Analysis
-
max time kernel
149s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
20-04-2024 05:44
Static task
static1
Behavioral task
behavioral1
Sample
bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe
Resource
win10v2004-20240412-en
General
-
Target
bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe
-
Size
4.2MB
-
MD5
244c57389df60192dcec01a13fd1b3d3
-
SHA1
95b4e80ba74bed5e37dc99921fc0c3eb849a27ce
-
SHA256
bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d
-
SHA512
c761fada2075c396b4c898227251e13b02cd30f196f1a5f4dc6af2a880ef2497a4bc11c3aefe856ca880f2e6115795098c6738981d2aa960c4f1f0e79de40ef8
-
SSDEEP
98304:dLQYZG/dgZ86BiJBiuHE0xNIsAKMiZ9poPnhJgyiGI:9f8gKxTxapLMoPnzgf
Malware Config
Signatures
-
Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral2/memory/5040-2-0x00000000041F0000-0x0000000004ADB000-memory.dmp family_glupteba behavioral2/memory/5040-3-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5040-42-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/4856-44-0x0000000004000000-0x00000000048EB000-memory.dmp family_glupteba behavioral2/memory/4856-46-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5040-45-0x00000000041F0000-0x0000000004ADB000-memory.dmp family_glupteba behavioral2/memory/4856-144-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-237-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-243-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-252-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-254-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-256-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-258-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-260-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-262-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-264-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-266-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-268-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-270-0x0000000000400000-0x0000000001E06000-memory.dmp family_glupteba behavioral2/memory/5048-272-0x0000000000400000-0x0000000001E06000-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 5048 csrss.exe 3384 injector.exe 2524 windefender.exe 3572 windefender.exe -
Processes:
resource yara_rule C:\Windows\windefender.exe upx behavioral2/memory/2524-251-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3572-253-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3572-257-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.execsrss.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Set value (str) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\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 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 -
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:
bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exedescription ioc process File opened (read-only) \??\VBoxMiniRdrDN bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe -
Drops file in Windows directory 4 IoCs
Processes:
bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.execsrss.exedescription ioc process File opened for modification C:\Windows\rss bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe File created C:\Windows\rss\csrss.exe bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.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 3568 sc.exe -
Program crash 3 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exepid pid_target process target process 4552 3668 WerFault.exe powershell.exe 1512 5040 WerFault.exe bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 4812 4856 WerFault.exe bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.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 4700 schtasks.exe 5100 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exepowershell.exewindefender.exebd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-672 = "AUS Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1891 = "Russia TZ 3 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1971 = "Belarus Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2391 = "Aleutian Daylight Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-572 = "China Standard Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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\26\52C64B7E\@tzres.dll,-441 = "Arabian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-501 = "Nepal Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2042 = "Eastern Standard Time (Mexico)" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-732 = "Fiji Standard Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.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\26\52C64B7E\@tzres.dll,-365 = "Middle East Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-2612 = "Bougainville Standard Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust 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\26\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-502 = "Nepal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2142 = "Transbaikal Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2571 = "Turks and Caicos Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-384 = "Namibia Daylight Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs 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\26\52C64B7E\@tzres.dll,-1822 = "Russia TZ 1 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-871 = "Pakistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-742 = "New Zealand Standard Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1501 = "Turkey Daylight Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-601 = "Taipei Daylight Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.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\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-212 = "Pacific Standard Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-121 = "SA Pacific Daylight Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-372 = "Jerusalem Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-1832 = "Russia TZ 2 Standard Time" windefender.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\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-182 = "Mountain Standard Time (Mexico)" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-3141 = "South Sudan Daylight Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-2391 = "Aleutian Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@tzres.dll,-381 = "South Africa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\C:\Windows\system32\,@tzres.dll,-831 = "SA Eastern Daylight Time" bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople powershell.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exebd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exepowershell.exebd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid process 3668 powershell.exe 3668 powershell.exe 5040 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 5040 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 812 powershell.exe 812 powershell.exe 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe 2124 powershell.exe 2124 powershell.exe 4152 powershell.exe 4152 powershell.exe 2760 powershell.exe 2760 powershell.exe 3732 powershell.exe 3732 powershell.exe 2888 powershell.exe 2888 powershell.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 5048 csrss.exe 5048 csrss.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 5048 csrss.exe 5048 csrss.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 3384 injector.exe 5048 csrss.exe 5048 csrss.exe 3384 injector.exe 3384 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exebd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid process Token: SeDebugPrivilege 3668 powershell.exe Token: SeDebugPrivilege 5040 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Token: SeImpersonatePrivilege 5040 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe Token: SeDebugPrivilege 812 powershell.exe Token: SeDebugPrivilege 2124 powershell.exe Token: SeDebugPrivilege 4152 powershell.exe Token: SeDebugPrivilege 2760 powershell.exe Token: SeDebugPrivilege 3732 powershell.exe Token: SeDebugPrivilege 2888 powershell.exe Token: SeSystemEnvironmentPrivilege 5048 csrss.exe Token: SeSecurityPrivilege 3568 sc.exe Token: SeSecurityPrivilege 3568 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exebd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.execmd.execsrss.exewindefender.execmd.exedescription pid process target process PID 5040 wrote to memory of 3668 5040 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe powershell.exe PID 5040 wrote to memory of 3668 5040 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe powershell.exe PID 5040 wrote to memory of 3668 5040 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe powershell.exe PID 4856 wrote to memory of 812 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe powershell.exe PID 4856 wrote to memory of 812 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe powershell.exe PID 4856 wrote to memory of 812 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe powershell.exe PID 4856 wrote to memory of 1460 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe cmd.exe PID 4856 wrote to memory of 1460 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe cmd.exe PID 1460 wrote to memory of 3412 1460 cmd.exe netsh.exe PID 1460 wrote to memory of 3412 1460 cmd.exe netsh.exe PID 4856 wrote to memory of 2124 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe powershell.exe PID 4856 wrote to memory of 2124 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe powershell.exe PID 4856 wrote to memory of 2124 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe powershell.exe PID 4856 wrote to memory of 4152 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe powershell.exe PID 4856 wrote to memory of 4152 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe powershell.exe PID 4856 wrote to memory of 4152 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe powershell.exe PID 4856 wrote to memory of 5048 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe csrss.exe PID 4856 wrote to memory of 5048 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe csrss.exe PID 4856 wrote to memory of 5048 4856 bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe csrss.exe PID 5048 wrote to memory of 2760 5048 csrss.exe powershell.exe PID 5048 wrote to memory of 2760 5048 csrss.exe powershell.exe PID 5048 wrote to memory of 2760 5048 csrss.exe powershell.exe PID 5048 wrote to memory of 3732 5048 csrss.exe powershell.exe PID 5048 wrote to memory of 3732 5048 csrss.exe powershell.exe PID 5048 wrote to memory of 3732 5048 csrss.exe powershell.exe PID 5048 wrote to memory of 2888 5048 csrss.exe powershell.exe PID 5048 wrote to memory of 2888 5048 csrss.exe powershell.exe PID 5048 wrote to memory of 2888 5048 csrss.exe powershell.exe PID 5048 wrote to memory of 3384 5048 csrss.exe injector.exe PID 5048 wrote to memory of 3384 5048 csrss.exe injector.exe PID 2524 wrote to memory of 4068 2524 windefender.exe cmd.exe PID 2524 wrote to memory of 4068 2524 windefender.exe cmd.exe PID 2524 wrote to memory of 4068 2524 windefender.exe cmd.exe PID 4068 wrote to memory of 3568 4068 cmd.exe sc.exe PID 4068 wrote to memory of 3568 4068 cmd.exe sc.exe PID 4068 wrote to memory of 3568 4068 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\bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe"C:\Users\Admin\AppData\Local\Temp\bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3668 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 21883⤵
- Program crash
PID:4552
-
-
-
C:\Users\Admin\AppData\Local\Temp\bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.exe"C:\Users\Admin\AppData\Local\Temp\bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d.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:4856 -
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:812
-
-
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:1460 -
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
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2124
-
-
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:4152
-
-
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:5048 -
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:2760
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:5100
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:604
-
-
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:3732
-
-
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:2888
-
-
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:3384
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4700
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2524 -
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:4068 -
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:3568
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4856 -s 7883⤵
- Program crash
PID:4812
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 10002⤵
- Program crash
PID:1512
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3668 -ip 36681⤵PID:2784
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 5040 -ip 50401⤵PID:2304
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4856 -ip 48561⤵PID:2228
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3572
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
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD58ce7dd4597cc2ae3ae7731338128f755
SHA13bd8d3f7eec87f0f0e04435cdc07b6c206482366
SHA25620f910bfb6e02e713acb8da070b3d49a52cd13930e95f07a662f5dfadbbd6bf9
SHA512f2daa1a125c4cff40e0985bb8f268e7857fd1a95b16fb8ec1a8374e3e44c3d5aea5c3b176a8fb2efdce59241a18c48af25be5462459e29e2044d85591a264421
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD50c0ad97606276454190356268eaab82b
SHA1c6b33d10c2ae3c763f6a4931b97200f868c35ca8
SHA2562da6be0c71bfc31ed22684cc25c501bfb6bc4d2774dad9abcff24e7801511a80
SHA5126d5d10f68c3586cf929cdd4f2cc0dcff02da2992c87a822da3bb6b091f8d32b90659b72c13f0e9743ace136f183d8c9b3fe912327f8d0f157ce33921b5666d7c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5bc862e600d790df0974161e66e1a966a
SHA172e40d2606777e44fb08e842088782c3fbbf6cbb
SHA25600461d1a24c3c89ea1e6968e05533d5c05340bf925580b9d6c37bccf68a70c00
SHA512c2ea95c4394e4c059a16570224b146a0d0f2fbd967b29dafb7fc07ce20132101226cb3aeef707d00a4fdf7db1ac9cc896adb87834b984b2efb5e42d6646a7619
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5372115c7b1cd25902fbf6287c45fb826
SHA1683a8f2163dafe3bea93ea6069a889a38ffa6689
SHA2561ecffc04f638ae81efb7f4d9b6d04b3a1eb7a4086b0a1ad9aae369ecae0e5b6b
SHA512c35c56862223876c74536e490b3604e1d9b2ad1be47233b664e1bad0287f369a2ee4f77205e7e2a75c6ac1d2bb443979df1b254ac2c401bc37aea9ac0908bdb5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b45d03f4ddd1b5be3c7bccd8be34739a
SHA1abfc30722965c9f57f908428f9bb239418e663d6
SHA256b7ec13db4ac6fc0a73993ca8f25d052c60ab414da76ff696ae65c93e689ad4d6
SHA51279b574a20da05f9d11ba4f385c8a4de39bcfd08bef3f593a701c9a58c5b3769c1b79e099a9bfa74db29fedaf7de9a7decdb98b92cdfb29edf7c80579daec19d6
-
Filesize
4.2MB
MD5244c57389df60192dcec01a13fd1b3d3
SHA195b4e80ba74bed5e37dc99921fc0c3eb849a27ce
SHA256bd9f77442d101186eb671e22f8870adb61df1b5ded0e0a9130282a8c0df9930d
SHA512c761fada2075c396b4c898227251e13b02cd30f196f1a5f4dc6af2a880ef2497a4bc11c3aefe856ca880f2e6115795098c6738981d2aa960c4f1f0e79de40ef8
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec