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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
22/04/2024, 13:07
Static task
static1
Behavioral task
behavioral1
Sample
64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe
Resource
win10v2004-20240412-en
General
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Target
64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe
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Size
4.2MB
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MD5
16ff0783d8f74c9f068d602c7942b9c2
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SHA1
99550ef015383cb33e08bb0b17a67d17b449d32f
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SHA256
64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e
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SHA512
ff12ff08dd21459c15773dff6319a2614f2ae6432a66f7cf76a8d61e79386ec321289d997d02348ab0d82df6eb3d479071943100b72875a09e87c077c7efcdf4
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SSDEEP
98304:VZPo3260MgOrbiCV32rtyb/NI2zMT2AL+pJdusexglISbXBQ7CZIKInI5:VVxtMbiCsrtM/NmqVpJTlxQ2aKD5
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/3936-2-0x0000000005370000-0x0000000005C5B000-memory.dmp family_glupteba behavioral2/memory/3936-3-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3936-52-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3936-54-0x0000000005370000-0x0000000005C5B000-memory.dmp family_glupteba behavioral2/memory/3640-57-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3640-70-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3640-131-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/3640-151-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2172-169-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2172-246-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2172-257-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2172-260-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2172-264-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2172-268-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2172-272-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2172-276-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2172-280-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba behavioral2/memory/2172-284-0x0000000000400000-0x0000000003009000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 756 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2172 csrss.exe 3444 injector.exe 2872 windefender.exe 3660 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d0-251.dat upx behavioral2/memory/2872-255-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3660-261-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3660-269-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\S-1-5-21-3777591257-2471171023-3629228286-1000\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 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rss\csrss.exe 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.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 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4800 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 4772 schtasks.exe 1632 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-201 = "US Mountain Daylight Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates 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\26\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.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\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-334 = "Jordan Daylight Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2512 = "Lord Howe Standard Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-621 = "Korea Daylight Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-448 = "Azerbaijan Daylight Time" windefender.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\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-751 = "Tonga Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-81 = "Atlantic Daylight Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1972 = "Belarus Standard Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-221 = "Alaskan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.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\@tzres.dll,-1721 = "Libya 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\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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,-981 = "Kamchatka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.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" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-451 = "Caucasus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-215 = "Pacific Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-542 = "Myanmar Standard Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard 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" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2511 = "Lord Howe Daylight Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-202 = "US Mountain Standard Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1652 powershell.exe 1652 powershell.exe 3936 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 3936 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 4288 powershell.exe 4288 powershell.exe 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 2636 powershell.exe 2636 powershell.exe 2504 powershell.exe 2504 powershell.exe 4304 powershell.exe 4304 powershell.exe 2056 powershell.exe 2056 powershell.exe 3992 powershell.exe 3992 powershell.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 2172 csrss.exe 2172 csrss.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 2172 csrss.exe 2172 csrss.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 2172 csrss.exe 2172 csrss.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe 3444 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1652 powershell.exe Token: SeDebugPrivilege 3936 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Token: SeImpersonatePrivilege 3936 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe Token: SeDebugPrivilege 4288 powershell.exe Token: SeDebugPrivilege 2636 powershell.exe Token: SeDebugPrivilege 2504 powershell.exe Token: SeDebugPrivilege 4304 powershell.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 3992 powershell.exe Token: SeSystemEnvironmentPrivilege 2172 csrss.exe Token: SeSecurityPrivilege 4800 sc.exe Token: SeSecurityPrivilege 4800 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 3936 wrote to memory of 1652 3936 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 79 PID 3936 wrote to memory of 1652 3936 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 79 PID 3936 wrote to memory of 1652 3936 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 79 PID 3640 wrote to memory of 4288 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 84 PID 3640 wrote to memory of 4288 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 84 PID 3640 wrote to memory of 4288 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 84 PID 3640 wrote to memory of 2876 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 86 PID 3640 wrote to memory of 2876 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 86 PID 2876 wrote to memory of 756 2876 cmd.exe 88 PID 2876 wrote to memory of 756 2876 cmd.exe 88 PID 3640 wrote to memory of 2636 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 89 PID 3640 wrote to memory of 2636 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 89 PID 3640 wrote to memory of 2636 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 89 PID 3640 wrote to memory of 2504 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 91 PID 3640 wrote to memory of 2504 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 91 PID 3640 wrote to memory of 2504 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 91 PID 3640 wrote to memory of 2172 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 93 PID 3640 wrote to memory of 2172 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 93 PID 3640 wrote to memory of 2172 3640 64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe 93 PID 2172 wrote to memory of 4304 2172 csrss.exe 94 PID 2172 wrote to memory of 4304 2172 csrss.exe 94 PID 2172 wrote to memory of 4304 2172 csrss.exe 94 PID 2172 wrote to memory of 2056 2172 csrss.exe 100 PID 2172 wrote to memory of 2056 2172 csrss.exe 100 PID 2172 wrote to memory of 2056 2172 csrss.exe 100 PID 2172 wrote to memory of 3992 2172 csrss.exe 102 PID 2172 wrote to memory of 3992 2172 csrss.exe 102 PID 2172 wrote to memory of 3992 2172 csrss.exe 102 PID 2172 wrote to memory of 3444 2172 csrss.exe 104 PID 2172 wrote to memory of 3444 2172 csrss.exe 104 PID 2872 wrote to memory of 4344 2872 windefender.exe 110 PID 2872 wrote to memory of 4344 2872 windefender.exe 110 PID 2872 wrote to memory of 4344 2872 windefender.exe 110 PID 4344 wrote to memory of 4800 4344 cmd.exe 111 PID 4344 wrote to memory of 4800 4344 cmd.exe 111 PID 4344 wrote to memory of 4800 4344 cmd.exe 111 -
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\64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe"C:\Users\Admin\AppData\Local\Temp\64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1652
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C:\Users\Admin\AppData\Local\Temp\64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.exe"C:\Users\Admin\AppData\Local\Temp\64733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e.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:3640 -
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:4288
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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:2876 -
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:756
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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:2636
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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:2504
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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:2172 -
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:4304
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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:4772
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3116
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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:2056
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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:3992
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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:3444
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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:1632
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2872 -
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:4344 -
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:4800
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3660
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5127da58347fe43d0668ea36d74aefb55
SHA19f3ee415d70009606e4ae76ab8ee8fee1e41ecbd
SHA2561c21da2734513640169e40f9e5d7da26c331c85e3daa082f464281b55e5a4609
SHA51225a0bce82cefbfc74d89a180de472956448fc7e12c350d9e242c831e8277d65551b847dad6032881234c64865e79f82c4dc4e547d0fbe9e99c2d87318d73d8a2
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5dcc0004cb8efef05be9b85461bc6a8b2
SHA1571098df9130fed07f034a6875279b2725ef39c7
SHA2562783a0cdef2211872c33e772f7e6f5635982e34adbbea69d5174731052be408f
SHA5125a18f61a4e4b2128ec8e33fab9d7a1df37231e6fb4fe2cef9591962213b3e23afb2821d482ce3fa0a3cb8c21064699a72cbc1cb59ed8b20fcea34057c76924bb
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD581117f26ae5030de80bfefd3f70b28ef
SHA17af726acc47b837500d0ad9752c7d416a0288357
SHA256d6cf3365bf30fe9201bbfcdcf7f4a4fb16c36585df5cc5520082266344865974
SHA5127658bacdba7c89c13df47d7106737fb44d16a88e8fbffc126f4f51bbdab557f0f89e61b1c0cfe476cbdde42a6b1b9fc097e3f283f3686556ac61076536ccab50
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD550c690e283a7295a507152d1f38e64cb
SHA19bd8084277d0dcf8a970462abe3b73d01aececa8
SHA2565abee36b357fc61a01887acb740696b8f18be4ee83938170802a64beb1491d32
SHA51257d79ec646bcf7ff1e5a7af6e17be3d8e9229bfe7222205792ce375cb7723d9685b78c1645bffffbd2a44d01951a58b3f91af6f8a776ac01a7871bc4152f9faf
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD542ce13320e77c8647953fe99f4494e5c
SHA136c800612c4f1c644fb8ded4df999e51696b8f11
SHA256e5fd67c94aecf3dc00e4d29f4c916223313f3a9350d5f8abc765e329017dd17b
SHA512b07a7460f84652e666d2c467b7b5432230f0b7303ad9bd98076a3951d7124c20d188f9bba2ddbd602843e5c3df91f47433e7485e6dbfacfb050435ec29678216
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Filesize
4.2MB
MD516ff0783d8f74c9f068d602c7942b9c2
SHA199550ef015383cb33e08bb0b17a67d17b449d32f
SHA25664733ad380a1b59bb046059845ad56d233e33087e310627320cae9436fc15e7e
SHA512ff12ff08dd21459c15773dff6319a2614f2ae6432a66f7cf76a8d61e79386ec321289d997d02348ab0d82df6eb3d479071943100b72875a09e87c077c7efcdf4
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec