Analysis
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max time kernel
149s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 07:16
Static task
static1
Behavioral task
behavioral1
Sample
5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe
Resource
win10v2004-20240508-en
General
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Target
5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe
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Size
4.1MB
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MD5
9fa5c0769a1935a9f4d16fe4c771dfd1
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SHA1
5abab6bbd908e7fda02488b4b98ad371b2269178
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SHA256
5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f
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SHA512
9f802ece971efa88125af8aab271c3805b1796e9f793ecba81f84528b298ceb78e7de6ea2c901fd501da88f96a329ec7b15e7c5fbd858bfb2fbeb76f4314b1a3
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SSDEEP
98304:g0IUXroYDzElV89sdV2qHm3LaKbYXl7F29tEHWEXgelgSAZWSyDiLA:bIU7SlV8K2X2AhEHFgekcD
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/4440-2-0x0000000004D00000-0x00000000055EB000-memory.dmp family_glupteba behavioral2/memory/4440-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4440-24-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4440-54-0x0000000004D00000-0x00000000055EB000-memory.dmp family_glupteba behavioral2/memory/4440-64-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4440-79-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4472-78-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/4472-130-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3284-142-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3284-206-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3284-218-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3284-221-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3284-225-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3284-229-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3284-234-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3284-238-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3284-241-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3284-245-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba behavioral2/memory/3284-250-0x0000000000400000-0x0000000002B0C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4468 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3284 csrss.exe 2612 injector.exe 1508 windefender.exe 836 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/1508-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/1508-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/836-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/836-222-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/836-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\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 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 -
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:
5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exedescription ioc process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe File created C:\Windows\rss\csrss.exe 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 328 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 2116 powershell.exe 776 powershell.exe 5000 powershell.exe 4620 powershell.exe 236 powershell.exe 1372 powershell.exe 1692 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 388 schtasks.exe 1664 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process 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,-391 = "Arab Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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,-671 = "AUS Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-201 = "US Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-962 = "Paraguay Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.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\trust\CRLs powershell.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,-1822 = "Russia TZ 1 Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-671 = "AUS Eastern Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-352 = "FLE Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.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,-292 = "Central European Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2532 = "Chatham Islands Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-301 = "Romance Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-931 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.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,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga 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" 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\@tzres.dll,-271 = "Greenwich Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exepowershell.exe5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 2116 powershell.exe 2116 powershell.exe 4440 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 4440 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 776 powershell.exe 776 powershell.exe 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe 5000 powershell.exe 5000 powershell.exe 4620 powershell.exe 4620 powershell.exe 236 powershell.exe 236 powershell.exe 1372 powershell.exe 1372 powershell.exe 1692 powershell.exe 1692 powershell.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 3284 csrss.exe 3284 csrss.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 3284 csrss.exe 3284 csrss.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 3284 csrss.exe 3284 csrss.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe 2612 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 2116 powershell.exe Token: SeDebugPrivilege 4440 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Token: SeImpersonatePrivilege 4440 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe Token: SeDebugPrivilege 776 powershell.exe Token: SeDebugPrivilege 5000 powershell.exe Token: SeDebugPrivilege 4620 powershell.exe Token: SeDebugPrivilege 236 powershell.exe Token: SeDebugPrivilege 1372 powershell.exe Token: SeDebugPrivilege 1692 powershell.exe Token: SeSystemEnvironmentPrivilege 3284 csrss.exe Token: SeSecurityPrivilege 328 sc.exe Token: SeSecurityPrivilege 328 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 4440 wrote to memory of 2116 4440 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4440 wrote to memory of 2116 4440 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4440 wrote to memory of 2116 4440 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4472 wrote to memory of 776 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4472 wrote to memory of 776 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4472 wrote to memory of 776 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4472 wrote to memory of 3916 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe cmd.exe PID 4472 wrote to memory of 3916 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe cmd.exe PID 3916 wrote to memory of 4468 3916 cmd.exe netsh.exe PID 3916 wrote to memory of 4468 3916 cmd.exe netsh.exe PID 4472 wrote to memory of 5000 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4472 wrote to memory of 5000 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4472 wrote to memory of 5000 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4472 wrote to memory of 4620 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4472 wrote to memory of 4620 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4472 wrote to memory of 4620 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe powershell.exe PID 4472 wrote to memory of 3284 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe csrss.exe PID 4472 wrote to memory of 3284 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe csrss.exe PID 4472 wrote to memory of 3284 4472 5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe csrss.exe PID 3284 wrote to memory of 236 3284 csrss.exe powershell.exe PID 3284 wrote to memory of 236 3284 csrss.exe powershell.exe PID 3284 wrote to memory of 236 3284 csrss.exe powershell.exe PID 3284 wrote to memory of 1372 3284 csrss.exe powershell.exe PID 3284 wrote to memory of 1372 3284 csrss.exe powershell.exe PID 3284 wrote to memory of 1372 3284 csrss.exe powershell.exe PID 3284 wrote to memory of 1692 3284 csrss.exe powershell.exe PID 3284 wrote to memory of 1692 3284 csrss.exe powershell.exe PID 3284 wrote to memory of 1692 3284 csrss.exe powershell.exe PID 3284 wrote to memory of 2612 3284 csrss.exe injector.exe PID 3284 wrote to memory of 2612 3284 csrss.exe injector.exe PID 1508 wrote to memory of 2592 1508 windefender.exe cmd.exe PID 1508 wrote to memory of 2592 1508 windefender.exe cmd.exe PID 1508 wrote to memory of 2592 1508 windefender.exe cmd.exe PID 2592 wrote to memory of 328 2592 cmd.exe sc.exe PID 2592 wrote to memory of 328 2592 cmd.exe sc.exe PID 2592 wrote to memory of 328 2592 cmd.exe sc.exe -
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\5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe"C:\Users\Admin\AppData\Local\Temp\5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2116 -
C:\Users\Admin\AppData\Local\Temp\5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.exe"C:\Users\Admin\AppData\Local\Temp\5d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f.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:4472 -
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:776 -
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:3916 -
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:4468 -
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:5000 -
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:4620 -
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:3284 -
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:236 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:388 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5080
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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:1372 -
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:1692 -
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:2612 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1664 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1508 -
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:2592 -
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:328
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:836
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
MD5421f46683b68bf99b97557e23e078efe
SHA147bad90b977c83974166a10eaa92ead8d019bf1f
SHA2561d5958bd76920d63d1c8059e759346f891a01d9b2a20bbead02671c61067a89d
SHA512cd03197f5d4116fd09437adc18d97ffaef2b89d22a321404eafd6f361dcccfb4ad74b72e873b29c66f0d6a5501c32289a858c83a902d1c18075e1a235b61b2c3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b131027c87ecac92cd430324e8700644
SHA12c84d1e76d1468d1ef54c53d36bf0dd796acc68a
SHA256c3c7f0e5b608ae298a7cf65a7d42c6d283ab5f189827227881372ee12dc1ecb6
SHA5123c6c71e3305b6eb6fb67411d9b3d838e5bd00aae7cc108e4f7781cfcfb10c85c6714e3acd7ff7a4874edc1b3a2e9577a2edf373c2efd18180fa56428400dfdbe
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5be3f16798378e1db0a14159a9e6273cc
SHA1aed38b84c8ee90f3080bbdbb6be37b666baffffd
SHA256552d4cb15dea7337822c34006af5eae22257af007e92e547932f99893572fb7b
SHA512def454b1c0d4eabfcf0714e98f05157dedb68000eb18f7ba322f61072075efde9ec7f6465f1431b94e03d5c8df495032563261662fdfc1d5dd25ffc9d3616001
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e96f24bfaf5969ab4f4dc11649897fe7
SHA13ae93431795aea061a6477eb319e8c97790acba8
SHA256d47ebaafbea35007821750de4da13e64d597081cc3e89599b72ed801bff5a467
SHA512975ed7ab63b768b3a0e3b6171b69a85a7ea878019381d0a52ee4dc5af38d85ef735da9e09ba06bc9126a774387a1ef58dcc2eafd68661b934ea543b5f8b81df8
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b89fe9d114981dbe50d9e39a6da46d26
SHA100f3d62d9852f1bd74435f5893215766986b4468
SHA256fb7b258f2318cb15e616f41fd000ad3655b60f6a8a59d1fc4dda5e3202866fcb
SHA5122fac19fa15dae2669bf872f9521100b3a387905171008df5354bca6fd81eaca053ad2566730043b2ab7d1daa36cdac9d0387fd3fbc347c8757d61139cd9113e8
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Filesize
4.1MB
MD59fa5c0769a1935a9f4d16fe4c771dfd1
SHA15abab6bbd908e7fda02488b4b98ad371b2269178
SHA2565d935093d4e4039eb9a56e013bac410727951581b7a21dc578f8c360f8c9b40f
SHA5129f802ece971efa88125af8aab271c3805b1796e9f793ecba81f84528b298ceb78e7de6ea2c901fd501da88f96a329ec7b15e7c5fbd858bfb2fbeb76f4314b1a3
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec