Analysis
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max time kernel
150s -
max time network
123s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-04-2024 15:53
Static task
static1
Behavioral task
behavioral1
Sample
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe
Resource
win10v2004-20240412-en
General
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Target
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe
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Size
4.2MB
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MD5
80dcd002613d02cf485e511aa3cff427
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SHA1
dc10c38af729c9b18b5840a149c28e65fe8f49bf
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SHA256
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b
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SHA512
7fb5cd2886932cab4cf764bed7d3de6feabc434faf90a7d2e28dafb5e1034b546ddf7ba8a1998c7265eacb8b3d6d7ac02a4fe8ce038e3c1333d89337ae5388f1
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SSDEEP
98304:XoZCtMNcIJm/Wi5iI7vKblq/qDx6472PxO1xv/KiJe/:X3OuIEug7vwUGt7S+nKp
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/2548-2-0x0000000004050000-0x000000000493B000-memory.dmp family_glupteba behavioral2/memory/2548-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2548-52-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2548-55-0x0000000004050000-0x000000000493B000-memory.dmp family_glupteba behavioral2/memory/2484-56-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/2484-147-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-243-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-252-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-254-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-256-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-258-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-260-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-262-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-264-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-266-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-270-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-272-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1000-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3168 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1000 csrss.exe 888 injector.exe 396 windefender.exe 3528 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/396-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3528-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3528-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\S-1-5-21-3263309122-2820180308-3568046652-1000\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 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 -
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:
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe -
Drops file in Windows directory 4 IoCs
Processes:
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe File created C:\Windows\rss\csrss.exe 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.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 128 sc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3828 2548 WerFault.exe 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.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 3988 schtasks.exe 3180 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-31 = "Mid-Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-191 = "Mountain Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\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\26\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-342 = "Egypt Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\26\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-681 = "E. Australia Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2511 = "Lord Howe Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-492 = "India Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-911 = "Mauritius Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-632 = "Tokyo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-132 = "US Eastern Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-242 = "Samoa Standard Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-221 = "Alaskan Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-561 = "SE Asia Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\26\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exepowershell.exe9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4792 powershell.exe 4792 powershell.exe 2548 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 2548 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 1544 powershell.exe 1544 powershell.exe 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe 3480 powershell.exe 3480 powershell.exe 2904 powershell.exe 2904 powershell.exe 2560 powershell.exe 2560 powershell.exe 3932 powershell.exe 3932 powershell.exe 416 powershell.exe 416 powershell.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 1000 csrss.exe 1000 csrss.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 1000 csrss.exe 1000 csrss.exe 888 injector.exe 888 injector.exe 1000 csrss.exe 1000 csrss.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe 888 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 4792 powershell.exe Token: SeDebugPrivilege 2548 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Token: SeImpersonatePrivilege 2548 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe Token: SeDebugPrivilege 1544 powershell.exe Token: SeDebugPrivilege 3480 powershell.exe Token: SeDebugPrivilege 2904 powershell.exe Token: SeDebugPrivilege 2560 powershell.exe Token: SeDebugPrivilege 3932 powershell.exe Token: SeDebugPrivilege 416 powershell.exe Token: SeSystemEnvironmentPrivilege 1000 csrss.exe Token: SeSecurityPrivilege 128 sc.exe Token: SeSecurityPrivilege 128 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2548 wrote to memory of 4792 2548 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 2548 wrote to memory of 4792 2548 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 2548 wrote to memory of 4792 2548 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 2484 wrote to memory of 1544 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 2484 wrote to memory of 1544 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 2484 wrote to memory of 1544 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 2484 wrote to memory of 2324 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe cmd.exe PID 2484 wrote to memory of 2324 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe cmd.exe PID 2324 wrote to memory of 3168 2324 cmd.exe netsh.exe PID 2324 wrote to memory of 3168 2324 cmd.exe netsh.exe PID 2484 wrote to memory of 3480 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 2484 wrote to memory of 3480 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 2484 wrote to memory of 3480 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 2484 wrote to memory of 2904 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 2484 wrote to memory of 2904 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 2484 wrote to memory of 2904 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe powershell.exe PID 2484 wrote to memory of 1000 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe csrss.exe PID 2484 wrote to memory of 1000 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe csrss.exe PID 2484 wrote to memory of 1000 2484 9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe csrss.exe PID 1000 wrote to memory of 2560 1000 csrss.exe powershell.exe PID 1000 wrote to memory of 2560 1000 csrss.exe powershell.exe PID 1000 wrote to memory of 2560 1000 csrss.exe powershell.exe PID 1000 wrote to memory of 3932 1000 csrss.exe powershell.exe PID 1000 wrote to memory of 3932 1000 csrss.exe powershell.exe PID 1000 wrote to memory of 3932 1000 csrss.exe powershell.exe PID 1000 wrote to memory of 416 1000 csrss.exe powershell.exe PID 1000 wrote to memory of 416 1000 csrss.exe powershell.exe PID 1000 wrote to memory of 416 1000 csrss.exe powershell.exe PID 1000 wrote to memory of 888 1000 csrss.exe injector.exe PID 1000 wrote to memory of 888 1000 csrss.exe injector.exe PID 396 wrote to memory of 3904 396 windefender.exe cmd.exe PID 396 wrote to memory of 3904 396 windefender.exe cmd.exe PID 396 wrote to memory of 3904 396 windefender.exe cmd.exe PID 3904 wrote to memory of 128 3904 cmd.exe sc.exe PID 3904 wrote to memory of 128 3904 cmd.exe sc.exe PID 3904 wrote to memory of 128 3904 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\9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe"C:\Users\Admin\AppData\Local\Temp\9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2548 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4792
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C:\Users\Admin\AppData\Local\Temp\9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.exe"C:\Users\Admin\AppData\Local\Temp\9fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b.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:2484 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1544
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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:2324 -
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:3168
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3480
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2904
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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:1000 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2560
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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:3988
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5088
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3932
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:416
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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:888
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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:3180
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:396 -
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:3904 -
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:128
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 10122⤵
- Program crash
PID:3828
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2548 -ip 25481⤵PID:276
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3528
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d175d886e0e98be2f99342392553543c
SHA1281c8d0a295e530c089d7c4782a0828fe4bac7c7
SHA256da18e55917f75b116e52fb5fbbdf36e14b6446d2ed8d2a774ddddc65cf2b1b92
SHA5123f80844c1f863c19312136e12df3f39dcc2322b60137d431fd41bda447fba385d8db9713cd023d884d9254336901d875a0cb3ea7201cc6f16a450101281dd8f5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD54d78b5199474149b97ac83b212e4c6f8
SHA1103ae937602e973b545d1125b54e47f628de21aa
SHA256f3d19e27d9ce15ab53ab4f624537220bb9c01673e820c5c2e6f606120b091a7b
SHA512889f9ce3606578488c8fb1cf359cc1829a269fa67362a80b05794bc441b45fba8cfb3082b1b92a3166404e845fd25bbe9bff27d040bcb70c53f4f2795e797a71
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a50971112df228510b2494f319ca1ef3
SHA1ec2ea0059a2a9c3abdf4d110b77e43d4231d365a
SHA256eccbdb9ef54fffbe5259e1ac858ffef3bc5ca420d7c7a1fe18290b79491d137c
SHA512dfcaeb38e33c44b943e0dd61f6453a950ecc67e41eb420636c426152e3e87e7ffaff87a67b730563f7b4bb1ad4bc3d35e89960964cf93cf05df64e8beca82666
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5a15797de742c73d1fac432444931b7ad
SHA1fd08be1b267a759971213cd27dce6e7dd2811259
SHA25650810943378d2908f7e92829b015d7b908e134b9d530cf104e871cd604979f26
SHA51248653f633bd52e12b83e224b0c82d4ce239d329a96929c3c277d3f0b1b2018b4ae86f5c789c44531f176cf15eeeeeddaddc1af4fc78060f96f9f848595629ed5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d9aa34fc3046d3677128483aab12d5c0
SHA13b8b4e24784b0b34dd40131ab46762a985813a97
SHA2560acdd363e3a4fdfd753a7b33dbb7b0283a2425ff5eb0875594800b79b8934d10
SHA5127247275e7fa5d3949f866e3e7079dd07ad6fc5e1c57250e7ceb137950f54c01d94a9bcf4eb73559f2663c2d664a6d460d4615972399a542377dd1b77a5ff5c8c
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Filesize
4.2MB
MD580dcd002613d02cf485e511aa3cff427
SHA1dc10c38af729c9b18b5840a149c28e65fe8f49bf
SHA2569fa45bbe1b4cd25678f3f1dbccc3d0d3136846db3c1c31f86edb08d53107733b
SHA5127fb5cd2886932cab4cf764bed7d3de6feabc434faf90a7d2e28dafb5e1034b546ddf7ba8a1998c7265eacb8b3d6d7ac02a4fe8ce038e3c1333d89337ae5388f1
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec