Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 08:56
Static task
static1
Behavioral task
behavioral1
Sample
52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe
Resource
win10v2004-20240508-en
General
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Target
52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe
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Size
4.1MB
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MD5
7e8c5b374b410c597095c3cae7c96514
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SHA1
4be48ec997f0fa9b212f69028a73c3892c5923e7
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SHA256
52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7
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SHA512
64da2af5667f3d851bb389074a28b8dc57432d80d582f5552d0524192342efe8b6560446c6f4e864ebedfa1a37798b3ae89d9206b14b510f32c06663cad15ef1
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SSDEEP
98304:QvCQaDBnSWO/B+XxjapSyZlG1PnsYHdaWgIg92gsnC3bzMZh6P1p:QvC3DFSWO/BjYGk1PnXHoWWZ1za6Np
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/2508-2-0x0000000004460000-0x0000000004D4B000-memory.dmp family_glupteba behavioral1/memory/2508-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2508-52-0x0000000004460000-0x0000000004D4B000-memory.dmp family_glupteba behavioral1/memory/2508-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2508-51-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/1440-131-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-216-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-226-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-228-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-230-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-232-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-234-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-236-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-238-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-240-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-242-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-244-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-246-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba behavioral1/memory/3164-248-0x0000000000400000-0x0000000002365000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3300 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3164 csrss.exe 2088 injector.exe 3556 windefender.exe 4868 windefender.exe -
resource yara_rule behavioral1/files/0x000900000002331b-219.dat upx behavioral1/memory/3556-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4868-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3556-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4868-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4868-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 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 -
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 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.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 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4764 sc.exe -
pid Process 2472 powershell.exe 3372 powershell.exe 2408 powershell.exe 2672 powershell.exe 4692 powershell.exe 1736 powershell.exe 2676 powershell.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4236 2508 WerFault.exe 89 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2084 schtasks.exe 1848 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,-791 = "SA Western Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.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,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-661 = "Cen. Australia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates 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\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-532 = "Sri Lanka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2041 = "Eastern Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.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,-71 = "Newfoundland Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2676 powershell.exe 2676 powershell.exe 2676 powershell.exe 2508 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 2508 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 2472 powershell.exe 2472 powershell.exe 2472 powershell.exe 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 3372 powershell.exe 3372 powershell.exe 3372 powershell.exe 2408 powershell.exe 2408 powershell.exe 2408 powershell.exe 2672 powershell.exe 2672 powershell.exe 2672 powershell.exe 4692 powershell.exe 4692 powershell.exe 4692 powershell.exe 1736 powershell.exe 1736 powershell.exe 1736 powershell.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 3164 csrss.exe 3164 csrss.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 3164 csrss.exe 3164 csrss.exe 2088 injector.exe 2088 injector.exe 3164 csrss.exe 3164 csrss.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe 2088 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2676 powershell.exe Token: SeDebugPrivilege 2508 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Token: SeImpersonatePrivilege 2508 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe Token: SeDebugPrivilege 2472 powershell.exe Token: SeDebugPrivilege 3372 powershell.exe Token: SeDebugPrivilege 2408 powershell.exe Token: SeDebugPrivilege 2672 powershell.exe Token: SeDebugPrivilege 4692 powershell.exe Token: SeDebugPrivilege 1736 powershell.exe Token: SeSystemEnvironmentPrivilege 3164 csrss.exe Token: SeSecurityPrivilege 4764 sc.exe Token: SeSecurityPrivilege 4764 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2508 wrote to memory of 2676 2508 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 93 PID 2508 wrote to memory of 2676 2508 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 93 PID 2508 wrote to memory of 2676 2508 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 93 PID 1440 wrote to memory of 2472 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 102 PID 1440 wrote to memory of 2472 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 102 PID 1440 wrote to memory of 2472 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 102 PID 1440 wrote to memory of 4676 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 105 PID 1440 wrote to memory of 4676 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 105 PID 4676 wrote to memory of 3300 4676 cmd.exe 107 PID 4676 wrote to memory of 3300 4676 cmd.exe 107 PID 1440 wrote to memory of 3372 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 108 PID 1440 wrote to memory of 3372 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 108 PID 1440 wrote to memory of 3372 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 108 PID 1440 wrote to memory of 2408 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 110 PID 1440 wrote to memory of 2408 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 110 PID 1440 wrote to memory of 2408 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 110 PID 1440 wrote to memory of 3164 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 112 PID 1440 wrote to memory of 3164 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 112 PID 1440 wrote to memory of 3164 1440 52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe 112 PID 3164 wrote to memory of 2672 3164 csrss.exe 114 PID 3164 wrote to memory of 2672 3164 csrss.exe 114 PID 3164 wrote to memory of 2672 3164 csrss.exe 114 PID 3164 wrote to memory of 4692 3164 csrss.exe 120 PID 3164 wrote to memory of 4692 3164 csrss.exe 120 PID 3164 wrote to memory of 4692 3164 csrss.exe 120 PID 3164 wrote to memory of 1736 3164 csrss.exe 124 PID 3164 wrote to memory of 1736 3164 csrss.exe 124 PID 3164 wrote to memory of 1736 3164 csrss.exe 124 PID 3164 wrote to memory of 2088 3164 csrss.exe 127 PID 3164 wrote to memory of 2088 3164 csrss.exe 127 PID 3556 wrote to memory of 2996 3556 windefender.exe 134 PID 3556 wrote to memory of 2996 3556 windefender.exe 134 PID 3556 wrote to memory of 2996 3556 windefender.exe 134 PID 2996 wrote to memory of 4764 2996 cmd.exe 135 PID 2996 wrote to memory of 4764 2996 cmd.exe 135 PID 2996 wrote to memory of 4764 2996 cmd.exe 135 -
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\52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe"C:\Users\Admin\AppData\Local\Temp\52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2676
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C:\Users\Admin\AppData\Local\Temp\52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.exe"C:\Users\Admin\AppData\Local\Temp\52a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7.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:1440 -
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:2472
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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:4676 -
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:3300
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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:3372
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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:2408
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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:3164 -
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:2672
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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:2084
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3372
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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:4692
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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:1736
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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:2088
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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:1848
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3556 -
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:2996 -
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:4764
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2508 -s 9202⤵
- Program crash
PID:4236
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2508 -ip 25081⤵PID:4692
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4124,i,6166776566165096562,4582328833313060853,262144 --variations-seed-version --mojo-platform-channel-handle=3928 /prefetch:81⤵PID:2544
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4868
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5838fff7516f970cc56bdc68c0d75413c
SHA16560b1506d47de4ae351c2da99745019c85e70d6
SHA256aa787515bb0ac3dc822ddd64f95e1a01dc9b68e5358f0ccfb9ca4156aaa27158
SHA512c2fe4cb894da81dc2a5731d24de4ee7dc2af4f90670f185ddd73f835dbcefbfe6d38f01a44f430fdcdc3cec6735b8f9c4d783d172b7fcaa459f69290a06c04eb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b6096c1506ebf7858fb986f2a3e814df
SHA13f71a0a3ca556a321a936f7cd23a89991d2a1268
SHA2563854b433919dffaa4767d8b13e09008a81d43c787a5b6579919841d823c328a1
SHA51224764410a06f45c3f9963f0bae72f392593218cc75a7f5c336e826d01a77fb36507e766159836b214dab92d36ee5d383e8fdcbde27e14def9d2e4adc39776e96
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5466a2936133f606f5f6fc7be41c3d897
SHA110c1704b3e71f689b782e7b797f1a463124f1bfa
SHA256dee0dd0d69bcb1f10766158361dd3fac48dfa99f1864abe2034e65963db28582
SHA51295118c92424c4812f1512a600f83914073f508f142e06d53691feed359d3d9a622944ae6a4bc76c5a48731557f4333c105fbb5d4b6c23152f7af979fb04b7777
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56de46b62d215ce36af289dc265a36e04
SHA1c635c460f79efc2d6a2a449540e7809eb5766d97
SHA25687daa4409091c7730940cef06594852ee7fabdd7a52124c7fe38d17847b86626
SHA5122c4385fe8f9b04a427a1b25d6a0b9ceb206904595bec8c91b5bc0b570ba542990496791830d3d0bd17f32a7c1141611537d99e8a4ceb9361d3403ac83cd2011a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bb16afadf7763d8d74c12685dd128628
SHA15de9c3af56f521efc0995513e8ac30c558661551
SHA256636b2858607960ca7471f1b8ca66c8aae01440f4e4fa0c467c35d2e776106605
SHA512f7a249fc9e8486a6b64b4cc06a5379070866327e48f317435ff951e7ba733303f48b023034f0c01651516f0919d5af32c0376a8773a96616c0faf345f68fe4e7
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Filesize
4.1MB
MD57e8c5b374b410c597095c3cae7c96514
SHA14be48ec997f0fa9b212f69028a73c3892c5923e7
SHA25652a49084508454796d72c2927ca01d5a112aed8bbd79956c923d4038b44cd8d7
SHA51264da2af5667f3d851bb389074a28b8dc57432d80d582f5552d0524192342efe8b6560446c6f4e864ebedfa1a37798b3ae89d9206b14b510f32c06663cad15ef1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec