Analysis
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max time kernel
150s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240214-en -
resource tags
arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/04/2024, 09:51
Static task
static1
Behavioral task
behavioral1
Sample
7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe
Resource
win10v2004-20240226-en
General
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Target
7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe
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Size
4.2MB
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MD5
ceccdf5045d4e09c91f251bb338b79f4
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SHA1
d06846f1b113ef1b56f37b4a872403f7246b0ea2
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SHA256
7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3
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SHA512
d46905319ea6a97b28f49c094b1190620bd33def364eb29205f8db653e68a5f362e59ce3000af86fe5e41a70fa6cce0eb5d12703a68c66e053fc33545abc1b7e
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SSDEEP
98304:qQEkrfipuKsR5tIuSFDUaHG2GWMhCjDjLc6XMTN2E2:q4uIanlM+DHtcToE2
Malware Config
Signatures
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Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2000-2-0x0000000003010000-0x00000000038FB000-memory.dmp family_glupteba behavioral2/memory/2000-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2000-50-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1560-53-0x0000000002F60000-0x000000000384B000-memory.dmp family_glupteba behavioral2/memory/1560-54-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1560-130-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/1560-148-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2196-223-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2196-248-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2196-255-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2196-258-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2196-261-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2196-264-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2196-267-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2196-270-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2196-273-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2196-276-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2196-279-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4916 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2196 csrss.exe 2964 injector.exe 2768 windefender.exe 4916 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a750-247.dat upx behavioral2/memory/2768-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4916-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4916-263-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.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 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 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 -
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 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe File created C:\Windows\rss\csrss.exe 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4072 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 2776 schtasks.exe 4656 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1822 = "Russia TZ 1 Standard Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-281 = "Central Europe Daylight Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-335 = "Jordan Standard Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-501 = "Nepal Daylight Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-631 = "Tokyo Daylight Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2491 = "Aus Central W. Daylight Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-411 = "E. Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2001 = "Cabo Verde Daylight Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2431 = "Cuba Daylight Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2372 = "Easter Island Standard Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-31 = "Mid-Atlantic Daylight Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-81 = "Atlantic Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2772 = "Omsk Standard Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-151 = "Central America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-541 = "Myanmar Daylight Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2752 = "Tomsk Standard Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\22\52C64B7E\@tzres.dll,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1861 = "Russia TZ 6 Daylight Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates 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\ProxyBypass = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2432 = "Cuba Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-51 = "Greenland Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-271 = "Greenwich Daylight Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-282 = "Central Europe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1624 powershell.exe 1624 powershell.exe 2000 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 2000 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 1784 powershell.exe 1784 powershell.exe 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 3392 powershell.exe 3392 powershell.exe 5044 powershell.exe 5044 powershell.exe 3468 powershell.exe 3468 powershell.exe 4652 powershell.exe 4652 powershell.exe 660 powershell.exe 660 powershell.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2196 csrss.exe 2196 csrss.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2196 csrss.exe 2196 csrss.exe 2964 injector.exe 2964 injector.exe 2196 csrss.exe 2196 csrss.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe 2964 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1624 powershell.exe Token: SeDebugPrivilege 2000 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Token: SeImpersonatePrivilege 2000 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe Token: SeDebugPrivilege 1784 powershell.exe Token: SeDebugPrivilege 3392 powershell.exe Token: SeDebugPrivilege 5044 powershell.exe Token: SeDebugPrivilege 3468 powershell.exe Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 660 powershell.exe Token: SeSystemEnvironmentPrivilege 2196 csrss.exe Token: SeSecurityPrivilege 4072 sc.exe Token: SeSecurityPrivilege 4072 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2000 wrote to memory of 1624 2000 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 77 PID 2000 wrote to memory of 1624 2000 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 77 PID 2000 wrote to memory of 1624 2000 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 77 PID 1560 wrote to memory of 1784 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 82 PID 1560 wrote to memory of 1784 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 82 PID 1560 wrote to memory of 1784 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 82 PID 1560 wrote to memory of 3564 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 84 PID 1560 wrote to memory of 3564 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 84 PID 3564 wrote to memory of 4916 3564 cmd.exe 86 PID 3564 wrote to memory of 4916 3564 cmd.exe 86 PID 1560 wrote to memory of 3392 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 87 PID 1560 wrote to memory of 3392 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 87 PID 1560 wrote to memory of 3392 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 87 PID 1560 wrote to memory of 5044 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 89 PID 1560 wrote to memory of 5044 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 89 PID 1560 wrote to memory of 5044 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 89 PID 1560 wrote to memory of 2196 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 91 PID 1560 wrote to memory of 2196 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 91 PID 1560 wrote to memory of 2196 1560 7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe 91 PID 2196 wrote to memory of 3468 2196 csrss.exe 92 PID 2196 wrote to memory of 3468 2196 csrss.exe 92 PID 2196 wrote to memory of 3468 2196 csrss.exe 92 PID 2196 wrote to memory of 4652 2196 csrss.exe 98 PID 2196 wrote to memory of 4652 2196 csrss.exe 98 PID 2196 wrote to memory of 4652 2196 csrss.exe 98 PID 2196 wrote to memory of 660 2196 csrss.exe 100 PID 2196 wrote to memory of 660 2196 csrss.exe 100 PID 2196 wrote to memory of 660 2196 csrss.exe 100 PID 2196 wrote to memory of 2964 2196 csrss.exe 102 PID 2196 wrote to memory of 2964 2196 csrss.exe 102 PID 2768 wrote to memory of 412 2768 windefender.exe 108 PID 2768 wrote to memory of 412 2768 windefender.exe 108 PID 2768 wrote to memory of 412 2768 windefender.exe 108 PID 412 wrote to memory of 4072 412 cmd.exe 109 PID 412 wrote to memory of 4072 412 cmd.exe 109 PID 412 wrote to memory of 4072 412 cmd.exe 109 -
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\7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe"C:\Users\Admin\AppData\Local\Temp\7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1624
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C:\Users\Admin\AppData\Local\Temp\7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.exe"C:\Users\Admin\AppData\Local\Temp\7c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3.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:1560 -
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:1784
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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:3564 -
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:4916
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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:3392
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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:5044
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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:2196 -
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:3468
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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:2776
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4940
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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:4652
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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:660
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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:2964
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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:4656
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2768 -
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:412 -
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:4072
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4916
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
MD57f36a26611078a77cfeceb1e1a3f2de0
SHA11dee47e2190bf9fca851ce389bee98f95865025a
SHA2567347423665f16366d1d8963e9b6041502ef3c412abfa5c1a0cfb38c8109448f4
SHA5121f6e6f94fbd078923fc96db1fd73c21a034a0a8be18a90cb757ecb5640fa8773b25ede76cd31be0109d70e491a1efc578b4e0940f0bce71d2f0e7f7887df3a99
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c2b1175b77bee7a29ef05a737d8cf963
SHA12504a40b093d38e956ac8a117620c81b86ed6bf4
SHA25649309065e5c3a95176ab99d06a898567586269fa1b3e4e7abd5859ae9ba41371
SHA5124890ab689ff79ab2be7d2949d3b5b7ff63b535a62dee63249039bda4359b6c0c9cd9985a159af4d0348bb4b6ffb8bf554d95706d2b558c6b7dc7ee614eb4ad92
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5689fddb222b9f8ed52899ee7e22dbb57
SHA100fffacf0c4e93b851bae48976cf4617c4551418
SHA256b277ec6c2efd86cc079001f2b5204962e58544af926dbf78fe63cebe08858cec
SHA5124cfb4c334ecd45ea0fe946b755cdaacaa99a260878aa1f6306c00862b94caa4526448ce7fcbe2b1c541f709c8d1f2d6c150d74a2b637bbaaaacbe346da9e8771
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e6d675f6a73b0c2d7b64a7fff2a03f9a
SHA1b9896e185a9fdde7e4e6f2e07acfe3f7b0899904
SHA2564e3afdaba2fe91416724f1172361c2eaaf52711bc5b5c9d60268a9ab9fc7d2ab
SHA5121884664b92501c277072331c20d77fce69cab9e52dc7fbaddac80a632223ae531fd7329a4722fe704238c6ad371ea17a01ae9522a5dc3f764db1f151076a29aa
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD507378fd3d3f6cc49f6b51ebc1601620c
SHA11270829adfee7f07d0311b51cb03a89fb8cd15ce
SHA25692fea639e26f7ba605d6a88bc35d76ebf1a55ced91f4f1118aa2093310a2b3af
SHA512086ffb6abf594c98d91e92ca725646fa0678887a29a35c043650a9a9caeb1c964f8388eece98245642029e6de321160dfbf9b084c3f035bb366dbdfa47d9fab8
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Filesize
4.2MB
MD5ceccdf5045d4e09c91f251bb338b79f4
SHA1d06846f1b113ef1b56f37b4a872403f7246b0ea2
SHA2567c8a7d2f4e3dd6c0a1d7053939fbe6bc7e52deefe68c7909e0de84cfad05f4b3
SHA512d46905319ea6a97b28f49c094b1190620bd33def364eb29205f8db653e68a5f362e59ce3000af86fe5e41a70fa6cce0eb5d12703a68c66e053fc33545abc1b7e
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec