Analysis
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max time kernel
150s -
max time network
150s -
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 14:04
Static task
static1
Behavioral task
behavioral1
Sample
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe
Resource
win10v2004-20240412-en
General
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Target
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe
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Size
4.2MB
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MD5
87c0283fa05fc8944128eeb59baff711
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SHA1
a6a14767ea1b83fd2c9d9eed73d47ce11a8a5a56
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SHA256
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b
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SHA512
5edc5a2cec74696bca82f6900e02510ccb7b7ad1eafab7db0437f5c231260d3559e83cc63d37d5910b16d2cbfd2ace7da280dfe6dfd82d10b695050c60eb714e
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SSDEEP
98304:zu15A1GiNRFuKfVvdEh8/k6ld6teGU//blllQO5EUt0+BFZRUpdVYh:zaARFuKJWhQkavn//blllQdNaFDGXK
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/1556-2-0x0000000004090000-0x000000000497B000-memory.dmp family_glupteba behavioral2/memory/1556-3-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/5052-44-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1556-67-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/5052-131-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/5052-140-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-231-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-241-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-244-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-247-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-250-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-253-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-256-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-259-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-262-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-265-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-268-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-271-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba behavioral2/memory/1864-274-0x0000000000400000-0x0000000001DFD000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1196 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1864 csrss.exe 3928 injector.exe 4988 windefender.exe 2296 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/4988-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2296-243-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2296-249-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exe4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.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\"" csrss.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\"" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.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:
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exe4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.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 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe File created C:\Windows\rss\csrss.exe 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 4032 sc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4884 1136 WerFault.exe 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 2840 schtasks.exe 1196 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exe4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-182 = "Mountain Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.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,-2492 = "Aus Central W. Standard Time" windefender.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\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.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\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-602 = "Taipei Standard 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,-562 = "SE Asia Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3142 = "South Sudan Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-292 = "Central European 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" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates 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\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.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\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2792 = "Novosibirsk Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2892 = "Sudan Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exepowershell.exe4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1136 powershell.exe 1136 powershell.exe 1556 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 1556 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 1752 powershell.exe 1752 powershell.exe 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe 2136 powershell.exe 2136 powershell.exe 4312 powershell.exe 4312 powershell.exe 2828 powershell.exe 2828 powershell.exe 2556 powershell.exe 2556 powershell.exe 3064 powershell.exe 3064 powershell.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 1864 csrss.exe 1864 csrss.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 1864 csrss.exe 1864 csrss.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 1864 csrss.exe 1864 csrss.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe 3928 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 1136 powershell.exe Token: SeDebugPrivilege 1556 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Token: SeImpersonatePrivilege 1556 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe Token: SeDebugPrivilege 1752 powershell.exe Token: SeDebugPrivilege 2136 powershell.exe Token: SeDebugPrivilege 4312 powershell.exe Token: SeDebugPrivilege 2828 powershell.exe Token: SeDebugPrivilege 2556 powershell.exe Token: SeDebugPrivilege 3064 powershell.exe Token: SeSystemEnvironmentPrivilege 1864 csrss.exe Token: SeSecurityPrivilege 4032 sc.exe Token: SeSecurityPrivilege 4032 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1556 wrote to memory of 1136 1556 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 1556 wrote to memory of 1136 1556 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 1556 wrote to memory of 1136 1556 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5052 wrote to memory of 1752 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5052 wrote to memory of 1752 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5052 wrote to memory of 1752 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5052 wrote to memory of 3928 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe cmd.exe PID 5052 wrote to memory of 3928 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe cmd.exe PID 3928 wrote to memory of 1196 3928 cmd.exe netsh.exe PID 3928 wrote to memory of 1196 3928 cmd.exe netsh.exe PID 5052 wrote to memory of 2136 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5052 wrote to memory of 2136 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5052 wrote to memory of 2136 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5052 wrote to memory of 4312 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5052 wrote to memory of 4312 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5052 wrote to memory of 4312 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe powershell.exe PID 5052 wrote to memory of 1864 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe csrss.exe PID 5052 wrote to memory of 1864 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe csrss.exe PID 5052 wrote to memory of 1864 5052 4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe csrss.exe PID 1864 wrote to memory of 2828 1864 csrss.exe powershell.exe PID 1864 wrote to memory of 2828 1864 csrss.exe powershell.exe PID 1864 wrote to memory of 2828 1864 csrss.exe powershell.exe PID 1864 wrote to memory of 2556 1864 csrss.exe powershell.exe PID 1864 wrote to memory of 2556 1864 csrss.exe powershell.exe PID 1864 wrote to memory of 2556 1864 csrss.exe powershell.exe PID 1864 wrote to memory of 3064 1864 csrss.exe powershell.exe PID 1864 wrote to memory of 3064 1864 csrss.exe powershell.exe PID 1864 wrote to memory of 3064 1864 csrss.exe powershell.exe PID 1864 wrote to memory of 3928 1864 csrss.exe injector.exe PID 1864 wrote to memory of 3928 1864 csrss.exe injector.exe PID 4988 wrote to memory of 3352 4988 windefender.exe cmd.exe PID 4988 wrote to memory of 3352 4988 windefender.exe cmd.exe PID 4988 wrote to memory of 3352 4988 windefender.exe cmd.exe PID 3352 wrote to memory of 4032 3352 cmd.exe sc.exe PID 3352 wrote to memory of 4032 3352 cmd.exe sc.exe PID 3352 wrote to memory of 4032 3352 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\4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe"C:\Users\Admin\AppData\Local\Temp\4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1136 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 24123⤵
- Program crash
PID:4884
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C:\Users\Admin\AppData\Local\Temp\4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.exe"C:\Users\Admin\AppData\Local\Temp\4297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b.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:5052 -
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:1752
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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:3928 -
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:1196
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2136
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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:4312
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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:1864 -
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:2828
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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:2840
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:760
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2556
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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:3064
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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:3928
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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:1196
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4988 -
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:3352 -
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:4032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1136 -ip 11361⤵PID:1476
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2296
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
MD5f977b28d5efb37f1a66c8f8a2ff8c8ce
SHA1650db722d10c765e0b709bff2cab764177bcf473
SHA25654aecc0c1b3c6b292466017b2e4c2edc8f79ab9410421001beff6aa3045828f9
SHA51269d62a5ab5fbf350ec6bb4bea15639968976c3290c2f17aa70cac78561dddc27e9b9d07fc3900392f02f4b5741ce9a00d47f468255ebae213dfad08956b30969
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD56a571a51c376004ed4923a9c753c5c43
SHA1605ab4ccbda95641633b289eb5c7058d62ae3c27
SHA256a4dca8f787847bc6dbdd594610fc87f4e463623d2e5b16c3e0754282d5e0c6ee
SHA5126419a65df5e81eab7584f8b69b2baf3ddb6c28f01c39095cc934f14c5466f271ee4a5ff9ab1c049aed49d03500a3670528ce0a2f2e115541c14d78188ecc0ac5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ccb39a51b7c56673639c00a8af87e7ce
SHA1fc67074b00793547f59bb6a8c9df54fe838ce058
SHA256b9862e627e945571e87853209fb20fa74dfd712df1d4f3cf96cd70b131efe1de
SHA5122f1b0465001011cb38056b443ccf23ab7ac92d053a0bf974a0502b981eb93c5d4eb9ab57f686aaa7033afda9f1464dcbdf75cf4f9c42c1ef13de1bdd7bc25bf5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5176857728e20e9d65fca71c450717f95
SHA173d4d9b87d31d52c7935a89438471a82123bf2d9
SHA256823cccf576d791ee83026e3dfe79b1dcd25a5c3ad85ab16f28a03134aed93073
SHA512b1226a9eecfd9af63716d77d4268389361369fe6d1064252ad05b2d96e105323206663b4a236f7ad08c9a48c56b9af3a2c0f22c6ed50fcabf9d152444b834a63
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5cae997a66df219bd4adf5bd82a538ba1
SHA1983edcc4dc6dce320b83c57931971193b8c489a9
SHA256ffac5043a38ce3baa9c8e7ef47125a8588a2762ac37f11191a4306c3624247a1
SHA512b8eb790778177fd12b917748f3b6139522f8349156c5a5384d90627988706caf0a850e96b551a5d5c560faa894c77bce2d5070e3fcad6bba60f1ec76bad8c5b7
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Filesize
4.2MB
MD587c0283fa05fc8944128eeb59baff711
SHA1a6a14767ea1b83fd2c9d9eed73d47ce11a8a5a56
SHA2564297d32428b0bbdb7d3efcbd39e58bda78359a6f7f456fe8758140560bec889b
SHA5125edc5a2cec74696bca82f6900e02510ccb7b7ad1eafab7db0437f5c231260d3559e83cc63d37d5910b16d2cbfd2ace7da280dfe6dfd82d10b695050c60eb714e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec