Analysis
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max time kernel
149s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 08:38
Static task
static1
Behavioral task
behavioral1
Sample
86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe
Resource
win10v2004-20240426-en
General
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Target
86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe
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Size
4.1MB
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MD5
30e370edcfe43464c017dd3b89824398
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SHA1
6cf345931566dfbd9fa5b0581b33c5d78ca33962
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SHA256
86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c
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SHA512
74a62dd790e9242e697220325bfde4a4fe2eea81e159c4191f5f3645cd9c37855fbcf1807cf8313c730a564872548f3ad164a9e9df9e50ec9e206a7d311c28f0
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SSDEEP
98304:AcO3d23DP4WvcTQUVFyLidGODnX7vlp0fAiBu1UOo5GU75c1WMsxW:AcO3d2wQ4Q8FyLwnXJ+AxvtU75c1js8
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/1288-2-0x0000000004C00000-0x00000000054EB000-memory.dmp family_glupteba behavioral1/memory/1288-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1964-130-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1288-157-0x0000000004C00000-0x00000000054EB000-memory.dmp family_glupteba behavioral1/memory/1288-155-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/1288-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4556-216-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4556-225-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4556-228-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4556-231-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4556-234-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4556-237-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4556-240-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4556-243-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4556-246-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4556-249-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4556-252-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4556-255-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba behavioral1/memory/4556-258-0x0000000000400000-0x0000000002B08000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 632 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4556 csrss.exe 4796 injector.exe 4036 windefender.exe 3468 windefender.exe -
resource yara_rule behavioral1/files/0x000b0000000233aa-219.dat upx behavioral1/memory/4036-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4036-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3468-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3468-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3468-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\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 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.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 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1728 sc.exe -
pid Process 3896 powershell.exe 3996 powershell.exe 4608 powershell.exe 4596 powershell.exe 4924 powershell.exe 4136 powershell.exe 5056 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 4688 schtasks.exe 1492 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process 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,-661 = "Cen. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-622 = "Korea Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.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,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1832 = "Russia TZ 2 Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.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,-201 = "US Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.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,-2491 = "Aus Central W. Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2181 = "Astrakhan Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\2a\52C64B7E\@tzres.dll,-152 = "Central America Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.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,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.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,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-632 = "Tokyo Standard Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3996 powershell.exe 3996 powershell.exe 1288 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1288 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 4608 powershell.exe 4608 powershell.exe 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 4596 powershell.exe 4596 powershell.exe 4596 powershell.exe 4924 powershell.exe 4924 powershell.exe 4924 powershell.exe 4136 powershell.exe 4136 powershell.exe 4136 powershell.exe 5056 powershell.exe 5056 powershell.exe 3896 powershell.exe 3896 powershell.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4556 csrss.exe 4556 csrss.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4556 csrss.exe 4556 csrss.exe 4796 injector.exe 4796 injector.exe 4556 csrss.exe 4556 csrss.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe 4796 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3996 powershell.exe Token: SeDebugPrivilege 1288 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Token: SeImpersonatePrivilege 1288 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe Token: SeDebugPrivilege 4608 powershell.exe Token: SeDebugPrivilege 4596 powershell.exe Token: SeDebugPrivilege 4924 powershell.exe Token: SeDebugPrivilege 4136 powershell.exe Token: SeDebugPrivilege 5056 powershell.exe Token: SeDebugPrivilege 3896 powershell.exe Token: SeSystemEnvironmentPrivilege 4556 csrss.exe Token: SeSecurityPrivilege 1728 sc.exe Token: SeSecurityPrivilege 1728 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 1288 wrote to memory of 3996 1288 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 87 PID 1288 wrote to memory of 3996 1288 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 87 PID 1288 wrote to memory of 3996 1288 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 87 PID 1964 wrote to memory of 4608 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 97 PID 1964 wrote to memory of 4608 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 97 PID 1964 wrote to memory of 4608 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 97 PID 1964 wrote to memory of 4456 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 99 PID 1964 wrote to memory of 4456 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 99 PID 4456 wrote to memory of 632 4456 cmd.exe 101 PID 4456 wrote to memory of 632 4456 cmd.exe 101 PID 1964 wrote to memory of 4596 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 102 PID 1964 wrote to memory of 4596 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 102 PID 1964 wrote to memory of 4596 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 102 PID 1964 wrote to memory of 4924 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 107 PID 1964 wrote to memory of 4924 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 107 PID 1964 wrote to memory of 4924 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 107 PID 1964 wrote to memory of 4556 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 109 PID 1964 wrote to memory of 4556 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 109 PID 1964 wrote to memory of 4556 1964 86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe 109 PID 4556 wrote to memory of 4136 4556 csrss.exe 110 PID 4556 wrote to memory of 4136 4556 csrss.exe 110 PID 4556 wrote to memory of 4136 4556 csrss.exe 110 PID 4556 wrote to memory of 5056 4556 csrss.exe 116 PID 4556 wrote to memory of 5056 4556 csrss.exe 116 PID 4556 wrote to memory of 5056 4556 csrss.exe 116 PID 4556 wrote to memory of 3896 4556 csrss.exe 119 PID 4556 wrote to memory of 3896 4556 csrss.exe 119 PID 4556 wrote to memory of 3896 4556 csrss.exe 119 PID 4556 wrote to memory of 4796 4556 csrss.exe 121 PID 4556 wrote to memory of 4796 4556 csrss.exe 121 PID 4036 wrote to memory of 1664 4036 windefender.exe 127 PID 4036 wrote to memory of 1664 4036 windefender.exe 127 PID 4036 wrote to memory of 1664 4036 windefender.exe 127 PID 1664 wrote to memory of 1728 1664 cmd.exe 128 PID 1664 wrote to memory of 1728 1664 cmd.exe 128 PID 1664 wrote to memory of 1728 1664 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\86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe"C:\Users\Admin\AppData\Local\Temp\86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3996
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C:\Users\Admin\AppData\Local\Temp\86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.exe"C:\Users\Admin\AppData\Local\Temp\86cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c.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:1964 -
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:4608
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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:4456 -
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:632
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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:4596
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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:4924
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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:4556 -
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:4136
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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:4688
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3804
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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:5056
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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:3896
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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:4796
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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:1492
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4036 -
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:1664 -
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:1728
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3468
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f971b16ed4a426d3b6ebfaf045755609
SHA12aeb52a6e4a5725519b91e526c145fdc564e46a4
SHA256def8dcf3cb3ff3ccd895f10fb56f0e297d11cb7c1d9d8a7e484d2462dc70dd65
SHA51272f6b4081dc879f3707665a1be637a97748c78bb7eeda7339acd83d27e38814597de0e9f6050af5d4e9ff8e8035b7cad15b71ac52e281c3016c0e96b7435373e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52f11d9bf4d6ee11040d794b1e337e422
SHA146e6b2bfb18dc6bef7f70e948d8c96a6d4c4a99f
SHA25698c5c2b1603bf0ca8d1cd08ce7357ecd4f57079707d64ad3632b52a6173ab3ce
SHA51213f14ffba3d811fd4d46bd6bce015714458cac9fc2aad0bf0c6edac83e5947de70e405abcad5c878c58fda10d363bc9d51c2a91b37d4f4940e1c41bd494e1c44
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59721c8f1a6b90fd89257971e9c888ae4
SHA18779435080443c555895577982451355b23b2a53
SHA2561186d692cbe7b89f4c2940b0c5437bde3c1f240f34146b885618c413b55594b7
SHA51285538a6a949476d037c3c8ecf754d6a679f67e8a61261d6a215744a127cfdfdf05a082895442a48355016c7efc06c76d1c32fc3c5c9834e18f868c0446bd1fe8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD532272f95e5f48616715aa91720658a18
SHA109a1f5b998b7fa1b2550260c27adf79531395d28
SHA2560b522bd54b63a263e6c482f709446dcf9bf5b59e34df38209f1aaa211361bda7
SHA51272c41476c257d4fa996873c2487dd9e0506c6d65eebfeca910a29517bd79983fd0c5099367fbf4d41fd7b027dabc1957ee04e40e1cd160f46685b35c3216d498
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ba97931530181ae537840ee6c6361537
SHA1b1c0acf9a3ed3ccd1dbba0fdadbe9897ac5cb542
SHA256d0f6ad35b95353ae6d3c39f7dda74ab7145f67ac7be544372105684fdb7d6816
SHA512ca84942cf4daeeacb8cf39cff170207123e560d2ca0f7df9147f94895a75d4dee6220ab4368f68018505a0e29988ada97f59393ad6eab7fa89863f0c3ef46051
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Filesize
4.1MB
MD530e370edcfe43464c017dd3b89824398
SHA16cf345931566dfbd9fa5b0581b33c5d78ca33962
SHA25686cbacfcbbed6e455acc018066d847c73c3afeb9206069011a489e912db8ca2c
SHA51274a62dd790e9242e697220325bfde4a4fe2eea81e159c4191f5f3645cd9c37855fbcf1807cf8313c730a564872548f3ad164a9e9df9e50ec9e206a7d311c28f0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec