Analysis
-
max time kernel
149s -
max time network
128s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-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 19 IoCs
Processes:
resource yara_rule behavioral2/memory/4572-2-0x00000000045D0000-0x0000000004EBB000-memory.dmp family_glupteba behavioral2/memory/4572-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4572-53-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4572-54-0x00000000045D0000-0x0000000004EBB000-memory.dmp family_glupteba behavioral2/memory/4572-51-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4268-126-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-205-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-215-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-217-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-219-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-221-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-223-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-224-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-227-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-229-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-231-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-232-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-235-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba behavioral2/memory/4964-237-0x0000000000400000-0x0000000002364000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid Process 2360 netsh.exe -
Executes dropped EXE 4 IoCs
Processes:
csrss.exeinjector.exewindefender.exewindefender.exepid Process 4964 csrss.exe 2112 injector.exe 4768 windefender.exe 884 windefender.exe -
Processes:
resource yara_rule behavioral2/files/0x000200000002a9d1-208.dat upx behavioral2/memory/4768-209-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4768-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/884-212-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/884-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/884-220-0x0000000000400000-0x00000000008DF000-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-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\S-1-5-21-3433428765-2473475212-4279855560-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
Processes:
csrss.exedescription ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
Processes:
f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exedescription ioc Process File opened (read-only) \??\VBoxMiniRdrDN f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe -
Drops file in Windows directory 4 IoCs
Processes:
f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.execsrss.exedescription ioc Process File opened for modification C:\Windows\rss f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe File created C:\Windows\rss\csrss.exe f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.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 2612 sc.exe -
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepid Process 2316 powershell.exe 4088 powershell.exe 1616 powershell.exe 1456 powershell.exe 4380 powershell.exe 1508 powershell.exe 1872 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 660 schtasks.exe 2624 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
Processes:
powershell.exewindefender.exef89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-52 = "Greenland Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-742 = "New Zealand Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1872 = "Russia TZ 7 Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-691 = "Tasmania Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-191 = "Mountain Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2841 = "Saratov Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates powershell.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 Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-541 = "Myanmar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-721 = "Central Pacific Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-362 = "GTB Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2061 = "North Korea Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-651 = "AUS Central Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2451 = "Saint Pierre Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2432 = "Cuba Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1911 = "Russia TZ 10 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-42 = "E. South America Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-461 = "Afghanistan 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates 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,-592 = "Malay Peninsula Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-382 = "South Africa Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2182 = "Astrakhan Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-932 = "Coordinated Universal Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs powershell.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\C:\Windows\system32\,@tzres.dll,-412 = "E. Africa Standard Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-731 = "Fiji Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed 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\2a\52C64B7E\@tzres.dll,-511 = "Central Asia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-272 = "Greenwich Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-511 = "Central Asia Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-364 = "Middle East Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-181 = "Mountain Daylight Time (Mexico)" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1041 = "Ulaanbaatar Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-171 = "Central Daylight Time (Mexico)" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-591 = "Malay Peninsula Daylight Time" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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,-2871 = "Magallanes Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard 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" f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exef89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exepowershell.exef89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeinjector.execsrss.exepid Process 1508 powershell.exe 1508 powershell.exe 4572 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 4572 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 1872 powershell.exe 1872 powershell.exe 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 2316 powershell.exe 2316 powershell.exe 4088 powershell.exe 4088 powershell.exe 1616 powershell.exe 1616 powershell.exe 1456 powershell.exe 1456 powershell.exe 4380 powershell.exe 4380 powershell.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 4964 csrss.exe 4964 csrss.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 4964 csrss.exe 4964 csrss.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 4964 csrss.exe 4964 csrss.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe 2112 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
powershell.exef89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.execsrss.exesc.exedescription pid Process Token: SeDebugPrivilege 1508 powershell.exe Token: SeDebugPrivilege 4572 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Token: SeImpersonatePrivilege 4572 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe Token: SeDebugPrivilege 1872 powershell.exe Token: SeDebugPrivilege 2316 powershell.exe Token: SeDebugPrivilege 4088 powershell.exe Token: SeDebugPrivilege 1616 powershell.exe Token: SeDebugPrivilege 1456 powershell.exe Token: SeDebugPrivilege 4380 powershell.exe Token: SeSystemEnvironmentPrivilege 4964 csrss.exe Token: SeSecurityPrivilege 2612 sc.exe Token: SeSecurityPrivilege 2612 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
Processes:
f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exef89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.execmd.execsrss.exewindefender.execmd.exedescription pid Process procid_target PID 4572 wrote to memory of 1508 4572 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 82 PID 4572 wrote to memory of 1508 4572 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 82 PID 4572 wrote to memory of 1508 4572 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 82 PID 4268 wrote to memory of 1872 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 87 PID 4268 wrote to memory of 1872 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 87 PID 4268 wrote to memory of 1872 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 87 PID 4268 wrote to memory of 240 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 89 PID 4268 wrote to memory of 240 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 89 PID 240 wrote to memory of 2360 240 cmd.exe 91 PID 240 wrote to memory of 2360 240 cmd.exe 91 PID 4268 wrote to memory of 2316 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 92 PID 4268 wrote to memory of 2316 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 92 PID 4268 wrote to memory of 2316 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 92 PID 4268 wrote to memory of 4088 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 94 PID 4268 wrote to memory of 4088 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 94 PID 4268 wrote to memory of 4088 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 94 PID 4268 wrote to memory of 4964 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 96 PID 4268 wrote to memory of 4964 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 96 PID 4268 wrote to memory of 4964 4268 f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1.exe 96 PID 4964 wrote to memory of 1616 4964 csrss.exe 97 PID 4964 wrote to memory of 1616 4964 csrss.exe 97 PID 4964 wrote to memory of 1616 4964 csrss.exe 97 PID 4964 wrote to memory of 1456 4964 csrss.exe 102 PID 4964 wrote to memory of 1456 4964 csrss.exe 102 PID 4964 wrote to memory of 1456 4964 csrss.exe 102 PID 4964 wrote to memory of 4380 4964 csrss.exe 105 PID 4964 wrote to memory of 4380 4964 csrss.exe 105 PID 4964 wrote to memory of 4380 4964 csrss.exe 105 PID 4964 wrote to memory of 2112 4964 csrss.exe 107 PID 4964 wrote to memory of 2112 4964 csrss.exe 107 PID 4768 wrote to memory of 3564 4768 windefender.exe 118 PID 4768 wrote to memory of 3564 4768 windefender.exe 118 PID 4768 wrote to memory of 3564 4768 windefender.exe 118 PID 3564 wrote to memory of 2612 3564 cmd.exe 119 PID 3564 wrote to memory of 2612 3564 cmd.exe 119 PID 3564 wrote to memory of 2612 3564 cmd.exe 119 -
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:4572 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1508
-
-
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:4268 -
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:1872
-
-
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:240 -
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:2360
-
-
-
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:2316
-
-
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:4088
-
-
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:4964 -
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:1616
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:660
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:260
-
-
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:1456
-
-
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:4380
-
-
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:2112
-
-
C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:2624
-
-
C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4768 -
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:3564 -
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:2612
-
-
-
-
-
-
C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:884
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
MD5d0c46cad6c0778401e21910bd6b56b70
SHA17be418951ea96326aca445b8dfe449b2bfa0dca6
SHA2569600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
SHA512057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5874b44352a0796e0d41f725243a39612
SHA1157539337c9adc85cb2eb4f5aaccaf1b347d452a
SHA256dcdbef4dd75fd5f2f94ff0882922b41bb2e17229489895d65e4cb79ba48ca28a
SHA512126f0077124a1915b43a21471b4fd55e71905d879e4a91795430b149df90dc4550422a9d00888ccfc3159111bef848c98eb6869c2fec4f3026bc303ee5c34126
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5ba5dbc29b4cb2706ab78071a5ffdf260
SHA164695bd9e4dc993ed652cf5944b8bea5de360a7c
SHA2561d03d1a4dedac0b94f42095a43d59a595f9374a8e03747070af7aec2f19b65a0
SHA512950f997ead5b7804990b84bc021dad1fcbedf272ef585d10ab3dbc09e75dbdfc219e61237d6e677b2fd6dcb9f3fccbaeabb788957f42285c03879a5d46fd6754
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD582e0b26d095580976e4ae7e9194109f2
SHA17f6d75f1f7a392c4b0bcad311f15732b92e91e85
SHA25646f3e40c80e06664222e8b8f9b215bda9d7c54efd5cc82a857608b9028a25af2
SHA51262977ccf02a58c270ebf7da69ba52d804959a78b09f93c97a5787ac10d6b1814c13dde1dc758d1337cb7e16d34a78e63fff979312ca785f6611a870bcf6c98dc
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5786ca3f67deb99f658875ab42fa0d4c4
SHA11dc6bc2a63e81deb601def2e91fa24dbb5c870b3
SHA256e489a61897e9d12fbb05c9c99dbd2d5303e93fee750853a3e5f98c1bdbc9db5a
SHA512a53adff270a90ccf7f535217ebb2bf728b67f85f2cbbb161c07ece8ed41b63619efce9ba5794a8827ae0df496e1c62a2568e7e03d68644afe34f5ffe1693ecc5
-
C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5d7ab08548f9152726bd95cc798628073
SHA153e776151e41bdbd8ad44a7dcc7f086e5180a9d1
SHA25669d5ff164e3b6cb0b3bbcdedf88828bf2b074fcd0f2d4bab71e2cdac435595a0
SHA512fffd52d809be99f1fbc46c5a67998244eeee5ce45fc47dac5bc197834245fa4d6c59205a1e53397a381e88cf8de28d1630c58a1511989f33d6bb24c85682c73b
-
Filesize
4.1MB
MD5d6f8f77bf9c9a5430aa161cbc3cb9e1b
SHA1dc1215e26f1e70655095f40c970566395efee70f
SHA256f89eb2911bd6a02d2b7e098b9e66725b0a2db8233af7e174163ce7389694f3b1
SHA51292ead4515305545d8d9545a6c7a20d346a484f8d518e7607845ae95df405369654dafb9416f7b22a7b69f1f8bb0176245a72eb276c98869c4d8ae1820a9c0577
-
Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec