Analysis
-
max time kernel
326s -
max time network
329s -
platform
windows10-1703_x64 -
resource
win10-20240221-en -
resource tags
arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system -
submitted
29-02-2024 05:02
Static task
static1
Behavioral task
behavioral1
Sample
bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe
Resource
win7-20240221-en
General
-
Target
bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe
-
Size
4.1MB
-
MD5
bf257d2f4103b21c7f14bad1a61353ec
-
SHA1
7d9c7dac58f6057957ad032d8c057debafd8e62e
-
SHA256
bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882
-
SHA512
d4ba7fbde1d53f01263f2c65514732026f434ec2e461fd8fb7a2398c52b8d25edc047b2b45595bb14d5e4e761e52842b88b0f093406741d9ad078a68c5e07363
-
SSDEEP
98304:7yGuBgAwnQem+Uql0Dgxel+ktF5CaAW9LUaE13xxYjoS:buenwlERxel3qa4VhxIz
Malware Config
Signatures
-
Glupteba payload 38 IoCs
resource yara_rule behavioral2/memory/4772-2-0x0000000003EA0000-0x000000000478B000-memory.dmp family_glupteba behavioral2/memory/4772-3-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/4772-4-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/4772-156-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/4772-157-0x0000000003EA0000-0x000000000478B000-memory.dmp family_glupteba behavioral2/memory/4772-304-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1972-307-0x0000000003EF0000-0x00000000047DB000-memory.dmp family_glupteba behavioral2/memory/1972-308-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1972-546-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1972-592-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1972-828-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/1972-1053-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1057-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1333-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1805-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1814-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1816-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1818-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1820-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1822-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1824-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1826-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1828-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1830-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1832-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1834-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1836-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1838-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1840-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1842-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1844-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1846-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1848-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1850-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1852-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1854-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1856-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba behavioral2/memory/2604-1858-0x0000000000400000-0x0000000001E0F000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1156 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2604 csrss.exe 3192 injector.exe 4108 windefender.exe 4124 windefender.exe -
resource yara_rule behavioral2/files/0x000700000001ac32-1808.dat upx behavioral2/memory/4108-1813-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4124-1815-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4124-1819-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1903027113-674645041-2759338396-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\S-1-5-21-1903027113-674645041-2759338396-1000\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.
-
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 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe File created C:\Windows\rss\csrss.exe bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.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 1080 sc.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 3912 schtasks.exe 5008 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2322 = "Sakhalin Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk Standard Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2412 = "Marquesas Standard Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-385 = "Namibia Standard Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-981 = "Kamchatka Daylight Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 csrss.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5004 powershell.exe 5004 powershell.exe 5004 powershell.exe 4772 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 4772 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 4340 powershell.exe 4340 powershell.exe 4340 powershell.exe 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 1128 powershell.exe 1128 powershell.exe 1128 powershell.exe 4800 powershell.exe 4800 powershell.exe 4800 powershell.exe 4088 powershell.exe 4088 powershell.exe 4088 powershell.exe 212 powershell.exe 212 powershell.exe 212 powershell.exe 5040 powershell.exe 5040 powershell.exe 5040 powershell.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 2604 csrss.exe 2604 csrss.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 2604 csrss.exe 2604 csrss.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 2604 csrss.exe 2604 csrss.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe 3192 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 5004 powershell.exe Token: SeDebugPrivilege 4772 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Token: SeImpersonatePrivilege 4772 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeDebugPrivilege 1128 powershell.exe Token: SeDebugPrivilege 4800 powershell.exe Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 212 powershell.exe Token: SeDebugPrivilege 5040 powershell.exe Token: SeSystemEnvironmentPrivilege 2604 csrss.exe Token: SeSecurityPrivilege 1080 sc.exe Token: SeSecurityPrivilege 1080 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4772 wrote to memory of 5004 4772 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 75 PID 4772 wrote to memory of 5004 4772 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 75 PID 4772 wrote to memory of 5004 4772 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 75 PID 1972 wrote to memory of 4340 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 80 PID 1972 wrote to memory of 4340 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 80 PID 1972 wrote to memory of 4340 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 80 PID 1972 wrote to memory of 4736 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 82 PID 1972 wrote to memory of 4736 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 82 PID 4736 wrote to memory of 1156 4736 cmd.exe 84 PID 4736 wrote to memory of 1156 4736 cmd.exe 84 PID 1972 wrote to memory of 1128 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 85 PID 1972 wrote to memory of 1128 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 85 PID 1972 wrote to memory of 1128 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 85 PID 1972 wrote to memory of 4800 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 87 PID 1972 wrote to memory of 4800 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 87 PID 1972 wrote to memory of 4800 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 87 PID 1972 wrote to memory of 2604 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 89 PID 1972 wrote to memory of 2604 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 89 PID 1972 wrote to memory of 2604 1972 bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe 89 PID 2604 wrote to memory of 4088 2604 csrss.exe 90 PID 2604 wrote to memory of 4088 2604 csrss.exe 90 PID 2604 wrote to memory of 4088 2604 csrss.exe 90 PID 2604 wrote to memory of 212 2604 csrss.exe 97 PID 2604 wrote to memory of 212 2604 csrss.exe 97 PID 2604 wrote to memory of 212 2604 csrss.exe 97 PID 2604 wrote to memory of 5040 2604 csrss.exe 99 PID 2604 wrote to memory of 5040 2604 csrss.exe 99 PID 2604 wrote to memory of 5040 2604 csrss.exe 99 PID 2604 wrote to memory of 3192 2604 csrss.exe 101 PID 2604 wrote to memory of 3192 2604 csrss.exe 101 PID 4108 wrote to memory of 1012 4108 windefender.exe 108 PID 4108 wrote to memory of 1012 4108 windefender.exe 108 PID 4108 wrote to memory of 1012 4108 windefender.exe 108 PID 1012 wrote to memory of 1080 1012 cmd.exe 109 PID 1012 wrote to memory of 1080 1012 cmd.exe 109 PID 1012 wrote to memory of 1080 1012 cmd.exe 109 -
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
-
C:\Users\Admin\AppData\Local\Temp\bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe"C:\Users\Admin\AppData\Local\Temp\bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4772 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5004
-
-
C:\Users\Admin\AppData\Local\Temp\bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe"C:\Users\Admin\AppData\Local\Temp\bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882.exe"2⤵
- Windows security bypass
- Windows security modification
- 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:1972 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4340
-
-
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:4736 -
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:1156
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1128
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4800
-
-
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
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4088
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3912
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3396
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:212
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5040
-
-
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:3192
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5008
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4108 -
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:1012 -
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:1080
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4124
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
Loading Replay Monitor...
Downloads
-
Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD51c19c16e21c97ed42d5beabc93391fc5
SHA18ad83f8e0b3acf8dfbbf87931e41f0d664c4df68
SHA2561bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05
SHA5127d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD56c7038be52a0a0d380a26a47a1a1c39f
SHA19551f3ae189a52cbd9ca3779c5ebc0ccc02f81ed
SHA25617c9535221f483d34c0d186ac669363f35f2a2447f38e336883054b893b509f2
SHA512a26a0949e487201576bcbe1933b7feadab0f312d132d83a45f284be36a1fd002cf56caaa8e6e647152dba90542750ac7f9fd5b868c118924b5bae6dd79e958f0
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5b9982b914c298feb8bf47e9a9c33756d
SHA11bd767e9ca5abafc0c11284feb860721b06fd909
SHA256a69fee0c7f8b15ca9e3add5350dd4265a33d694c6e2c128ab4dd0a747b2e6050
SHA51263ecd17a674466b382a1c786338eb94edd142b7580ea4473a9251f62c5212eab72bb52e3660e41a5f6b250010ed00b0e6e288fbf3de1deb7a05f4c63ef33914e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD50486adb439e9d07a558324ffdf5916a4
SHA1f3a66959895bc8889353d7814f376dffe7df7d75
SHA256fb6aea03942f834855f3c572adddefeda0ce6b49a8b27a2cc4916969dfdc8e9e
SHA512571b3d7498d2c9e501f327f0984f20c200ed39198a87f4d6920150c81d5cb1ecc2cdbb7e2e30c1f70f3fcf5b15d352f37b726a19fb4cefe9d4f3d63632823f90
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5e98f4e145bbd29dc12a21eec08d90c5e
SHA1f762aa050a57041532a5463a9a996a9d2e215826
SHA25621539ec16b173a96dc8aaa880b3e306f1d4ff7778c5a97cca8ab569b43dc4f09
SHA5128963daecc1265f7c4a6d0014611d93e5d3fd23e16b4cda954914b1ce8edbc844954013c26f731228957b31ae34485ecd676cf9f230ae12c03dee851ccb5bdf6e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5cc3a41dfaeb2c3df3477707b7eba7c30
SHA19d5105e6317d80c406d5460f72f97c07c48b1929
SHA256ae24ca7abca3b46ca5057511c53131d65b8ab99b8906655c38af76e36346cd3a
SHA512f03f38451860c06869a72008a01d503ca972e58d6ba0137788b30290d461950e037e53b55e9f5b9b47129db5da7a68b0f9e457d73f9b313b3118010cf9ccf79a
-
Filesize
32KB
MD53631abc0333066013ea98aae108fc00d
SHA14ffcd52443dfbd8d10d8f475e1ecbd2e28c3b105
SHA256910f9a0d726e4e153d6e94ca0fb5f376352377ae420c2f701feac9aab1f88774
SHA512672af9b586173504a48025fa177a8c776c8e3affffdd71b757a324bbcc8ac308698dfe8bc08b0e8cadffb670eb6577ae58309257938c51c360c27f89198ec931
-
Filesize
4.1MB
MD5bf257d2f4103b21c7f14bad1a61353ec
SHA17d9c7dac58f6057957ad032d8c057debafd8e62e
SHA256bfb53e5751a438d100dd7f12155182b7b180332e87e8ec4b1325aa34fa10f882
SHA512d4ba7fbde1d53f01263f2c65514732026f434ec2e461fd8fb7a2398c52b8d25edc047b2b45595bb14d5e4e761e52842b88b0f093406741d9ad078a68c5e07363
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec