Analysis
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max time kernel
149s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
28-04-2024 22:19
Static task
static1
Behavioral task
behavioral1
Sample
060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe
Resource
win10v2004-20240426-en
General
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Target
060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe
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Size
4.2MB
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MD5
67dc9f120b02613dbf9c920730c7961b
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SHA1
710423b4f29585ec50c11c6452e840a0c515dbd4
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SHA256
060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89
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SHA512
4afbbe7a12ba321fdcf64b1d4f4781b313bd0878d22cc1e714fe95b486bf160b56faf4c4980b984e0198c8791ef3ce2ff581d23bfca44723f371f90627a12522
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SSDEEP
98304:zkACmlwGsoXusMthX5nnpua2NN0XKOSeI8Ul6HVOyuwfig1Z:R9lLT+v5npu/DmOeIxi1jfic
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral2/memory/3768-2-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral2/memory/3768-3-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/3768-88-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/1204-124-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/3768-147-0x0000000003F20000-0x000000000480B000-memory.dmp family_glupteba behavioral2/memory/2780-150-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/2780-198-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/2780-205-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/2780-207-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/2780-209-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/2780-211-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/2780-213-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/2780-215-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/2780-217-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/2780-219-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/2780-221-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/2780-223-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba behavioral2/memory/2780-225-0x0000000000400000-0x0000000001DFA000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 5000 netsh.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 2780 csrss.exe 1520 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-293923083-2364846840-4256557006-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\S-1-5-21-293923083-2364846840-4256557006-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File 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 -
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:
060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe -
Drops file in Windows directory 2 IoCs
Processes:
060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exedescription ioc process File opened for modification C:\Windows\rss 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe File created C:\Windows\rss\csrss.exe 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.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 484 schtasks.exe 4836 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exepowershell.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,-631 = "Tokyo Daylight Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-82 = "Atlantic Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2592 = "Tocantins Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-151 = "Central America Daylight Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-292 = "Central European Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA 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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2572 = "Turks and Caicos Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-282 = "Central Europe Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exepowershell.exe060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4844 powershell.exe 4844 powershell.exe 3768 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe 3768 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe 4324 powershell.exe 4324 powershell.exe 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe 1800 powershell.exe 1800 powershell.exe 1888 powershell.exe 1888 powershell.exe 3200 powershell.exe 3200 powershell.exe 4408 powershell.exe 4408 powershell.exe 2504 powershell.exe 2504 powershell.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 2780 csrss.exe 1520 injector.exe 2780 csrss.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 2780 csrss.exe 2780 csrss.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe 1520 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
powershell.exe060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exedescription pid process Token: SeDebugPrivilege 4844 powershell.exe Token: SeDebugPrivilege 3768 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Token: SeImpersonatePrivilege 3768 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 1800 powershell.exe Token: SeDebugPrivilege 1888 powershell.exe Token: SeDebugPrivilege 3200 powershell.exe Token: SeDebugPrivilege 4408 powershell.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeSystemEnvironmentPrivilege 2780 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.execmd.execsrss.exedescription pid process target process PID 3768 wrote to memory of 4844 3768 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe powershell.exe PID 3768 wrote to memory of 4844 3768 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe powershell.exe PID 3768 wrote to memory of 4844 3768 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe powershell.exe PID 1204 wrote to memory of 4324 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe powershell.exe PID 1204 wrote to memory of 4324 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe powershell.exe PID 1204 wrote to memory of 4324 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe powershell.exe PID 1204 wrote to memory of 5056 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe cmd.exe PID 1204 wrote to memory of 5056 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe cmd.exe PID 5056 wrote to memory of 5000 5056 cmd.exe netsh.exe PID 5056 wrote to memory of 5000 5056 cmd.exe netsh.exe PID 1204 wrote to memory of 1800 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe powershell.exe PID 1204 wrote to memory of 1800 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe powershell.exe PID 1204 wrote to memory of 1800 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe powershell.exe PID 1204 wrote to memory of 1888 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe powershell.exe PID 1204 wrote to memory of 1888 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe powershell.exe PID 1204 wrote to memory of 1888 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe powershell.exe PID 1204 wrote to memory of 2780 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe csrss.exe PID 1204 wrote to memory of 2780 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe csrss.exe PID 1204 wrote to memory of 2780 1204 060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe csrss.exe PID 2780 wrote to memory of 3200 2780 csrss.exe powershell.exe PID 2780 wrote to memory of 3200 2780 csrss.exe powershell.exe PID 2780 wrote to memory of 3200 2780 csrss.exe powershell.exe PID 2780 wrote to memory of 4408 2780 csrss.exe powershell.exe PID 2780 wrote to memory of 4408 2780 csrss.exe powershell.exe PID 2780 wrote to memory of 4408 2780 csrss.exe powershell.exe PID 2780 wrote to memory of 2504 2780 csrss.exe powershell.exe PID 2780 wrote to memory of 2504 2780 csrss.exe powershell.exe PID 2780 wrote to memory of 2504 2780 csrss.exe powershell.exe PID 2780 wrote to memory of 1520 2780 csrss.exe injector.exe PID 2780 wrote to memory of 1520 2780 csrss.exe injector.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\060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe"C:\Users\Admin\AppData\Local\Temp\060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3768 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4844 -
C:\Users\Admin\AppData\Local\Temp\060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.exe"C:\Users\Admin\AppData\Local\Temp\060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89.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:1204 -
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:4324 -
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:5056 -
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:5000 -
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:1800 -
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:1888 -
C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780 -
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:3200 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:484 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4172
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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:4408 -
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:2504 -
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:1520 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4836
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
MD578c03b91a7e88ec68c4403586273601a
SHA19b218451b50445f113980abf5a1ce3df6bedffcb
SHA256dbfcc94a38e12676d8333b71dc353115099e93cabd23b34fff0588c4bd375a2f
SHA512fe0e26ed8ccf0ce1e60b6ca618ad9cfe25747d1b86718920d0b0ba8efd8d73e94abb78ca260a712c4af30d16193913040b7299d9e7ce1045379a6ac5c15b0bee
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ffeafee9efff9459e1f6ded692b2df9c
SHA19a92843b1c718c16b233674b391cbfcf8a851d90
SHA256ce7bd6cd64c66a872f69a924e498aac73fa01f98c16caae451c6c0a9e237756e
SHA512bda02516c38006054f9b42c3679b80e0b872bc89c640d9c207edb28826f06e5d02ce09303c22cc3b05c5459b76cacb5d85695cf1bb6ad39907fc9e1da218aaa1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5346a8cd67cb1775966213b3923815a17
SHA19ab3cfbf4ef7ebf99e6738073bd6d1ca671c55b6
SHA2564ee666765582359cffe97f7cf8d6efc95742b02db7f1955f3acdeca8b483d160
SHA512c694c368175d4106f5e162a21988030f3f40f0e1be81f3a0fa35b037d56c09ae88e7214a87a3b75d1e20c82b98de13f24fb405915dafd754218f5407abc03395
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59cca55af56ebd55d9e8269598496bfd6
SHA10d76a64cdc34b9b594eba899a4ee511bf5633a66
SHA256d94d6d958267c2abc0c93b09cf651a3239db26811122d4b3eb7605410f96c208
SHA512a309c100a8fdd081972a7db576069049892ad414c26418887d6b503b3af3cb8d74a5058353a1d2fe84e06bcb13b30c68541da8a304c5a438ec426d206b74c9e6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d460ba7fe9dcd4973be2bd403e826439
SHA1f1fa51eec6a5336d60151d260d72914b243d1f98
SHA256a1c844a4a252f22fd8bc1c4c7dd183ce6d82ca4321cddcef663bfc004357ed6a
SHA51216250471ab6012bb615ed450da7659b1d8b20bc5da743994cc1e801540ee67d48ce02e6a8a235a6276a581ed24c8543a028de5e52d05827f2691226d303ca2a8
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Filesize
4.2MB
MD567dc9f120b02613dbf9c920730c7961b
SHA1710423b4f29585ec50c11c6452e840a0c515dbd4
SHA256060e2351c54cbb6fd01c0b0431f0345b8270cc6cc3108639671543702c9f6a89
SHA5124afbbe7a12ba321fdcf64b1d4f4781b313bd0878d22cc1e714fe95b486bf160b56faf4c4980b984e0198c8791ef3ce2ff581d23bfca44723f371f90627a12522