Analysis
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max time kernel
150s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 16:22
Static task
static1
Behavioral task
behavioral1
Sample
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe
Resource
win10v2004-20240508-en
General
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Target
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe
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Size
4.1MB
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MD5
991ea0880f0cc133ec464b737c084ec4
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SHA1
07bf27191162eedbc748903af8faa01e8a6291d3
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SHA256
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc
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SHA512
139e3b22863287eaf64103736e7208a3062a700cc9903eef37ea93029dcbc27bfedb047d03161ff1fcd00ed9a051a21a001edb5bf13545b9d785a1a56d3de394
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SSDEEP
98304:JvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1U:JvHfb2IifudqhIuUHwAjW+O
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/3540-2-0x0000000004930000-0x000000000521B000-memory.dmp family_glupteba behavioral1/memory/3540-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3540-79-0x0000000004930000-0x000000000521B000-memory.dmp family_glupteba behavioral1/memory/3540-78-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3540-129-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1436-135-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3160-215-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3160-226-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3160-228-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3160-231-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3160-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3160-238-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3160-240-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3160-243-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3160-247-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3160-250-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3160-252-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/3160-255-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3152 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3160 csrss.exe 780 injector.exe 4376 windefender.exe 532 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00090000000233bf-219.dat upx behavioral1/memory/4376-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/532-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4376-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/532-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/532-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/532-244-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe -
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:
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe -
Drops file in Windows directory 4 IoCs
Processes:
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe File created C:\Windows\rss\csrss.exe 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.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 4436 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 892 powershell.exe 1620 powershell.exe 3460 powershell.exe 4076 powershell.exe 2364 powershell.exe 4300 powershell.exe 4416 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 4568 schtasks.exe 3196 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.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,-202 = "US Mountain Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3052 = "Qyzylorda Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\@tzres.dll,-162 = "Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-452 = "Caucasus Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-832 = "SA Eastern Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2751 = "Tomsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 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,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-242 = "Samoa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs 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,-2002 = "Cabo Verde Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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,-2061 = "North Korea Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2341 = "Haiti Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1801 = "Line Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-381 = "South Africa Daylight 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" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-2412 = "Marquesas Standard 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\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1932 = "Russia TZ 11 Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exepowershell.exe70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4300 powershell.exe 4300 powershell.exe 3540 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 3540 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 4416 powershell.exe 4416 powershell.exe 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 892 powershell.exe 892 powershell.exe 1620 powershell.exe 1620 powershell.exe 3460 powershell.exe 3460 powershell.exe 4076 powershell.exe 4076 powershell.exe 2364 powershell.exe 2364 powershell.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 3160 csrss.exe 780 injector.exe 3160 csrss.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 3160 csrss.exe 3160 csrss.exe 780 injector.exe 780 injector.exe 3160 csrss.exe 3160 csrss.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe 780 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 3540 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Token: SeImpersonatePrivilege 3540 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe Token: SeDebugPrivilege 4416 powershell.exe Token: SeDebugPrivilege 892 powershell.exe Token: SeDebugPrivilege 1620 powershell.exe Token: SeDebugPrivilege 3460 powershell.exe Token: SeDebugPrivilege 4076 powershell.exe Token: SeDebugPrivilege 2364 powershell.exe Token: SeSystemEnvironmentPrivilege 3160 csrss.exe Token: SeSecurityPrivilege 4436 sc.exe Token: SeSecurityPrivilege 4436 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3540 wrote to memory of 4300 3540 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 82 PID 3540 wrote to memory of 4300 3540 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 82 PID 3540 wrote to memory of 4300 3540 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 82 PID 1436 wrote to memory of 4416 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 90 PID 1436 wrote to memory of 4416 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 90 PID 1436 wrote to memory of 4416 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 90 PID 1436 wrote to memory of 552 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 93 PID 1436 wrote to memory of 552 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 93 PID 552 wrote to memory of 3152 552 cmd.exe 95 PID 552 wrote to memory of 3152 552 cmd.exe 95 PID 1436 wrote to memory of 892 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 96 PID 1436 wrote to memory of 892 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 96 PID 1436 wrote to memory of 892 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 96 PID 1436 wrote to memory of 1620 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 99 PID 1436 wrote to memory of 1620 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 99 PID 1436 wrote to memory of 1620 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 99 PID 1436 wrote to memory of 3160 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 101 PID 1436 wrote to memory of 3160 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 101 PID 1436 wrote to memory of 3160 1436 70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe 101 PID 3160 wrote to memory of 3460 3160 csrss.exe 102 PID 3160 wrote to memory of 3460 3160 csrss.exe 102 PID 3160 wrote to memory of 3460 3160 csrss.exe 102 PID 3160 wrote to memory of 4076 3160 csrss.exe 108 PID 3160 wrote to memory of 4076 3160 csrss.exe 108 PID 3160 wrote to memory of 4076 3160 csrss.exe 108 PID 3160 wrote to memory of 2364 3160 csrss.exe 110 PID 3160 wrote to memory of 2364 3160 csrss.exe 110 PID 3160 wrote to memory of 2364 3160 csrss.exe 110 PID 3160 wrote to memory of 780 3160 csrss.exe 112 PID 3160 wrote to memory of 780 3160 csrss.exe 112 PID 4376 wrote to memory of 5036 4376 windefender.exe 119 PID 4376 wrote to memory of 5036 4376 windefender.exe 119 PID 4376 wrote to memory of 5036 4376 windefender.exe 119 PID 5036 wrote to memory of 4436 5036 cmd.exe 120 PID 5036 wrote to memory of 4436 5036 cmd.exe 120 PID 5036 wrote to memory of 4436 5036 cmd.exe 120 -
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\70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe"C:\Users\Admin\AppData\Local\Temp\70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4300
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C:\Users\Admin\AppData\Local\Temp\70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.exe"C:\Users\Admin\AppData\Local\Temp\70c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc.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:1436 -
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:4416
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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:552 -
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:3152
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:892
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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:1620
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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:3160 -
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:3460
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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:4568
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3356
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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:4076
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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:2364
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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:780
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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:3196
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4376 -
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:5036 -
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:4436
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:532
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
MD57c84b1399c5019042896940d4da62ef4
SHA14085d793b0e4ed2e29d9d83fccfa7aa1c4eba7a2
SHA2563b07e1f2e71bfb498b0fee45aaac6ed6e9d82b245f2e764b8799d29574650f5f
SHA512abf2c4f60afbfdd8d1826677330eb9a708f8e4f811d41ed6f25cab13c3079dca7d90bd71fce9cf0c10f884067302ffd3358ec7a1b9efa19646aac765d1cbf241
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58d72874007faeb95c5630e0216ba4d55
SHA19749e2b0a2adf1d75949baf69a05f659d1b6bada
SHA256045669d967de44f5bd4310cc31436c388645058faf5991d8224143745e755b68
SHA51263d57d23fc2428195d6693819d8ddc963a89d09c2c2f772984c41ce65040abea6d62dfc09f045b8f1a9b1b6a9a686ec588c8d2dbbda4157536cdb8af07feda32
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5682e172e98eec282117df346f34acf3e
SHA1285ab6541cc2603d8a32afe0799a66799a7abf9f
SHA25671b794ca7a8108830d7c396ff5a4fa8a317679871bccee8b142fc24c924e5631
SHA51207d56f4d9ac7a807303aff84952bad8dc1a393eaac1ebe8e5784dbfddc5bf65e3b5152c82b558e1fdec44f7b042db66c16ecf7a5a11951c446e5428ee1c49d8e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59466845d15b3a05e6810d8a165457f95
SHA106d965b89819f0ac7564234f87369b49f1b3833d
SHA25613a4dfa4eee9ae453d672d096ae74b1052c2cbe3648e1f9e9b0185772636d8ed
SHA512290f2e583a989cf7b114ae4299dc5956c86c1b6a05f6d515a09932e5f722dc9478051813bfce23fd650a944fd1f2ef7be5b369d9ed6baeab4c6076d98d399b31
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD500efd7ea6109e6be148e1899bcaf758e
SHA11b42b60c2e66d1e6076dde0e51a3e4396ad4381c
SHA2560932202a4d6d01fe70961ee90b3fb45f3751821ce39192f2b4b9dab3e3bd6a53
SHA512cc73591c969648486f9b351cac460c0bb379f942d4153b77c0b1e2ccdfa7885253732a876357ae8e6bc50a9ff5776aeffe050889481c750442597ca8cb680f23
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Filesize
4.1MB
MD5991ea0880f0cc133ec464b737c084ec4
SHA107bf27191162eedbc748903af8faa01e8a6291d3
SHA25670c18c27d6467dcbb1703e0b211cf3dc37b15953bc0bc34df5f609d594a33fdc
SHA512139e3b22863287eaf64103736e7208a3062a700cc9903eef37ea93029dcbc27bfedb047d03161ff1fcd00ed9a051a21a001edb5bf13545b9d785a1a56d3de394
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec