Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
19-04-2024 10:07
Static task
static1
Behavioral task
behavioral1
Sample
fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe
Resource
win10v2004-20240412-en
General
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Target
fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe
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Size
4.2MB
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MD5
0dba727de29b4c81a6256d3fe8917831
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SHA1
4e48b11a91225cd6f91e11b4ad9c972c4cabd070
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SHA256
fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202
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SHA512
5bf3a3d11c63b8f6bcc77decb0ded5ade62db902ecc0b433e6b7df0f8e72d9b25c8849f79edaee0d9bbb2956f5327265f59533d42178c831f7fddae39b62d079
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SSDEEP
98304:ZkCzxGX67jziInOwT+p9cyq2eBMnsC4wev2TDFlm5IHuXjJ:LAXIiaT+p9uBMsCfecmJ1
Malware Config
Signatures
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Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/2444-2-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral1/memory/2444-3-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3628-57-0x0000000005190000-0x0000000005A7B000-memory.dmp family_glupteba behavioral1/memory/3628-58-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/2444-71-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3628-157-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-256-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-267-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-270-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-274-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-278-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-283-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-287-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-291-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-295-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-299-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-303-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-307-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba behavioral1/memory/3940-311-0x0000000000400000-0x000000000310F000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 1908 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 3940 csrss.exe 4848 injector.exe 4748 windefender.exe 3868 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4748-265-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3868-271-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/3868-279-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\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:
fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe -
Drops file in Windows directory 4 IoCs
Processes:
fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.execsrss.exedescription ioc process File opened for modification C:\Windows\rss fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe File created C:\Windows\rss\csrss.exe fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.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 512 sc.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 4200 schtasks.exe 1928 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exefe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1802 = "Line Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-291 = "Central European Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-462 = "Afghanistan Standard Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\26\52C64B7E\@tzres.dll,-362 = "GTB Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2142 = "Transbaikal Standard Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-361 = "GTB Daylight Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2431 = "Cuba Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2791 = "Novosibirsk Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\26\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-682 = "E. Australia Standard Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2341 = "Haiti Daylight Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-722 = "Central Pacific Standard Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-71 = "Newfoundland Daylight Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.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\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-961 = "Paraguay Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exefe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exepowershell.exefe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3900 powershell.exe 3900 powershell.exe 2444 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe 2444 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe 3644 powershell.exe 3644 powershell.exe 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe 624 powershell.exe 624 powershell.exe 4356 powershell.exe 4356 powershell.exe 4408 powershell.exe 4408 powershell.exe 2912 powershell.exe 2912 powershell.exe 4248 powershell.exe 4248 powershell.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 3940 csrss.exe 3940 csrss.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 3940 csrss.exe 3940 csrss.exe 4848 injector.exe 4848 injector.exe 3940 csrss.exe 3940 csrss.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe 4848 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exefe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3900 powershell.exe Token: SeDebugPrivilege 2444 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Token: SeImpersonatePrivilege 2444 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe Token: SeDebugPrivilege 3644 powershell.exe Token: SeDebugPrivilege 624 powershell.exe Token: SeDebugPrivilege 4356 powershell.exe Token: SeDebugPrivilege 4408 powershell.exe Token: SeDebugPrivilege 2912 powershell.exe Token: SeDebugPrivilege 4248 powershell.exe Token: SeSystemEnvironmentPrivilege 3940 csrss.exe Token: SeSecurityPrivilege 512 sc.exe Token: SeSecurityPrivilege 512 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exefe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 2444 wrote to memory of 3900 2444 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe powershell.exe PID 2444 wrote to memory of 3900 2444 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe powershell.exe PID 2444 wrote to memory of 3900 2444 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe powershell.exe PID 3628 wrote to memory of 3644 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe powershell.exe PID 3628 wrote to memory of 3644 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe powershell.exe PID 3628 wrote to memory of 3644 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe powershell.exe PID 3628 wrote to memory of 1156 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe cmd.exe PID 3628 wrote to memory of 1156 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe cmd.exe PID 1156 wrote to memory of 1908 1156 cmd.exe netsh.exe PID 1156 wrote to memory of 1908 1156 cmd.exe netsh.exe PID 3628 wrote to memory of 624 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe powershell.exe PID 3628 wrote to memory of 624 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe powershell.exe PID 3628 wrote to memory of 624 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe powershell.exe PID 3628 wrote to memory of 4356 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe powershell.exe PID 3628 wrote to memory of 4356 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe powershell.exe PID 3628 wrote to memory of 4356 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe powershell.exe PID 3628 wrote to memory of 3940 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe csrss.exe PID 3628 wrote to memory of 3940 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe csrss.exe PID 3628 wrote to memory of 3940 3628 fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe csrss.exe PID 3940 wrote to memory of 4408 3940 csrss.exe powershell.exe PID 3940 wrote to memory of 4408 3940 csrss.exe powershell.exe PID 3940 wrote to memory of 4408 3940 csrss.exe powershell.exe PID 3940 wrote to memory of 2912 3940 csrss.exe powershell.exe PID 3940 wrote to memory of 2912 3940 csrss.exe powershell.exe PID 3940 wrote to memory of 2912 3940 csrss.exe powershell.exe PID 3940 wrote to memory of 4248 3940 csrss.exe powershell.exe PID 3940 wrote to memory of 4248 3940 csrss.exe powershell.exe PID 3940 wrote to memory of 4248 3940 csrss.exe powershell.exe PID 3940 wrote to memory of 4848 3940 csrss.exe injector.exe PID 3940 wrote to memory of 4848 3940 csrss.exe injector.exe PID 4748 wrote to memory of 396 4748 windefender.exe cmd.exe PID 4748 wrote to memory of 396 4748 windefender.exe cmd.exe PID 4748 wrote to memory of 396 4748 windefender.exe cmd.exe PID 396 wrote to memory of 512 396 cmd.exe sc.exe PID 396 wrote to memory of 512 396 cmd.exe sc.exe PID 396 wrote to memory of 512 396 cmd.exe sc.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\fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe"C:\Users\Admin\AppData\Local\Temp\fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3900
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C:\Users\Admin\AppData\Local\Temp\fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.exe"C:\Users\Admin\AppData\Local\Temp\fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202.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:3628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3644
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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:1156 -
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:1908
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:624
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4356
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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:3940 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4408
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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:4200
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4784
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2912
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4248
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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:4848
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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:1928
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4748 -
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:396 -
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:512
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3868
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD53d086a433708053f9bf9523e1d87a4e8
SHA1b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA2566f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
SHA512931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD537d082b3b805d76a7075fdda9fde82ff
SHA18c39d653e4facf6b8683188dc49555c2e1dfc344
SHA2568f50bbe6872ec1250b150523ef4af76f9d40dc2ddc8b620fe5c384c509d13bea
SHA512fe51ba406b9c8f1b70555b1ccb544c9d3606e82a414433a2d88ebb01ce3a388242f65774a92770c1a6d98c6ef4882a2d56c76f93cb9c27a908ecb314c18ea68c
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ae27b52541e2179092122ed7960f1d31
SHA1b44f66c15fc382e018a481dca87cd3b6331349e5
SHA25688bce5941d67f1cdb73d3721a1bc0c12ba12260eb6747f6271cddeaf5b93c19f
SHA512626035bd616c1564ae28f5f75ffd64ae2c67f99ec0a430385a89991ed2cf818659f5cced8b193209664bb35e013b2285ad0c17d3d1978287c96df27c4baa294e
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5752259acae53e0423ec42614d9ade42c
SHA100db705a8e262f9888f02dd7b37c69c17f32e062
SHA2566b9d1edbf95ed0f2f0c4088d07e7313694405874542e8c3d31cb858e248de6ae
SHA51295138068bdb8d54cd80814bf19e118424fd642b5130a522e80dcfcd13d15e78003823711dbb00ca9f983314d1f1636de4735abe79841fb0a6d75d276db16e193
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e4347bb2a56289d552cb716ec2da4829
SHA1f3c67c5b80b5272f52e506a78ca507e1668ed3a7
SHA256428f6ccbec429a12ab20ad65632d947286dc6b29bb462034ce97989de09f25b8
SHA512554d6d552fbb8d8e04f8539cdaeebb108e51ab61a4ce2ca2201374a6ff2191e812027b51f4dc2b545af23d5366f363db8b4da8679f6d7eb1c774059d064aaae5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52d19d7f69495d23b20b99d0cc11c79b5
SHA1e9873e3543e06a2a820cdaf7f54daa1f159ef7a6
SHA256d5de0a582aa5c8d300aedded2a8d513a1936fc8fd0815967adbcb89e9ffd2230
SHA512adaf2878734ecc35d7175ba5734444e41c52b893946f2b504f40ba42a2fb10f08ce2c36f557102946a54f976755a8ca6abe0ea7671a6b945f74cef60c2ceb838
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Filesize
4.2MB
MD50dba727de29b4c81a6256d3fe8917831
SHA14e48b11a91225cd6f91e11b4ad9c972c4cabd070
SHA256fe296b9d3e97a7b27522752d9408e2dfe3d62842eb4faf9a120622c4583ba202
SHA5125bf3a3d11c63b8f6bcc77decb0ded5ade62db902ecc0b433e6b7df0f8e72d9b25c8849f79edaee0d9bbb2956f5327265f59533d42178c831f7fddae39b62d079
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec