Analysis
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max time kernel
149s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
27-04-2024 22:28
Static task
static1
Behavioral task
behavioral1
Sample
3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe
Resource
win10v2004-20240426-en
General
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Target
3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe
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Size
4.2MB
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MD5
93fb5ae8685336cfd22b79d8ec5792a6
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SHA1
548fc770b4ee004d89e7eb40b19d93388741a5c8
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SHA256
3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc
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SHA512
b6f6b5db423ceefe59f8588078fe9299a2a697c39ddd52a56d6cc9db452960dd1787016b7b7f2eb2601543b0fe9378f9db93736a0688b013a3f192a30cd0d246
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SSDEEP
98304:famOmyh13YwSD+iffg9rOMOczucEEdNxQlfwo87Elwi0PG15:fTy8Jy4o9ecZxQhwo8IinPG15
Malware Config
Signatures
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Glupteba payload 18 IoCs
Processes:
resource yara_rule behavioral1/memory/1524-2-0x0000000003E20000-0x000000000470B000-memory.dmp family_glupteba behavioral1/memory/1524-3-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/1524-66-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/1524-84-0x0000000003E20000-0x000000000470B000-memory.dmp family_glupteba behavioral1/memory/644-131-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/644-136-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4336-218-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4336-227-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4336-229-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4336-234-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4336-237-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4336-239-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4336-241-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4336-246-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4336-249-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4336-251-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4336-253-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba behavioral1/memory/4336-258-0x0000000000400000-0x0000000001DFB000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3156 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 4336 csrss.exe 4760 injector.exe 4964 windefender.exe 2400 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/4964-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4964-226-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2400-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2400-235-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 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\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 File created 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:
3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe -
Drops file in Windows directory 4 IoCs
Processes:
3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.execsrss.exedescription ioc process File created C:\Windows\rss\csrss.exe 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 3068 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 1264 schtasks.exe 4608 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-449 = "Azerbaijan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-335 = "Jordan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1412 = "Syria Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-371 = "Jerusalem Daylight Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2141 = "Transbaikal Daylight Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-542 = "Myanmar Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-572 = "China Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-231 = "Hawaiian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-434 = "Georgian Daylight Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2611 = "Bougainville Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2792 = "Novosibirsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-385 = "Namibia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2942 = "Sao Tome Standard Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2891 = "Sudan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-772 = "Montevideo Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2162 = "Altai Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-91 = "Pacific SA Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1502 = "Turkey Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-391 = "Arab Daylight Time" 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exepowershell.exe3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3476 powershell.exe 3476 powershell.exe 1524 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe 1524 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe 4392 powershell.exe 4392 powershell.exe 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe 4608 powershell.exe 4608 powershell.exe 2076 powershell.exe 2076 powershell.exe 4300 powershell.exe 4300 powershell.exe 5104 powershell.exe 5104 powershell.exe 2368 powershell.exe 2368 powershell.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4336 csrss.exe 4336 csrss.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4336 csrss.exe 4336 csrss.exe 4760 injector.exe 4760 injector.exe 4336 csrss.exe 4336 csrss.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe 4760 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3476 powershell.exe Token: SeDebugPrivilege 1524 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Token: SeImpersonatePrivilege 1524 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe Token: SeDebugPrivilege 4392 powershell.exe Token: SeDebugPrivilege 4608 powershell.exe Token: SeDebugPrivilege 2076 powershell.exe Token: SeDebugPrivilege 4300 powershell.exe Token: SeDebugPrivilege 5104 powershell.exe Token: SeDebugPrivilege 2368 powershell.exe Token: SeSystemEnvironmentPrivilege 4336 csrss.exe Token: SeSecurityPrivilege 3068 sc.exe Token: SeSecurityPrivilege 3068 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 1524 wrote to memory of 3476 1524 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe powershell.exe PID 1524 wrote to memory of 3476 1524 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe powershell.exe PID 1524 wrote to memory of 3476 1524 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe powershell.exe PID 644 wrote to memory of 4392 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe powershell.exe PID 644 wrote to memory of 4392 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe powershell.exe PID 644 wrote to memory of 4392 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe powershell.exe PID 644 wrote to memory of 1852 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe cmd.exe PID 644 wrote to memory of 1852 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe cmd.exe PID 1852 wrote to memory of 3156 1852 cmd.exe netsh.exe PID 1852 wrote to memory of 3156 1852 cmd.exe netsh.exe PID 644 wrote to memory of 4608 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe powershell.exe PID 644 wrote to memory of 4608 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe powershell.exe PID 644 wrote to memory of 4608 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe powershell.exe PID 644 wrote to memory of 2076 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe powershell.exe PID 644 wrote to memory of 2076 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe powershell.exe PID 644 wrote to memory of 2076 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe powershell.exe PID 644 wrote to memory of 4336 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe csrss.exe PID 644 wrote to memory of 4336 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe csrss.exe PID 644 wrote to memory of 4336 644 3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe csrss.exe PID 4336 wrote to memory of 4300 4336 csrss.exe powershell.exe PID 4336 wrote to memory of 4300 4336 csrss.exe powershell.exe PID 4336 wrote to memory of 4300 4336 csrss.exe powershell.exe PID 4336 wrote to memory of 5104 4336 csrss.exe powershell.exe PID 4336 wrote to memory of 5104 4336 csrss.exe powershell.exe PID 4336 wrote to memory of 5104 4336 csrss.exe powershell.exe PID 4336 wrote to memory of 2368 4336 csrss.exe powershell.exe PID 4336 wrote to memory of 2368 4336 csrss.exe powershell.exe PID 4336 wrote to memory of 2368 4336 csrss.exe powershell.exe PID 4336 wrote to memory of 4760 4336 csrss.exe injector.exe PID 4336 wrote to memory of 4760 4336 csrss.exe injector.exe PID 4964 wrote to memory of 1464 4964 windefender.exe cmd.exe PID 4964 wrote to memory of 1464 4964 windefender.exe cmd.exe PID 4964 wrote to memory of 1464 4964 windefender.exe cmd.exe PID 1464 wrote to memory of 3068 1464 cmd.exe sc.exe PID 1464 wrote to memory of 3068 1464 cmd.exe sc.exe PID 1464 wrote to memory of 3068 1464 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\3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe"C:\Users\Admin\AppData\Local\Temp\3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3476
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C:\Users\Admin\AppData\Local\Temp\3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.exe"C:\Users\Admin\AppData\Local\Temp\3fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc.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:644 -
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:4392
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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:1852 -
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:3156
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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:4608
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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:2076
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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:4336 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4300
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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:1264
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3520
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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:5104
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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:2368
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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:4760
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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:4608
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4964 -
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:1464 -
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:3068
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2400
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
MD5120bc52309f56a84fdc21a879f6e435f
SHA1b3e0179d00fa898a58b08de23976fc384554eb20
SHA25654fb3b560462cba536c7333d8259570ffb9921ec747c690feff2cb73fc7714c6
SHA512ffe3f6ba570fbc78c4905c121f05e5e091455305a3a4307d1aec8a73b0af1ca5d97ee03277ca76fd9ed5b58bb09345db52df1817c08a32e9979a66206a569f1b
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD570b3acaa48d07c7323def604a17896f8
SHA10de18fd2a9bc4310bc846dac1bae8237bad2721c
SHA256a52fe565009c2b1b662188e80c32b86e577852641916a8a3a17fcdd470881735
SHA512269c935d2e5072c6bdbc09617a84fbba37134fd1392efbb828fb20e4da99bf92d90d97728f36e6b48a3f2263c65c22fca86180fc9ff1ddf9399856471e061624
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f0916485d9623a032e89019e1ca74ed1
SHA1f545601843d7f2f2e856c1ed8304d00d2f2a2299
SHA25617912f632e07b30406758ade3a13cf0c3e3192417a4b1b091277fa2856497134
SHA51288d499896a30f2ebb924c4acfe05473db7edc2e259b481cae35ad636e8c757cc1eca03df8b976df9f215fc43c5946f31e572eb79b21fa3806c18d13b88724496
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58b575c7974cff7fe88945b5334d1b176
SHA1b6a5fa34d2380e766b3e8da51822ab3238760d0a
SHA256734d570ea6c0e8b665387e3bdeb9a852e2f6b459f52a7874514fe04ae95ed58d
SHA51287e8a98fa2ab95416cd8b3764da5202b16d8f5fde2bbb0da89aaa969e1deb2539535e8fa7d8e98748d9f305e30008e90c031a10e856465964aec83639e738847
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bdbfb46c15fda13eeb70253b77a99393
SHA108ac05c7f7e15c29b1b5e2cdf59f36f996de3a75
SHA256d5dbb772e14355a969dd70e387e8fb0cacf0c513ba3e00f073a06c8290a21cb1
SHA512066f921511dc551b55e119c7172edee13366ff598d9cb5c1efe3af147d3e0fc5631907b57a0e6aab65e681b6242893e703a1aba97e70c3d8078628788bf94465
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Filesize
4.2MB
MD593fb5ae8685336cfd22b79d8ec5792a6
SHA1548fc770b4ee004d89e7eb40b19d93388741a5c8
SHA2563fe0cb3473ac1e2c1358fd008bf7e4d53008b25aedeb31d17efe3e7ea03670fc
SHA512b6f6b5db423ceefe59f8588078fe9299a2a697c39ddd52a56d6cc9db452960dd1787016b7b7f2eb2601543b0fe9378f9db93736a0688b013a3f192a30cd0d246
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec