Analysis
-
max time kernel
149s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
04/04/2024, 20:06
Static task
static1
Behavioral task
behavioral1
Sample
2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe
Resource
win10v2004-20240226-en
General
-
Target
2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe
-
Size
4.1MB
-
MD5
b422e3f683e2b0270bd9c3ff5461dbd0
-
SHA1
3d3d1b6ffaa974054c49f7e7cfc1ddd8d5d47245
-
SHA256
2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c
-
SHA512
b9e928ca9534c0f7f9b65e3c37a782daacd5e22ac9f2d132bd6d9dd4cac8a32f6ec3eab1731b5fd0aa3646ae63fcd7ba9fc65f4dd5a3f5c8014478a2afe65763
-
SSDEEP
98304:bb/DMr9zhhA/6kdXfrYp8ia1yEQL2NpP26oG9WRoP1Ku8:nwrNhhArfryXaXE2NpPVoG9WRMp8
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2020-2-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral2/memory/2020-3-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/2020-51-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/2020-53-0x0000000005270000-0x0000000005B5B000-memory.dmp family_glupteba behavioral2/memory/228-55-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/228-99-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/228-128-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/228-150-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/3676-237-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/3676-254-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/3676-257-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/3676-261-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/3676-265-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/3676-268-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/3676-272-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/3676-276-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/3676-280-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba behavioral2/memory/3676-284-0x0000000000400000-0x0000000002F40000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2700 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3676 csrss.exe 2184 injector.exe 5024 windefender.exe 2428 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a7e3-247.dat upx behavioral2/memory/5024-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2428-258-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/2428-266-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\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 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 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe -
Drops file in Windows directory 4 IoCs
description ioc Process 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 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe File created C:\Windows\rss\csrss.exe 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 560 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 4828 schtasks.exe 2264 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-741 = "New Zealand Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-92 = "Pacific SA Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-982 = "Kamchatka Standard Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-72 = "Newfoundland Standard Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-91 = "Pacific SA Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2451 = "Saint Pierre Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-32 = "Mid-Atlantic Standard Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-12 = "Azores Standard Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-211 = "Pacific Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates 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\22\52C64B7E\@tzres.dll,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-222 = "Alaskan Standard Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2492 = "Aus Central W. Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2342 = "Haiti Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.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" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2001 = "Cabo Verde Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1842 = "Russia TZ 4 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2412 = "Marquesas Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\22\52C64B7E\@tzres.dll,-2392 = "Aleutian Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-434 = "Georgian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-251 = "Dateline Daylight Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-351 = "FLE Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-112 = "Eastern Standard Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2532 = "Chatham Islands Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-672 = "AUS Eastern Standard Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1004 powershell.exe 1004 powershell.exe 2020 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 2020 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 1804 powershell.exe 1804 powershell.exe 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 2412 powershell.exe 2412 powershell.exe 2084 powershell.exe 2084 powershell.exe 3440 powershell.exe 3440 powershell.exe 4608 powershell.exe 4608 powershell.exe 4196 powershell.exe 4196 powershell.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 3676 csrss.exe 3676 csrss.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 3676 csrss.exe 3676 csrss.exe 2184 injector.exe 2184 injector.exe 3676 csrss.exe 3676 csrss.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe 2184 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 1004 powershell.exe Token: SeDebugPrivilege 2020 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Token: SeImpersonatePrivilege 2020 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe Token: SeDebugPrivilege 1804 powershell.exe Token: SeDebugPrivilege 2412 powershell.exe Token: SeDebugPrivilege 2084 powershell.exe Token: SeDebugPrivilege 3440 powershell.exe Token: SeDebugPrivilege 4608 powershell.exe Token: SeDebugPrivilege 4196 powershell.exe Token: SeSystemEnvironmentPrivilege 3676 csrss.exe Token: SeSecurityPrivilege 560 sc.exe Token: SeSecurityPrivilege 560 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2020 wrote to memory of 1004 2020 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 79 PID 2020 wrote to memory of 1004 2020 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 79 PID 2020 wrote to memory of 1004 2020 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 79 PID 228 wrote to memory of 1804 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 84 PID 228 wrote to memory of 1804 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 84 PID 228 wrote to memory of 1804 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 84 PID 228 wrote to memory of 716 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 86 PID 228 wrote to memory of 716 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 86 PID 716 wrote to memory of 2700 716 cmd.exe 88 PID 716 wrote to memory of 2700 716 cmd.exe 88 PID 228 wrote to memory of 2412 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 89 PID 228 wrote to memory of 2412 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 89 PID 228 wrote to memory of 2412 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 89 PID 228 wrote to memory of 2084 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 91 PID 228 wrote to memory of 2084 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 91 PID 228 wrote to memory of 2084 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 91 PID 228 wrote to memory of 3676 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 93 PID 228 wrote to memory of 3676 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 93 PID 228 wrote to memory of 3676 228 2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe 93 PID 3676 wrote to memory of 3440 3676 csrss.exe 94 PID 3676 wrote to memory of 3440 3676 csrss.exe 94 PID 3676 wrote to memory of 3440 3676 csrss.exe 94 PID 3676 wrote to memory of 4608 3676 csrss.exe 99 PID 3676 wrote to memory of 4608 3676 csrss.exe 99 PID 3676 wrote to memory of 4608 3676 csrss.exe 99 PID 3676 wrote to memory of 4196 3676 csrss.exe 102 PID 3676 wrote to memory of 4196 3676 csrss.exe 102 PID 3676 wrote to memory of 4196 3676 csrss.exe 102 PID 3676 wrote to memory of 2184 3676 csrss.exe 104 PID 3676 wrote to memory of 2184 3676 csrss.exe 104 PID 5024 wrote to memory of 3568 5024 windefender.exe 110 PID 5024 wrote to memory of 3568 5024 windefender.exe 110 PID 5024 wrote to memory of 3568 5024 windefender.exe 110 PID 3568 wrote to memory of 560 3568 cmd.exe 111 PID 3568 wrote to memory of 560 3568 cmd.exe 111 PID 3568 wrote to memory of 560 3568 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
-
C:\Users\Admin\AppData\Local\Temp\2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe"C:\Users\Admin\AppData\Local\Temp\2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1004
-
-
C:\Users\Admin\AppData\Local\Temp\2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.exe"C:\Users\Admin\AppData\Local\Temp\2088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c.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:228 -
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:1804
-
-
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:716 -
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:2700
-
-
-
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:2412
-
-
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:2084
-
-
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:3676 -
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:3440
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4828
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1708
-
-
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:4608
-
-
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:4196
-
-
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:2184
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2264
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5024 -
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:3568 -
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:560
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:2428
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
MD543a2e94e0b087e39cfdbf50341d65297
SHA1bb579c5193c4be139b18a9a0ee5e96ae59c2b2c3
SHA2564c364e7d24a9298545bde088795434447f6b5ec6d9cc0c90bde4f122570baad1
SHA512b6f224c0f42660656621cd985689ff2b707e10a3937fd25192a704d19a2a9e0272f16f262d25025addf80ec5186be85f72fce2191da3ddbb32b62eaa45c1877f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51e4eea19f0d2d319e6ed554e24af83f8
SHA1997c3934ef362a7135a895f9c36e9dd2252f00d2
SHA256a3af0cba06857b62ee951473664370a0c3d9e0648eae14eb0ef49d2d9d69babd
SHA512f54268af7b7090ee72f3d16f5aac0916a84d290709e8605a1285b79aa04f5a400c09d1e16514eefc447beb2c4fb20121c8a7921657aaae2ea08c6ad9b600ad9e
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50dfbe97975b8939f61125b55560874e0
SHA1b857e463f9f247e72d8d283c8ddbb03c270bdb37
SHA256be045783665db0d3f68ff013ce53c4fcf658b906ffc5b011e2bde74c9826cab2
SHA512b9e4b745e653fd378f62fa3a5ce9893d52fe94ffdb1015e211d9050f35a992e0e527e07c61b11aa945a74b1f8aca6ebb66968574f83f38e5e98beb94a8e88436
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f721cfb00f186a892a0aaa423cb39d3c
SHA12cfc5ae6f5c6f1ae17621016c3b7f2a431afabb6
SHA2568a93e2ed3e0b491df87eaf16e1b4f4b7ad2030e2e646806d334377ce6a6e41b6
SHA512af04f0eb0aaf044bf37f3b4b5aa7c91162a9b0219a68bebdbe0b7f2de714d56ae869f1aabf752b98a3c1ce1b1d3bb8ba6522afa4a35abb50a3e50088d4774ab3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57a118b6e8f048691b00d35d211ff18b8
SHA1fbbbbd5e4bbfb845eac41b2e4ad0e28b9632012e
SHA256bc59788c1ea1e3c82cdf0600cf32da5a3f70728c3379136081c370a5ca095f8e
SHA5122f1f0418604157b32ecdfd45c93b2b0110cd0e48fc6fde8d4f612148f41fd5efdbcdb5b429eb7fef49d1f67d75d8d89486cc57045383b9a15752e9adf53ed873
-
Filesize
4.1MB
MD5b422e3f683e2b0270bd9c3ff5461dbd0
SHA13d3d1b6ffaa974054c49f7e7cfc1ddd8d5d47245
SHA2562088c1ffe1c417839437dddb20f4b968fcebc2dddf9bec50c97e516473a5db1c
SHA512b9e928ca9534c0f7f9b65e3c37a782daacd5e22ac9f2d132bd6d9dd4cac8a32f6ec3eab1731b5fd0aa3646ae63fcd7ba9fc65f4dd5a3f5c8014478a2afe65763
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec