Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:31
Static task
static1
Behavioral task
behavioral1
Sample
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe
Resource
win10v2004-20240226-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 20 IoCs
Processes:
resource yara_rule behavioral1/memory/4620-2-0x0000000004610000-0x0000000004EFB000-memory.dmp family_glupteba behavioral1/memory/4620-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4620-22-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4620-34-0x0000000004610000-0x0000000004EFB000-memory.dmp family_glupteba behavioral1/memory/4620-51-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4620-50-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4620-59-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4620-61-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/712-123-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/712-139-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3192-194-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3192-225-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3192-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3192-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3192-236-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3192-238-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3192-241-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3192-243-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3192-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3192-247-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 4716 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 3192 csrss.exe 5316 injector.exe 2104 windefender.exe 2640 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00030000000219e9-228.dat upx behavioral1/memory/2104-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2104-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2640-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2640-239-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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 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 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:
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe -
Drops file in Windows directory 4 IoCs
Processes:
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe File created C:\Windows\rss\csrss.exe ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.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 5132 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 1868 powershell.exe 4176 powershell.exe 3888 powershell.exe 3968 powershell.exe 2692 powershell.exe 4108 powershell.exe 5756 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 5432 schtasks.exe 1580 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exepowershell.exepowershell.exewindefender.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs 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\22\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2342 = "Haiti Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1472 = "Magadan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.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\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 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\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-192 = "Mountain Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1502 = "Turkey Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-962 = "Paraguay Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1042 = "Ulaanbaatar Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-931 = "Coordinated Universal Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-142 = "Canada Central Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-792 = "SA Western Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exepowershell.exeba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4176 powershell.exe 4176 powershell.exe 4620 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 4620 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 3888 powershell.exe 3888 powershell.exe 3888 powershell.exe 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 3968 powershell.exe 3968 powershell.exe 3968 powershell.exe 2692 powershell.exe 2692 powershell.exe 2692 powershell.exe 4108 powershell.exe 4108 powershell.exe 4108 powershell.exe 5756 powershell.exe 5756 powershell.exe 5756 powershell.exe 1868 powershell.exe 1868 powershell.exe 1868 powershell.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 3192 csrss.exe 3192 csrss.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 3192 csrss.exe 3192 csrss.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 3192 csrss.exe 3192 csrss.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe 5316 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exeba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4176 powershell.exe Token: SeDebugPrivilege 4620 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Token: SeImpersonatePrivilege 4620 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe Token: SeDebugPrivilege 3888 powershell.exe Token: SeDebugPrivilege 3968 powershell.exe Token: SeDebugPrivilege 2692 powershell.exe Token: SeDebugPrivilege 4108 powershell.exe Token: SeDebugPrivilege 5756 powershell.exe Token: SeDebugPrivilege 1868 powershell.exe Token: SeSystemEnvironmentPrivilege 3192 csrss.exe Token: SeSecurityPrivilege 5132 sc.exe Token: SeSecurityPrivilege 5132 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exeba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4620 wrote to memory of 4176 4620 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 92 PID 4620 wrote to memory of 4176 4620 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 92 PID 4620 wrote to memory of 4176 4620 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 92 PID 712 wrote to memory of 3888 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 102 PID 712 wrote to memory of 3888 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 102 PID 712 wrote to memory of 3888 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 102 PID 712 wrote to memory of 2840 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 105 PID 712 wrote to memory of 2840 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 105 PID 2840 wrote to memory of 4716 2840 cmd.exe 107 PID 2840 wrote to memory of 4716 2840 cmd.exe 107 PID 712 wrote to memory of 3968 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 108 PID 712 wrote to memory of 3968 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 108 PID 712 wrote to memory of 3968 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 108 PID 712 wrote to memory of 2692 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 110 PID 712 wrote to memory of 2692 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 110 PID 712 wrote to memory of 2692 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 110 PID 712 wrote to memory of 3192 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 112 PID 712 wrote to memory of 3192 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 112 PID 712 wrote to memory of 3192 712 ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a.exe 112 PID 3192 wrote to memory of 4108 3192 csrss.exe 113 PID 3192 wrote to memory of 4108 3192 csrss.exe 113 PID 3192 wrote to memory of 4108 3192 csrss.exe 113 PID 3192 wrote to memory of 5756 3192 csrss.exe 118 PID 3192 wrote to memory of 5756 3192 csrss.exe 118 PID 3192 wrote to memory of 5756 3192 csrss.exe 118 PID 3192 wrote to memory of 1868 3192 csrss.exe 122 PID 3192 wrote to memory of 1868 3192 csrss.exe 122 PID 3192 wrote to memory of 1868 3192 csrss.exe 122 PID 3192 wrote to memory of 5316 3192 csrss.exe 124 PID 3192 wrote to memory of 5316 3192 csrss.exe 124 PID 2104 wrote to memory of 5384 2104 windefender.exe 130 PID 2104 wrote to memory of 5384 2104 windefender.exe 130 PID 2104 wrote to memory of 5384 2104 windefender.exe 130 PID 5384 wrote to memory of 5132 5384 cmd.exe 131 PID 5384 wrote to memory of 5132 5384 cmd.exe 131 PID 5384 wrote to memory of 5132 5384 cmd.exe 131 -
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:4620 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4176
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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:712 -
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:3888
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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:2840 -
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:4716
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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:3968
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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:2692
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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:3192 -
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:4108
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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:5432
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:5388
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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:5756
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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:1868
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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:5316
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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:1580
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2104 -
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:5384 -
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:5132
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3988 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:81⤵PID:4700
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2640
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
MD57bb59b4d036494a1269963631f45a1f5
SHA1764ddaf99c3f293a3684726822f0c8396dc878eb
SHA2560739bc1a01dfbd633e5971ffddce1816093d271d6605f026e9f9be24578a8657
SHA5120b7cf930de9ef1cb0e66766dff579ffb51d317f9bf1489b8237684fffe209c5099500754838691ebca43795c50da078f2398449c1ac84872ae034710a05c8ad3
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58dfd64e7a98e7740e8b90c2e33808148
SHA191d352528e0cdc459afcd34eba9b1d65cfc796f8
SHA2566d16966c565d731f93589d49e6d97b52cf142d383984747546667012fc497ce5
SHA512a567c6342eb71b0a89e3d091003c9c2fac2e70b73faf9f0203445baec38acf8856186465d0223368fdbd3283102b26accc87b4ec5ca5518079ff346a79bcfc63
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fb6066421dca589382821c8f74831fd9
SHA14ed06de0565512943c15e3173f1e9c167dea1e7c
SHA2562bf7171613e8d6f0c3c2424f4186595385cda8131dc04bec29f679723ae89219
SHA51220668e614606dad348a2bc0e1cd544ea68913ad660ac0c1c3f50798ee631a0d1410d9090cb16b5de65813a4576d9c8450f8d0bc2dabfbc71dc03056eb13d60dc
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57ae9d997b32b676067fcb8431bd03ea7
SHA1b586ef69cb83b6698aded13550f49c384919efad
SHA256de04a7cae00067cdef5b63cb45d161795e5faa60eaa78bbd5ea42e8778d349a6
SHA512c968fa528d3aef89e366af5136001936cac2df7cf2ba259e26fabeb129bb08b6f2bda07764da21fefabdf4fec0167a387bd772db2c3ba83b1b52c812866529f0
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52549821da807ffe2602da51b396d099b
SHA166ddf5f1290b5fad09aa33fed9a4f2152f2e4a3a
SHA25683828156b213ab41a8058acfc00bb9cf2e7e68b940b995e5c1de40240acf4987
SHA512d819e939133bff96284745c4135bda40fae892c72e08bc3a14196cc49711a7de154b86de9bc7a9ef30bb3dd00de8a00a11a979600a98ecdff8defad228d69b20
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Filesize
4.1MB
MD5212f2dea4e3a578972ddfe0287a97e83
SHA15208848ae1ef67df966e9356f0bfaaf8461e4b29
SHA256ba01061f12f90135d6b0b6b182fcd400e882c1494d16a7ffc3c01f662304c37a
SHA5120936f55938875fcbc4292049f9532f0d7a8d7d2e8bc3b67eaccf37f43471a2c49781a99768426bd56768585a865b4a6c44dfc344fbd858e664ca9e7d3cb7caa7
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec