Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 04:05
Static task
static1
Behavioral task
behavioral1
Sample
3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe
Resource
win10v2004-20240426-en
General
-
Target
3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe
-
Size
4.1MB
-
MD5
8024286f987116a26af559751f992473
-
SHA1
3a51b40b88b0d187426f64c572911e868e11ca4a
-
SHA256
3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4
-
SHA512
e041db2b4baa016648d6ab915bc70af8d0344e13c2cf1142540fd7628a9f738479607e40ae4935adf9296649180b0eebe2b9a337c05f3bd1c214c65a3b01eccf
-
SSDEEP
98304:uQAQcsa3GhfWYEvpb4LdECaqY+VYhFzXw/u5g9cAd9n2:uQAQcDPYxuCJe7X5ghf2
Malware Config
Signatures
-
Glupteba payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/448-2-0x00000000048D0000-0x00000000051BB000-memory.dmp family_glupteba behavioral1/memory/448-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/448-57-0x00000000048D0000-0x00000000051BB000-memory.dmp family_glupteba behavioral1/memory/448-56-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/448-54-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/5744-162-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-219-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-230-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-233-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-236-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-239-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-242-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-245-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-248-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-251-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-254-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-257-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-260-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba behavioral1/memory/1748-263-0x0000000000400000-0x0000000002733000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3412 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid process 1748 csrss.exe 3520 injector.exe 2432 windefender.exe 1752 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral1/memory/2432-224-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1752-227-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/2432-229-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1752-232-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1752-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\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 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.
Processes:
3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe -
Drops file in Windows directory 4 IoCs
Processes:
3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.execsrss.exedescription ioc process File opened for modification C:\Windows\rss 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe File created C:\Windows\rss\csrss.exe 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.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 2928 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid process 1096 powershell.exe 6000 powershell.exe 5384 powershell.exe 5124 powershell.exe 5208 powershell.exe 2416 powershell.exe 3928 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 2660 schtasks.exe 3640 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exepowershell.exepowershell.exepowershell.exepowershell.exewindefender.exepowershell.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-342 = "Egypt Standard Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-891 = "Morocco Daylight Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed 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\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2181 = "Astrakhan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2531 = "Chatham Islands Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1862 = "Russia TZ 6 Standard Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2942 = "Sao Tome Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-662 = "Cen. Australia Standard Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-214 = "Pacific Daylight Time (Mexico)" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.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,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2791 = "Novosibirsk Daylight Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\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,-172 = "Central Standard Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-361 = "GTB Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-771 = "Montevideo Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1912 = "Russia TZ 10 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2592 = "Tocantins Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-932 = "Coordinated Universal Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1971 = "Belarus Daylight Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2591 = "Tocantins Daylight Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-682 = "E. Australia Standard Time" windefender.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,-561 = "SE Asia Daylight 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)" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.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\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-12 = "Azores Standard Time" windefender.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\@tzres.dll,-2791 = "Novosibirsk Daylight 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\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-261 = "GMT Daylight Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-402 = "Arabic 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1662 = "Bahia Standard Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-492 = "India Standard Time" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exe3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exepowershell.exe3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 5124 powershell.exe 5124 powershell.exe 448 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe 448 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe 5208 powershell.exe 5208 powershell.exe 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe 2416 powershell.exe 2416 powershell.exe 3928 powershell.exe 3928 powershell.exe 1096 powershell.exe 1096 powershell.exe 6000 powershell.exe 6000 powershell.exe 5384 powershell.exe 5384 powershell.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 1748 csrss.exe 1748 csrss.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 1748 csrss.exe 1748 csrss.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 1748 csrss.exe 1748 csrss.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe 3520 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exe3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 5124 powershell.exe Token: SeDebugPrivilege 448 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Token: SeImpersonatePrivilege 448 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe Token: SeDebugPrivilege 5208 powershell.exe Token: SeDebugPrivilege 2416 powershell.exe Token: SeDebugPrivilege 3928 powershell.exe Token: SeDebugPrivilege 1096 powershell.exe Token: SeDebugPrivilege 6000 powershell.exe Token: SeDebugPrivilege 5384 powershell.exe Token: SeSystemEnvironmentPrivilege 1748 csrss.exe Token: SeSecurityPrivilege 2928 sc.exe Token: SeSecurityPrivilege 2928 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 448 wrote to memory of 5124 448 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe powershell.exe PID 448 wrote to memory of 5124 448 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe powershell.exe PID 448 wrote to memory of 5124 448 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe powershell.exe PID 5744 wrote to memory of 5208 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe powershell.exe PID 5744 wrote to memory of 5208 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe powershell.exe PID 5744 wrote to memory of 5208 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe powershell.exe PID 5744 wrote to memory of 3428 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe cmd.exe PID 5744 wrote to memory of 3428 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe cmd.exe PID 3428 wrote to memory of 3412 3428 cmd.exe netsh.exe PID 3428 wrote to memory of 3412 3428 cmd.exe netsh.exe PID 5744 wrote to memory of 2416 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe powershell.exe PID 5744 wrote to memory of 2416 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe powershell.exe PID 5744 wrote to memory of 2416 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe powershell.exe PID 5744 wrote to memory of 3928 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe powershell.exe PID 5744 wrote to memory of 3928 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe powershell.exe PID 5744 wrote to memory of 3928 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe powershell.exe PID 5744 wrote to memory of 1748 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe csrss.exe PID 5744 wrote to memory of 1748 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe csrss.exe PID 5744 wrote to memory of 1748 5744 3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe csrss.exe PID 1748 wrote to memory of 1096 1748 csrss.exe powershell.exe PID 1748 wrote to memory of 1096 1748 csrss.exe powershell.exe PID 1748 wrote to memory of 1096 1748 csrss.exe powershell.exe PID 1748 wrote to memory of 6000 1748 csrss.exe powershell.exe PID 1748 wrote to memory of 6000 1748 csrss.exe powershell.exe PID 1748 wrote to memory of 6000 1748 csrss.exe powershell.exe PID 1748 wrote to memory of 5384 1748 csrss.exe powershell.exe PID 1748 wrote to memory of 5384 1748 csrss.exe powershell.exe PID 1748 wrote to memory of 5384 1748 csrss.exe powershell.exe PID 1748 wrote to memory of 3520 1748 csrss.exe injector.exe PID 1748 wrote to memory of 3520 1748 csrss.exe injector.exe PID 2432 wrote to memory of 832 2432 windefender.exe cmd.exe PID 2432 wrote to memory of 832 2432 windefender.exe cmd.exe PID 2432 wrote to memory of 832 2432 windefender.exe cmd.exe PID 832 wrote to memory of 2928 832 cmd.exe sc.exe PID 832 wrote to memory of 2928 832 cmd.exe sc.exe PID 832 wrote to memory of 2928 832 cmd.exe sc.exe -
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\3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe"C:\Users\Admin\AppData\Local\Temp\3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5124 -
C:\Users\Admin\AppData\Local\Temp\3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.exe"C:\Users\Admin\AppData\Local\Temp\3b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4.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:5744 -
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:5208 -
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:3428 -
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:3412 -
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:2416 -
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:3928 -
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:1748 -
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:1096 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2660 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1240
-
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:6000 -
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:5384 -
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:3520 -
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3640 -
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2432 -
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:832 -
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:2928
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:1752
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
MD53eaa33e4d11c4e84df3ee9aa3b423bbd
SHA1ba4ed7a0b0f40aad50ab091fde7dfadfd9027170
SHA256b53909b029bec513db0cefc688f6f24e32558d3e0b78228f1479f67843625ab9
SHA512de31792f2a1fb4552a99d2b8ed7e42e9e139198be255321bee88fc8fcec86931295aa04818bede6f4796466527bb842599c45dd49cf70293418f1a8e233037f2
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD59977643115a573e201eecc259fc9ae5c
SHA1ef085ff9ef93d368ee3e9d5a1724fb9881150315
SHA256680f910286b4b8aba4ed9f2fa1825debcb167da01e3052026b5cd064a3efaad2
SHA5129f3ba24fb8e2a0aa05dfcf4fd15a751b4217d465d7d469474ab9396d0c3e569b7edf965522201f7c4ee360df2e7cd7880b620a71792af4d8e47ed5f3bb15a387
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD51bb669b343d2b6e7cd7c0af12a970d98
SHA14a91f8f779e77005faa9063f0554c4ca87b8c3f1
SHA256f8dc711a22975b35db339be1e07a200fa7f23547ec5c4e47acb258efb4caf0e1
SHA5129763421d03cff505ea0f9d97c5beb6d6cb703e12f803ac465011c2f9580fa92d1991c544e074bf763e004cd36ddd81b25a71fae6b34146bdc057bf7e5fadf087
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5644559f6123be8078e2d535a65763bf2
SHA10e4d7b25e36957e5c70650383f6befe998d31ef0
SHA256de911db9c8e90a75958a6d10bf64bea0b7eab67443bda9783d3814ec8b252240
SHA512a09925a10261153e07552865bb8a43e3ce977373a98e1fe297adfe6f816d60affbba1328d8362d97cb1eb00e622897cbdc0b975a2cfb18b573439fe9f40d8858
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5e9b474645c5ccb2e07ddaabe094bb070
SHA11a8fb1c95bfa198852fd4e8615b7f21906c61c11
SHA2566ecbcd7ef6ff25fd8fe870fa83a9f22d71e7bcacc635ddf92e6f23ec0d9ae549
SHA512312c703f51b59a34ade65392e8d2829c9f83a1512fb2a2a5b4db2fdae65b3f128809553293a389526a76043935e8d7feea2e5e0c4bfb0bb013a14eaf61b94cb0
-
Filesize
4.1MB
MD58024286f987116a26af559751f992473
SHA13a51b40b88b0d187426f64c572911e868e11ca4a
SHA2563b17f0818ff4eeb9ddaf4a2f63714a58df0dfe1451fda54e8ab1e165518fb7a4
SHA512e041db2b4baa016648d6ab915bc70af8d0344e13c2cf1142540fd7628a9f738479607e40ae4935adf9296649180b0eebe2b9a337c05f3bd1c214c65a3b01eccf
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec