Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 13:05
Static task
static1
Behavioral task
behavioral1
Sample
2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe
Resource
win10v2004-20240508-en
General
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Target
2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe
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Size
4.1MB
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MD5
20ebad5407f7a33b14f17c8e419f37a5
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SHA1
f84a95d7360b8c7e8673500bc3fd91fde46ee8ee
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SHA256
2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2
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SHA512
abc2309a32056b9070dc41b9eb695d7716329227a6447769dd0b5d20c944afb1dd549818ec55f6da8c0260c1f49675098fd9f5b37808d5eb0306e2452b9c85a8
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SSDEEP
98304:/hzlfCz+ccJ0CpUiRHjJlGcG1klIkRd3fLKEv/:Jz9CiccJ0CpfGcGG1DfLx
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4300-2-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral2/memory/4300-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4300-24-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4300-55-0x0000000004C60000-0x000000000554B000-memory.dmp family_glupteba behavioral2/memory/4300-53-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4300-66-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4432-65-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4432-129-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4656-206-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4656-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4656-220-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4656-224-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4656-228-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4656-231-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4656-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4656-240-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4656-244-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4656-247-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3592 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4656 csrss.exe 1924 injector.exe 4776 windefender.exe 2180 windefender.exe -
resource yara_rule behavioral2/files/0x001a00000002ab42-210.dat upx behavioral2/memory/4776-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4776-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2180-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2180-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe File created C:\Windows\rss\csrss.exe 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2784 sc.exe -
pid Process 2044 powershell.exe 4944 powershell.exe 3384 powershell.exe 1908 powershell.exe 2512 powershell.exe 1152 powershell.exe 2948 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 3432 schtasks.exe 2464 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,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.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,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2322 = "Sakhalin Standard Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-2142 = "Transbaikal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\@tzres.dll,-1662 = "Bahia Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2044 powershell.exe 2044 powershell.exe 4300 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4300 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4944 powershell.exe 4944 powershell.exe 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 3384 powershell.exe 3384 powershell.exe 1908 powershell.exe 1908 powershell.exe 2512 powershell.exe 2512 powershell.exe 1152 powershell.exe 1152 powershell.exe 2948 powershell.exe 2948 powershell.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 4656 csrss.exe 4656 csrss.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 4656 csrss.exe 4656 csrss.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 4656 csrss.exe 4656 csrss.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe 1924 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2044 powershell.exe Token: SeDebugPrivilege 4300 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Token: SeImpersonatePrivilege 4300 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe Token: SeDebugPrivilege 4944 powershell.exe Token: SeDebugPrivilege 3384 powershell.exe Token: SeDebugPrivilege 1908 powershell.exe Token: SeDebugPrivilege 2512 powershell.exe Token: SeDebugPrivilege 1152 powershell.exe Token: SeDebugPrivilege 2948 powershell.exe Token: SeSystemEnvironmentPrivilege 4656 csrss.exe Token: SeSecurityPrivilege 2784 sc.exe Token: SeSecurityPrivilege 2784 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4300 wrote to memory of 2044 4300 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 82 PID 4300 wrote to memory of 2044 4300 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 82 PID 4300 wrote to memory of 2044 4300 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 82 PID 4432 wrote to memory of 4944 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 87 PID 4432 wrote to memory of 4944 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 87 PID 4432 wrote to memory of 4944 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 87 PID 4432 wrote to memory of 1888 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 89 PID 4432 wrote to memory of 1888 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 89 PID 1888 wrote to memory of 3592 1888 cmd.exe 91 PID 1888 wrote to memory of 3592 1888 cmd.exe 91 PID 4432 wrote to memory of 3384 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 92 PID 4432 wrote to memory of 3384 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 92 PID 4432 wrote to memory of 3384 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 92 PID 4432 wrote to memory of 1908 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 94 PID 4432 wrote to memory of 1908 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 94 PID 4432 wrote to memory of 1908 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 94 PID 4432 wrote to memory of 4656 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 96 PID 4432 wrote to memory of 4656 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 96 PID 4432 wrote to memory of 4656 4432 2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe 96 PID 4656 wrote to memory of 2512 4656 csrss.exe 97 PID 4656 wrote to memory of 2512 4656 csrss.exe 97 PID 4656 wrote to memory of 2512 4656 csrss.exe 97 PID 4656 wrote to memory of 1152 4656 csrss.exe 102 PID 4656 wrote to memory of 1152 4656 csrss.exe 102 PID 4656 wrote to memory of 1152 4656 csrss.exe 102 PID 4656 wrote to memory of 2948 4656 csrss.exe 105 PID 4656 wrote to memory of 2948 4656 csrss.exe 105 PID 4656 wrote to memory of 2948 4656 csrss.exe 105 PID 4656 wrote to memory of 1924 4656 csrss.exe 107 PID 4656 wrote to memory of 1924 4656 csrss.exe 107 PID 4776 wrote to memory of 3204 4776 windefender.exe 113 PID 4776 wrote to memory of 3204 4776 windefender.exe 113 PID 4776 wrote to memory of 3204 4776 windefender.exe 113 PID 3204 wrote to memory of 2784 3204 cmd.exe 114 PID 3204 wrote to memory of 2784 3204 cmd.exe 114 PID 3204 wrote to memory of 2784 3204 cmd.exe 114 -
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\2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe"C:\Users\Admin\AppData\Local\Temp\2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2044
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C:\Users\Admin\AppData\Local\Temp\2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.exe"C:\Users\Admin\AppData\Local\Temp\2ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2.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:4432 -
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:4944
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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:1888 -
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:3592
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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:3384
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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:1908
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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:4656 -
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:2512
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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:2464
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3820
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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:1152
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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:2948
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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:1924
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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:3432
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4776 -
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:3204 -
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:2784
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2180
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a2e6ed6b688831623f231df1cd72b86
SHA132f9ba62c3fed6e62753b9ae5660c027ddb882a7
SHA2567e704cc567a825b4a9fd2a71d7d0ab7c9cbffb5940522cb99ee3cec0a277b1f6
SHA5122f301848d0da003ee9f7ba72e91b9e9615df7225ed20f8c8d007b964319ab4cad02b4726c4e7f1bbc03637c3198a282a3422c802a83074a5d5bb0be3f13510b6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d17ef25d4fc6e4d7f4f7c655c7076982
SHA1d220a35226e0fbc91a0966c04a7e36b81e147319
SHA2564a48a20189dd4ca071a03d6d28f10582b078ebe4a14218019e4b4f5845816273
SHA512125d9a0329512a7d0ac0275363167bcf141809c0cb6d7ed63fda05103f65fb474c7e0ff1aac41306fecd6acfd6f574cc0f7bd4d13d4db719c6eef1a8fe2f7f0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b6db25fd9234257bc3ad056a68491348
SHA14d23065fa5ce861271a6cd33b215d33b89e2d48f
SHA25699c3cbe30b6b9b5d6a429f3c50abb2c1ab6225f907a315de38626f30549fb45e
SHA512ba0c506d0f31579851b7c882b1e1f020324f56b2c62e47211f497144b9ae86523cc03bbdf24e75e7eb464f3f6047fb55b5e3cd42ec90dada42dd76b5db22a927
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5188475cf75679d5db475c4b1cb92fc0b
SHA1b570751b91f0697b11e83506d5ea0df2a231ef02
SHA256e2a1c83fecc5d01e53ac89e16ef80ed5133b8f9e311f30763e86d3a1e1f9c49a
SHA512522e7d483d329ffe15d273aee801179ca48e26b4de47d89419d7eca49fac85414b42e14f37e45d64b4275010dd0858c2aaa1df7fd4d315b07582924942dd07d4
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f01f80d859288dbaf3427e810d554f60
SHA1a149e99c8de29f6e75990caef80db6a5129bdb04
SHA256d0f31189b213a3e407915b01ac43c9b89d2b674cf6d9896a51cadfc6acfc023e
SHA512ce18bfe4acc0981ddb3e6fadfd33ea0332240379c3ecb92195830cd98d78a276540969000bce2bce8c8c524db430158b7d0176dd6cd9791767df9ff3ecc3de10
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Filesize
4.1MB
MD520ebad5407f7a33b14f17c8e419f37a5
SHA1f84a95d7360b8c7e8673500bc3fd91fde46ee8ee
SHA2562ad043107ee57818a9852247daea71a1b0d9ebc9edb78aadd3af9070c82461b2
SHA512abc2309a32056b9070dc41b9eb695d7716329227a6447769dd0b5d20c944afb1dd549818ec55f6da8c0260c1f49675098fd9f5b37808d5eb0306e2452b9c85a8
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec