Analysis
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max time kernel
149s -
max time network
133s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-05-2024 04:49
Static task
static1
Behavioral task
behavioral1
Sample
076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe
Resource
win10v2004-20240508-en
General
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Target
076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe
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Size
4.1MB
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MD5
52c72870afb8493030f57b8c31bff8a3
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SHA1
048b2fb743773929923f43236cd3564e28c23d89
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SHA256
076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5
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SHA512
cb4219f0de2714d180ba0eff993dd38e867c9380da2993e429ddffb1ec77f3cb8a2bcb374e50e3992dd3206dc7150aa371af25fb97408592d87b505b9ca27afd
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SSDEEP
98304:vquwTfmIkbquibhaubey8xw4weLmAcL8k4+6XNB3Rebmbqb0f:ALmIkbquibpii2yAk4+2fEKmbc
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/3516-2-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3516-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3516-77-0x0000000002E20000-0x000000000370B000-memory.dmp family_glupteba behavioral2/memory/3516-75-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4464-121-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4464-126-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-196-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-215-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-217-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-225-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-229-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-237-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4916-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2444 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4916 csrss.exe 3112 injector.exe 5072 windefender.exe 868 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/5072-206-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/868-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/5072-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/868-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/868-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription 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.
Processes:
076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exedescription ioc process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe File created C:\Windows\rss\csrss.exe 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 1964 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 4460 powershell.exe 2304 powershell.exe 5044 powershell.exe 2948 powershell.exe 1732 powershell.exe 4888 powershell.exe 1028 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1492 schtasks.exe 5024 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-592 = "Malay Peninsula Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\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,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs 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\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-392 = "Arab Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.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\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2062 = "North Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.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\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,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2371 = "Easter Island Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exepowershell.exe076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4888 powershell.exe 4888 powershell.exe 3516 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 3516 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 1028 powershell.exe 1028 powershell.exe 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 4460 powershell.exe 4460 powershell.exe 2304 powershell.exe 2304 powershell.exe 5044 powershell.exe 5044 powershell.exe 2948 powershell.exe 2948 powershell.exe 1732 powershell.exe 1732 powershell.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 4916 csrss.exe 4916 csrss.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 3112 injector.exe 4916 csrss.exe 4916 csrss.exe 3112 injector.exe 3112 injector.exe 4916 csrss.exe 4916 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
Processes:
powershell.exe076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4888 powershell.exe Token: SeDebugPrivilege 3516 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Token: SeImpersonatePrivilege 3516 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Token: SeDebugPrivilege 1028 powershell.exe Token: SeDebugPrivilege 4460 powershell.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 2948 powershell.exe Token: SeDebugPrivilege 1732 powershell.exe Token: SeSystemEnvironmentPrivilege 4916 csrss.exe Token: SeSecurityPrivilege 1964 sc.exe Token: SeSecurityPrivilege 1964 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3516 wrote to memory of 4888 3516 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 3516 wrote to memory of 4888 3516 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 3516 wrote to memory of 4888 3516 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 4464 wrote to memory of 1028 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 4464 wrote to memory of 1028 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 4464 wrote to memory of 1028 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 4464 wrote to memory of 5024 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe cmd.exe PID 4464 wrote to memory of 5024 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe cmd.exe PID 5024 wrote to memory of 2444 5024 cmd.exe netsh.exe PID 5024 wrote to memory of 2444 5024 cmd.exe netsh.exe PID 4464 wrote to memory of 4460 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 4464 wrote to memory of 4460 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 4464 wrote to memory of 4460 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 4464 wrote to memory of 2304 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 4464 wrote to memory of 2304 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 4464 wrote to memory of 2304 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 4464 wrote to memory of 4916 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe csrss.exe PID 4464 wrote to memory of 4916 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe csrss.exe PID 4464 wrote to memory of 4916 4464 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe csrss.exe PID 4916 wrote to memory of 5044 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 5044 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 5044 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 2948 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 2948 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 2948 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 1732 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 1732 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 1732 4916 csrss.exe powershell.exe PID 4916 wrote to memory of 3112 4916 csrss.exe injector.exe PID 4916 wrote to memory of 3112 4916 csrss.exe injector.exe PID 5072 wrote to memory of 3288 5072 windefender.exe cmd.exe PID 5072 wrote to memory of 3288 5072 windefender.exe cmd.exe PID 5072 wrote to memory of 3288 5072 windefender.exe cmd.exe PID 3288 wrote to memory of 1964 3288 cmd.exe sc.exe PID 3288 wrote to memory of 1964 3288 cmd.exe sc.exe PID 3288 wrote to memory of 1964 3288 cmd.exe sc.exe -
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\076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe"C:\Users\Admin\AppData\Local\Temp\076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4888 -
C:\Users\Admin\AppData\Local\Temp\076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe"C:\Users\Admin\AppData\Local\Temp\076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.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:4464 -
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:1028 -
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:5024 -
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:2444 -
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:4460 -
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:2304 -
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:4916 -
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:5044 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1492 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4860
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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:2948 -
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:1732 -
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 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5024 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5072 -
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:3288 -
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:1964
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:868
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
MD592e8f300addafdbd4bf0201494ca23f0
SHA1f4f1b23c5004282aff75b95c86497d549671801a
SHA256d1abc40a81cd2521fd6ceee38039fc87fb92a43aca5bcd3db835cace63142cb6
SHA512d33ca27694ee3b13b9513e06d4080131fc946e9fd0aca434e9e2ae5a93c80ce01c203dabd309901eb57247290c2bc84c47264d7cd2e759cf2e794ed99e19791e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56090b401cb0b52a65cb9c39b212e6ac1
SHA1c3d5e6f80e20a6ed406cb3f2909191acffdfa309
SHA2567cad3d37404b739a7bd86c17dae182eeb491cc2e2749b64a78638b7b99a69dcb
SHA5124068dc5ed3a7a09298ee39f4477eba6ff9a23c788be202d05d8ef226c70bea0307f9e471c9e9c3a78d768770528433f4278003d00bc79716c82b449619e4fc6e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD533a0cb8dade8dfeb66e6490a9e37444f
SHA11eefe62da3992ffe3c74967648e8e375bb2a4c2f
SHA256b6c61087ffcd1a2e658184729a5d56d9b41a4fcf5f9c5f6f72d27eca8d4c0b10
SHA5124e65c29366070d3712495f2e2a772b0750bc36f837892bb1c32611e923aa6234f9710940f7c0c3aa7ca2bf612d132cdd6bcf06677fb4b12cdd5f5c88877f0674
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54fec046ef93c012ece23c4226c3cfefe
SHA1fdd0c00ee9ba713259ba37d1da450e061513629b
SHA256c8f49adccda6b6f752267b942f5f6f041aa2de50c87b5152b2cbca7c55a97ef5
SHA512c7a09cc377270c08440befcf77c1b497b1ddca91a5a983ac30a41d4d846ce921376cfcf1327e1b70131bc00e0cc2cb6ab6139b9d916c55fa490833de3efd3a85
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5845838adff3d5579ba7bb6a5ef2d9909
SHA14de4723dbc63e9ea8bb10c697b68a8b26e14452b
SHA2560b98f3ec45fa3984f0d056c7da8776baf5218117014364c1aa4027bf9fcd10c7
SHA51239b6c0a571738f19150e90651242fab1127a5450025330c843377e857924f3be857d30d23b29683291023cc34b0fba7f7b2ce1b933641d0de8e282971ef90e16
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Filesize
4.1MB
MD552c72870afb8493030f57b8c31bff8a3
SHA1048b2fb743773929923f43236cd3564e28c23d89
SHA256076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5
SHA512cb4219f0de2714d180ba0eff993dd38e867c9380da2993e429ddffb1ec77f3cb8a2bcb374e50e3992dd3206dc7150aa371af25fb97408592d87b505b9ca27afd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec