Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
15/05/2024, 18:09
Static task
static1
Behavioral task
behavioral1
Sample
cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe
Resource
win10v2004-20240508-en
General
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Target
cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe
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Size
4.1MB
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MD5
73aeda66150b96d5a58ca07b072740e3
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SHA1
2f5753e8a5c46b3bc28cfc95a487b11e22a3498e
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SHA256
cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a
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SHA512
7123d02b1321124cb2e52a1f06e273485e65e8ee8e85405cf99464e49dc2dc54c6321bfc6170cdc5228b76fe5ed732ad75977f0fadade48602df1fcd525211ba
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SSDEEP
98304:QoKALZtLSnhBaG13jSGzI9y04m/Xf7c/d7YDSGfJg5NEka2Q+gI:QC1IraEjIw04m/Xfo4a5yka2Q+gI
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral1/memory/4168-2-0x0000000004BF0000-0x00000000054DB000-memory.dmp family_glupteba behavioral1/memory/4168-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4168-4-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4168-58-0x0000000004BF0000-0x00000000054DB000-memory.dmp family_glupteba behavioral1/memory/4168-56-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/4168-59-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3524-84-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/3524-138-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2176-162-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2176-214-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2176-232-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2176-234-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2176-237-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2176-241-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2176-245-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2176-250-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2176-254-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2176-257-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba behavioral1/memory/2176-261-0x0000000000400000-0x0000000002B0B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4980 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2176 csrss.exe 3884 injector.exe 2308 windefender.exe 1776 windefender.exe -
resource yara_rule behavioral1/files/0x0008000000023405-224.dat upx behavioral1/memory/2308-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2308-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1776-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1776-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1776-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\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 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 File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe File created C:\Windows\rss\csrss.exe cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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 3176 sc.exe -
pid Process 3364 powershell.exe 4804 powershell.exe 4052 powershell.exe 4692 powershell.exe 3564 powershell.exe 4208 powershell.exe 2584 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 5004 schtasks.exe 2960 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-912 = "Mauritius Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-431 = "Iran Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard 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,-222 = "Alaskan Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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,-242 = "Samoa Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2392 = "Aleutian Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-442 = "Arabian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-341 = "Egypt Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-11 = "Azores Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2611 = "Bougainville Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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" cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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,-32 = "Mid-Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.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,-1662 = "Bahia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1661 = "Bahia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4052 powershell.exe 4052 powershell.exe 4168 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 4168 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 4692 powershell.exe 4692 powershell.exe 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 3564 powershell.exe 3564 powershell.exe 4208 powershell.exe 4208 powershell.exe 2584 powershell.exe 2584 powershell.exe 3364 powershell.exe 3364 powershell.exe 4804 powershell.exe 4804 powershell.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 2176 csrss.exe 2176 csrss.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 2176 csrss.exe 2176 csrss.exe 3884 injector.exe 3884 injector.exe 2176 csrss.exe 2176 csrss.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe 3884 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4052 powershell.exe Token: SeDebugPrivilege 4168 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Token: SeImpersonatePrivilege 4168 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe Token: SeDebugPrivilege 4692 powershell.exe Token: SeDebugPrivilege 3564 powershell.exe Token: SeDebugPrivilege 4208 powershell.exe Token: SeDebugPrivilege 2584 powershell.exe Token: SeDebugPrivilege 3364 powershell.exe Token: SeDebugPrivilege 4804 powershell.exe Token: SeSystemEnvironmentPrivilege 2176 csrss.exe Token: SeSecurityPrivilege 3176 sc.exe Token: SeSecurityPrivilege 3176 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4168 wrote to memory of 4052 4168 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 94 PID 4168 wrote to memory of 4052 4168 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 94 PID 4168 wrote to memory of 4052 4168 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 94 PID 3524 wrote to memory of 4692 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 99 PID 3524 wrote to memory of 4692 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 99 PID 3524 wrote to memory of 4692 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 99 PID 3524 wrote to memory of 1208 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 102 PID 3524 wrote to memory of 1208 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 102 PID 1208 wrote to memory of 4980 1208 cmd.exe 104 PID 1208 wrote to memory of 4980 1208 cmd.exe 104 PID 3524 wrote to memory of 3564 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 105 PID 3524 wrote to memory of 3564 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 105 PID 3524 wrote to memory of 3564 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 105 PID 3524 wrote to memory of 4208 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 108 PID 3524 wrote to memory of 4208 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 108 PID 3524 wrote to memory of 4208 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 108 PID 3524 wrote to memory of 2176 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 110 PID 3524 wrote to memory of 2176 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 110 PID 3524 wrote to memory of 2176 3524 cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe 110 PID 2176 wrote to memory of 2584 2176 csrss.exe 111 PID 2176 wrote to memory of 2584 2176 csrss.exe 111 PID 2176 wrote to memory of 2584 2176 csrss.exe 111 PID 2176 wrote to memory of 3364 2176 csrss.exe 116 PID 2176 wrote to memory of 3364 2176 csrss.exe 116 PID 2176 wrote to memory of 3364 2176 csrss.exe 116 PID 2176 wrote to memory of 4804 2176 csrss.exe 119 PID 2176 wrote to memory of 4804 2176 csrss.exe 119 PID 2176 wrote to memory of 4804 2176 csrss.exe 119 PID 2176 wrote to memory of 3884 2176 csrss.exe 121 PID 2176 wrote to memory of 3884 2176 csrss.exe 121 PID 2308 wrote to memory of 2384 2308 windefender.exe 127 PID 2308 wrote to memory of 2384 2308 windefender.exe 127 PID 2308 wrote to memory of 2384 2308 windefender.exe 127 PID 2384 wrote to memory of 3176 2384 cmd.exe 128 PID 2384 wrote to memory of 3176 2384 cmd.exe 128 PID 2384 wrote to memory of 3176 2384 cmd.exe 128 -
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\cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe"C:\Users\Admin\AppData\Local\Temp\cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4168 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4052
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C:\Users\Admin\AppData\Local\Temp\cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.exe"C:\Users\Admin\AppData\Local\Temp\cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a.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:3524 -
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:4692
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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:1208 -
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:4980
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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:3564
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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:4208
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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:2176 -
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:2584
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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:5004
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4808
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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:3364
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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:4804
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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:3884
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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:2960
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2308 -
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:2384 -
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:3176
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1776
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
MD5cb02cb56a07793ccba0ee0b4cbffba23
SHA15bb9e4ac008f37d91243b17fc0011c95eecc2f7e
SHA256d26cc48c312be079265e3dac8f6114295374e7742986d5f9d865d446bda4e9a8
SHA512e4204775b719fd7e9636e6e8f855a3ddbeb436ced614604e34661293f8b736fbfd145d21028ef7929df76512c963f7b9fe9f3e9646b2445d625731fdd8b1b1ab
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5089ef4579952d692e2898346f7c8192b
SHA154e6f047cfb30e9741db3a293e81a68896567388
SHA25632f43a5d3db015a9f6c39f9db89bdc768546d6841204e56bd53aafdec1badd16
SHA512734295d0101a82cc22dd26eccb10b1ab90634618bea97eb03032efc7c4e64106db9d5dd6db712e82823e14c85862d3cac1edab15199dc683bf409a4278aa6a11
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5575a79f972010aa01b12c137dba2d8b6
SHA1f1f1b6d92b843b454dc4c26dd72eb2f49415250c
SHA25605272cf0d570d5b2e259bfe666a590bbd1e4764f9288b48a249a85032e92f1fb
SHA512f46be2ae3ab107c9b7f079190d0cca4f05980a14dfe270492d659e700399ecbe58a0a88e117a2e30cd658bf167b837714092724ca98390d01693595946b54eec
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51fa97cbb4f1c2eecd94780ba4009536e
SHA141c67aa3de1021c2574956e897e3a54cc4c5848d
SHA256a4f42de783ac2fa286bf5af434b2eb51d9072891f5255674cb6cb5bf0550a2dd
SHA512494850c88900f7315d8701fcd8233cb6df4d7ef7d5693c44612ad5c3a57ef915185935e544e86a2ea3b451b8f94322ab84096c2dbc1c9921b72ba5c24125ae81
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD549af095445fc11256186f41944c4c7f5
SHA1d76ed97c41931076edf2b5394ee3a1822074d2b9
SHA256a6550b60e7cba45b3c25c0bb961b85314ea75e19424544b1b5fa2c11bc2175cd
SHA512b6f44675c8641d3221a75351400475c526221053b7d9022088b13c2512a5e4231345afc68fa0d02fe945598e48b16859cbe497b3cf988ba8ccef01e4ca6d03b8
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Filesize
4.1MB
MD573aeda66150b96d5a58ca07b072740e3
SHA12f5753e8a5c46b3bc28cfc95a487b11e22a3498e
SHA256cfb4ceb65b0205b326991a4e293eaffec8d80a0eddcf1e409b904fc7caf55c6a
SHA5127123d02b1321124cb2e52a1f06e273485e65e8ee8e85405cf99464e49dc2dc54c6321bfc6170cdc5228b76fe5ed732ad75977f0fadade48602df1fcd525211ba
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec