Analysis
-
max time kernel
149s -
max time network
126s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
19-05-2024 14:05
Static task
static1
Behavioral task
behavioral1
Sample
e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe
Resource
win10v2004-20240226-en
General
-
Target
e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe
-
Size
4.1MB
-
MD5
9271f27d459a388501d418c6da6d8ffc
-
SHA1
e69d59b17c6319d7bbb8f1a8132a2420e25f66a4
-
SHA256
e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f
-
SHA512
ebff58106392894ea69a2947c6e9bbecb0a1768e3bf842ee12253ebd53f3b37af7f7c730ee5d433a2ee31e0654bb4eac3181cbb4ccb3c3ec4dca8b571f3b87ba
-
SSDEEP
98304:QuOdAWE/bfbxbxBimum48oJjLrUZhWcgWy75MTps2CObMUZCzBS4:QuOpIddBi3V8Ojm7gWylM939C1
Malware Config
Signatures
-
Glupteba payload 20 IoCs
resource yara_rule behavioral2/memory/2964-2-0x0000000004910000-0x00000000051FB000-memory.dmp family_glupteba behavioral2/memory/2964-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2964-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2964-54-0x0000000004910000-0x00000000051FB000-memory.dmp family_glupteba behavioral2/memory/2964-51-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/796-122-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/796-205-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-206-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-216-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-219-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-222-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-225-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-228-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-231-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-234-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-237-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-240-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-243-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-246-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba behavioral2/memory/3972-249-0x0000000000400000-0x000000000273B000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4860 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3972 csrss.exe 3936 injector.exe 4940 windefender.exe 4736 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d2-209.dat upx behavioral2/memory/4940-210-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4736-213-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4940-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4736-217-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4736-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\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.
-
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 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe File created C:\Windows\rss\csrss.exe e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.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 4508 sc.exe -
pid Process 4208 powershell.exe 4536 powershell.exe 2492 powershell.exe 576 powershell.exe 1656 powershell.exe 3884 powershell.exe 5068 powershell.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 3032 schtasks.exe 3748 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-432 = "Iran Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-792 = "SA Western Standard Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.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\2a\52C64B7E\@tzres.dll,-662 = "Cen. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-41 = "E. South America Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-141 = "Canada Central Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2591 = "Tocantins Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2752 = "Tomsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-622 = "Korea Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2002 = "Cabo Verde Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-601 = "Taipei Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-631 = "Tokyo Daylight Time" windefender.exe 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,-31 = "Mid-Atlantic Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-721 = "Central Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1862 = "Russia TZ 6 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-172 = "Central Standard Time (Mexico)" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.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,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1912 = "Russia TZ 10 Standard Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-52 = "Greenland Standard Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.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,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-3142 = "South Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.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\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-652 = "AUS Central Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople 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\2a\52C64B7E\@tzres.dll,-982 = "Kamchatka Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4208 powershell.exe 4208 powershell.exe 2964 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 2964 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 4536 powershell.exe 4536 powershell.exe 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 2492 powershell.exe 2492 powershell.exe 576 powershell.exe 576 powershell.exe 1656 powershell.exe 1656 powershell.exe 3884 powershell.exe 3884 powershell.exe 5068 powershell.exe 5068 powershell.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3972 csrss.exe 3972 csrss.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3972 csrss.exe 3972 csrss.exe 3936 injector.exe 3936 injector.exe 3972 csrss.exe 3972 csrss.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe 3936 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4208 powershell.exe Token: SeDebugPrivilege 2964 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Token: SeImpersonatePrivilege 2964 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe Token: SeDebugPrivilege 4536 powershell.exe Token: SeDebugPrivilege 2492 powershell.exe Token: SeDebugPrivilege 576 powershell.exe Token: SeDebugPrivilege 1656 powershell.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeDebugPrivilege 5068 powershell.exe Token: SeSystemEnvironmentPrivilege 3972 csrss.exe Token: SeSecurityPrivilege 4508 sc.exe Token: SeSecurityPrivilege 4508 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2964 wrote to memory of 4208 2964 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 82 PID 2964 wrote to memory of 4208 2964 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 82 PID 2964 wrote to memory of 4208 2964 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 82 PID 796 wrote to memory of 4536 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 87 PID 796 wrote to memory of 4536 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 87 PID 796 wrote to memory of 4536 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 87 PID 796 wrote to memory of 1872 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 89 PID 796 wrote to memory of 1872 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 89 PID 1872 wrote to memory of 4860 1872 cmd.exe 91 PID 1872 wrote to memory of 4860 1872 cmd.exe 91 PID 796 wrote to memory of 2492 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 92 PID 796 wrote to memory of 2492 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 92 PID 796 wrote to memory of 2492 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 92 PID 796 wrote to memory of 576 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 94 PID 796 wrote to memory of 576 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 94 PID 796 wrote to memory of 576 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 94 PID 796 wrote to memory of 3972 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 96 PID 796 wrote to memory of 3972 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 96 PID 796 wrote to memory of 3972 796 e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe 96 PID 3972 wrote to memory of 1656 3972 csrss.exe 97 PID 3972 wrote to memory of 1656 3972 csrss.exe 97 PID 3972 wrote to memory of 1656 3972 csrss.exe 97 PID 3972 wrote to memory of 3884 3972 csrss.exe 102 PID 3972 wrote to memory of 3884 3972 csrss.exe 102 PID 3972 wrote to memory of 3884 3972 csrss.exe 102 PID 3972 wrote to memory of 5068 3972 csrss.exe 105 PID 3972 wrote to memory of 5068 3972 csrss.exe 105 PID 3972 wrote to memory of 5068 3972 csrss.exe 105 PID 3972 wrote to memory of 3936 3972 csrss.exe 107 PID 3972 wrote to memory of 3936 3972 csrss.exe 107 PID 4940 wrote to memory of 5040 4940 windefender.exe 116 PID 4940 wrote to memory of 5040 4940 windefender.exe 116 PID 4940 wrote to memory of 5040 4940 windefender.exe 116 PID 5040 wrote to memory of 4508 5040 cmd.exe 117 PID 5040 wrote to memory of 4508 5040 cmd.exe 117 PID 5040 wrote to memory of 4508 5040 cmd.exe 117 -
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
-
C:\Users\Admin\AppData\Local\Temp\e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe"C:\Users\Admin\AppData\Local\Temp\e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4208
-
-
C:\Users\Admin\AppData\Local\Temp\e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.exe"C:\Users\Admin\AppData\Local\Temp\e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f.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:796 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4536
-
-
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:1872 -
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:4860
-
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2492
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:576
-
-
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:3972 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1656
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3032
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4028
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3884
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5068
-
-
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:3936
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3748
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4940 -
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:5040 -
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:4508
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4736
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
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ac5366a86dac66360f8fb8a60fc1c594
SHA10449b9ff6e39074ff727a42b860941793b778789
SHA25683f5cf2b4a74b0c0d9b99a268e63a8a85591d9f96b21c84cd6e08b751ab1ad96
SHA512a11e3704b229af7ad998cdeb429441ffe5ab6c7be6c18ec297440146a27c629d04629931c9cef4d57372b3297ac5f0965564f64995cf74b0354b8286d1aacb7a
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55fc4505c9a0da157300bb9db36055b23
SHA1a4f450fc566c919f95805f6753e55cbf8d500539
SHA256b61d15aa5701654e444c4593b26914d37d99ff6d24890f5d136285a36c7d5691
SHA512e11183123eedddfdd67c87cdf058c2075c3df0d8e939bc816fe821a5355229ee7b25565f93b54debda5485b20fcfbd3b84f2ae4c8ae5f99f1f2715e9e983ce73
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD558cf8cc2c58d4a02ca6b46445086139a
SHA1bbad00dceff3433ea71b684209874299961d0fe2
SHA2560181f39c60f15ee5b5f08b68b795567089fbbdcf747e8ecd828bb089da67651b
SHA512fbf53b87f177db52444f5837aab8118be689288ce2d741a989fc6fd6acff2e4c2ac8f1e8d9ebeabbf98087cabe4c8c43371d9f97d68622f6a45166d69fc5b937
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5c4e3a19940b6c254be8040e9504e2a22
SHA1fc79136ea867316a4af4f6ee04773ad5bd3c93be
SHA256183346746aeb001351847af3cf3beb6d85deb36188d62de95e1999674a525dfd
SHA51201b246a0f7098897c6e73b5e73583ce955f545a5f86e4bd7d9f1e12571b1635657cb65bd36598a0704e1814283efa231e94abfdc69b93dc7d532408b27d2e60e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD52631817db0e9083eee57ec068621d168
SHA1bb274015009dc34aaffa314b2d6a56b21f3e91cc
SHA2569da130ba2ee11db0deb9b46c115a256a41faa28ec5a1e9ff55a2b8f0a7a5b46a
SHA512b378e9bf6db903684e5e4e371376192cf0f6b3c81b04aadc81d93dc25be37fc99dd944d35279bdd8527ce1c698fe0a13fb78d5857b2366c7de18c8b066cda51e
-
Filesize
4.1MB
MD59271f27d459a388501d418c6da6d8ffc
SHA1e69d59b17c6319d7bbb8f1a8132a2420e25f66a4
SHA256e7d6f55ea8716900b4f6d307e3da0650ff3387e18b4cfa2a37b70041b697ad8f
SHA512ebff58106392894ea69a2947c6e9bbecb0a1768e3bf842ee12253ebd53f3b37af7f7c730ee5d433a2ee31e0654bb4eac3181cbb4ccb3c3ec4dca8b571f3b87ba
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec