Analysis
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max time kernel
150s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
15/05/2024, 19:11
Static task
static1
Behavioral task
behavioral1
Sample
8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe
Resource
win10v2004-20240426-en
General
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Target
8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe
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Size
4.1MB
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MD5
7cd9fa91950e3224c03a5640a5ad1553
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SHA1
af6dd7d12de82091d0cc221b6c277bc89f0a0953
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SHA256
8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a
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SHA512
8617e85c866d19dab3374f8e8fe13c54464195e128fa2f4ebae8b543d25701cbf6558e1f890abfeab4d98cac3c1353ecd93a2e62055d0f9e78ad7fb88ce82ab9
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SSDEEP
98304:nvKhyQu49tHH7DRYDff1lXFitQcJyMhd8Y1/:nv8u49ZH7eDfxu9yMsE/
Malware Config
Signatures
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Glupteba payload 20 IoCs
resource yara_rule behavioral1/memory/368-2-0x0000000004C70000-0x000000000555B000-memory.dmp family_glupteba behavioral1/memory/368-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/368-28-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/368-57-0x0000000004C70000-0x000000000555B000-memory.dmp family_glupteba behavioral1/memory/368-81-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/368-118-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1032-117-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/1032-138-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4552-160-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4552-219-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4552-231-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4552-235-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4552-239-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4552-243-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4552-247-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4552-251-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4552-255-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4552-259-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4552-263-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4552-267-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5044 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4552 csrss.exe 636 injector.exe 2300 windefender.exe 4432 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023440-222.dat upx behavioral1/memory/2300-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4432-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2300-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4432-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4432-241-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.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 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe File created C:\Windows\rss\csrss.exe 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4040 sc.exe -
pid Process 1680 powershell.exe 2952 powershell.exe 2920 powershell.exe 4464 powershell.exe 4120 powershell.exe 3004 powershell.exe 692 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 5100 schtasks.exe 4424 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\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard 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\@tzres.dll,-1931 = "Russia TZ 11 Daylight 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,-1972 = "Belarus Standard Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs 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,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3004 powershell.exe 3004 powershell.exe 368 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 368 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 692 powershell.exe 692 powershell.exe 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 1680 powershell.exe 1680 powershell.exe 2952 powershell.exe 2952 powershell.exe 2920 powershell.exe 2920 powershell.exe 4464 powershell.exe 4464 powershell.exe 4120 powershell.exe 4120 powershell.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 4552 csrss.exe 4552 csrss.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 4552 csrss.exe 4552 csrss.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 4552 csrss.exe 4552 csrss.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe 636 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 3004 powershell.exe Token: SeDebugPrivilege 368 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Token: SeImpersonatePrivilege 368 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe Token: SeDebugPrivilege 692 powershell.exe Token: SeDebugPrivilege 1680 powershell.exe Token: SeDebugPrivilege 2952 powershell.exe Token: SeDebugPrivilege 2920 powershell.exe Token: SeDebugPrivilege 4464 powershell.exe Token: SeDebugPrivilege 4120 powershell.exe Token: SeSystemEnvironmentPrivilege 4552 csrss.exe Token: SeSecurityPrivilege 4040 sc.exe Token: SeSecurityPrivilege 4040 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 368 wrote to memory of 3004 368 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 94 PID 368 wrote to memory of 3004 368 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 94 PID 368 wrote to memory of 3004 368 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 94 PID 1032 wrote to memory of 692 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 100 PID 1032 wrote to memory of 692 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 100 PID 1032 wrote to memory of 692 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 100 PID 1032 wrote to memory of 3460 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 102 PID 1032 wrote to memory of 3460 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 102 PID 3460 wrote to memory of 5044 3460 cmd.exe 104 PID 3460 wrote to memory of 5044 3460 cmd.exe 104 PID 1032 wrote to memory of 1680 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 105 PID 1032 wrote to memory of 1680 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 105 PID 1032 wrote to memory of 1680 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 105 PID 1032 wrote to memory of 2952 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 107 PID 1032 wrote to memory of 2952 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 107 PID 1032 wrote to memory of 2952 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 107 PID 1032 wrote to memory of 4552 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 109 PID 1032 wrote to memory of 4552 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 109 PID 1032 wrote to memory of 4552 1032 8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe 109 PID 4552 wrote to memory of 2920 4552 csrss.exe 111 PID 4552 wrote to memory of 2920 4552 csrss.exe 111 PID 4552 wrote to memory of 2920 4552 csrss.exe 111 PID 4552 wrote to memory of 4464 4552 csrss.exe 118 PID 4552 wrote to memory of 4464 4552 csrss.exe 118 PID 4552 wrote to memory of 4464 4552 csrss.exe 118 PID 4552 wrote to memory of 4120 4552 csrss.exe 120 PID 4552 wrote to memory of 4120 4552 csrss.exe 120 PID 4552 wrote to memory of 4120 4552 csrss.exe 120 PID 4552 wrote to memory of 636 4552 csrss.exe 122 PID 4552 wrote to memory of 636 4552 csrss.exe 122 PID 2300 wrote to memory of 4260 2300 windefender.exe 128 PID 2300 wrote to memory of 4260 2300 windefender.exe 128 PID 2300 wrote to memory of 4260 2300 windefender.exe 128 PID 4260 wrote to memory of 4040 4260 cmd.exe 129 PID 4260 wrote to memory of 4040 4260 cmd.exe 129 PID 4260 wrote to memory of 4040 4260 cmd.exe 129 -
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\8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe"C:\Users\Admin\AppData\Local\Temp\8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:368 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3004
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C:\Users\Admin\AppData\Local\Temp\8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.exe"C:\Users\Admin\AppData\Local\Temp\8bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a.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:1032 -
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:692
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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:3460 -
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:5044
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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:1680
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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:2952
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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:4552 -
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:2920
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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:5100
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3980
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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:4464
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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:4120
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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:636
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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:4424
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2300 -
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:4260 -
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:4040
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4432
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
MD5b899ab8f9b7d2deb77923dfa50425ba6
SHA1d16af70440b10fe193ad15b031a75af1601b751c
SHA25660597c0401d38a490117b59ef4912befa339c28c5dd978e23f62c2a91ec5b4da
SHA512956779e856f66b4d6cc73991ccd32cbee5c95036207ecb83b93b7e26d536c3659bea8219814c824111d831b214a0a2e1d0cbb54f6fa70eb04e55d180cd12fb2a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b98eee2f2a1154d4ddd7bb6c86d018e0
SHA1b8086292848e680b3c2bf4a9501df8cd00ddb548
SHA256fbc70da5c333ff9cdc462e6c5c82c635383cade5795e714c8b82714f3849cba1
SHA512c9bd194bb7b796c51a94381cc7b21a9461d6c0383850dd29470a47e3ae3c12602e485fa5831093b788c6baacc239257739a15f7da99d97bf89a3dce4c5eb5f76
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD519430f2d4974c2d4a0ec51c91580b59b
SHA1bda2b66ad690e87b7147708e985e85e2c37bc9ae
SHA256bec474feccea9d38b214094e5afad4baeda2a4a4835339fd864019523129ea2c
SHA5129265a66ee2dea163422f08a07e4c946531627e22b69c459f4fd520471a7a9c0ef8bddf78d136f3cf9a1239d7f4126f5a51a8e97ad4306f0589d6bf8a8ea624f7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551fb5cac3f81e32293c6222baf3acb52
SHA12a0c2e6ce1c2b434028be39f0e13e9ec5993424a
SHA2562c06897d4d4301ae5b3ccc3d7bbc62cf5cc6d8f4535ea58e361a6c42165f742f
SHA512cb324d6066706528181b2baab259dda0ad624652d98e31f0872c0bb267e40ba961a8c4e69e4280a5f00c706f324a397886d3a277f7e2c67c190669c27f48d936
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5920c0bcb9dcb1258efdc55b2ae054acb
SHA1758cc53ce0c6ecc96c02727a8e5b7b0fb3a5a130
SHA256c412f15bddce53d705f467793bda718e2c2bb03e199c2d4ef9851061dd88823f
SHA512b5469c74d4f2e64b5ae0198d9afd677cc239f7fd9b85d0b8e73401f6304c1a65028f259fae3d43e065071dfaf6139922c06b338f1a3cdc7d8234b4fcab6f583b
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Filesize
4.1MB
MD57cd9fa91950e3224c03a5640a5ad1553
SHA1af6dd7d12de82091d0cc221b6c277bc89f0a0953
SHA2568bab544b8e1565252c029086242d48d7b5ce5bfb6b9dce0d51c8f73a00ea3a9a
SHA5128617e85c866d19dab3374f8e8fe13c54464195e128fa2f4ebae8b543d25701cbf6558e1f890abfeab4d98cac3c1353ecd93a2e62055d0f9e78ad7fb88ce82ab9
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec