Analysis
-
max time kernel
157s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 11:16
Static task
static1
Behavioral task
behavioral1
Sample
f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe
Resource
win10v2004-20240226-en
General
-
Target
f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe
-
Size
4.1MB
-
MD5
d6f8f77bf9c9a5430aa161cbc3cb9e1b
-
SHA1
dc1215e26f1e70655095f40c970566395efee70f
-
SHA256
f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1
-
SHA512
92ead4515305545d8d9545a6c7a20d346a484f8d518e7607845ae95df405369654dafb9416f7b22a7b69f1f8bb0176245a72eb276c98869c4d8ae1820a9c0577
-
SSDEEP
98304:dH+PiUxpnK5pcCD6RLXH4DRMjOnEmJ5mWZ44js55cU5wvI2E:dH+PiSfw6Rz4ejOEAZ44S5J5ww2E
Malware Config
Signatures
-
Glupteba payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/1384-2-0x0000000004530000-0x0000000004E1B000-memory.dmp family_glupteba behavioral1/memory/1384-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1384-4-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1384-27-0x0000000004530000-0x0000000004E1B000-memory.dmp family_glupteba behavioral1/memory/1384-33-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1384-32-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1384-59-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/1384-62-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral1/memory/1384-61-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3732-113-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/3732-142-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4496-195-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4496-226-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4496-233-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4496-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4496-239-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4496-241-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4496-243-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4496-245-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral1/memory/4496-247-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 3116 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4496 csrss.exe 4468 injector.exe 1864 windefender.exe 4084 windefender.exe -
Processes:
resource yara_rule behavioral1/files/0x000c000000023263-229.dat upx behavioral1/memory/1864-230-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4084-234-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/1864-236-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4084-238-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral1/memory/4084-242-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.execsrss.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\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:
f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe -
Drops file in Windows directory 4 IoCs
Processes:
csrss.exef89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exedescription 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 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe File created C:\Windows\rss\csrss.exe f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid Process 640 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 3824 powershell.exe 4216 powershell.exe 4756 powershell.exe 3024 powershell.exe 1212 powershell.exe 4348 powershell.exe 2424 powershell.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target Process procid_target 2724 1384 WerFault.exe 89 2420 3732 WerFault.exe 101 -
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 324 schtasks.exe 820 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
windefender.exef89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-412 = "E. Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-262 = "GMT Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-334 = "Jordan Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2161 = "Altai Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-871 = "Pakistan Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-571 = "China Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-364 = "Middle East Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-731 = "Fiji Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-752 = "Tonga Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-441 = "Arabian Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-2321 = "Sakhalin Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-232 = "Hawaiian Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-372 = "Jerusalem Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-2411 = "Marquesas Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-212 = "Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-842 = "Argentina Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1722 = "Libya Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-651 = "AUS Central Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-232 = "Hawaiian Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1501 = "Turkey Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-202 = "US Mountain Standard Time" windefender.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-491 = "India Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-531 = "Sri Lanka Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1661 = "Bahia Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-171 = "Central Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-1411 = "Syria Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@tzres.dll,-832 = "SA Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-92 = "Pacific SA Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-122 = "SA Pacific Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-1411 = "Syria Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-291 = "Central European Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\C:\Windows\system32\,@tzres.dll,-272 = "Greenwich Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exef89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exepowershell.exef89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1212 powershell.exe 1212 powershell.exe 1384 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 1384 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 4348 powershell.exe 4348 powershell.exe 4348 powershell.exe 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 2424 powershell.exe 2424 powershell.exe 2424 powershell.exe 3824 powershell.exe 3824 powershell.exe 3824 powershell.exe 4216 powershell.exe 4216 powershell.exe 4216 powershell.exe 4756 powershell.exe 4756 powershell.exe 4756 powershell.exe 3024 powershell.exe 3024 powershell.exe 3024 powershell.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4496 csrss.exe 4496 csrss.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4496 csrss.exe 4496 csrss.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4496 csrss.exe 4496 csrss.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe 4468 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exef89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1212 powershell.exe Token: SeDebugPrivilege 1384 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Token: SeImpersonatePrivilege 1384 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Token: SeDebugPrivilege 4348 powershell.exe Token: SeDebugPrivilege 2424 powershell.exe Token: SeDebugPrivilege 3824 powershell.exe Token: SeDebugPrivilege 4216 powershell.exe Token: SeDebugPrivilege 4756 powershell.exe Token: SeDebugPrivilege 3024 powershell.exe Token: SeSystemEnvironmentPrivilege 4496 csrss.exe Token: SeSecurityPrivilege 640 sc.exe Token: SeSecurityPrivilege 640 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exef89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 1384 wrote to memory of 1212 1384 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 91 PID 1384 wrote to memory of 1212 1384 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 91 PID 1384 wrote to memory of 1212 1384 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 91 PID 3732 wrote to memory of 4348 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 105 PID 3732 wrote to memory of 4348 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 105 PID 3732 wrote to memory of 4348 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 105 PID 3732 wrote to memory of 2492 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 107 PID 3732 wrote to memory of 2492 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 107 PID 2492 wrote to memory of 3116 2492 cmd.exe 109 PID 2492 wrote to memory of 3116 2492 cmd.exe 109 PID 3732 wrote to memory of 2424 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 111 PID 3732 wrote to memory of 2424 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 111 PID 3732 wrote to memory of 2424 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 111 PID 3732 wrote to memory of 3824 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 113 PID 3732 wrote to memory of 3824 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 113 PID 3732 wrote to memory of 3824 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 113 PID 3732 wrote to memory of 4496 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 115 PID 3732 wrote to memory of 4496 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 115 PID 3732 wrote to memory of 4496 3732 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 115 PID 4496 wrote to memory of 4216 4496 csrss.exe 118 PID 4496 wrote to memory of 4216 4496 csrss.exe 118 PID 4496 wrote to memory of 4216 4496 csrss.exe 118 PID 4496 wrote to memory of 4756 4496 csrss.exe 122 PID 4496 wrote to memory of 4756 4496 csrss.exe 122 PID 4496 wrote to memory of 4756 4496 csrss.exe 122 PID 4496 wrote to memory of 3024 4496 csrss.exe 126 PID 4496 wrote to memory of 3024 4496 csrss.exe 126 PID 4496 wrote to memory of 3024 4496 csrss.exe 126 PID 4496 wrote to memory of 4468 4496 csrss.exe 128 PID 4496 wrote to memory of 4468 4496 csrss.exe 128 PID 1864 wrote to memory of 1600 1864 windefender.exe 134 PID 1864 wrote to memory of 1600 1864 windefender.exe 134 PID 1864 wrote to memory of 1600 1864 windefender.exe 134 PID 1600 wrote to memory of 640 1600 cmd.exe 135 PID 1600 wrote to memory of 640 1600 cmd.exe 135 PID 1600 wrote to memory of 640 1600 cmd.exe 135 -
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\f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe"C:\Users\Admin\AppData\Local\Temp\f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1384 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1212
-
-
C:\Users\Admin\AppData\Local\Temp\f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe"C:\Users\Admin\AppData\Local\Temp\f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.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:3732 -
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:4348
-
-
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:2492 -
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:3116
-
-
-
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:2424
-
-
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:3824
-
-
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:4496 -
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:4216
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:324
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:3392
-
-
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:4756
-
-
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:3024
-
-
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:4468
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:820
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1864 -
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:1600 -
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:640
-
-
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 8723⤵
- Program crash
PID:2420
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 7162⤵
- Program crash
PID:2724
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1384 -ip 13841⤵PID:4020
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1352 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵PID:4812
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3732 -ip 37321⤵PID:2452
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4084
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
MD5c08ab67bbb35e826978caca73b73e5d2
SHA17daa8602fa363fe17a06b2d800bd21610a4f3849
SHA25692e8473dd6e955174b5ee9946e5d746d54af3a21ca3b1c82734ca27c3e6e2d68
SHA5120983c35bfec103692840ccdbda2846d0320ed5cb0e74e7bdd0528730702322a5b2657b34893e75d7bb4cbc2f42e7cb9d4db5ad0ab343215164f2b3124f4654d2
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ae9a9dff1b9df2ac922bdba23f537d29
SHA1b15966cb017712be9dac76461152845a8bd3636a
SHA2569d22fdcbaf6176d49c1dff9748fb1d6c88587a5bf0544e8b71d6c32bff144b10
SHA51240fd9ee2d2fbdfb36bdf03df5b7a5cbf4a3bdf8b0e730205f33e3645ae36bb2e0c7c1ce53f6e076ec171ea04754bf45399b738f07d0af9def3caf453139036b6
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD577587daa309c5b6aae2ed108c25ec149
SHA1ee41e25dbafce9a34298b9eb40eb896306aedfb8
SHA2564f2025973bfa7332dca865d8ade028cddaff9bab07b454a63b88db4b64a99388
SHA51277691fafa78d10c3c74d5a1a431c4c98e89caeaa0563e47336fc0be52f10670389d554abc7c3904753329d7a22d119426dbc66b211b4218abfd86bca701565ab
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5fa1a67835cf79170dffde83c0cebd805
SHA1121f4f97eaaf92202ddf7b075b78bd5ca25cf88a
SHA256ff1a3772a3940b255d01519fbba37992f3e6a67e881225ef8c696a55c767fbc1
SHA512edb7e28c431319db17991c738a284889560d8466978ebee977ebff42b87dc32d626a68fd34768b5d30c408fb755e3970ed96fb3d61950b0c0d9d33ab16b78031
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5664c222dbae07457e0e9d02d7540acad
SHA1217e055b04600c6ae7282054db7ad98723358879
SHA2560371d83f13ddf793b4c75ad5a01808b3b201efcf5e0206ac34a890f6f338f2e7
SHA5124b2a7d1880330b2b185b173c79835a5dd6936654f1566c3783f72998a99e3fc967688324279d72b07e937a6b2c73e9a2c98c0e59bc4370967c6a53eabad9d3d9
-
Filesize
4.1MB
MD5d6f8f77bf9c9a5430aa161cbc3cb9e1b
SHA1dc1215e26f1e70655095f40c970566395efee70f
SHA256f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1
SHA51292ead4515305545d8d9545a6c7a20d346a484f8d518e7607845ae95df405369654dafb9416f7b22a7b69f1f8bb0176245a72eb276c98869c4d8ae1820a9c0577
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec