Analysis
-
max time kernel
149s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 20:44
Static task
static1
Behavioral task
behavioral1
Sample
8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe
Resource
win10v2004-20240426-en
General
-
Target
8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe
-
Size
4.1MB
-
MD5
e6612aa039c40373139d622d400c5b75
-
SHA1
bcb70d721ad4a37ff658b8541b3d078fbea82a53
-
SHA256
8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835
-
SHA512
51ff449a4303079f4ccedd62fb047d3b027d184b9faab7bbb5367c1a2b31aa60e51049d3bc648577675522eecc1997eeb04f3d2bbc1ac4d1153f6c67ab05001e
-
SSDEEP
98304:b7sgfTqZm7fywQIpjGUn+cmloZHued8miXbTsPufBvNe:bzgmDywQg+foZ8mw6So
Malware Config
Signatures
-
Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/264-2-0x00000000048A0000-0x000000000518B000-memory.dmp family_glupteba behavioral1/memory/264-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/264-91-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1952-130-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/264-133-0x00000000048A0000-0x000000000518B000-memory.dmp family_glupteba behavioral1/memory/264-183-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/4744-208-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4744-216-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4744-226-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4744-229-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4744-232-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4744-235-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4744-238-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4744-241-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4744-244-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4744-247-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4744-250-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4744-253-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/4744-256-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2052 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4744 csrss.exe 1320 injector.exe 2904 windefender.exe 4524 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x00090000000234a0-219.dat upx behavioral1/memory/2904-221-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4524-223-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2904-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4524-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4524-233-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Set value (str) \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe 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 -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe -
Drops file in Windows directory 4 IoCs
Processes:
8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe File created C:\Windows\rss\csrss.exe 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.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.
Processes:
sc.exepid Process 3100 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3532 powershell.exe 3768 powershell.exe 4392 powershell.exe 2220 powershell.exe 3924 powershell.exe 4196 powershell.exe 4048 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 4480 schtasks.exe 2572 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exe8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2182 = "Astrakhan Standard Time" windefender.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\C:\Windows\system32\,@tzres.dll,-2872 = "Magallanes Standard Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.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\2a\52C64B7E\@tzres.dll,-912 = "Mauritius Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-365 = "Middle East Standard Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-104 = "Central Brazilian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2631 = "Norfolk Daylight Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-562 = "SE Asia Standard Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-431 = "Iran Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2632 = "Norfolk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2161 = "Altai Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2321 = "Sakhalin Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1831 = "Russia TZ 2 Daylight Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.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\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2771 = "Omsk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-462 = "Afghanistan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-42 = "E. South America Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight 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\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-252 = "Dateline Standard Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs 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,-682 = "E. Australia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-112 = "Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-302 = "Romance Standard Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 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\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-3051 = "Qyzylorda Daylight Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\2a\52C64B7E\@tzres.dll,-892 = "Morocco Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-751 = "Tonga Daylight Time" 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-621 = "Korea Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-732 = "Fiji Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exepowershell.exe8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 4048 powershell.exe 4048 powershell.exe 264 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 264 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 3532 powershell.exe 3532 powershell.exe 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 3768 powershell.exe 3768 powershell.exe 3768 powershell.exe 4392 powershell.exe 4392 powershell.exe 4392 powershell.exe 2220 powershell.exe 2220 powershell.exe 3924 powershell.exe 3924 powershell.exe 4196 powershell.exe 4196 powershell.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 4744 csrss.exe 4744 csrss.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 4744 csrss.exe 4744 csrss.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 4744 csrss.exe 4744 csrss.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe 1320 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 4048 powershell.exe Token: SeDebugPrivilege 264 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Token: SeImpersonatePrivilege 264 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe Token: SeDebugPrivilege 3532 powershell.exe Token: SeDebugPrivilege 3768 powershell.exe Token: SeDebugPrivilege 4392 powershell.exe Token: SeDebugPrivilege 2220 powershell.exe Token: SeDebugPrivilege 3924 powershell.exe Token: SeDebugPrivilege 4196 powershell.exe Token: SeSystemEnvironmentPrivilege 4744 csrss.exe Token: SeSecurityPrivilege 3100 sc.exe Token: SeSecurityPrivilege 3100 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 264 wrote to memory of 4048 264 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 85 PID 264 wrote to memory of 4048 264 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 85 PID 264 wrote to memory of 4048 264 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 85 PID 1952 wrote to memory of 3532 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 95 PID 1952 wrote to memory of 3532 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 95 PID 1952 wrote to memory of 3532 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 95 PID 1952 wrote to memory of 3656 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 99 PID 1952 wrote to memory of 3656 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 99 PID 3656 wrote to memory of 2052 3656 cmd.exe 101 PID 3656 wrote to memory of 2052 3656 cmd.exe 101 PID 1952 wrote to memory of 3768 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 103 PID 1952 wrote to memory of 3768 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 103 PID 1952 wrote to memory of 3768 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 103 PID 1952 wrote to memory of 4392 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 105 PID 1952 wrote to memory of 4392 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 105 PID 1952 wrote to memory of 4392 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 105 PID 1952 wrote to memory of 4744 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 108 PID 1952 wrote to memory of 4744 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 108 PID 1952 wrote to memory of 4744 1952 8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe 108 PID 4744 wrote to memory of 2220 4744 csrss.exe 109 PID 4744 wrote to memory of 2220 4744 csrss.exe 109 PID 4744 wrote to memory of 2220 4744 csrss.exe 109 PID 4744 wrote to memory of 3924 4744 csrss.exe 114 PID 4744 wrote to memory of 3924 4744 csrss.exe 114 PID 4744 wrote to memory of 3924 4744 csrss.exe 114 PID 4744 wrote to memory of 4196 4744 csrss.exe 117 PID 4744 wrote to memory of 4196 4744 csrss.exe 117 PID 4744 wrote to memory of 4196 4744 csrss.exe 117 PID 4744 wrote to memory of 1320 4744 csrss.exe 119 PID 4744 wrote to memory of 1320 4744 csrss.exe 119 PID 2904 wrote to memory of 208 2904 windefender.exe 126 PID 2904 wrote to memory of 208 2904 windefender.exe 126 PID 2904 wrote to memory of 208 2904 windefender.exe 126 PID 208 wrote to memory of 3100 208 cmd.exe 127 PID 208 wrote to memory of 3100 208 cmd.exe 127 PID 208 wrote to memory of 3100 208 cmd.exe 127 -
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\8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe"C:\Users\Admin\AppData\Local\Temp\8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:264 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4048
-
-
C:\Users\Admin\AppData\Local\Temp\8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.exe"C:\Users\Admin\AppData\Local\Temp\8645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835.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:1952 -
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:3532
-
-
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:3656 -
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:2052
-
-
-
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:3768
-
-
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:4392
-
-
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:4744 -
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:2220
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2572
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4348
-
-
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:3924
-
-
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: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:1320
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4480
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2904 -
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:208 -
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:3100
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4524
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
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59cd6e10961d1520f2da735e575178bea
SHA1aca05aaa67b220c83fbc69fc44b197e41581bab7
SHA25620cf6a58db386349d819a1ea55c89a42290342585a0a9d7800b9c6cffd786bfe
SHA512b46819ee563a84214ee447eddf32facaf0f7b7a52ca42de0473f7314c5c8373f140221667d9ca0a3b63bd53f3856d62fda2e717b86d2bb60b7518bd31e84f411
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59ee4c1896366467f1006f7f301a41df6
SHA13cab4052b34ea267d941dc0f28ec5de9b5ce4f18
SHA25622b658b6242388ce19a567a96a94e1291f497330f16f48010431d38a7e760c00
SHA512e67da77964bf46482a70147f816ee532aea0cfd120c6b72e40a53b607ae9bed6497a131dcfc369a2be794c63c9c225794860c4c73434f774e69599e3862185b7
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD520aa5b43c55c273114980f09b9a192e2
SHA1a75076b299021d6aa18682d74cfc2de1fbc9c7b8
SHA256cae508c42bb6c832322360222df5b62885abdaafdcb0ad8f2ae8a6b0c7b65a32
SHA512af9c5d9e7c0519c5a8c006e60d2707f5541770c1a128f2b6f5263752a7fe84418c83631316a9cff3af717c1c9b409bd872b13c547497c0feb02ee52206eab57b
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57d4e8da183ed47b7d97df979956edcc3
SHA13cb8ccd324d6c08898a1331605028e4290a3655f
SHA256f3c841b50d778a03cec7dd84f69c630de39c1bdd7f50ffcc195619985eaaf094
SHA512412694c4ca50fe84fa6f00ad1d68f0859b868fcf938472eb4473958e9b3251ffbcba8144eff54a11e9833c475adb5617f6ce29070a57d84aa23ffbfc1d581241
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD57e733ad78a7cebfd08a2c92c21d6ae51
SHA129d28ac5c0f26201c7476e66311fdb7e5be84a07
SHA256e6c194ab04bd6524c35e20091fe3796038f00b6e4bff6df1b0fc1dd414aeabca
SHA512e037b6d28e83a10fe6c9e953f601ad0ffec74b31374a24257a0ec15e96c1c5d208edd2d66f2b05d6c1fea3f05ac91e78ce39a3aa4979d452281bbf49d6ea86d3
-
Filesize
4.1MB
MD5e6612aa039c40373139d622d400c5b75
SHA1bcb70d721ad4a37ff658b8541b3d078fbea82a53
SHA2568645b78314010775af0bd7650d09b56ec5e0a25b51afe02ab9de5d64e50e2835
SHA51251ff449a4303079f4ccedd62fb047d3b027d184b9faab7bbb5367c1a2b31aa60e51049d3bc648577675522eecc1997eeb04f3d2bbc1ac4d1153f6c67ab05001e
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec