Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
17/04/2024, 15:43
Static task
static1
Behavioral task
behavioral1
Sample
21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe
Resource
win10v2004-20240412-en
General
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Target
21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe
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Size
4.2MB
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MD5
3c6a7591bdbbdad4334c1bf9f52e2dc1
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SHA1
b2fa497f97da4435d0f76f8827206f10c57277e3
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SHA256
21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af
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SHA512
f0937c7398106a89e94cf3e9c38d75700f8772f3174f64c335b1a14d462b27bd454756eba26549e42f6ca8c6b103e7ee7425cc8716b17b281bd4e32deede107e
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SSDEEP
98304:mz7Cg0ld9bGpeFIidtQ9zICqBAsCsR7hN5aqRYTU7/:M7NcfZtQ9LJEd3aOYT+/
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4688-2-0x00000000052E0000-0x0000000005BCB000-memory.dmp family_glupteba behavioral1/memory/4688-3-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/4688-29-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/4688-55-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/4688-56-0x00000000052E0000-0x0000000005BCB000-memory.dmp family_glupteba behavioral1/memory/4140-59-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/4140-74-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/4140-110-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/4140-131-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/4140-158-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1808-224-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1808-260-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1808-269-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1808-271-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1808-273-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1808-275-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1808-277-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1808-279-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba behavioral1/memory/1808-281-0x0000000000400000-0x0000000003118000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2276 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1808 csrss.exe 4072 injector.exe 4540 windefender.exe 3296 windefender.exe -
resource yara_rule behavioral1/files/0x00080000000233f8-263.dat upx behavioral1/memory/4540-268-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3296-270-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3296-276-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3296-280-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Set value (str) \REGISTRY\USER\S-1-5-21-553605503-2331009851-2137262461-1000\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 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 -
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 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2264 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 3692 schtasks.exe 3172 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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,-391 = "Arab Daylight Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-841 = "Argentina Daylight Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.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,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe 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,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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,-631 = "Tokyo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-491 = "India Daylight Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.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\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2340 powershell.exe 2340 powershell.exe 4688 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 4688 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 1544 powershell.exe 1544 powershell.exe 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 3464 powershell.exe 3464 powershell.exe 3296 powershell.exe 3296 powershell.exe 720 powershell.exe 720 powershell.exe 3852 powershell.exe 3852 powershell.exe 3568 powershell.exe 3568 powershell.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 1808 csrss.exe 1808 csrss.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 1808 csrss.exe 1808 csrss.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 1808 csrss.exe 1808 csrss.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe 4072 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2340 powershell.exe Token: SeDebugPrivilege 4688 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Token: SeImpersonatePrivilege 4688 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe Token: SeDebugPrivilege 1544 powershell.exe Token: SeDebugPrivilege 3464 powershell.exe Token: SeDebugPrivilege 3296 powershell.exe Token: SeDebugPrivilege 720 powershell.exe Token: SeDebugPrivilege 3852 powershell.exe Token: SeDebugPrivilege 3568 powershell.exe Token: SeSystemEnvironmentPrivilege 1808 csrss.exe Token: SeSecurityPrivilege 2264 sc.exe Token: SeSecurityPrivilege 2264 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4688 wrote to memory of 2340 4688 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 93 PID 4688 wrote to memory of 2340 4688 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 93 PID 4688 wrote to memory of 2340 4688 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 93 PID 4140 wrote to memory of 1544 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 99 PID 4140 wrote to memory of 1544 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 99 PID 4140 wrote to memory of 1544 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 99 PID 4140 wrote to memory of 960 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 102 PID 4140 wrote to memory of 960 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 102 PID 960 wrote to memory of 2276 960 cmd.exe 104 PID 960 wrote to memory of 2276 960 cmd.exe 104 PID 4140 wrote to memory of 3464 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 105 PID 4140 wrote to memory of 3464 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 105 PID 4140 wrote to memory of 3464 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 105 PID 4140 wrote to memory of 3296 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 108 PID 4140 wrote to memory of 3296 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 108 PID 4140 wrote to memory of 3296 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 108 PID 4140 wrote to memory of 1808 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 110 PID 4140 wrote to memory of 1808 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 110 PID 4140 wrote to memory of 1808 4140 21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe 110 PID 1808 wrote to memory of 720 1808 csrss.exe 111 PID 1808 wrote to memory of 720 1808 csrss.exe 111 PID 1808 wrote to memory of 720 1808 csrss.exe 111 PID 1808 wrote to memory of 3852 1808 csrss.exe 116 PID 1808 wrote to memory of 3852 1808 csrss.exe 116 PID 1808 wrote to memory of 3852 1808 csrss.exe 116 PID 1808 wrote to memory of 3568 1808 csrss.exe 119 PID 1808 wrote to memory of 3568 1808 csrss.exe 119 PID 1808 wrote to memory of 3568 1808 csrss.exe 119 PID 1808 wrote to memory of 4072 1808 csrss.exe 121 PID 1808 wrote to memory of 4072 1808 csrss.exe 121 PID 4540 wrote to memory of 972 4540 windefender.exe 127 PID 4540 wrote to memory of 972 4540 windefender.exe 127 PID 4540 wrote to memory of 972 4540 windefender.exe 127 PID 972 wrote to memory of 2264 972 cmd.exe 128 PID 972 wrote to memory of 2264 972 cmd.exe 128 PID 972 wrote to memory of 2264 972 cmd.exe 128 -
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\21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe"C:\Users\Admin\AppData\Local\Temp\21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4688 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2340
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C:\Users\Admin\AppData\Local\Temp\21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.exe"C:\Users\Admin\AppData\Local\Temp\21286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af.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:4140 -
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:1544
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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:960 -
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:2276
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3464
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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:3296
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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:1808 -
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:720
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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:3692
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3696
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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:3852
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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:3568
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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:4072
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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:3172
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4540 -
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:972 -
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:2264
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3296
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
MD5f7a6a570ce75fd91304da55f00930d86
SHA11ea7b9cb2c0042a5f5f0744f117222d071f20335
SHA2560b31ab0356e09bd37c822c313cb462ca4120cd3602f8fb6a66740ff4b2962092
SHA5127411e27184a41aae52a2820aa68e11e0277d47f14dbd64707f2af8fa4e282ffb945a36ccd8a3d78ad6ae61b9bf4a918de6eec63fd759171c400c9e2950b6e51c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ef7c7eb63048311335b711a6e9e2efd
SHA1d499782f9df148cbbdc6292f91b44bae475115d2
SHA2567f8f03e0069115bc750a54be41ee5969302554225126f11df36cd932772d99fa
SHA51239518293cbef3c1dd98fb92d25d42011b591c7350be4e3d6f6d80cb100b967d88cdda56b55a6359942e44f4a5d17e903dbafb5786b300d5db864dc78fa124177
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53ffe8ebed650415742de1ae5551cb303
SHA1c7482d6f346f8008cfeef225488db313573ec5a6
SHA2566703e4dbfa0df2c2a42193abe7a06458a7e35b9e80418c88555cd9dd501efc65
SHA512f565105c51c4570026ffb1b8a746874f7f20aca6c457315826977954fc18d7843e4bef7a2fac8691bf42bb4662981f378c937930eb6e6642307eed02afeb3b02
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e763bbb91713797e9f76ea0b0562d2f8
SHA138e89f6db1d2d95c3326c77011d96398d44f8515
SHA2568e5af883ca23700957d7aa9480ff5960b3b30912e4650288fc007994232ba8aa
SHA5124e1847f18b1b3b69a8459528008c3b785d11aff97ac12c0105d37b488a5fdae33451b3c7041dddc29124b696ba52bef23aab9b32e2058f7da17384eb98286a66
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59f6dd6190d22adb2a84877f2b9300d39
SHA13ece220e0992c382f984739ea7518bd9875f6766
SHA256b6d8d2e9b1dbb4c47f05a46e177aef672eb5e0fd94b945dff736835d40c97329
SHA512d385fcda380a27507614f164ba7da88ec43f68faa87e0284c30400802070b6b9e14a7fe08f4d073919980ff9667c598f3ff374afeb390ed35c8ef825338f61b1
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Filesize
4.2MB
MD53c6a7591bdbbdad4334c1bf9f52e2dc1
SHA1b2fa497f97da4435d0f76f8827206f10c57277e3
SHA25621286e20fabd8bef82200fdaf357e0f65292fed22b9547be11d2aaf11054c2af
SHA512f0937c7398106a89e94cf3e9c38d75700f8772f3174f64c335b1a14d462b27bd454756eba26549e42f6ca8c6b103e7ee7425cc8716b17b281bd4e32deede107e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec