Analysis
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max time kernel
150s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 behavioral1/memory/3364-2-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/3364-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3364-80-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3364-106-0x0000000002D80000-0x000000000366B000-memory.dmp family_glupteba behavioral1/memory/528-130-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/528-135-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-216-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-226-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-228-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-240-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-246-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1952-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4416 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1952 csrss.exe 4924 injector.exe 2928 windefender.exe 1948 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2928-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1948-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2928-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1948-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1948-235-0x0000000000400000-0x00000000008DF000-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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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 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 -
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:
076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe File created C:\Windows\rss\csrss.exe 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.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.
Processes:
sc.exepid process 924 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 4844 powershell.exe 4544 powershell.exe 3664 powershell.exe 2348 powershell.exe 3912 powershell.exe 968 powershell.exe 3292 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 2232 schtasks.exe 3200 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exe076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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,-891 = "Morocco Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1021 = "Bangladesh Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1892 = "Russia TZ 3 Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central 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 (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2452 = "Saint Pierre 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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-111 = "Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2632 = "Norfolk 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\CA\CTLs powershell.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,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.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,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA 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,-572 = "China Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-452 = "Caucasus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.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,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.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,-82 = "Atlantic Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exepowershell.exe076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 968 powershell.exe 968 powershell.exe 968 powershell.exe 3364 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 3364 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 3292 powershell.exe 3292 powershell.exe 3292 powershell.exe 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe 4844 powershell.exe 4844 powershell.exe 4844 powershell.exe 4544 powershell.exe 4544 powershell.exe 4544 powershell.exe 3664 powershell.exe 3664 powershell.exe 3664 powershell.exe 2348 powershell.exe 2348 powershell.exe 2348 powershell.exe 3912 powershell.exe 3912 powershell.exe 3912 powershell.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 1952 csrss.exe 4924 injector.exe 4924 injector.exe 1952 csrss.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 1952 csrss.exe 1952 csrss.exe 4924 injector.exe 4924 injector.exe 1952 csrss.exe 1952 csrss.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe 4924 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 968 powershell.exe Token: SeDebugPrivilege 3364 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Token: SeImpersonatePrivilege 3364 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe Token: SeDebugPrivilege 3292 powershell.exe Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 4544 powershell.exe Token: SeDebugPrivilege 3664 powershell.exe Token: SeDebugPrivilege 2348 powershell.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeSystemEnvironmentPrivilege 1952 csrss.exe Token: SeSecurityPrivilege 924 sc.exe Token: SeSecurityPrivilege 924 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 3364 wrote to memory of 968 3364 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 3364 wrote to memory of 968 3364 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 3364 wrote to memory of 968 3364 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 528 wrote to memory of 3292 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 528 wrote to memory of 3292 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 528 wrote to memory of 3292 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 528 wrote to memory of 4936 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe cmd.exe PID 528 wrote to memory of 4936 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe cmd.exe PID 4936 wrote to memory of 4416 4936 cmd.exe netsh.exe PID 4936 wrote to memory of 4416 4936 cmd.exe netsh.exe PID 528 wrote to memory of 4844 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 528 wrote to memory of 4844 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 528 wrote to memory of 4844 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 528 wrote to memory of 4544 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 528 wrote to memory of 4544 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 528 wrote to memory of 4544 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe powershell.exe PID 528 wrote to memory of 1952 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe csrss.exe PID 528 wrote to memory of 1952 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe csrss.exe PID 528 wrote to memory of 1952 528 076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5.exe csrss.exe PID 1952 wrote to memory of 3664 1952 csrss.exe powershell.exe PID 1952 wrote to memory of 3664 1952 csrss.exe powershell.exe PID 1952 wrote to memory of 3664 1952 csrss.exe powershell.exe PID 1952 wrote to memory of 2348 1952 csrss.exe powershell.exe PID 1952 wrote to memory of 2348 1952 csrss.exe powershell.exe PID 1952 wrote to memory of 2348 1952 csrss.exe powershell.exe PID 1952 wrote to memory of 3912 1952 csrss.exe powershell.exe PID 1952 wrote to memory of 3912 1952 csrss.exe powershell.exe PID 1952 wrote to memory of 3912 1952 csrss.exe powershell.exe PID 1952 wrote to memory of 4924 1952 csrss.exe injector.exe PID 1952 wrote to memory of 4924 1952 csrss.exe injector.exe PID 2928 wrote to memory of 4372 2928 windefender.exe cmd.exe PID 2928 wrote to memory of 4372 2928 windefender.exe cmd.exe PID 2928 wrote to memory of 4372 2928 windefender.exe cmd.exe PID 4372 wrote to memory of 924 4372 cmd.exe sc.exe PID 4372 wrote to memory of 924 4372 cmd.exe sc.exe PID 4372 wrote to memory of 924 4372 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:3364 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:968 -
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:528 -
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:3292 -
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:4936 -
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:4416 -
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:4844 -
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:4544 -
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:1952 -
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:3664 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2232 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1400
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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:2348 -
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:3912 -
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:4924 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3200 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2928 -
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:4372 -
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:924
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3980,i,13281073920029625837,8253721632651544158,262144 --variations-seed-version --mojo-platform-channel-handle=4176 /prefetch:81⤵PID:956
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1948
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5829a18fa08d6c921d70cefcc3ae71d6f
SHA127287156e1009413964ab1d1620fd370447d7b27
SHA256399fe7a017bcb3f235b2e5411226c31e5fff765fa586a4fd93fbeb9a02ca759d
SHA51258d48609c9733113035161ef9ad7c054b3246bb653c101eca9f58d2c805d95aa778d53c66cddd8a4fd3ea9ff00a5e51f3645f3ebc95451ea43430fb1fc0d1d4c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD532364c190ad3630aacd5768aed4c6260
SHA16506e98e59c347b50e0bccb744edbcc5069ee783
SHA25627fb396373819987f7c41fc8269dd64702e30d7516da263ade3807748b4d7173
SHA5126f756f403c0da3f9c5d112333261bac50ff217ec96b45c1b275b3d5fdc8c4a548efa83c38115d65eb4f154cb690a3365ea64811e2cb6715d81317e60cc1af799
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50cb07698a1a5ee1e0c9cca7e3577d160
SHA11451cb85cc75f3e993b840a55af29368b07f3c95
SHA256d0bd6bcfe36f6f0daa6068fb7ffa5f41feb3fa26fc27cc282d6b4b98fe9b37c9
SHA5125383a0d679193dd50029a740d4ef518d7a61fd0f83bd65f177493d92593745f5d88d4307fdd79d55f106be4d442f781a10296455983c0f8540c8ae1d84db7e14
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f1a57b449b646af12a14494374b8ca50
SHA1341bf0785dc683de8953c29260389162236bc490
SHA256ae269fd4a4cd919d0aea7d05912fe9f08f921f06458c906badcd557548bfcdcb
SHA512565b47044550dfaebc552205af6e3aa8989a2459a3f8a476f4525867ff2b16cb20bd4ecca9ecc0420a2ce641c5bb038d746bdeae15a1be914f8910da1ab404c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b450d80fb127ddf6c3c3a2a8d8ee330c
SHA12ef29db7d1261ef2964d8ea6dfc709fd034bbb0a
SHA256dcc38942ac25cfe84bc1fa9554420be1037e4da0f8a2dfd89e6feea5fe024e49
SHA51241c0df109d5c992c7e51ccc2409b144721f372cea9e2384d99a38e3691ceaed629db53d02c61e7bd5254a9a5b2eaa15ea0362ff508f5330d1a59dbcb13dc86d5
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Filesize
4.1MB
MD552c72870afb8493030f57b8c31bff8a3
SHA1048b2fb743773929923f43236cd3564e28c23d89
SHA256076e764447b1d32f16910d9e10580488fecda5ca8a584799d549b4effec1a6f5
SHA512cb4219f0de2714d180ba0eff993dd38e867c9380da2993e429ddffb1ec77f3cb8a2bcb374e50e3992dd3206dc7150aa371af25fb97408592d87b505b9ca27afd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec