Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 04:30
Static task
static1
Behavioral task
behavioral1
Sample
69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe
Resource
win10v2004-20240426-en
General
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Target
69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe
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Size
4.1MB
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MD5
a24fd2315ead75a77c83cf061679acb9
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SHA1
e3b687f4ca6b22ceba680916fc45912df927151f
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SHA256
69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65
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SHA512
60a0cefe6fcf1dc2d78f23addbf7724891b073bf388e65e60f6493da0981691e3b7a7a4ff2b4571dcf301477c3bbc3fc60fcb535afec5e53e6ccd54399110146
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SSDEEP
98304:Z96GAmuNBigEkoqfZTwC6uGlBZNljS4jcQ:ZI9hoq9wC6uGlB/xgQ
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/4144-2-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/4144-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4144-58-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/4144-82-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-133-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/540-138-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-213-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-233-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-245-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-254-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4484-257-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2548 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4484 csrss.exe 2200 injector.exe 1188 windefender.exe 1192 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000f000000023417-221.dat upx behavioral1/memory/1188-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1188-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1192-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1192-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1192-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1192-246-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\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 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 File created 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:
69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe -
Drops file in Windows directory 4 IoCs
Processes:
69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe File created C:\Windows\rss\csrss.exe 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.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 4196 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3596 powershell.exe 1932 powershell.exe 4340 powershell.exe 1548 powershell.exe 5028 powershell.exe 2188 powershell.exe 4104 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 1884 schtasks.exe 2304 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process 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\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard 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\@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,-3141 = "South Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.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,-2792 = "Novosibirsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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,-2041 = "Eastern Daylight Time (Mexico)" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-131 = "US Eastern Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight 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" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-435 = "Georgian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 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 (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.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\C:\Windows\system32\,@tzres.dll,-461 = "Afghanistan Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-371 = "Jerusalem Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1892 = "Russia TZ 3 Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exepowershell.exe69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 3596 powershell.exe 3596 powershell.exe 4144 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 4144 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 1932 powershell.exe 1932 powershell.exe 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 4340 powershell.exe 4340 powershell.exe 1548 powershell.exe 1548 powershell.exe 5028 powershell.exe 5028 powershell.exe 2188 powershell.exe 2188 powershell.exe 4104 powershell.exe 4104 powershell.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 4484 csrss.exe 4484 csrss.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 4484 csrss.exe 4484 csrss.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 4484 csrss.exe 4484 csrss.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe 2200 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 3596 powershell.exe Token: SeDebugPrivilege 4144 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Token: SeImpersonatePrivilege 4144 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Token: SeDebugPrivilege 1932 powershell.exe Token: SeDebugPrivilege 4340 powershell.exe Token: SeDebugPrivilege 1548 powershell.exe Token: SeDebugPrivilege 5028 powershell.exe Token: SeDebugPrivilege 2188 powershell.exe Token: SeDebugPrivilege 4104 powershell.exe Token: SeSystemEnvironmentPrivilege 4484 csrss.exe Token: SeSecurityPrivilege 4196 sc.exe Token: SeSecurityPrivilege 4196 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4144 wrote to memory of 3596 4144 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 87 PID 4144 wrote to memory of 3596 4144 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 87 PID 4144 wrote to memory of 3596 4144 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 87 PID 540 wrote to memory of 1932 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 97 PID 540 wrote to memory of 1932 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 97 PID 540 wrote to memory of 1932 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 97 PID 540 wrote to memory of 4736 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 101 PID 540 wrote to memory of 4736 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 101 PID 4736 wrote to memory of 2548 4736 cmd.exe 103 PID 4736 wrote to memory of 2548 4736 cmd.exe 103 PID 540 wrote to memory of 4340 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 104 PID 540 wrote to memory of 4340 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 104 PID 540 wrote to memory of 4340 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 104 PID 540 wrote to memory of 1548 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 106 PID 540 wrote to memory of 1548 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 106 PID 540 wrote to memory of 1548 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 106 PID 540 wrote to memory of 4484 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 108 PID 540 wrote to memory of 4484 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 108 PID 540 wrote to memory of 4484 540 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 108 PID 4484 wrote to memory of 5028 4484 csrss.exe 109 PID 4484 wrote to memory of 5028 4484 csrss.exe 109 PID 4484 wrote to memory of 5028 4484 csrss.exe 109 PID 4484 wrote to memory of 2188 4484 csrss.exe 115 PID 4484 wrote to memory of 2188 4484 csrss.exe 115 PID 4484 wrote to memory of 2188 4484 csrss.exe 115 PID 4484 wrote to memory of 4104 4484 csrss.exe 118 PID 4484 wrote to memory of 4104 4484 csrss.exe 118 PID 4484 wrote to memory of 4104 4484 csrss.exe 118 PID 4484 wrote to memory of 2200 4484 csrss.exe 120 PID 4484 wrote to memory of 2200 4484 csrss.exe 120 PID 1188 wrote to memory of 4940 1188 windefender.exe 127 PID 1188 wrote to memory of 4940 1188 windefender.exe 127 PID 1188 wrote to memory of 4940 1188 windefender.exe 127 PID 4940 wrote to memory of 4196 4940 cmd.exe 128 PID 4940 wrote to memory of 4196 4940 cmd.exe 128 PID 4940 wrote to memory of 4196 4940 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\69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe"C:\Users\Admin\AppData\Local\Temp\69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3596
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C:\Users\Admin\AppData\Local\Temp\69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe"C:\Users\Admin\AppData\Local\Temp\69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.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:540 -
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:1932
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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:4736 -
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:2548
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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:4340
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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:1548
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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:4484 -
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:5028
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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:1884
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4412
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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:2188
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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:4104
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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:2200
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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:2304
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1188 -
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:4940 -
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:4196
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1192
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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f82a5653b33d6ad171149ed9283d4cc1
SHA1428b8f7f6fdbbc12866bdcf149794f697d357668
SHA256ed09ea532cd862fc501f003143da959655401a07f12b9eceb1247868678cb274
SHA5126de9d3edfbd8cd7f278b9de62dc293792801136efb97016a8d34a1779754446c54e3420f91119a7fa076abc1d89d6f8fc151747c9d5aa480e0b890b316ef9643
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cb9189d4c9ef1bcf8763ff93414c3982
SHA1ccd8f7dd580b814bf3dc73fb9cff85659864935e
SHA2566934289832fdae79a186f8cdf42e2ffd91a568151483eea2c0ef89087b1572f0
SHA512801bc29b444033743f7aa8bf1193e6e4506780cf46a8f4afb9db3b454807a14f4a058904a88e68713a974cd7a4e5003625f265a4bd27e072e7fd20fc974e7cff
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50ab0fb9b5972ea530c9474c16811fca1
SHA1fc1e54b18ad4d4cd7e56f1b33059025d3a3e4fc3
SHA25606cdf0d10f8b0a321b2d51f1b7f084ce52d57e8cd6fa1aa57fa88fb3a13bb618
SHA51268f9b50eb6e4aa10ad76eea0e651180cb91c5deb7bdfbe98c8fe81aa365b8ccc90f702643fa868c888a26ee058c14ea41da6e3d903819658736151344f1f2341
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d22a9ef0bf03bd8c5da299c16efeb034
SHA1593a1c31d3a161fa974bdc1f94a8be8407b98e55
SHA2569ee9884b818b6f04ee2bcba0de145d1af70e93f5253b3558a0ea4f4fe1c8ca6f
SHA5124b6a1d22a7f099a90d7337f892efd826a777891d9c76b963931af929d7644d1b9018825f33d9d7ec681a73e8a4a919d354f964b5ab359b0d3a6623b46ccfe996
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558e2394815a34c298c1290f3fefa55fb
SHA17f163d0e25dab1061687a4ef4a9e2160c3cc406c
SHA256c84f06bcdf708855cb9af553ab529db2496a1ab0fedf5a4c8cf74783a3be0d76
SHA512172795faf832d304e5dfa85c7fbd584d7af78bfc84c2b8619361f175d407a2c7e30143b69284f132d754497c614442f0fb8cfa54a93ada72d7cf501e2342731b
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Filesize
4.1MB
MD5a24fd2315ead75a77c83cf061679acb9
SHA1e3b687f4ca6b22ceba680916fc45912df927151f
SHA25669809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65
SHA51260a0cefe6fcf1dc2d78f23addbf7724891b073bf388e65e60f6493da0981691e3b7a7a4ff2b4571dcf301477c3bbc3fc60fcb535afec5e53e6ccd54399110146
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec