Analysis
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max time kernel
150s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
16/05/2024, 10:24
Static task
static1
Behavioral task
behavioral1
Sample
17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe
Resource
win10v2004-20240508-en
General
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Target
17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe
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Size
4.1MB
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MD5
45f2f176b152e4b59722004567f7b340
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SHA1
93aea44a54e20bb28636d74a1c60cfcc01e28804
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SHA256
17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa
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SHA512
288191e726dd66453e909181e730a590bcbe5757c6d18c014f1437559c17df333a163d71daecb04192be5fc7429403cd0de5e653e2276c8cc37b78943f2286e0
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SSDEEP
98304:dBH5QtHgtXZGwxAeX68LG3wNCsYjHyiS0gsLIyJOWEFSdaDQG3a9ntC:dBZQtHgtXlxHq4G3ixkyiJTOnSQDy9ng
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/4872-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/4872-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4872-77-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4872-111-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3456-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-195-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-209-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-214-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-235-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-238-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4044-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4092 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4044 csrss.exe 1152 injector.exe 844 windefender.exe 1468 windefender.exe -
resource yara_rule behavioral2/files/0x000400000002aa41-205.dat upx behavioral2/memory/844-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1468-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/844-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1468-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1468-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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\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 File created 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 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe File created C:\Windows\rss\csrss.exe 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.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 460 sc.exe -
pid Process 5000 powershell.exe 480 powershell.exe 4168 powershell.exe 3604 powershell.exe 4324 powershell.exe 3764 powershell.exe 2076 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 1648 schtasks.exe 4336 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,-365 = "Middle East Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2871 = "Magallanes Daylight Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.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,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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,-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,-151 = "Central America Daylight Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.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" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2432 = "Cuba Standard 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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4324 powershell.exe 4324 powershell.exe 4872 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 4872 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 3764 powershell.exe 3764 powershell.exe 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 2076 powershell.exe 2076 powershell.exe 5000 powershell.exe 5000 powershell.exe 480 powershell.exe 480 powershell.exe 4168 powershell.exe 4168 powershell.exe 3604 powershell.exe 3604 powershell.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 4044 csrss.exe 4044 csrss.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 4044 csrss.exe 4044 csrss.exe 1152 injector.exe 1152 injector.exe 4044 csrss.exe 4044 csrss.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe 1152 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 4872 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Token: SeImpersonatePrivilege 4872 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe Token: SeDebugPrivilege 3764 powershell.exe Token: SeDebugPrivilege 2076 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 480 powershell.exe Token: SeDebugPrivilege 4168 powershell.exe Token: SeDebugPrivilege 3604 powershell.exe Token: SeSystemEnvironmentPrivilege 4044 csrss.exe Token: SeSecurityPrivilege 460 sc.exe Token: SeSecurityPrivilege 460 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4872 wrote to memory of 4324 4872 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 82 PID 4872 wrote to memory of 4324 4872 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 82 PID 4872 wrote to memory of 4324 4872 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 82 PID 3456 wrote to memory of 3764 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 89 PID 3456 wrote to memory of 3764 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 89 PID 3456 wrote to memory of 3764 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 89 PID 3456 wrote to memory of 4564 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 91 PID 3456 wrote to memory of 4564 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 91 PID 4564 wrote to memory of 4092 4564 cmd.exe 93 PID 4564 wrote to memory of 4092 4564 cmd.exe 93 PID 3456 wrote to memory of 2076 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 97 PID 3456 wrote to memory of 2076 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 97 PID 3456 wrote to memory of 2076 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 97 PID 3456 wrote to memory of 5000 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 99 PID 3456 wrote to memory of 5000 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 99 PID 3456 wrote to memory of 5000 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 99 PID 3456 wrote to memory of 4044 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 101 PID 3456 wrote to memory of 4044 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 101 PID 3456 wrote to memory of 4044 3456 17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe 101 PID 4044 wrote to memory of 480 4044 csrss.exe 102 PID 4044 wrote to memory of 480 4044 csrss.exe 102 PID 4044 wrote to memory of 480 4044 csrss.exe 102 PID 4044 wrote to memory of 4168 4044 csrss.exe 108 PID 4044 wrote to memory of 4168 4044 csrss.exe 108 PID 4044 wrote to memory of 4168 4044 csrss.exe 108 PID 4044 wrote to memory of 3604 4044 csrss.exe 110 PID 4044 wrote to memory of 3604 4044 csrss.exe 110 PID 4044 wrote to memory of 3604 4044 csrss.exe 110 PID 4044 wrote to memory of 1152 4044 csrss.exe 112 PID 4044 wrote to memory of 1152 4044 csrss.exe 112 PID 844 wrote to memory of 4912 844 windefender.exe 118 PID 844 wrote to memory of 4912 844 windefender.exe 118 PID 844 wrote to memory of 4912 844 windefender.exe 118 PID 4912 wrote to memory of 460 4912 cmd.exe 119 PID 4912 wrote to memory of 460 4912 cmd.exe 119 PID 4912 wrote to memory of 460 4912 cmd.exe 119 -
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\17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe"C:\Users\Admin\AppData\Local\Temp\17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4872 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4324
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C:\Users\Admin\AppData\Local\Temp\17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.exe"C:\Users\Admin\AppData\Local\Temp\17fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa.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:3456 -
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:3764
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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:4564 -
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:4092
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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:2076
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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:5000
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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:4044 -
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:480
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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:1648
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2528
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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:4168
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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:3604
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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:1152
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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:4336
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:844 -
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:4912 -
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:460
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1468
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5387658a5e6279f6ff1a7c8d0abf099d4
SHA103d9e9235b3610678583bf3c327540277283adc0
SHA25616c7dbf33e7584570bdaa77acc9c0e47706e1b75ac96b0471cb2b59dfcb27a18
SHA5122c8313e18fa2fe202ec10ab61a9549cb03b083df61171a700357479692957d91071748725344f80c48c51fdd13d79c6a9f88efe3b2b0afd43e2eb45b200fb2a3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5525b4aee64c45867743ab36141bd379d
SHA1527303f98ff51a9aca99517256351bea57df22bf
SHA2561ca54ba5ea0e8044eba63d0469eb5d44f83702405c0336c270fe800f937052f9
SHA512e7cd8fd6dba796b4b6031f3f52e082ec8121f5eaa7b88ab722c691bc3e58cf76580b5451a8b7a98505c8f210abfa24edcd1b33113a2cbcd5c5a3ef4544d04138
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5362b1646df799282a0112cc15fba817b
SHA1d017916e3e14d20e7fef505cf3f1fbc155b241d7
SHA256b1d7136c5e92dc475fe50d3c63eb64c18e3fe11c0e77cfa973f9c0d690a14fd8
SHA512b3695d9ed74f1af3a7a4cd6f99540c67a251ef31b4c0cfb7587870892c2f04c7faee0c7d9f577a0268eb7cebfa49ef705681f584ecfab70d02c2baa4149e0832
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cf4246b42028305286fb8b1a7e769c92
SHA151ff284c36d7539b940f4f0a7c6686e839fae0c7
SHA25621df766e72270c1b4b8b780803d37df1c8312a6a5fc3225718fa8bc116372dc6
SHA51284af47507060e91674f5a3d4efe246a513593b1fb29edad92c2718a43b023ea34a6c618d9ca60d1b1a80b4d6c1ac625cb44b40b2be81cd0e2b3ab7df1c7e4a06
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5aac2ee96025ff77fee771f353470a32d
SHA1062b12cf262c4586aa2c819ad8a10012ba042fb6
SHA256e36974926df940f9742c9195002a6964ee3b88a2842a7866d63459fd4b4a8510
SHA512b8a644e8ef56544e05afc820e0b6c5563cc050181572bb83953767cc324f250c5db0bd992b8ccfbbbb7b39d7727cdb61a3b62126d8262dffbb14efed6038544e
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Filesize
4.1MB
MD545f2f176b152e4b59722004567f7b340
SHA193aea44a54e20bb28636d74a1c60cfcc01e28804
SHA25617fa7cd466f579b06e8096fd7d70f6db9f6523139a7de19df0d7043da3226eaa
SHA512288191e726dd66453e909181e730a590bcbe5757c6d18c014f1437559c17df333a163d71daecb04192be5fc7429403cd0de5e653e2276c8cc37b78943f2286e0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec