Analysis
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max time kernel
150s -
max time network
131s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-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 19 IoCs
Processes:
resource yara_rule behavioral2/memory/4908-2-0x0000000002E80000-0x000000000376B000-memory.dmp family_glupteba behavioral2/memory/4908-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4908-52-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4908-53-0x0000000002E80000-0x000000000376B000-memory.dmp family_glupteba behavioral2/memory/396-140-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3492-206-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/396-207-0x0000000002A40000-0x0000000002E48000-memory.dmp family_glupteba behavioral2/memory/3492-218-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3492-219-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3492-224-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3492-227-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3492-230-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3492-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3492-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3492-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3492-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3492-243-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3492-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3492-251-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 236 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3492 csrss.exe 2300 injector.exe 3612 windefender.exe 2728 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9e2-210.dat upx behavioral2/memory/3612-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2728-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3612-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2728-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2728-225-0x0000000000400000-0x00000000008DF000-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-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\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\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.
Processes:
69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe 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 -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 4708 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 736 powershell.exe 5072 powershell.exe 1216 powershell.exe 3540 powershell.exe 1516 powershell.exe 4644 powershell.exe 892 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 2848 schtasks.exe 3460 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-121 = "SA Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-981 = "Kamchatka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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,-3142 = "South Sudan Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-681 = "E. Australia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe 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,-302 = "Romance Standard Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.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,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight 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,-961 = "Paraguay Daylight Time" 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exepowershell.exe69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 892 powershell.exe 892 powershell.exe 4908 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 4908 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 736 powershell.exe 736 powershell.exe 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 5072 powershell.exe 5072 powershell.exe 1216 powershell.exe 1216 powershell.exe 3540 powershell.exe 3540 powershell.exe 1516 powershell.exe 1516 powershell.exe 4644 powershell.exe 4644 powershell.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 3492 csrss.exe 3492 csrss.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 3492 csrss.exe 3492 csrss.exe 2300 injector.exe 2300 injector.exe 3492 csrss.exe 3492 csrss.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe 2300 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 892 powershell.exe Token: SeDebugPrivilege 4908 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Token: SeImpersonatePrivilege 4908 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe Token: SeDebugPrivilege 736 powershell.exe Token: SeDebugPrivilege 5072 powershell.exe Token: SeDebugPrivilege 1216 powershell.exe Token: SeDebugPrivilege 3540 powershell.exe Token: SeDebugPrivilege 1516 powershell.exe Token: SeDebugPrivilege 4644 powershell.exe Token: SeSystemEnvironmentPrivilege 3492 csrss.exe Token: SeSecurityPrivilege 4708 sc.exe Token: SeSecurityPrivilege 4708 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4908 wrote to memory of 892 4908 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 81 PID 4908 wrote to memory of 892 4908 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 81 PID 4908 wrote to memory of 892 4908 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 81 PID 396 wrote to memory of 736 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 86 PID 396 wrote to memory of 736 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 86 PID 396 wrote to memory of 736 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 86 PID 396 wrote to memory of 1460 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 88 PID 396 wrote to memory of 1460 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 88 PID 1460 wrote to memory of 236 1460 cmd.exe 90 PID 1460 wrote to memory of 236 1460 cmd.exe 90 PID 396 wrote to memory of 5072 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 91 PID 396 wrote to memory of 5072 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 91 PID 396 wrote to memory of 5072 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 91 PID 396 wrote to memory of 1216 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 93 PID 396 wrote to memory of 1216 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 93 PID 396 wrote to memory of 1216 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 93 PID 396 wrote to memory of 3492 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 95 PID 396 wrote to memory of 3492 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 95 PID 396 wrote to memory of 3492 396 69809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65.exe 95 PID 3492 wrote to memory of 3540 3492 csrss.exe 96 PID 3492 wrote to memory of 3540 3492 csrss.exe 96 PID 3492 wrote to memory of 3540 3492 csrss.exe 96 PID 3492 wrote to memory of 1516 3492 csrss.exe 101 PID 3492 wrote to memory of 1516 3492 csrss.exe 101 PID 3492 wrote to memory of 1516 3492 csrss.exe 101 PID 3492 wrote to memory of 4644 3492 csrss.exe 104 PID 3492 wrote to memory of 4644 3492 csrss.exe 104 PID 3492 wrote to memory of 4644 3492 csrss.exe 104 PID 3492 wrote to memory of 2300 3492 csrss.exe 106 PID 3492 wrote to memory of 2300 3492 csrss.exe 106 PID 3612 wrote to memory of 4840 3612 windefender.exe 112 PID 3612 wrote to memory of 4840 3612 windefender.exe 112 PID 3612 wrote to memory of 4840 3612 windefender.exe 112 PID 4840 wrote to memory of 4708 4840 cmd.exe 113 PID 4840 wrote to memory of 4708 4840 cmd.exe 113 PID 4840 wrote to memory of 4708 4840 cmd.exe 113 -
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:4908 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:892
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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:396 -
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:736
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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:1460 -
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:236
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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:5072
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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:1216
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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:3492 -
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:3540
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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:2848
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4384
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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:1516
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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:4644
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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:2300
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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:3460
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3612 -
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:4840 -
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:4708
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2728
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b2ba733194c00b469e561c77eeb175cf
SHA1e92b77f12d393c370d0be155832b7f4b6f16fc8f
SHA256f104beefc2346cef64be5a5ca34c45a428cd63e242ecf37fd495dfb8a1901456
SHA512b02ed392901deec37eeb5d2af8fb15a31865271f2b5d5e601ca0e0e41a13d198eb52e1db722e34922ca25e74bbcdbc497e38022f7bdb2caf1135dd3e307fc4c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5846ab3c2d6d0d11939b8d4f5c336dd99
SHA19a14cf341eb65be02098291124b2d5f5169252e3
SHA25677b681b85c16d9622f1903956acf0781321232a1889e9a2d06e266e92ffb11e7
SHA5123bf3d48f82f3b68928f19d2a1ce4ffe079bac1e0baa498e180a8937b925718a4aa8308169dc42548e7bfbefa844700d459bd7178fd6844884d5418ffc818da2a
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5316431c19f8ef17d5432d4cee20daa56
SHA1f22459917ededbb0ecfd5fe5b0c04aba38f2c179
SHA25657c89b7df7f3c8baa885da989d8b676ff162cf4d1407be077c4006f8d2aef4e5
SHA5120cfe46a9d9dcfefbe2cb726c0cc799ad16b4cf53749c0252d0793d57892e989f60f094b615f9e14fb5cba418c288c756eaa50e24a7186e7a8dd740bc28b6ff7f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD553d7aa19b139f5d7913cc0d6c5660e52
SHA1414e63df2e777bf0668d40ba204704957885006a
SHA256e0273221aae9a48e87f05293b6bb3eb4d433c0dab47a22e9823ef8050a26c827
SHA512ebb65495be372eed1596681fa84d57cfb4ab8ff28ca29dc81fcc01bd807c202b3b64c85be4f56e95cc8d4b1ef884133c7e889f6aabb6b2e8c515f3b20c93a7a6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5669fecea6bb3593ca484b8aa1e033b36
SHA1df966a09cf5ea2ef6d826208a8983896295f9db8
SHA2564c7dff2b3e6d8195ef8f1f58cc79a01d2229e03293a9f55e9f7c0985d6b06bdc
SHA51213323d2e04aad6789ff3bb19a8faa6c9051fc175ca5e79595c3eab058b73d3d27588fc09deec08f10a650fe75f0ff207d2ad47fcf474444842756fccdb94310c
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Filesize
4.1MB
MD5a24fd2315ead75a77c83cf061679acb9
SHA1e3b687f4ca6b22ceba680916fc45912df927151f
SHA25669809536935dacb0f7249caf70f4490d2927827241527b583517fc2d56a91e65
SHA51260a0cefe6fcf1dc2d78f23addbf7724891b073bf388e65e60f6493da0981691e3b7a7a4ff2b4571dcf301477c3bbc3fc60fcb535afec5e53e6ccd54399110146
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec