Analysis
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max time kernel
149s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 13:59
Static task
static1
Behavioral task
behavioral1
Sample
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
Resource
win10v2004-20240426-en
General
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Target
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe
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Size
4.1MB
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MD5
9a73e0d92def8600531efe11a49d1520
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SHA1
b23d6db5f2a94f28f82a37a18ec32540eea8179c
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SHA256
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381
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SHA512
a46e52703bbaadb1edde8585b17fc320bf64b6ae7b714224264ad42eccdfc69b865a3eb57d5e2e3e88c1f052d0b142499313fc84dee0c1243ea45ce0bff59851
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SSDEEP
98304:UNaXJU8AJvaro5mDbVFqT6QhicqJuM7BOvJODhfBAiYJAl59Wp:UqU8A9EamDpImBOY9f2Np
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/4616-2-0x0000000004910000-0x00000000051FB000-memory.dmp family_glupteba behavioral2/memory/4616-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4616-91-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3260-113-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/4616-130-0x0000000004910000-0x00000000051FB000-memory.dmp family_glupteba behavioral2/memory/4616-165-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3260-194-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-195-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-208-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-211-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-215-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-220-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-224-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-227-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-231-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-236-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-240-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-243-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-247-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/408-252-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 1568 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 408 csrss.exe 3716 injector.exe 1588 windefender.exe 3012 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002aa28-200.dat upx behavioral2/memory/1588-202-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3012-205-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1588-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3012-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3012-219-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000\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:
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exedescription ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe File created C:\Windows\rss\csrss.exe 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.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 3568 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 4316 powershell.exe 2964 powershell.exe 2212 powershell.exe 4240 powershell.exe 1784 powershell.exe 728 powershell.exe 3124 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 744 4316 WerFault.exe 82 -
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 2900 schtasks.exe 4156 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1931 = "Russia TZ 11 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-671 = "AUS Eastern Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2531 = "Chatham Islands Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.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\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust 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\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-72 = "Newfoundland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-448 = "Azerbaijan Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-451 = "Caucasus Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.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\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.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,-401 = "Arabic Daylight Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exepowershell.exe647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4316 powershell.exe 4316 powershell.exe 4616 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 4616 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 2964 powershell.exe 2964 powershell.exe 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 2212 powershell.exe 2212 powershell.exe 4240 powershell.exe 4240 powershell.exe 1784 powershell.exe 1784 powershell.exe 728 powershell.exe 728 powershell.exe 3124 powershell.exe 3124 powershell.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 408 csrss.exe 408 csrss.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 408 csrss.exe 408 csrss.exe 3716 injector.exe 3716 injector.exe 408 csrss.exe 408 csrss.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe 3716 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4316 powershell.exe Token: SeDebugPrivilege 4616 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Token: SeImpersonatePrivilege 4616 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe Token: SeDebugPrivilege 2964 powershell.exe Token: SeDebugPrivilege 2212 powershell.exe Token: SeDebugPrivilege 4240 powershell.exe Token: SeDebugPrivilege 1784 powershell.exe Token: SeDebugPrivilege 728 powershell.exe Token: SeDebugPrivilege 3124 powershell.exe Token: SeSystemEnvironmentPrivilege 408 csrss.exe Token: SeSecurityPrivilege 3568 sc.exe Token: SeSecurityPrivilege 3568 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4616 wrote to memory of 4316 4616 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 82 PID 4616 wrote to memory of 4316 4616 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 82 PID 4616 wrote to memory of 4316 4616 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 82 PID 3260 wrote to memory of 2964 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 90 PID 3260 wrote to memory of 2964 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 90 PID 3260 wrote to memory of 2964 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 90 PID 3260 wrote to memory of 3132 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 92 PID 3260 wrote to memory of 3132 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 92 PID 3132 wrote to memory of 1568 3132 cmd.exe 94 PID 3132 wrote to memory of 1568 3132 cmd.exe 94 PID 3260 wrote to memory of 2212 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 95 PID 3260 wrote to memory of 2212 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 95 PID 3260 wrote to memory of 2212 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 95 PID 3260 wrote to memory of 4240 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 97 PID 3260 wrote to memory of 4240 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 97 PID 3260 wrote to memory of 4240 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 97 PID 3260 wrote to memory of 408 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 99 PID 3260 wrote to memory of 408 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 99 PID 3260 wrote to memory of 408 3260 647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe 99 PID 408 wrote to memory of 1784 408 csrss.exe 100 PID 408 wrote to memory of 1784 408 csrss.exe 100 PID 408 wrote to memory of 1784 408 csrss.exe 100 PID 408 wrote to memory of 728 408 csrss.exe 106 PID 408 wrote to memory of 728 408 csrss.exe 106 PID 408 wrote to memory of 728 408 csrss.exe 106 PID 408 wrote to memory of 3124 408 csrss.exe 108 PID 408 wrote to memory of 3124 408 csrss.exe 108 PID 408 wrote to memory of 3124 408 csrss.exe 108 PID 408 wrote to memory of 3716 408 csrss.exe 110 PID 408 wrote to memory of 3716 408 csrss.exe 110 PID 1588 wrote to memory of 3484 1588 windefender.exe 116 PID 1588 wrote to memory of 3484 1588 windefender.exe 116 PID 1588 wrote to memory of 3484 1588 windefender.exe 116 PID 3484 wrote to memory of 3568 3484 cmd.exe 117 PID 3484 wrote to memory of 3568 3484 cmd.exe 117 PID 3484 wrote to memory of 3568 3484 cmd.exe 117 -
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\647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe"C:\Users\Admin\AppData\Local\Temp\647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4616 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4316 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 24763⤵
- Program crash
PID:744
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C:\Users\Admin\AppData\Local\Temp\647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.exe"C:\Users\Admin\AppData\Local\Temp\647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381.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:3260 -
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:2964
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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:3132 -
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:1568
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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:2212
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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:4240
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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:408 -
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:1784
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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:2900
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5004
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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:728
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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:3124
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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:3716
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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:4156
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1588 -
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:3484 -
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:3568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4316 -ip 43161⤵PID:5024
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3012
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52bfc385425733ccb04839013096b1551
SHA119e70849c521b6a9c8d0119b824044e4084e8774
SHA2566a8be258dce735bead97ab35e1b90dbfdd7cd4291750a0600596faf8292d67cf
SHA51234208cb66796bb1771bae90ddf44793eb6d9560568a822544bb8d9a853b6121875d1df136f4f70c2d97bce6044f40e4dd883a5b8087e08363cdee7c5584ced09
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD579383185cbaf08f4cf9912a6477ab440
SHA19ed9cda5d83e4b2bfa6fdb81afe8db29feae084b
SHA2568d7b8a5bc9f0961891c7398e5f9b3a21edc138ec4c200f481f35825473d16e0f
SHA512eeb91f11fb646616bed1ebe622009e5d616cf35c91d24eabd74b32dda3a9ba2df42aafed438eeb9e5d21a0a697372fe5224b76845e71cbdcd49ec40185658350
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f2b482be7ffea4cb5300e1489b069d3e
SHA1c465669cfea6035d5bfdd69c18872877df6cf62c
SHA256d122b430dde6152c1e7ce1f6143be76410c4dfd1a06f3f346d0aaf30cf94f3bd
SHA512f151394f1aa67b589e8aea7f6c6dab8cd9f15fa73a8861af08faf976570155e7907f8afa03ccf88f5156da428d7182c0c8a75d2df672291510ddeac0bae209c7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5913ea23a3981919fd54c7f1a6fb44a4a
SHA1111cb2d82b267c4caa56a00e731c2272687544c6
SHA2569995e201661674e6dbc38c856ff933c25c8bde0fd0cdb078054af33b5736b845
SHA5120ca29379894e0aaa4662b1f53801bc66601904a75f468fbcd200d5714eeee25ee5b793d6dc51de5daa97faebb188c0e3b738d7d4360f5571b43a4b72af6e7ae8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b511d353166b0e639c007d10ea145543
SHA10040e20340d8818dcd81eb1ee89a65701e79b463
SHA2567d515670da45c182505dc3655708d9752f5051b6f3f3fae56683c52f8a3ac587
SHA512637eaf403d04139f56a710d9eabba60d87d6680ff0a09048620d2acaac3cb469e1cf40658f6f5e5957efcd04309046cd3b48e91745d6db803dbc5e1e4984809e
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Filesize
4.1MB
MD59a73e0d92def8600531efe11a49d1520
SHA1b23d6db5f2a94f28f82a37a18ec32540eea8179c
SHA256647c5d6b337dff10d6f2c06b517a10404dc2b0e37fc7bacd1fc28e790b2ba381
SHA512a46e52703bbaadb1edde8585b17fc320bf64b6ae7b714224264ad42eccdfc69b865a3eb57d5e2e3e88c1f052d0b142499313fc84dee0c1243ea45ce0bff59851
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec