-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\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 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 -
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 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe File created C:\Windows\rss\csrss.exe 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.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 1148 sc.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 3272 schtasks.exe 3460 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\26\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3141 = "South Sudan Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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\26\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain 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 (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\26\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1016 powershell.exe 1016 powershell.exe 980 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 980 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 1388 powershell.exe 1388 powershell.exe 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 3580 powershell.exe 3580 powershell.exe 4328 powershell.exe 4328 powershell.exe 3108 powershell.exe 3108 powershell.exe 2060 powershell.exe 2060 powershell.exe 4388 powershell.exe 4388 powershell.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 4704 csrss.exe 4704 csrss.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 4704 csrss.exe 4704 csrss.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe 688 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1016 powershell.exe Token: SeDebugPrivilege 980 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Token: SeImpersonatePrivilege 980 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe Token: SeDebugPrivilege 1388 powershell.exe Token: SeDebugPrivilege 3580 powershell.exe Token: SeDebugPrivilege 4328 powershell.exe Token: SeDebugPrivilege 3108 powershell.exe Token: SeDebugPrivilege 2060 powershell.exe Token: SeDebugPrivilege 4388 powershell.exe Token: SeSystemEnvironmentPrivilege 4704 csrss.exe Token: SeSecurityPrivilege 1148 sc.exe Token: SeSecurityPrivilege 1148 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 980 wrote to memory of 1016 980 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 82 PID 980 wrote to memory of 1016 980 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 82 PID 980 wrote to memory of 1016 980 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 82 PID 2556 wrote to memory of 1388 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 88 PID 2556 wrote to memory of 1388 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 88 PID 2556 wrote to memory of 1388 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 88 PID 2556 wrote to memory of 3960 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 90 PID 2556 wrote to memory of 3960 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 90 PID 3960 wrote to memory of 4860 3960 cmd.exe 92 PID 3960 wrote to memory of 4860 3960 cmd.exe 92 PID 2556 wrote to memory of 3580 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 113 PID 2556 wrote to memory of 3580 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 113 PID 2556 wrote to memory of 3580 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 113 PID 2556 wrote to memory of 4328 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 95 PID 2556 wrote to memory of 4328 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 95 PID 2556 wrote to memory of 4328 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 95 PID 2556 wrote to memory of 4704 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 97 PID 2556 wrote to memory of 4704 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 97 PID 2556 wrote to memory of 4704 2556 6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe 97 PID 4704 wrote to memory of 3108 4704 csrss.exe 98 PID 4704 wrote to memory of 3108 4704 csrss.exe 98 PID 4704 wrote to memory of 3108 4704 csrss.exe 98 PID 4704 wrote to memory of 2060 4704 csrss.exe 104 PID 4704 wrote to memory of 2060 4704 csrss.exe 104 PID 4704 wrote to memory of 2060 4704 csrss.exe 104 PID 4704 wrote to memory of 4388 4704 csrss.exe 106 PID 4704 wrote to memory of 4388 4704 csrss.exe 106 PID 4704 wrote to memory of 4388 4704 csrss.exe 106 PID 4704 wrote to memory of 688 4704 csrss.exe 108 PID 4704 wrote to memory of 688 4704 csrss.exe 108 PID 4496 wrote to memory of 1720 4496 windefender.exe 114 PID 4496 wrote to memory of 1720 4496 windefender.exe 114 PID 4496 wrote to memory of 1720 4496 windefender.exe 114 PID 1720 wrote to memory of 1148 1720 cmd.exe 115 PID 1720 wrote to memory of 1148 1720 cmd.exe 115 PID 1720 wrote to memory of 1148 1720 cmd.exe 115 -
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\6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe"C:\Users\Admin\AppData\Local\Temp\6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:980 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1016
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C:\Users\Admin\AppData\Local\Temp\6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.exe"C:\Users\Admin\AppData\Local\Temp\6f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559.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:2556 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1388
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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:3960 -
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:4860
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3580
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4328
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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:4704 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3108
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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:3272
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3556
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2060
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4388
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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:688
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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:3460
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4496 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV15⤵PID:3580
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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:1720 -
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:1148
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2904
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a8cf9acc1d070e07e8b5738cdec0e3d
SHA149c9eaa7fc60cecd3099b3aa91f8defa1ad10570
SHA2562e1297963e00170d8b4dbf8411ec7f140380719753ad9c0f392179f47bdd6afb
SHA51206996f2dbc452021ba87b8b38d5a2c487c672658dfbc220438ad100ca1b70111add73e8630acd7d453f00d201d0fdda68685b699ccd76104c27b11a58adde9ff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56f69f353d3525b23831ac5803bf3cd54
SHA1fba03abd62ff8c6d1fa0cb75b8bd9532e63938cd
SHA256097d020930c9f542ffd7a45eee58e2aca2bfb3c7d99f19d73e76327da4cd0fb4
SHA512639131031fdf1961c2cda280a52145301c9e2efb26afe969bd736072bbf96cf6782f9269fb1dd67c179f5ad118d1c9e019d2da801fbdb4c5b474705096de5190
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51b14a1cee8ace4511936fdaae3975e1f
SHA1c21cac23621667122d1deadc19893b1f0d1d6777
SHA256dbf385aed225c96d944cd9d2f41f991f62f7773d5c8bbbc9b0a79d5fbd16899c
SHA512914e15d6ee8317c8476512ad997a5a99e0fa858f6dcb03614ea9911da4daa1517157876596955764b9ca701ceaecd4a0daf037cd4796a28b0b3fafad2b19f97a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54a09e96e99c8153174c5c68b0133091c
SHA1a53199d03b7844b7b1e47617ec758662ce765a50
SHA256fa7a7d7ef730369fb6b3167015937f45e8bd0f3d5106dd7be896627781d1e651
SHA51271ed6c0d8a6ffb8c95e4da2c3a3e059bdfd14d1ca710a4d833dfa96008a8a6cb1bbca1f14abc28cc28891a8210c88da48c410949fb1f72caacacd3f6e2f0e03d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53f846495753fb5602dbffc4daab7045d
SHA1c44ae083d1c7d6c44a43a69c73703e8d10c5500e
SHA25660f50c19e01319e25c4a455f20ebb9d06df7b514ad193989fc78b5f57105bcfa
SHA5125085973fbcedc9f2f77c2e736b7f33da756d466fb722df29f9ca35cee0d2dfb0f8421f85ed340a853031a6906968ca1a3ea55f8055916063766461603d3236bf
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Filesize
4.2MB
MD523ab08f56afa3adef21e733386246b2d
SHA11a645daccce8bb8fe0f3b967136f8c46dc87cf79
SHA2566f02b922c727f5d10582cc0bb7765934557c390aab13aaf049e1b96e319d9559
SHA5121dba2aabbf8008141c8817d0ae05e313fad67cb203535427ac2024a3c24b3dea397661bb5060143fa6f9c7493de1ec26935241cf10a4e18b7e1b208ab90cd9b6
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec