| File name: | lsass.exe |
| Full analysis: | https://app.any.run/tasks/931a0c6d-32e7-45f2-bb8b-a8c516a0eae6 |
| Verdict: | Malicious activity |
| Analysis date: | April 09, 2018, 13:38:58 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (console) Intel 80386, for MS Windows |
| MD5: | 8D086AE7326FFD3F67C8C57A977260A3 |
| SHA1: | 2BA2C7C1FC76922E67A3102D96A5B665B48675B2 |
| SHA256: | 68C89EBB314923A3CA89E41DA20F364C7CA87FB367895D1A43C5187A072E4F93 |
| SSDEEP: | 768:n9xw1zC6psic64eGGcuLcAev9Xi3OyBIG7gGbb/M:ns1m6GG3e4TBEGbb/M |
MALICIOUS
Changes the autorun value in the registry
- reg.exe (PID: 3160)
Loads the Task Scheduler COM API
- schtasks.exe (PID: 3112)
- schtasks.exe (PID: 3216)
Executes PowerShell scripts
- cmd.exe (PID: 2736)
Writes to a start menu file
- cscript.exe (PID: 1848)
Uses Task Scheduler to run other applications
- powershell.exe (PID: 2040)
- cmd.exe (PID: 3172)
SUSPICIOUS
Starts CMD.EXE for commands execution
- lsass.exe (PID: 3188)
- Isass.exe (PID: 836)
- Isass.exe (PID: 2416)
Creates files in the program directory
- lsass.exe (PID: 3188)
- cmd.exe (PID: 3396)
Uses REG.EXE to modify Windows registry
- cmd.exe (PID: 276)
Executes scripts
- cmd.exe (PID: 1780)
Creates files in the user directory
- cscript.exe (PID: 1848)
Starts itself from another location
- lsass.exe (PID: 3188)
Uses TASKKILL.EXE to kill process
- cmd.exe (PID: 2592)
INFO
Loads the .NET runtime environment
- powershell.exe (PID: 2040)
Dropped object may contain URL's
- lsass.exe (PID: 3188)
- cmd.exe (PID: 3396)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2017:05:25 22:25:53+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 14.1 |
| CodeSize: | 21504 |
| InitializedDataSize: | 18432 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x53aa |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows command line |
| FileVersionNumber: | 10.0.15063.0 |
| ProductVersionNumber: | 10.0.15063.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | ® Microsoft Corporation. All rights reserved. |
| FileDescription: | Windows Security Processor |
| FileVersion: | 10.0.15063.0 |
| InternalName: | Microsoft® Windows® Operating System |
| LegalCopyright: | ® Microsoft Corporation. All rights reserved. |
| OriginalFileName: | lsass.exe |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 10.0.15063.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_CUI |
| Compilation Date: | 25-May-2017 20:25:53 |
| Detected languages: |
|
| Debug artifacts: |
|
| CompanyName: | ® Microsoft Corporation. All rights reserved. |
| FileDescription: | Windows Security Processor |
| FileVersion: | 10.0.15063.0 |
| InternalName: | Microsoft® Windows® Operating System |
| LegalCopyright: | ® Microsoft Corporation. All rights reserved. |
| OriginalFilename: | lsass.exe |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 10.0.15063.0 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000108 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 25-May-2017 20:25:53 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x00005335 | 0x00005400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.32742 |
.rdata | 0x00007000 | 0x00003208 | 0x00003400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.93121 |
.data | 0x0000B000 | 0x000005A4 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 2.84989 |
.rsrc | 0x0000C000 | 0x000005E8 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.04753 |
.reloc | 0x0000D000 | 0x000006D8 | 0x00000800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.11567 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.91161 | 381 | UNKNOWN | English - United States | RT_MANIFEST |
Imports
ADVAPI32.dll |
KERNEL32.dll |
MSVCP140.dll |
SHELL32.dll |
VCRUNTIME140.dll |
WINHTTP.dll |
api-ms-win-crt-filesystem-l1-1-0.dll |
api-ms-win-crt-heap-l1-1-0.dll |
api-ms-win-crt-locale-l1-1-0.dll |
api-ms-win-crt-math-l1-1-0.dll |
Total processes
61
Monitored processes
23
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 276 | C:\Windows\system32\cmd.exe /c REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "Local Security Authority Process" /t REG_SZ /F /D "C:\ProgramData\MicrosoftCorporation\Windows\SystemData\Isass.exe" | C:\Windows\system32\cmd.exe | — | lsass.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 836 | "C:\ProgramData\MicrosoftCorporation\Windows\SystemData\Isass.exe" | C:\ProgramData\MicrosoftCorporation\Windows\SystemData\Isass.exe | — | lsass.exe | |||||||||||
User: admin Company: ® Microsoft Corporation. All rights reserved. Integrity Level: MEDIUM Description: Windows Security Processor Exit code: 0 Version: 10.0.15063.0 Modules
| |||||||||||||||
| 1688 | C:\Windows\system32\cmd.exe /c echo oLink.TargetPath = "C:\Users\admin\AppData\Local\Templsass.exe" >> CreateShortcut.vbs | C:\Windows\system32\cmd.exe | — | lsass.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1780 | C:\Windows\system32\cmd.exe /c cscript CreateShortcut.vbs | C:\Windows\system32\cmd.exe | — | lsass.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1848 | cscript CreateShortcut.vbs | C:\Windows\system32\cscript.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft ® Console Based Script Host Exit code: 0 Version: 5.8.7600.16385 Modules
| |||||||||||||||
| 2040 | powershell.exe SCHTASKS.exe /Create /SC MINUTE /MO 5 /TN "Windows_Antimalware_System_Host" /TR C:\ProgramData\MicrosoftCorporation\Windows\SystemData\Isass.exe /F | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 10.0.10586.117 (th2_release.160212-2359) Modules
| |||||||||||||||
| 2416 | C:\ProgramData\MicrosoftCorporation\Windows\SystemData\Isass.exe | C:\ProgramData\MicrosoftCorporation\Windows\SystemData\Isass.exe | — | taskeng.exe | |||||||||||
User: admin Company: ® Microsoft Corporation. All rights reserved. Integrity Level: MEDIUM Description: Windows Security Processor Exit code: 0 Version: 10.0.15063.0 Modules
| |||||||||||||||
| 2592 | C:\Windows\system32\cmd.exe /c taskkill /im lsass.exe /f & erase C:\Users\admin\AppData\Local\Temp\lsass.exe & exit | C:\Windows\system32\cmd.exe | — | lsass.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2736 | C:\Windows\system32\cmd.exe /c powershell.exe SCHTASKS.exe /Create /SC MINUTE /MO 5 /TN "Windows_Antimalware_System_Host" /TR C:\ProgramData\MicrosoftCorporation\Windows\SystemData\Isass.exe /F | C:\Windows\system32\cmd.exe | — | lsass.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2956 | C:\Windows\system32\cmd.exe /c echo oLink.Save >> CreateShortcut.vbs | C:\Windows\system32\cmd.exe | — | lsass.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
Total events
348
Read events
343
Write events
5
Delete events
0
Modification events
| (PID) Process: | (3160) reg.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Local Security Authority Process |
Value: C:\ProgramData\MicrosoftCorporation\Windows\SystemData\Isass.exe | |||
| (PID) Process: | (3188) lsass.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3188) lsass.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
Executable files
1
Suspicious files
0
Text files
6
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2040 | powershell.exe | C:\Users\admin\AppData\Local\Temp\hn3vuwyn.1jz.ps1 | — | |
MD5:— | SHA256:— | |||
| 2040 | powershell.exe | C:\Users\admin\AppData\Local\Temp\yy1tvrg3.0bd.psm1 | — | |
MD5:— | SHA256:— | |||
| 3800 | cmd.exe | C:\Users\admin\AppData\Local\Temp\CreateShortcut.vbs | text | |
MD5:— | SHA256:— | |||
| 3728 | cmd.exe | C:\Users\admin\AppData\Local\Temp\CreateShortcut.vbs | text | |
MD5:— | SHA256:— | |||
| 2956 | cmd.exe | C:\Users\admin\AppData\Local\Temp\CreateShortcut.vbs | text | |
MD5:— | SHA256:— | |||
| 1688 | cmd.exe | C:\Users\admin\AppData\Local\Temp\CreateShortcut.vbs | text | |
MD5:— | SHA256:— | |||
| 3932 | cmd.exe | C:\Users\admin\AppData\Local\Temp\CreateShortcut.vbs | text | |
MD5:— | SHA256:— | |||
| 3396 | cmd.exe | C:\ProgramData\MicrosoftCorporation\Windows\SystemData\Isass.exe | executable | |
MD5:— | SHA256:— | |||
| 3188 | lsass.exe | C:\ProgramData\kljklj5n234k5jn.ps1 | text | |
MD5:— | SHA256:— | |||
| 1848 | cscript.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Isass.lnk | lnk | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
4
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 72.52.4.122:80 | api.boosting.online | Akamai Technologies, Inc. | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
teredo.ipv6.microsoft.com |
| whitelisted |
api.boosting.online |
| malicious |
dns.msftncsi.com |
| shared |