Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 16:38
Static task
static1
Behavioral task
behavioral1
Sample
bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe
Resource
win10v2004-20240426-en
General
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Target
bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe
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Size
4.1MB
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MD5
488e2811276852ce75fe12a83f5dc1d7
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SHA1
e5869aae3438f5c311fd83556130bab1ae91c1f5
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SHA256
bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478
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SHA512
a41db33a337420f2c54ded95da6ee8086bb2ebc0feb74e8f639706fb3dde86632126e5f2f2e37e257598aef5a73f461f721d59552f12056d843e3b232be8761d
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SSDEEP
98304:JvHfbigA34ifkpJZQU0TgaIfW6UkFHwAhDtgwFW+1s:JvHfb2IifudqhIuUHwAjW+C
Malware Config
Signatures
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Glupteba payload 15 IoCs
Processes:
resource yara_rule behavioral1/memory/1856-2-0x0000000004860000-0x000000000514B000-memory.dmp family_glupteba behavioral1/memory/1856-144-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1856-146-0x0000000004860000-0x000000000514B000-memory.dmp family_glupteba behavioral1/memory/2780-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2780-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2780-237-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2780-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2780-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2780-249-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2780-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2780-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2780-261-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2780-265-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2780-269-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/2780-273-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 672 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 2780 csrss.exe 4912 injector.exe 2484 windefender.exe 468 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00080000000234a5-221.dat upx behavioral1/memory/2484-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/468-225-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2484-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/468-231-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/468-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/468-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
csrss.exebbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.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:
bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe -
Drops file in Windows directory 4 IoCs
Processes:
bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe File created C:\Windows\rss\csrss.exe bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 2760 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2992 powershell.exe 4288 powershell.exe 4984 powershell.exe 816 powershell.exe 3828 powershell.exe 512 powershell.exe 2552 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 2980 schtasks.exe 1084 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exepowershell.exepowershell.exewindefender.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,-892 = "Morocco Standard Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-381 = "South Africa Daylight Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\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,-448 = "Azerbaijan Daylight Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2061 = "North Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-251 = "Dateline Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1842 = "Russia TZ 4 Standard Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs 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\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2141 = "Transbaikal Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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,-572 = "China Standard Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1472 = "Magadan Standard Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.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,-731 = "Fiji Daylight Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs 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 Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-561 = "SE Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-692 = "Tasmania Standard Time" bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exebbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exepowershell.exebbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4288 powershell.exe 4288 powershell.exe 1856 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 1856 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 4984 powershell.exe 4984 powershell.exe 4984 powershell.exe 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 816 powershell.exe 816 powershell.exe 816 powershell.exe 3828 powershell.exe 3828 powershell.exe 3828 powershell.exe 512 powershell.exe 512 powershell.exe 2552 powershell.exe 2552 powershell.exe 2552 powershell.exe 2992 powershell.exe 2992 powershell.exe 2992 powershell.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 2780 csrss.exe 2780 csrss.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 2780 csrss.exe 2780 csrss.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 2780 csrss.exe 2780 csrss.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe 4912 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exebbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4288 powershell.exe Token: SeDebugPrivilege 1856 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Token: SeImpersonatePrivilege 1856 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe Token: SeDebugPrivilege 4984 powershell.exe Token: SeDebugPrivilege 816 powershell.exe Token: SeDebugPrivilege 3828 powershell.exe Token: SeDebugPrivilege 512 powershell.exe Token: SeDebugPrivilege 2552 powershell.exe Token: SeDebugPrivilege 2992 powershell.exe Token: SeSystemEnvironmentPrivilege 2780 csrss.exe Token: SeSecurityPrivilege 2760 sc.exe Token: SeSecurityPrivilege 2760 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exebbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1856 wrote to memory of 4288 1856 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 86 PID 1856 wrote to memory of 4288 1856 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 86 PID 1856 wrote to memory of 4288 1856 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 86 PID 3960 wrote to memory of 4984 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 96 PID 3960 wrote to memory of 4984 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 96 PID 3960 wrote to memory of 4984 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 96 PID 3960 wrote to memory of 3768 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 99 PID 3960 wrote to memory of 3768 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 99 PID 3768 wrote to memory of 672 3768 cmd.exe 101 PID 3768 wrote to memory of 672 3768 cmd.exe 101 PID 3960 wrote to memory of 816 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 104 PID 3960 wrote to memory of 816 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 104 PID 3960 wrote to memory of 816 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 104 PID 3960 wrote to memory of 3828 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 106 PID 3960 wrote to memory of 3828 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 106 PID 3960 wrote to memory of 3828 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 106 PID 3960 wrote to memory of 2780 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 108 PID 3960 wrote to memory of 2780 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 108 PID 3960 wrote to memory of 2780 3960 bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe 108 PID 2780 wrote to memory of 512 2780 csrss.exe 128 PID 2780 wrote to memory of 512 2780 csrss.exe 128 PID 2780 wrote to memory of 512 2780 csrss.exe 128 PID 2780 wrote to memory of 2552 2780 csrss.exe 115 PID 2780 wrote to memory of 2552 2780 csrss.exe 115 PID 2780 wrote to memory of 2552 2780 csrss.exe 115 PID 2780 wrote to memory of 2992 2780 csrss.exe 117 PID 2780 wrote to memory of 2992 2780 csrss.exe 117 PID 2780 wrote to memory of 2992 2780 csrss.exe 117 PID 2780 wrote to memory of 4912 2780 csrss.exe 119 PID 2780 wrote to memory of 4912 2780 csrss.exe 119 PID 2484 wrote to memory of 3772 2484 windefender.exe 125 PID 2484 wrote to memory of 3772 2484 windefender.exe 125 PID 2484 wrote to memory of 3772 2484 windefender.exe 125 PID 3772 wrote to memory of 2760 3772 cmd.exe 126 PID 3772 wrote to memory of 2760 3772 cmd.exe 126 PID 3772 wrote to memory of 2760 3772 cmd.exe 126 -
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\bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe"C:\Users\Admin\AppData\Local\Temp\bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1856 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4288
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C:\Users\Admin\AppData\Local\Temp\bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.exe"C:\Users\Admin\AppData\Local\Temp\bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478.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:3960 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4984
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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:3768 -
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:672
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:816
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3828
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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:2780 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:512
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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:1084
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1028
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2552
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2992
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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:4912
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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:2980
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2484 -
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:3772 -
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:2760
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:468
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C:\Windows\System32\sihclient.exeC:\Windows\System32\sihclient.exe /cv Vs9v7rvIwk68VsHis5TQbw.0.21⤵PID:512
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52e52d2064fda8b6c5dec40dcd4baca98
SHA1a023be4263b187922978fb081b51be572c801947
SHA2565e79845d3c8ebee1ef93aa974028c3f582eef166b2a72c6d15d2d8e51e808912
SHA51216f0f55aa144dfd5ce85ac14d064b73a8164008eb8aa8ccc80c28c33ef3c6a021f7369c4ff002881a51e27efa4cf6ec5dd8e56e7ec422fe31276594ab8644190
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58c024229125635a7511e1a6dedb4bcff
SHA1d75ac3dde040d16a4fe0c8e41f469f98fd33288b
SHA256fdd826a058454c310db8f3fa1352cfcd7ae4453730c181b18094e8f16f89d444
SHA512194001061c424106107e9f3a9748c9934690436c84f72227afa8fafa6d58624c7d577e91c542bd913d4775bc604ba03f3d576f286afc26f9793ff2e9188c1fb6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5af64ffe67f208b782c76207dbb67578a
SHA104ee8b871fb55ab29f4b24e50038131018782f40
SHA256d9ad5a6728380508f3b19f3633a3ee31a6e64464776e649b7985b65896e5735f
SHA5128f08c89bf21c04d8c64bca3d959d8a8ee1c3e5857f6377e02739719b26a69a97ad79d1d82cf5eaf09920a0e8fbfd1b99a9371626048075c2bc2df2da6763cc80
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b27cabb76b8cf8c11032a2eaa8dc0f0b
SHA15378a23a8c9997bca9fe374e44308efba1189714
SHA25659f199791305c039d758fafc27f4a0bf5938fc1d7c93b5ff1d0a6c5bd99bfaa5
SHA512ebf2928c1fc1cbc88a3da0b84169a910352a7de871310fd76cc66952732c7dbebcb1c76670e01c8de6a95fd9d819eb11eebb5400a2a763be3232a27c51b4530f
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51885edf7bb36d9bf486e176428b7087d
SHA1f66adea647e77e066c3dbcfd2132e3c5a5f55a7a
SHA2560e1fb5dc44f50251d7fa2b2ad364885367d87e79806cf90f4fa8f3c5cf45bf8a
SHA512b2e9c36dc641850e0c6166be6652d53f30eda4b9641e85f2baaa5bcb94b79655cef3b9a2402f41550eb11a6511a9aa4a291522a7584f4df3816fde6ee2b97451
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Filesize
4.1MB
MD5488e2811276852ce75fe12a83f5dc1d7
SHA1e5869aae3438f5c311fd83556130bab1ae91c1f5
SHA256bbfda674191aa9003e12b351a0e023484439c4424953dea5660950870c8e6478
SHA512a41db33a337420f2c54ded95da6ee8086bb2ebc0feb74e8f639706fb3dde86632126e5f2f2e37e257598aef5a73f461f721d59552f12056d843e3b232be8761d
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Filesize
2.1MB
MD558dba131fee9f39101ea2f15004dda98
SHA11381afe7a9b419290f322646a7da94143fba0adc
SHA2566a164bfad4b094fc1a914c2cb030f5c9533ae5b0dee623953d386068b437ee21
SHA5121e16272ad68bfb7093adedc15f3d5ebca8162878733a642704e94c326ce6fe1bdb247ef4adc40bb8b5129dd30773273b55957967673123c12a5a564c0e428ed0
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec