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Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
08/06/2023, 15:58
Static task
static1
General
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Target
735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe
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Size
4.2MB
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MD5
cb30c23090963cd03e027b465a6f1ea0
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SHA1
4060b19017bd8fdbd7da8c4db8fd69113c5cdaff
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SHA256
735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b
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SHA512
3f0fd666d4ed506f2a9bcdfa6210cb666811207997266700cf74532f801a2af08916711a92580f6464ad0bcebf7f79f5ba7d389a9dcb4e202d3274c0dd202d4d
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SSDEEP
98304:aDcEtUUijxIxK72LbKEdY4LtLHxmL1FX1kFiy/Et2gq:agyUUil/7dEOG83k4iEtdq
Malware Config
Signatures
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Glupteba payload 17 IoCs
resource yara_rule behavioral1/memory/3148-137-0x0000000005290000-0x0000000005B7B000-memory.dmp family_glupteba behavioral1/memory/3148-160-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4880-185-0x00000000051C0000-0x0000000005AAB000-memory.dmp family_glupteba behavioral1/memory/3148-186-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4880-210-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4880-242-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4880-286-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4248-314-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4248-356-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4248-370-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4248-374-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4248-378-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4248-382-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4248-386-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4248-390-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4248-394-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba behavioral1/memory/4248-398-0x0000000000400000-0x00000000030D4000-memory.dmp family_glupteba -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2752 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 4248 csrss.exe 2064 injector.exe 3640 windefender.exe 4788 windefender.exe -
resource yara_rule behavioral1/files/0x000200000002312b-366.dat upx behavioral1/files/0x000200000002312b-367.dat upx behavioral1/files/0x000200000002312b-368.dat upx behavioral1/memory/3640-369-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4788-371-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4788-383-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/files/0x000200000002312c-403.dat upx behavioral1/memory/3296-404-0x0000000000400000-0x0000000000C25000-memory.dmp upx behavioral1/files/0x000200000002312c-405.dat upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\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.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description 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.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe File created C:\Windows\rss\csrss.exe 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe File created C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2272 sc.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4900 schtasks.exe 3660 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-392 = "Arab Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates 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\1e\52C64B7E\@tzres.dll,-1471 = "Magadan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-411 = "E. Africa Daylight Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2941 = "Sao Tome Daylight Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2842 = "Saratov Standard Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\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\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-161 = "Central Daylight Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-432 = "Iran Standard Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-531 = "Sri Lanka Daylight Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.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\1e\52C64B7E\@tzres.dll,-1932 = "Russia TZ 11 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-2062 = "North Korea Standard Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-791 = "SA Western Daylight Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.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\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-402 = "Arabic Standard Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-105 = "Central Brazilian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-872 = "Pakistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\1e\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-71 = "Newfoundland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-435 = "Georgian Standard Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates 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\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E\@tzres.dll,-2452 = "Saint Pierre Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4864 powershell.exe 4864 powershell.exe 3148 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 3148 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 4656 powershell.exe 4656 powershell.exe 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 4528 powershell.exe 4528 powershell.exe 4824 powershell.exe 4824 powershell.exe 3752 powershell.exe 3752 powershell.exe 4408 powershell.exe 4408 powershell.exe 2668 powershell.exe 2668 powershell.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 4248 csrss.exe 4248 csrss.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 4248 csrss.exe 4248 csrss.exe 2064 injector.exe 2064 injector.exe 4248 csrss.exe 4248 csrss.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe 2064 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4864 powershell.exe Token: SeDebugPrivilege 3148 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Token: SeImpersonatePrivilege 3148 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe Token: SeDebugPrivilege 4656 powershell.exe Token: SeDebugPrivilege 4528 powershell.exe Token: SeDebugPrivilege 4824 powershell.exe Token: SeDebugPrivilege 3752 powershell.exe Token: SeDebugPrivilege 4408 powershell.exe Token: SeDebugPrivilege 2668 powershell.exe Token: SeSystemEnvironmentPrivilege 4248 csrss.exe Token: SeSecurityPrivilege 2272 sc.exe Token: SeSecurityPrivilege 2272 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3148 wrote to memory of 4864 3148 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 84 PID 3148 wrote to memory of 4864 3148 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 84 PID 3148 wrote to memory of 4864 3148 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 84 PID 4880 wrote to memory of 4656 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 94 PID 4880 wrote to memory of 4656 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 94 PID 4880 wrote to memory of 4656 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 94 PID 4880 wrote to memory of 1500 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 97 PID 4880 wrote to memory of 1500 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 97 PID 1500 wrote to memory of 2752 1500 cmd.exe 99 PID 1500 wrote to memory of 2752 1500 cmd.exe 99 PID 4880 wrote to memory of 4528 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 100 PID 4880 wrote to memory of 4528 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 100 PID 4880 wrote to memory of 4528 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 100 PID 4880 wrote to memory of 4824 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 102 PID 4880 wrote to memory of 4824 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 102 PID 4880 wrote to memory of 4824 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 102 PID 4880 wrote to memory of 4248 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 104 PID 4880 wrote to memory of 4248 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 104 PID 4880 wrote to memory of 4248 4880 735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe 104 PID 4248 wrote to memory of 3752 4248 csrss.exe 105 PID 4248 wrote to memory of 3752 4248 csrss.exe 105 PID 4248 wrote to memory of 3752 4248 csrss.exe 105 PID 4248 wrote to memory of 4408 4248 csrss.exe 110 PID 4248 wrote to memory of 4408 4248 csrss.exe 110 PID 4248 wrote to memory of 4408 4248 csrss.exe 110 PID 4248 wrote to memory of 2668 4248 csrss.exe 113 PID 4248 wrote to memory of 2668 4248 csrss.exe 113 PID 4248 wrote to memory of 2668 4248 csrss.exe 113 PID 4248 wrote to memory of 2064 4248 csrss.exe 115 PID 4248 wrote to memory of 2064 4248 csrss.exe 115 PID 3640 wrote to memory of 384 3640 windefender.exe 121 PID 3640 wrote to memory of 384 3640 windefender.exe 121 PID 3640 wrote to memory of 384 3640 windefender.exe 121 PID 384 wrote to memory of 2272 384 cmd.exe 122 PID 384 wrote to memory of 2272 384 cmd.exe 122 PID 384 wrote to memory of 2272 384 cmd.exe 122 -
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\735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe"C:\Users\Admin\AppData\Local\Temp\735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3148 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4864
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C:\Users\Admin\AppData\Local\Temp\735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.exe"C:\Users\Admin\AppData\Local\Temp\735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b.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:4880 -
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:4656
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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:1500 -
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:2752
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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:4528
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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:4824
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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:4248 -
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:3752
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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:3660
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:764
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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:4408
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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:2668
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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:2064
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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:4900
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3640 -
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:384 -
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:2272
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C:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exeC:\Users\Admin\AppData\Local\Temp\csrss\f801950a962ddba14caaa44bf084b55c.exe4⤵PID:3296
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4788
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
3.2MB
MD5f801950a962ddba14caaa44bf084b55c
SHA17cadc9076121297428442785536ba0df2d4ae996
SHA256c3946ec89e15b24b743c46f9acacb58cff47da63f3ce2799d71ed90496b8891f
SHA5124183bc76bdc84fb779e2e573d9a63d7de47096b63b945f9e335bee95ae28eb208f5ee15f6501ac59623b97c5b77f3455ca313512e7d9803e1704ae22a52459c5
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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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
MD56d71d3f0ae0076f99af19f8f60f5a0a9
SHA1acebf1e43647d20d20819c75aadfbf7023ae5922
SHA256b9945e33115758e5ee0aca0858178948586bb05d51123121ec2e3e0d5d5137e9
SHA5127dc2def48f9fe7858f3e3b3907582f34d6df3f6c7c120a278346b290ad64d50243733b1c2d0f2e65a3c2981e00e94c34f4aacd1e15c6c34cacebf946a0152c90
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5939f781893bdfd43154867343874db1e
SHA16e81c0a70d31c118668d151915dd24fac5d0c0c7
SHA256db39736811b310882c8654c4a184331544529c469418488a518d87971bc4810e
SHA5121e1e8f14bbb61446c087bec1fc14a720c8d3b0c4ae2f74e231880a1941c05e26ad86305e9091fdef0946cc3083e22541e3f9ce42375a89b7e95f130320a53be9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52fc93aab0161a2758c953fb81a5ee250
SHA1829f1e31c035a6a4b07edb2d57488fff7b6210fc
SHA256f19dcc15140a13452c22aa2620897139d0b300d8d10adb3d06a7d72d03930585
SHA512ff203127ddcceb4e4dc46ba77f8fa1b405a452ec40ecaba090f8ed21320b55e55f95d418b2878e629090ad3fba6aceec78897c05ca1c80cc8feaef1b5cceed21
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5834fd36310ead8d44ab71fd809845958
SHA19a4d9b62c52403de414b798be17e02366aacdb0c
SHA256a5a08d24dd5c2240124894f426c3fcd578a0823687c79ef0f36ec6dd7fcface9
SHA5127dd9abd90550bbfd239386e1efb9f73d02d0dd97b55cffcb5e73d50358f94883f68cb2cbd21ab5ac743b0aa0033fdeb07ea53823fbdefb19f56952f780f760be
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5291792836c95c0480b1f65f94dd0b9c1
SHA1e141a6e4fd1f66b81a3d32cb319b4b5c0ddc26db
SHA2566774f2dc96faefa8b589cd558c1aa60b27b66ee8464a75634ba1d828566f30cf
SHA51230807da7d8333881308992ba10f98975c78b965a64d5045dcfc217cc5aa73f24ca5f1db2bf6c67fa71e00110b01b1ae37f8739bb1a1a993301c9897db02da1d1
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Filesize
4.2MB
MD5cb30c23090963cd03e027b465a6f1ea0
SHA14060b19017bd8fdbd7da8c4db8fd69113c5cdaff
SHA256735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b
SHA5123f0fd666d4ed506f2a9bcdfa6210cb666811207997266700cf74532f801a2af08916711a92580f6464ad0bcebf7f79f5ba7d389a9dcb4e202d3274c0dd202d4d
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Filesize
4.2MB
MD5cb30c23090963cd03e027b465a6f1ea0
SHA14060b19017bd8fdbd7da8c4db8fd69113c5cdaff
SHA256735bd3bc6bf5a8255420abf4e52b4b461c0f5b6052e14b1d4460d79788ce5c4b
SHA5123f0fd666d4ed506f2a9bcdfa6210cb666811207997266700cf74532f801a2af08916711a92580f6464ad0bcebf7f79f5ba7d389a9dcb4e202d3274c0dd202d4d
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec