Analysis
-
max time kernel
150s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/05/2024, 19:28
Static task
static1
Behavioral task
behavioral1
Sample
bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe
Resource
win10v2004-20240426-en
General
-
Target
bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe
-
Size
4.1MB
-
MD5
868b7b5b1fefa3e7da673b1648d264ad
-
SHA1
09b53c6c262e338fe850b3a4c89152aabd6e16a6
-
SHA256
bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665
-
SHA512
fad332c401777afe33997dc76ec8df4fad5f5325d66019593d532fb190964b0ed94599707cbb99711e5aa542db5e825fd83e1687bc89753ae04434186c1cec4a
-
SSDEEP
98304:9wBco1salv4p8AdbboIKOJLJ1nO5Zld79mTpG:9wqoWyv4yANjKQa7og
Malware Config
Signatures
-
Glupteba payload 18 IoCs
resource yara_rule behavioral2/memory/2224-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/2224-2-0x0000000005070000-0x000000000595B000-memory.dmp family_glupteba behavioral2/memory/2224-23-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2224-52-0x0000000005070000-0x000000000595B000-memory.dmp family_glupteba behavioral2/memory/2224-50-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2224-74-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4448-73-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/4448-126-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2720-194-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2720-202-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2720-213-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2720-216-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2720-219-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2720-222-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2720-225-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2720-228-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2720-231-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba behavioral2/memory/2720-234-0x0000000000400000-0x0000000002ED5000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3060 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 2720 csrss.exe 3712 injector.exe 4980 windefender.exe 3356 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9d2-205.dat upx behavioral2/memory/4980-207-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3356-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4980-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3356-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3356-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Set value (str) \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\rss bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe File created C:\Windows\rss\csrss.exe bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1880 sc.exe -
pid Process 4768 powershell.exe 4964 powershell.exe 2404 powershell.exe 3840 powershell.exe 1632 powershell.exe 4960 powershell.exe 2304 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4456 schtasks.exe 1936 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2571 = "Turks and Caicos Daylight Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-252 = "Dateline Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-591 = "Malay Peninsula Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2892 = "Sudan Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-104 = "Central Brazilian Daylight Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\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\2a\52C64B7E\@tzres.dll,-741 = "New Zealand Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-602 = "Taipei Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1802 = "Line Islands Standard Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-532 = "Sri Lanka Standard Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.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\2a\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-122 = "SA Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-131 = "US Eastern Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-752 = "Tonga Standard Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.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\2a\52C64B7E\@tzres.dll,-401 = "Arabic Daylight Time" windefender.exe 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\C:\Windows\system32\,@tzres.dll,-2162 = "Altai Standard Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-152 = "Central America Standard Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.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,-2941 = "Sao Tome Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-341 = "Egypt 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,-3052 = "Qyzylorda Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-261 = "GMT Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-872 = "Pakistan Standard Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs 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\C:\Windows\system32\,@tzres.dll,-442 = "Arabian Standard Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1841 = "Russia TZ 4 Daylight Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1821 = "Russia TZ 1 Daylight Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2612 = "Bougainville Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1722 = "Libya Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-652 = "AUS Central Standard Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1412 = "Syria Standard Time" bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\2a\52C64B7E\@tzres.dll,-2372 = "Easter Island Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2841 = "Saratov Daylight Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4768 powershell.exe 4768 powershell.exe 2224 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 2224 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 4964 powershell.exe 4964 powershell.exe 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 2404 powershell.exe 2404 powershell.exe 3840 powershell.exe 3840 powershell.exe 1632 powershell.exe 1632 powershell.exe 4960 powershell.exe 4960 powershell.exe 2304 powershell.exe 2304 powershell.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 2720 csrss.exe 2720 csrss.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 2720 csrss.exe 2720 csrss.exe 3712 injector.exe 3712 injector.exe 2720 csrss.exe 2720 csrss.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe 3712 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4768 powershell.exe Token: SeDebugPrivilege 2224 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Token: SeImpersonatePrivilege 2224 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe Token: SeDebugPrivilege 4964 powershell.exe Token: SeDebugPrivilege 2404 powershell.exe Token: SeDebugPrivilege 3840 powershell.exe Token: SeDebugPrivilege 1632 powershell.exe Token: SeDebugPrivilege 4960 powershell.exe Token: SeDebugPrivilege 2304 powershell.exe Token: SeSystemEnvironmentPrivilege 2720 csrss.exe Token: SeSecurityPrivilege 1880 sc.exe Token: SeSecurityPrivilege 1880 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 2224 wrote to memory of 4768 2224 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 82 PID 2224 wrote to memory of 4768 2224 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 82 PID 2224 wrote to memory of 4768 2224 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 82 PID 4448 wrote to memory of 4964 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 87 PID 4448 wrote to memory of 4964 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 87 PID 4448 wrote to memory of 4964 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 87 PID 4448 wrote to memory of 2888 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 89 PID 4448 wrote to memory of 2888 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 89 PID 2888 wrote to memory of 3060 2888 cmd.exe 91 PID 2888 wrote to memory of 3060 2888 cmd.exe 91 PID 4448 wrote to memory of 2404 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 92 PID 4448 wrote to memory of 2404 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 92 PID 4448 wrote to memory of 2404 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 92 PID 4448 wrote to memory of 3840 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 94 PID 4448 wrote to memory of 3840 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 94 PID 4448 wrote to memory of 3840 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 94 PID 4448 wrote to memory of 2720 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 96 PID 4448 wrote to memory of 2720 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 96 PID 4448 wrote to memory of 2720 4448 bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe 96 PID 2720 wrote to memory of 1632 2720 csrss.exe 97 PID 2720 wrote to memory of 1632 2720 csrss.exe 97 PID 2720 wrote to memory of 1632 2720 csrss.exe 97 PID 2720 wrote to memory of 4960 2720 csrss.exe 103 PID 2720 wrote to memory of 4960 2720 csrss.exe 103 PID 2720 wrote to memory of 4960 2720 csrss.exe 103 PID 2720 wrote to memory of 2304 2720 csrss.exe 105 PID 2720 wrote to memory of 2304 2720 csrss.exe 105 PID 2720 wrote to memory of 2304 2720 csrss.exe 105 PID 2720 wrote to memory of 3712 2720 csrss.exe 107 PID 2720 wrote to memory of 3712 2720 csrss.exe 107 PID 4980 wrote to memory of 1216 4980 windefender.exe 113 PID 4980 wrote to memory of 1216 4980 windefender.exe 113 PID 4980 wrote to memory of 1216 4980 windefender.exe 113 PID 1216 wrote to memory of 1880 1216 cmd.exe 114 PID 1216 wrote to memory of 1880 1216 cmd.exe 114 PID 1216 wrote to memory of 1880 1216 cmd.exe 114 -
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\bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe"C:\Users\Admin\AppData\Local\Temp\bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4768
-
-
C:\Users\Admin\AppData\Local\Temp\bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.exe"C:\Users\Admin\AppData\Local\Temp\bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665.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:4448 -
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:4964
-
-
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:2888 -
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:3060
-
-
-
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:2404
-
-
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:3840
-
-
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:2720 -
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:1632
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1936
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:4404
-
-
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:4960
-
-
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:2304
-
-
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:3712
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:4456
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4980 -
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:1216 -
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:1880
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:3356
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
MD5b339d42ee6f558e7b42cb20ffa0c95ae
SHA1f0d687cc1c2b23aac3898237f74bcce6021eac44
SHA256b7ee6bd865407c91e114213edeaf4400f7b6f70e5ac96169da0eb814863062d1
SHA5128b62180dbe2379f074980c269868fc20bbbe8316bb51013659776f518d96562a5456686fe1fc0b709da866de250c352b62cc13d3b0b99fdff209b3123b8a5b4f
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b9a9c3b9187123ce16b5daaf95f4917a
SHA123e4edafe7a02dadbfd7c37f5213f076c91ad2e7
SHA25643f7f2cae923a3aeab1c7fc9e8bfc318612338ce3cda774109e5ef4537894457
SHA5123d8b597f25c11a5065035957188aef75923070d05cf73a75dface1dc371e357d476018124b5353cf8aadb85c74b80ae0f79d59e8b7612e4afddb8426241f5b6c
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD53061c5a7d4338ebe0d3305868d6080e7
SHA15902f4cb43748e16c17c77c15c6cc5d12c32ae3a
SHA256b5ac722f4cc0ab89cf6327542d7865a19858301005116e3a93931754b3961506
SHA512de4916a4d47a2d853367b75afcbbe4a4fb72713a3a536b72ba6fadb302538d33bfb5aa517861cfc9d1bbfd5eb59cc8f14a237a910473b394476b3c6660b7ed04
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55b5da69e062534442ca10ce4ce95a239
SHA11933c9ee9db36dc42afa87eb8b225938a355986e
SHA25679c80391455e675ba305b810eb99071cf825ac7e44a897257682aab7a9737143
SHA51259ed600e749dc8c88f30575119ccd5e82aaa947a63d4fa6c0622a0dea91cd5bb52cc9c9517d936b4e4f8497b309b9b8bf6ea4783a77e313d154cb2f01235cd39
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5988307f6a2bf34c1e112e05305ee6279
SHA191fde27dd6a86aed522d84bc1e1c7a8432e0a15d
SHA256efbf1202200af3a895c080621342676f7dc2961559f948c59c992897d0371eef
SHA512dbe27eedd10acb76efc51724792a3e7a43ecf5ffbf066480621c7871bbd983dfec1f6af96f133e4f479daf4ec69895ae3a829a798acd28a34d31f54a94134f2f
-
Filesize
4.1MB
MD5868b7b5b1fefa3e7da673b1648d264ad
SHA109b53c6c262e338fe850b3a4c89152aabd6e16a6
SHA256bc5ed230514270055dd27bcaf8dc87145a7e934976c5a1dc90b5fc6a12ed0665
SHA512fad332c401777afe33997dc76ec8df4fad5f5325d66019593d532fb190964b0ed94599707cbb99711e5aa542db5e825fd83e1687bc89753ae04434186c1cec4a
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec