Analysis
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max time kernel
149s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
16-05-2024 15:24
Static task
static1
Behavioral task
behavioral1
Sample
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe
Resource
win10v2004-20240508-en
General
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Target
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe
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Size
4.1MB
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MD5
e01db36b2072fb0648e7b3d39600676a
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SHA1
a031bd80b92659226afe1fbc31335e97e293e8a3
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SHA256
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9
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SHA512
3c30090d0bcdc8fe2b9af75840f84a587ff83f64cf569b369a3eeb4fefdb166a4c18926cbc5fc60f62a2fe86242155cbe57c8bc86b4e8f1912802f285925337f
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SSDEEP
98304:QvzBhIm6zIE7SIO2RhCG9zRnSMmyRgCXxFQG9cP:mzBhDcIv8bCGbNmyXXxFQGyP
Malware Config
Signatures
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Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/3088-2-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/3088-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3088-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/3088-55-0x0000000002D90000-0x000000000367B000-memory.dmp family_glupteba behavioral1/memory/220-58-0x0000000002DC0000-0x00000000036AB000-memory.dmp family_glupteba behavioral1/memory/220-131-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/220-136-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-220-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-231-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-232-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-234-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-236-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-239-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-241-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-242-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-244-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-247-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-249-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-250-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/2256-252-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3376 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2256 csrss.exe 5060 injector.exe 1168 windefender.exe 3492 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x0009000000023423-224.dat upx behavioral1/memory/1168-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3492-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1168-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3492-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3492-237-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3492-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe -
Drops file in Windows directory 4 IoCs
Processes:
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe File created C:\Windows\rss\csrss.exe 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.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 4076 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2468 powershell.exe 4980 powershell.exe 4484 powershell.exe 4412 powershell.exe 4260 powershell.exe 448 powershell.exe 4268 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 624 schtasks.exe 3680 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exepowershell.exewindefender.exepowershell.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,-2872 = "Magallanes Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.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,-601 = "Taipei Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-141 = "Canada Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian 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\@tzres.dll,-1042 = "Ulaanbaatar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\@tzres.dll,-92 = "Pacific SA 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 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,-451 = "Caucasus Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-351 = "FLE Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-771 = "Montevideo Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2771 = "Omsk Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-571 = "China Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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,-531 = "Sri Lanka Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2751 = "Tomsk Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.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\@tzres.dll,-2841 = "Saratov Daylight 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\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-231 = "Hawaiian Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exepowershell.exe985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4980 powershell.exe 4980 powershell.exe 3088 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 3088 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 4484 powershell.exe 4484 powershell.exe 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 4412 powershell.exe 4412 powershell.exe 4260 powershell.exe 4260 powershell.exe 448 powershell.exe 448 powershell.exe 4268 powershell.exe 4268 powershell.exe 2468 powershell.exe 2468 powershell.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 2256 csrss.exe 2256 csrss.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 2256 csrss.exe 2256 csrss.exe 5060 injector.exe 5060 injector.exe 2256 csrss.exe 2256 csrss.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe 5060 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4980 powershell.exe Token: SeDebugPrivilege 3088 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Token: SeImpersonatePrivilege 3088 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe Token: SeDebugPrivilege 4484 powershell.exe Token: SeDebugPrivilege 4412 powershell.exe Token: SeDebugPrivilege 4260 powershell.exe Token: SeDebugPrivilege 448 powershell.exe Token: SeDebugPrivilege 4268 powershell.exe Token: SeDebugPrivilege 2468 powershell.exe Token: SeSystemEnvironmentPrivilege 2256 csrss.exe Token: SeSecurityPrivilege 4076 sc.exe Token: SeSecurityPrivilege 4076 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 3088 wrote to memory of 4980 3088 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 87 PID 3088 wrote to memory of 4980 3088 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 87 PID 3088 wrote to memory of 4980 3088 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 87 PID 220 wrote to memory of 4484 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 98 PID 220 wrote to memory of 4484 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 98 PID 220 wrote to memory of 4484 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 98 PID 220 wrote to memory of 4500 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 101 PID 220 wrote to memory of 4500 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 101 PID 4500 wrote to memory of 3376 4500 cmd.exe 103 PID 4500 wrote to memory of 3376 4500 cmd.exe 103 PID 220 wrote to memory of 4412 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 104 PID 220 wrote to memory of 4412 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 104 PID 220 wrote to memory of 4412 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 104 PID 220 wrote to memory of 4260 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 106 PID 220 wrote to memory of 4260 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 106 PID 220 wrote to memory of 4260 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 106 PID 220 wrote to memory of 2256 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 108 PID 220 wrote to memory of 2256 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 108 PID 220 wrote to memory of 2256 220 985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe 108 PID 2256 wrote to memory of 448 2256 csrss.exe 109 PID 2256 wrote to memory of 448 2256 csrss.exe 109 PID 2256 wrote to memory of 448 2256 csrss.exe 109 PID 2256 wrote to memory of 4268 2256 csrss.exe 115 PID 2256 wrote to memory of 4268 2256 csrss.exe 115 PID 2256 wrote to memory of 4268 2256 csrss.exe 115 PID 2256 wrote to memory of 2468 2256 csrss.exe 117 PID 2256 wrote to memory of 2468 2256 csrss.exe 117 PID 2256 wrote to memory of 2468 2256 csrss.exe 117 PID 2256 wrote to memory of 5060 2256 csrss.exe 120 PID 2256 wrote to memory of 5060 2256 csrss.exe 120 PID 1168 wrote to memory of 1864 1168 windefender.exe 126 PID 1168 wrote to memory of 1864 1168 windefender.exe 126 PID 1168 wrote to memory of 1864 1168 windefender.exe 126 PID 1864 wrote to memory of 4076 1864 cmd.exe 127 PID 1864 wrote to memory of 4076 1864 cmd.exe 127 PID 1864 wrote to memory of 4076 1864 cmd.exe 127 -
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\985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe"C:\Users\Admin\AppData\Local\Temp\985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4980
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C:\Users\Admin\AppData\Local\Temp\985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.exe"C:\Users\Admin\AppData\Local\Temp\985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9.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:220 -
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:4484
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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:4500 -
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:3376
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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:4412
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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:4260
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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:2256 -
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:448
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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:624
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1080
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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:4268
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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:2468
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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:5060
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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:3680
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1168 -
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:1864 -
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:4076
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3492
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD507175441c91df9fb1c344817ed8c078d
SHA14fac271ca23a0717e7008f71980d762db1f69716
SHA256357b09a29f1eaaf0904957d37d1d976462d85943af305b7cde37141002585746
SHA512c7d291f09ddac5d1b2332ad310fa04a40f34c68c8a0f8739f45b247e8bd864e68f5b731a4edf634aeeaebf207476cc9fdaeeda23954079e048f5f7b90f0e558b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e69a24f9620d1ad7c04a09ee65a86c29
SHA1805c6d0283711836e917701117a2003850e4e21d
SHA25605f6ece155a718dd8508e6fb04f4b398365ca3e0ef5ddf18efbc2f27ade7b5a4
SHA512f6d443d6c22860139379a1abfa2fff4d73606de6614cc910f63410bfa9a1f4de6bea34e8f1675ac552cca244260ccd07d665ba5f99854d624c028f2dac73154c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58513ecf8d1476dd29e3f7dd049325770
SHA10732071f6d6ad6018894a521100cb90ca46ac475
SHA2569fe02ce4e1dd230975a7b6656d082964dd1f477fbd73c9d3f5d7fad7c7427fa4
SHA51200843ab083aafd3be9090e06de6aeced16fed27e5ee56a5d91476513fdb8a6848970b02356c9577582c11f535cdce7163f4ca31285b8c917363e97a6939bc0ca
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f9a7ddb96a216f63c4ac8df9be2306ea
SHA1d5c17182a6492ffefe429b774448608a25f9af1a
SHA2562ea06861e55451c4a2ee054044f8c5da8eaf6a3f093b75e4859410b4a2bf658e
SHA512bbd66c19fbb4d5e01df72f5930b5a4cc27e5ea0ecb9e584a6a64eea974d2f74234538a60d079a32e01fb2ff080f18e2730e04fd5affd96ba5d70d07ebf503d1c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56fea11ff63018e31974aa3dfe320e3fe
SHA1972203314b6aebddf6bb242c710c9cf8b766b872
SHA25680489f2315739812819b26fc201afa0960dbd170741d0d1ff7124d95bd92bf28
SHA5129cc6cbb1c6090b38bfe081601cc0bbb02b78d17d023c2a765e4eadd32cb974c5ea7779c037ffbb80aeac5dc53cf678c7c32f86c33c8a3f5ffa0f10d5318e66a8
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Filesize
4.1MB
MD5e01db36b2072fb0648e7b3d39600676a
SHA1a031bd80b92659226afe1fbc31335e97e293e8a3
SHA256985ba69b325fce3711e83db096d4c22239087ba8b185425e31081c8a4e5f5cd9
SHA5123c30090d0bcdc8fe2b9af75840f84a587ff83f64cf569b369a3eeb4fefdb166a4c18926cbc5fc60f62a2fe86242155cbe57c8bc86b4e8f1912802f285925337f
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec