Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 05:33
Static task
static1
Behavioral task
behavioral1
Sample
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe
Resource
win7-20240508-en
General
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Target
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe
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Size
4.1MB
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MD5
212f2dea4e3a578972ddfe0287a97e83
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SHA1
5208848ae1ef67df966e9356f0bfaaf8461e4b29
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SHA256
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a
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SHA512
0936f55938875fcbc4292049f9532f0d7a8d7d2e8bc3b67eaccf37f43471a2c49781a99768426bd56768585a865b4a6c44dfc344fbd858e664ca9e7d3cb7caa7
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SSDEEP
98304:NH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2o:NH+PiSfw6Rz4ejOEAZ44S5J5ww2o
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral2/memory/4520-2-0x0000000004550000-0x0000000004E3B000-memory.dmp family_glupteba behavioral2/memory/4520-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4520-57-0x0000000004550000-0x0000000004E3B000-memory.dmp family_glupteba behavioral2/memory/4520-54-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4520-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3900-137-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-220-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-222-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-225-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-227-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-228-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-230-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/3044-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 4964 netsh.exe -
Executes dropped EXE 2 IoCs
Processes:
csrss.exeinjector.exepid process 3044 csrss.exe 384 injector.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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:
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe -
Drops file in Windows directory 2 IoCs
Processes:
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exedescription ioc process File opened for modification C:\Windows\rss ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe File created C:\Windows\rss\csrss.exe ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 3012 powershell.exe 1648 powershell.exe 5064 powershell.exe 2188 powershell.exe 4860 powershell.exe 3124 powershell.exe 3880 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2916 3900 WerFault.exe ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.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 1184 schtasks.exe 4676 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exeba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process 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,-392 = "Arab Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-332 = "E. Europe Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.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,-622 = "Korea Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.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,-2611 = "Bougainville Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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,-281 = "Central Europe Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.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" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.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,-141 = "Canada Central Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 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,-1842 = "Russia TZ 4 Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\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,-2412 = "Marquesas Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs 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\Root\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.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\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1872 = "Russia TZ 7 Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.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\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs 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,-51 = "Greenland Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.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" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exepowershell.exeba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 1648 powershell.exe 1648 powershell.exe 4520 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 4520 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 5064 powershell.exe 5064 powershell.exe 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 2188 powershell.exe 2188 powershell.exe 2188 powershell.exe 4860 powershell.exe 4860 powershell.exe 4860 powershell.exe 3124 powershell.exe 3124 powershell.exe 3880 powershell.exe 3880 powershell.exe 3012 powershell.exe 3012 powershell.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 3044 csrss.exe 3044 csrss.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 3044 csrss.exe 3044 csrss.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe 384 injector.exe -
Suspicious use of AdjustPrivilegeToken 10 IoCs
Processes:
powershell.exeba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exedescription pid process Token: SeDebugPrivilege 1648 powershell.exe Token: SeDebugPrivilege 4520 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Token: SeImpersonatePrivilege 4520 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Token: SeDebugPrivilege 5064 powershell.exe Token: SeDebugPrivilege 2188 powershell.exe Token: SeDebugPrivilege 4860 powershell.exe Token: SeDebugPrivilege 3124 powershell.exe Token: SeDebugPrivilege 3880 powershell.exe Token: SeDebugPrivilege 3012 powershell.exe Token: SeSystemEnvironmentPrivilege 3044 csrss.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exeba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.execmd.execsrss.exedescription pid process target process PID 4520 wrote to memory of 1648 4520 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe powershell.exe PID 4520 wrote to memory of 1648 4520 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe powershell.exe PID 4520 wrote to memory of 1648 4520 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe powershell.exe PID 3900 wrote to memory of 5064 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe powershell.exe PID 3900 wrote to memory of 5064 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe powershell.exe PID 3900 wrote to memory of 5064 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe powershell.exe PID 3900 wrote to memory of 1460 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe cmd.exe PID 3900 wrote to memory of 1460 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe cmd.exe PID 1460 wrote to memory of 4964 1460 cmd.exe netsh.exe PID 1460 wrote to memory of 4964 1460 cmd.exe netsh.exe PID 3900 wrote to memory of 2188 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe powershell.exe PID 3900 wrote to memory of 2188 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe powershell.exe PID 3900 wrote to memory of 2188 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe powershell.exe PID 3900 wrote to memory of 4860 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe powershell.exe PID 3900 wrote to memory of 4860 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe powershell.exe PID 3900 wrote to memory of 4860 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe powershell.exe PID 3900 wrote to memory of 3044 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe csrss.exe PID 3900 wrote to memory of 3044 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe csrss.exe PID 3900 wrote to memory of 3044 3900 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe csrss.exe PID 3044 wrote to memory of 3124 3044 csrss.exe powershell.exe PID 3044 wrote to memory of 3124 3044 csrss.exe powershell.exe PID 3044 wrote to memory of 3124 3044 csrss.exe powershell.exe PID 3044 wrote to memory of 3880 3044 csrss.exe powershell.exe PID 3044 wrote to memory of 3880 3044 csrss.exe powershell.exe PID 3044 wrote to memory of 3880 3044 csrss.exe powershell.exe PID 3044 wrote to memory of 3012 3044 csrss.exe powershell.exe PID 3044 wrote to memory of 3012 3044 csrss.exe powershell.exe PID 3044 wrote to memory of 3012 3044 csrss.exe powershell.exe PID 3044 wrote to memory of 384 3044 csrss.exe injector.exe PID 3044 wrote to memory of 384 3044 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\ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe"C:\Users\Admin\AppData\Local\Temp\ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4520 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1648 -
C:\Users\Admin\AppData\Local\Temp\ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe"C:\Users\Admin\AppData\Local\Temp\ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.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:3900 -
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:5064 -
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:1460 -
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:4964 -
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:2188 -
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:4860 -
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:3044 -
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:3124 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4676 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3856
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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:3880 -
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:3012 -
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:384 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1184 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 7603⤵
- Program crash
PID:2916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3900 -ip 39001⤵PID:4072
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
MD540af206b7505b19c70f73b32fc0c4d35
SHA16d136d24492e07ee5b3378cb389f47aedc366acf
SHA2567a2538dbb31f9e9f2a0ab44f3b64301f2eb17643bb38bb1cb093ccf7ae81319a
SHA512d096c0f89fa1004d4e14e3bb01ea98ef8e0a29f54bafaac1e85393ce6c81a8b008b6767397c146be78985b450d5a4febec0e7fa364db9947dac23bb18b4476a5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c53b1a1065915591547f484fb91498c5
SHA180e89591743e88ec43170d2dc4a4c5d0a3f9db04
SHA25664ce5d158c4349169e8b6f41d0df2172352a655162e96e963133a1399c4611ce
SHA512a37a9a1ab682e67490899ecd7fa83681d866e73ac741bb1f001d1610453572ed6dd36021bda8008d4c6e7db27f6c898c59d8f97222f415408ee1595995f928b1
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD568da7d7096363c3f2d88508d15958265
SHA1d38f876201b13f8ef8b8f9e22cb07cb9922798bc
SHA256ec74ec85270b9905d5c53acc7cc1f6b200ac08780abbfd35b0665fc43e470fc3
SHA5120d3a8f9fc3b3b1a0c60c887a53ce14d69672084b41f7fea4d436710ac38f28760e4b510044c5565bd6448efb7c4ebff4f3b48065264423a0eb01dc4a12259314
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD570729892cb8bfee414bcbbd3f62037a5
SHA133fd9dd9ea5500f8934cff6c3c3383d399b94d9b
SHA2564d0a85788c609c7d28c3ed6250fa060ab5a8077be1eb5a0a834fd22474940e0f
SHA512003cbf1fba31a3ab7239cf835af9bf402b7271023fcd8458019dc3bfc6454d31d7ff3405a093688060ef666d2dc52cddfdd3093b9aef3d1a82008fc389d8eba7
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b36d225ec007bb144136e34208342b7a
SHA160860eebb30707f2639ab7f82ea3dc7cf2778d90
SHA256d4aae8801a2be8b9d0d607a568360c8b7af2e04f6fdfaa6d58ca7f30be598764
SHA512ef1321cc9f7ac168a98063ab890ca9d9ada170dce688055792c452850451aac0177f7c5a1f8ba7ab30b6baba49b98f668c6ac72de04ed048530700af6145ced3
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Filesize
4.1MB
MD5212f2dea4e3a578972ddfe0287a97e83
SHA15208848ae1ef67df966e9356f0bfaaf8461e4b29
SHA256ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a
SHA5120936f55938875fcbc4292049f9532f0d7a8d7d2e8bc3b67eaccf37f43471a2c49781a99768426bd56768585a865b4a6c44dfc344fbd858e664ca9e7d3cb7caa7