Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
09/05/2024, 16:45
Static task
static1
Behavioral task
behavioral1
Sample
1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe
Resource
win10v2004-20240426-en
General
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Target
1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe
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Size
4.1MB
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MD5
b2d6159b5666d2f4bd6bab456fe7b03f
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SHA1
9081d667c4aa7180a361597b9c9ae400814939e5
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SHA256
1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb
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SHA512
1ded3d6be3c5ae1cf0ae41e77cd77d507d49b0972dfcf2f168678977262b748ed0f0065282f421b143f7f7325da2b117e176237f5c97664c37b9f6a8c89e9cab
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SSDEEP
98304:blDK2ogLLeo95J5ZPcfTDKdk17ZCPQ0/B9CeuvJXiZ9xD4RskEV31KmzJ:h7B3j0rWdEQQ059Cfd4xbkE91Kmd
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/4860-2-0x0000000005060000-0x000000000594B000-memory.dmp family_glupteba behavioral1/memory/4860-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4860-56-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4860-57-0x0000000005060000-0x000000000594B000-memory.dmp family_glupteba behavioral1/memory/4860-68-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4908-67-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/4908-136-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3600-217-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3600-229-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3600-233-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3600-237-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3600-240-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3600-245-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3600-249-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3600-253-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3600-257-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba behavioral1/memory/3600-261-0x0000000000400000-0x0000000002ED6000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 536 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3600 csrss.exe 5104 injector.exe 1836 windefender.exe 432 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023488-221.dat upx behavioral1/memory/1836-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/432-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1836-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/432-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/432-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe File created C:\Windows\rss\csrss.exe 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2220 sc.exe -
pid Process 2816 powershell.exe 452 powershell.exe 4968 powershell.exe 4552 powershell.exe 2500 powershell.exe 4996 powershell.exe 2196 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 4148 schtasks.exe 4504 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,-661 = "Cen. Australia Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.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" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs 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,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-301 = "Romance Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3051 = "Qyzylorda Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-691 = "Tasmania Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.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,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 452 powershell.exe 452 powershell.exe 4860 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4860 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4968 powershell.exe 4968 powershell.exe 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 4552 powershell.exe 4552 powershell.exe 2500 powershell.exe 2500 powershell.exe 4996 powershell.exe 4996 powershell.exe 2196 powershell.exe 2196 powershell.exe 2816 powershell.exe 2816 powershell.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 3600 csrss.exe 3600 csrss.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 3600 csrss.exe 3600 csrss.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 3600 csrss.exe 3600 csrss.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe 5104 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 452 powershell.exe Token: SeDebugPrivilege 4860 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Token: SeImpersonatePrivilege 4860 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe Token: SeDebugPrivilege 4968 powershell.exe Token: SeDebugPrivilege 4552 powershell.exe Token: SeDebugPrivilege 2500 powershell.exe Token: SeDebugPrivilege 4996 powershell.exe Token: SeDebugPrivilege 2196 powershell.exe Token: SeDebugPrivilege 2816 powershell.exe Token: SeSystemEnvironmentPrivilege 3600 csrss.exe Token: SeSecurityPrivilege 2220 sc.exe Token: SeSecurityPrivilege 2220 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4860 wrote to memory of 452 4860 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 91 PID 4860 wrote to memory of 452 4860 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 91 PID 4860 wrote to memory of 452 4860 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 91 PID 4908 wrote to memory of 4968 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 97 PID 4908 wrote to memory of 4968 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 97 PID 4908 wrote to memory of 4968 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 97 PID 4908 wrote to memory of 1356 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 99 PID 4908 wrote to memory of 1356 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 99 PID 1356 wrote to memory of 536 1356 cmd.exe 101 PID 1356 wrote to memory of 536 1356 cmd.exe 101 PID 4908 wrote to memory of 4552 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 102 PID 4908 wrote to memory of 4552 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 102 PID 4908 wrote to memory of 4552 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 102 PID 4908 wrote to memory of 2500 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 104 PID 4908 wrote to memory of 2500 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 104 PID 4908 wrote to memory of 2500 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 104 PID 4908 wrote to memory of 3600 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 106 PID 4908 wrote to memory of 3600 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 106 PID 4908 wrote to memory of 3600 4908 1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe 106 PID 3600 wrote to memory of 4996 3600 csrss.exe 109 PID 3600 wrote to memory of 4996 3600 csrss.exe 109 PID 3600 wrote to memory of 4996 3600 csrss.exe 109 PID 3600 wrote to memory of 2196 3600 csrss.exe 114 PID 3600 wrote to memory of 2196 3600 csrss.exe 114 PID 3600 wrote to memory of 2196 3600 csrss.exe 114 PID 3600 wrote to memory of 2816 3600 csrss.exe 117 PID 3600 wrote to memory of 2816 3600 csrss.exe 117 PID 3600 wrote to memory of 2816 3600 csrss.exe 117 PID 3600 wrote to memory of 5104 3600 csrss.exe 119 PID 3600 wrote to memory of 5104 3600 csrss.exe 119 PID 1836 wrote to memory of 3624 1836 windefender.exe 125 PID 1836 wrote to memory of 3624 1836 windefender.exe 125 PID 1836 wrote to memory of 3624 1836 windefender.exe 125 PID 3624 wrote to memory of 2220 3624 cmd.exe 126 PID 3624 wrote to memory of 2220 3624 cmd.exe 126 PID 3624 wrote to memory of 2220 3624 cmd.exe 126 -
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\1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe"C:\Users\Admin\AppData\Local\Temp\1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4860 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:452
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C:\Users\Admin\AppData\Local\Temp\1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.exe"C:\Users\Admin\AppData\Local\Temp\1c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb.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:4908 -
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:4968
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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:1356 -
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:536
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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:4552
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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:2500
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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:3600 -
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:4996
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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:4148
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1460
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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:2196
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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:2816
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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:5104
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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:4504
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1836 -
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:3624 -
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:2220
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:432
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
MD5f37e0fff075169ac718c1fcc7cd3cc53
SHA1dd5ffea9fbb58265e545a373e626688b3645b0fd
SHA25606cfa935ed2f407a6eb13d6912c6b293ffebd975b3d19e2d800942011ab9332b
SHA5123ab74938ff7fda69beba7d241fff6e546c74c308541044da91a73641f2b58dd70bfff6d689accdc36f86a3bf572d0aa577d2722a7d4289d92a07298ded5f89eb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD509e7a29aece1d6765c76404596266f07
SHA18dd24e5e596d2e6e934b4d32ceb59ae71e3ad4d4
SHA256c93471c191c09677a05ce993b847997924dedb456ed645046880cde16e3bc869
SHA5122bba46804759894e85e706fac2b35f767258c5dc6917973965fe0e60172bee1a5c37cfe41bc2b39d1281f2aca41e039faddc5a2a3ba56d6e57e8074a9fd2d7af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5446c0c3b7ee47c6b6d2945b820b1b822
SHA119b9da05e05d780bbf580181ffcedc1e5a4cd06c
SHA256842463b4b13027cd25188d709351490c9b8fc8631a13c05220c9c4b2db7a046a
SHA51237b93b6d25385c1760295e5793dedcf6ccb83ed2fd0614d8be04692f4e141cdd3a5f5622d171cf4d58c592600fbb33a6e42e1c4533efafada321c8e775add4af
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55eaafc8dc1e062d4a610ae8246578da0
SHA1ec6532007cdfea71adcfe1c8a96c8c458be4bf34
SHA25689c89cba7b53340f7a99048df581362835b6b3f6c3b955b26c1dc451e30f92d8
SHA5120c218c1a384730eec91a038d1dc755ac29d423954dab31eb0f793a7aa17093b585860254479ee83c8b985d4c9c56a69bb9af19c18e0b2ab275da54bc983b01fa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e9989ad1917f196a8778dbc151c7470d
SHA1bce199086b64204c61acfddc1657f4c4c643b94d
SHA25612b52ac78e31b0b3bb4349af8e9981c4859d240bd389c0450f9d0fff1b7bc76f
SHA5127f7d871001d7a9ef3c9d536223c708a1d31a709f204b7e0460ad7f47225d8542685f843e7be752ee9da144423dccf16e296f9c974d7fce30130b1ae9083ff90c
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Filesize
4.1MB
MD5b2d6159b5666d2f4bd6bab456fe7b03f
SHA19081d667c4aa7180a361597b9c9ae400814939e5
SHA2561c140d9eae8dded95d0a83d3b909b77632725fdf130eb8f28a5ec4717224b2bb
SHA5121ded3d6be3c5ae1cf0ae41e77cd77d507d49b0972dfcf2f168678977262b748ed0f0065282f421b143f7f7325da2b117e176237f5c97664c37b9f6a8c89e9cab
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec