Analysis
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max time kernel
149s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
27-04-2024 22:26
Static task
static1
Behavioral task
behavioral1
Sample
782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe
Resource
win10v2004-20240419-en
General
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Target
782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe
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Size
4.2MB
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MD5
a8ecd54b2d45b34014942cd86912b3a2
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SHA1
e7353349e276e72091cbd994d238cb0587062ac0
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SHA256
782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774
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SHA512
4f0945a7c918de995766ca4efad9b2d68dd706e2b2e01d15de1e10b79d861d70db5ea70018ee085196e1963855239d9daf662e9facfe242b6dafb85ccf6b9bb1
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SSDEEP
98304:3amOmyh13YwSD+iffg9rOMOczucEEdNxQlfwo87Elwi0PG16:3Ty8Jy4o9ecZxQhwo8IinPG16
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/4368-2-0x0000000003ED0000-0x00000000047BB000-memory.dmp family_glupteba behavioral1/memory/4368-3-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4368-80-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4368-106-0x0000000003ED0000-0x00000000047BB000-memory.dmp family_glupteba behavioral1/memory/332-158-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-160-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-218-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-221-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-223-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-227-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-230-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-233-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-236-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-239-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-242-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-245-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-248-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4988-250-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4956 netsh.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 4988 csrss.exe 3700 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\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 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 -
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:
782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe -
Drops file in Windows directory 2 IoCs
Processes:
782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exedescription ioc process File opened for modification C:\Windows\rss 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe File created C:\Windows\rss\csrss.exe 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.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 2016 schtasks.exe 4064 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.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,-261 = "GMT Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2002 = "Cabo Verde Standard Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-241 = "Samoa Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs 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,-492 = "India Standard Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-111 = "Eastern Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2891 = "Sudan Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.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,-442 = "Arabian Standard Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-331 = "E. Europe Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-41 = "E. South America Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\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,-371 = "Jerusalem Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-411 = "E. Africa Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2411 = "Marquesas Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exepowershell.exe782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 4916 powershell.exe 4916 powershell.exe 4368 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe 4368 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe 3544 powershell.exe 3544 powershell.exe 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe 3700 powershell.exe 3700 powershell.exe 3776 powershell.exe 3776 powershell.exe 4984 powershell.exe 4984 powershell.exe 2648 powershell.exe 2648 powershell.exe 2292 powershell.exe 2292 powershell.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 4988 csrss.exe 4988 csrss.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 4988 csrss.exe 4988 csrss.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe 3700 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
powershell.exe782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exedescription pid process Token: SeDebugPrivilege 4916 powershell.exe Token: SeDebugPrivilege 4368 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Token: SeImpersonatePrivilege 4368 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe Token: SeDebugPrivilege 3544 powershell.exe Token: SeDebugPrivilege 3700 powershell.exe Token: SeDebugPrivilege 3776 powershell.exe Token: SeDebugPrivilege 4984 powershell.exe Token: SeDebugPrivilege 2648 powershell.exe Token: SeDebugPrivilege 2292 powershell.exe Token: SeSystemEnvironmentPrivilege 4988 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.execmd.execsrss.exedescription pid process target process PID 4368 wrote to memory of 4916 4368 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe powershell.exe PID 4368 wrote to memory of 4916 4368 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe powershell.exe PID 4368 wrote to memory of 4916 4368 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe powershell.exe PID 332 wrote to memory of 3544 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe powershell.exe PID 332 wrote to memory of 3544 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe powershell.exe PID 332 wrote to memory of 3544 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe powershell.exe PID 332 wrote to memory of 3328 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe cmd.exe PID 332 wrote to memory of 3328 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe cmd.exe PID 3328 wrote to memory of 4956 3328 cmd.exe netsh.exe PID 3328 wrote to memory of 4956 3328 cmd.exe netsh.exe PID 332 wrote to memory of 3700 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe powershell.exe PID 332 wrote to memory of 3700 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe powershell.exe PID 332 wrote to memory of 3700 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe powershell.exe PID 332 wrote to memory of 3776 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe powershell.exe PID 332 wrote to memory of 3776 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe powershell.exe PID 332 wrote to memory of 3776 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe powershell.exe PID 332 wrote to memory of 4988 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe csrss.exe PID 332 wrote to memory of 4988 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe csrss.exe PID 332 wrote to memory of 4988 332 782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe csrss.exe PID 4988 wrote to memory of 4984 4988 csrss.exe powershell.exe PID 4988 wrote to memory of 4984 4988 csrss.exe powershell.exe PID 4988 wrote to memory of 4984 4988 csrss.exe powershell.exe PID 4988 wrote to memory of 2648 4988 csrss.exe powershell.exe PID 4988 wrote to memory of 2648 4988 csrss.exe powershell.exe PID 4988 wrote to memory of 2648 4988 csrss.exe powershell.exe PID 4988 wrote to memory of 2292 4988 csrss.exe powershell.exe PID 4988 wrote to memory of 2292 4988 csrss.exe powershell.exe PID 4988 wrote to memory of 2292 4988 csrss.exe powershell.exe PID 4988 wrote to memory of 3700 4988 csrss.exe injector.exe PID 4988 wrote to memory of 3700 4988 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\782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe"C:\Users\Admin\AppData\Local\Temp\782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4368 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4916
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C:\Users\Admin\AppData\Local\Temp\782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.exe"C:\Users\Admin\AppData\Local\Temp\782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774.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:332 -
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:3544
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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:3328 -
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:4956
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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:3700
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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:3776
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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.
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4988 -
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:4984
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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:2016
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:2760
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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:2648
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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:2292
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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:3700
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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:4064
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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
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD575685751ec7409c5b64a34e682216e08
SHA1366e93e96bb4a3852b737b3a61e6e1917acc812c
SHA25667ea564e0c5305ae12cea18c948dfea305137d41a19de8362c8e5b2676ba67b3
SHA512a8944e5ec63d4739a26f14ebaf4abe5611da09ed5b49253b19bb9b07bc0113a7523b1d284a7baa10c40c00b83d7755495ed76af99a2fc630e79bc9457c9166a9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5af90324d046bc65708518e5e266b8f38
SHA125d1a97c3714097c5e094411e460814a5aa760fa
SHA2563c266f63e54f3aa15bacb6c2b377438c15d845dc5179f0e8f0c26c8e88002e2e
SHA512ec75db98928b03291585c4929aa3ede73c22eb3ef23fb4944a23d0e1cd1f46010de1ab62e6ddd85b974de1450f2c8b75f0edd6b177639ab78c890d16753cc35b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b6227b57e87887da61ac9dc8722c150a
SHA11f51b550719c2d87eb934cae057330e62159a99b
SHA2569f10464113899e02ecd6a7a84fcfe367b8b96ad67d49779b73243c83a72d6ea0
SHA512739a0325d39a5871d6cd21ef84c61278835d21279d67d46f6902ee2ae5ad7a3fa4b3ca87aad85cd5944c94148c301347b18eeb55271953b90a0173fd0d62bf93
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD536b7499c3cf6bd72b4be6a6d98a488f8
SHA16bbdb9b6dbf1aa376ede1e32fd9fe8ecc7ce66fd
SHA256bd5a1e7186983aa8fa3e838a76c3d89f766b827f9e4ebde120eb55c9db3583c9
SHA5129bc08ead1da52812da3e50a0ba92ca5e0f88cc81c52ea781aa8524bf60c71379905ca073719f6eb03577ca395e647988891ef05ac9ccd22afda5f8c3f41f5b89
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5521a9f55c1f8c52a163a86d3a7a0b76f
SHA1c9aad278a251ace808dba5953def1b05d686e01f
SHA256abd9cdeb7324096bc7b3970c2044b9bea1b34cce4fd5cc7594b1f7e676bd6370
SHA512bc9352b59ed6e7303af52a7a73900c96228d5a40ec5e75cd5c3e138a18d60de5dc05e4de85fd5ca9996c7a796cb85a11643b0f420d065525243fec17a87a8f9e
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Filesize
4.2MB
MD5a8ecd54b2d45b34014942cd86912b3a2
SHA1e7353349e276e72091cbd994d238cb0587062ac0
SHA256782c3160b76c4b72729b86d5821cba12d4f8fd3beaa76eaa828b92cd94796774
SHA5124f0945a7c918de995766ca4efad9b2d68dd706e2b2e01d15de1e10b79d861d70db5ea70018ee085196e1963855239d9daf662e9facfe242b6dafb85ccf6b9bb1