Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 14:03
Static task
static1
Behavioral task
behavioral1
Sample
1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe
Resource
win10v2004-20240426-en
General
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Target
1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe
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Size
4.1MB
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MD5
020f8317a10199696c559739689f75dd
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SHA1
d18e7ac271b5e303538314de2640455050c4954c
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SHA256
1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4
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SHA512
e582ff0c018ca32014c6928476d123155ce73636d4c192356fbc4d9deebbc99a85b40d54cb1dfe592ef5576210e32d9cbadf26331545a70f6b2c5acdb7d3e718
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SSDEEP
98304:IuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBSh:IuOpIddBi3V8Ojm7gWylM939CM
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4560-2-0x0000000004B00000-0x00000000053EB000-memory.dmp family_glupteba behavioral2/memory/4560-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4560-98-0x0000000004B00000-0x00000000053EB000-memory.dmp family_glupteba behavioral2/memory/4560-97-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4436-123-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4560-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1012-200-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1012-211-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1012-213-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1012-216-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1012-220-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1012-223-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1012-225-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1012-229-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1012-232-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1012-235-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1012-237-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1012-241-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/1012-244-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4776 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 1012 csrss.exe 3112 injector.exe 4252 windefender.exe 1332 windefender.exe -
resource yara_rule behavioral2/files/0x000400000002a9a6-204.dat upx behavioral2/memory/4252-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1332-208-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4252-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1332-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1332-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe File created C:\Windows\rss\csrss.exe 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.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 872 sc.exe -
pid Process 4196 powershell.exe 1988 powershell.exe 2192 powershell.exe 3988 powershell.exe 4636 powershell.exe 4248 powershell.exe 2592 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 2684 schtasks.exe 1936 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.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\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-831 = "SA Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-449 = "Azerbaijan Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-512 = "Central Asia Standard Time" 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4248 powershell.exe 4248 powershell.exe 4560 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4560 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 2592 powershell.exe 2592 powershell.exe 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 4196 powershell.exe 4196 powershell.exe 1988 powershell.exe 1988 powershell.exe 2192 powershell.exe 2192 powershell.exe 3988 powershell.exe 3988 powershell.exe 4636 powershell.exe 4636 powershell.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 1012 csrss.exe 1012 csrss.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 1012 csrss.exe 1012 csrss.exe 3112 injector.exe 3112 injector.exe 1012 csrss.exe 1012 csrss.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4248 powershell.exe Token: SeDebugPrivilege 4560 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Token: SeImpersonatePrivilege 4560 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe Token: SeDebugPrivilege 2592 powershell.exe Token: SeDebugPrivilege 4196 powershell.exe Token: SeDebugPrivilege 1988 powershell.exe Token: SeDebugPrivilege 2192 powershell.exe Token: SeDebugPrivilege 3988 powershell.exe Token: SeDebugPrivilege 4636 powershell.exe Token: SeSystemEnvironmentPrivilege 1012 csrss.exe Token: SeSecurityPrivilege 872 sc.exe Token: SeSecurityPrivilege 872 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4560 wrote to memory of 4248 4560 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 81 PID 4560 wrote to memory of 4248 4560 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 81 PID 4560 wrote to memory of 4248 4560 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 81 PID 4436 wrote to memory of 2592 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 86 PID 4436 wrote to memory of 2592 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 86 PID 4436 wrote to memory of 2592 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 86 PID 4436 wrote to memory of 2260 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 88 PID 4436 wrote to memory of 2260 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 88 PID 2260 wrote to memory of 4776 2260 cmd.exe 90 PID 2260 wrote to memory of 4776 2260 cmd.exe 90 PID 4436 wrote to memory of 4196 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 91 PID 4436 wrote to memory of 4196 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 91 PID 4436 wrote to memory of 4196 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 91 PID 4436 wrote to memory of 1988 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 93 PID 4436 wrote to memory of 1988 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 93 PID 4436 wrote to memory of 1988 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 93 PID 4436 wrote to memory of 1012 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 95 PID 4436 wrote to memory of 1012 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 95 PID 4436 wrote to memory of 1012 4436 1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe 95 PID 1012 wrote to memory of 2192 1012 csrss.exe 96 PID 1012 wrote to memory of 2192 1012 csrss.exe 96 PID 1012 wrote to memory of 2192 1012 csrss.exe 96 PID 1012 wrote to memory of 3988 1012 csrss.exe 102 PID 1012 wrote to memory of 3988 1012 csrss.exe 102 PID 1012 wrote to memory of 3988 1012 csrss.exe 102 PID 1012 wrote to memory of 4636 1012 csrss.exe 104 PID 1012 wrote to memory of 4636 1012 csrss.exe 104 PID 1012 wrote to memory of 4636 1012 csrss.exe 104 PID 1012 wrote to memory of 3112 1012 csrss.exe 106 PID 1012 wrote to memory of 3112 1012 csrss.exe 106 PID 4252 wrote to memory of 2820 4252 windefender.exe 118 PID 4252 wrote to memory of 2820 4252 windefender.exe 118 PID 4252 wrote to memory of 2820 4252 windefender.exe 118 PID 2820 wrote to memory of 872 2820 cmd.exe 119 PID 2820 wrote to memory of 872 2820 cmd.exe 119 PID 2820 wrote to memory of 872 2820 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\1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe"C:\Users\Admin\AppData\Local\Temp\1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4560 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4248
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C:\Users\Admin\AppData\Local\Temp\1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.exe"C:\Users\Admin\AppData\Local\Temp\1ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4.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:4436 -
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:2592
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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:2260 -
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:4776
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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:4196
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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:1988
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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:1012 -
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:2192
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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:2684
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1464
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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:3988
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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:4636
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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:3112
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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:1936
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4252 -
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:2820 -
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:872
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1332
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52b7cb35d6456228788d6a80a04b2a118
SHA1d0d8a17ff004471048553d31db2535c3fbbbb77a
SHA256456807e5dbf538a06e845d97eb79ae5d5fc6e9fdc5a5593aa402d2f62102616a
SHA512240388e292dcb484524cd4f4b600f79bb1cd1e0aeb9665f00714a54fae27f960eaaf6e383916d0d2b6b365197b0cb12bcbb63cefc8c4e4e03b43b6c2d74061f7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2d916a45ed81d74c1ebd9604848c745
SHA18d442b1b0c958fb62e121ee2c6b6a2c74c251692
SHA256bee66dd69e26c752b224d44c41d61a3eb7ff6721be5d24bf919ed6fd7e4aeabe
SHA51257c2968630718d8dc2bfe69e0ac0f8a8e4899fd5a3cb6ddfbb3cee935398e88213f6bcbf343b8a651ffee553d42455191a060f97d58c7c772bc58bbdfa44ff9b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59a92f7fd1f302af941be9a500fb339b5
SHA139fd9569a8027ab085341407ffbf933ee0910796
SHA2562c3df7d508669a59036460327a6b2457dad3c8c81f7c39df42cdba77be38f0f6
SHA512964c7cdd8668d54bdbd1843ba1944b3506791d6ce34e451074433e5d15f493fb9d4a49f4d3d4cd4c1335cf9e554c4631cf14db491ca6b3d175a63e7435d50de7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53ee324173f1542943ab80bfadc1fffa8
SHA1aafe4e4a23d7ba858d9ce0ad45780424a448b112
SHA256dc04ec2a06e0bc5ed128e02aec0f7d79b90bfc588068220a5b827c469ad89805
SHA51252e4c85fb46b96321e043a5f15ac165c94f1d446b1b9e76b46b2615b9ecb47f028d7b6c81b2fb5dc0fe246a577820349755c24add76466aecc1121328dc0befb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5228d8c2363fb0d54edd4059b8b835089
SHA1bfb0f62a662ee0102a66c2ef25788e032953d049
SHA2564c314abc9a83c5c856083b5f22eb7262da401cdfaa3c5bb934847d2229a79e80
SHA512bb0f72a78766880639aace7ecb8814dbb14abe14262dc61265d155f291efc7f33bfa2739c7f01d02a9e17715020f2ea2f7089eaaa8d2a62aa5d4b8e8e9dca442
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Filesize
4.1MB
MD5020f8317a10199696c559739689f75dd
SHA1d18e7ac271b5e303538314de2640455050c4954c
SHA2561ccd82eea69db23eee29d8c582b0d00fa446fb5c17d9f66ff1be975e386e0bd4
SHA512e582ff0c018ca32014c6928476d123155ce73636d4c192356fbc4d9deebbc99a85b40d54cb1dfe592ef5576210e32d9cbadf26331545a70f6b2c5acdb7d3e718
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec