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| File name: | cmrlas.exe |
| Full analysis: | https://app.any.run/tasks/57013e01-d69d-4ec5-902a-81fca6344886 |
| Verdict: | Malicious activity |
| Analysis date: | June 12, 2019, 03:50:31 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 90DD19A1153FE7E8C2A0B52EA9EFB4CB |
| SHA1: | BDA6977E44E4A00DDD330087670107910C434C0C |
| SHA256: | E28128CCB068664A3B46AA9EB36E7F0AA1AB856415F2917FC1A28CE4B43BDB3F |
| SSDEEP: | 12288:CrssqN3F7DCsDfwIiHRiqvb0WPuO5lEBsTY0YAaA6:gssmlDTjwIiHYqz0qr5lEBmN |
MALICIOUS
Stops/Deletes Windows Defender service via SC.exe
- cmd.exe (PID: 3716)
- cmd.exe (PID: 2972)
- cmd.exe (PID: 284)
- cmd.exe (PID: 2480)
- cmd.exe (PID: 3512)
- cmd.exe (PID: 644)
Known privilege escalation attack
- DllHost.exe (PID: 1712)
Executes PowerShell scripts
- cmd.exe (PID: 3068)
Disables Windows Defender Real-time monitoring
- cotnau.exe (PID: 856)
Loads the Task Scheduler COM API
- cotnau.exe (PID: 856)
SUSPICIOUS
Executed via COM
- DllHost.exe (PID: 1712)
Executes PowerShell scripts
- cmd.exe (PID: 792)
- cmd.exe (PID: 3756)
Starts CMD.EXE for commands execution
- cmrlas.exe (PID: 3320)
- cotnau.exe (PID: 856)
Creates files in the user directory
- cmrlas.exe (PID: 3320)
- powershell.exe (PID: 3424)
- powershell.exe (PID: 3592)
- powershell.exe (PID: 2460)
Executable content was dropped or overwritten
- cmrlas.exe (PID: 3320)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | InstallShield setup (33) |
|---|---|---|
| .exe | | | Win32 Executable MS Visual C++ (generic) (23.9) |
| .exe | | | Win64 Executable (generic) (21.2) |
| .scr | | | Windows screen saver (10) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
EXIF
EXE
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0x11102 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 372736 |
| CodeSize: | 286720 |
| LinkerVersion: | 7.1 |
| PEType: | PE32 |
| TimeStamp: | 2019:06:11 12:45:49+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 11-Jun-2019 10:45:49 |
| Detected languages: |
|
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: | 0x00000100 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 4 |
| Time date stamp: | 11-Jun-2019 10:45:49 |
| 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 | 0x0004599E | 0x00046000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.55455 |
.rdata | 0x00047000 | 0x0004CBEE | 0x0004D000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.2158 |
.data | 0x00094000 | 0x00006284 | 0x00003000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.19725 |
.rsrc | 0x0009B000 | 0x00006160 | 0x00007000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.30361 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.02695 | 308 | UNKNOWN | English - United States | RT_CURSOR |
2 | 2.74274 | 180 | UNKNOWN | English - United States | RT_CURSOR |
3 | 2.34038 | 308 | UNKNOWN | English - United States | RT_CURSOR |
4 | 2.34004 | 308 | UNKNOWN | English - United States | RT_CURSOR |
5 | 2.51649 | 308 | UNKNOWN | English - United States | RT_CURSOR |
6 | 2.45401 | 308 | UNKNOWN | English - United States | RT_CURSOR |
7 | 2.34864 | 308 | UNKNOWN | English - United States | RT_CURSOR |
8 | 2.34505 | 308 | UNKNOWN | English - United States | RT_CURSOR |
9 | 2.66572 | 156 | UNKNOWN | English - United States | RT_STRING |
10 | 2.31114 | 308 | UNKNOWN | English - United States | RT_CURSOR |
Imports
ADVAPI32.dll |
COMCTL32.dll |
GDI32.dll |
KERNEL32.dll |
OLEACC.dll (delay-loaded) |
OLEAUT32.dll |
SHELL32.dll |
SHLWAPI.dll |
USER32.dll |
WINSPOOL.DRV |
Total processes
62
Monitored processes
21
Malicious processes
4
Suspicious processes
6
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3320 | "C:\Users\admin\AppData\Local\Temp\cmrlas.exe" | C:\Users\admin\AppData\Local\Temp\cmrlas.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 3716 | /c sc stop WinDefend | C:\Windows\system32\cmd.exe | — | cmrlas.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 5 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 2200 | sc stop WinDefend | C:\Windows\system32\sc.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: A tool to aid in developing services for WindowsNT Exit code: 5 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 284 | /c sc delete WinDefend | C:\Windows\system32\cmd.exe | — | cmrlas.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 5 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 792 | /c powershell Set-MpPreference -DisableRealtimeMonitoring $true | C:\Windows\system32\cmd.exe | — | cmrlas.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 2768 | sc delete WinDefend | C:\Windows\system32\sc.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: A tool to aid in developing services for WindowsNT Exit code: 5 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3424 | powershell Set-MpPreference -DisableRealtimeMonitoring $true | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 1712 | C:\Windows\system32\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7} | C:\Windows\system32\DllHost.exe | — | svchost.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: COM Surrogate Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 856 | "C:\Users\admin\AppData\Roaming\netcache\cotnau.exe" | C:\Users\admin\AppData\Roaming\netcache\cotnau.exe | — | DllHost.exe |
User: admin Integrity Level: HIGH Exit code: 0 | ||||
| 3068 | "C:\Windows\System32\cmd.exe" /c powershell Set-MpPreference -DisableRealtimeMonitoring $true | C:\Windows\System32\cmd.exe | — | cotnau.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
Total events
995
Read events
815
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
8
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3424 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\5I1CT8LZWSV9JA5KDLCO.temp | — | |
MD5:— | SHA256:— | |||
| 3592 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\4BS6F1VY5JU8RMV0CC55.temp | — | |
MD5:— | SHA256:— | |||
| 2460 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\1KW2K7VP6T5Q8DGZBA4J.temp | — | |
MD5:— | SHA256:— | |||
| 2460 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF11ff4c.TMP | binary | |
MD5:131DC75F6D4142CA9244945A91A71E8D | SHA256:F17C463C77B5DA9E795770A82E0A7FB1023023F44397F6E080721E9811B2A0C4 | |||
| 3592 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF11fac8.TMP | binary | |
MD5:131DC75F6D4142CA9244945A91A71E8D | SHA256:F17C463C77B5DA9E795770A82E0A7FB1023023F44397F6E080721E9811B2A0C4 | |||
| 3592 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:131DC75F6D4142CA9244945A91A71E8D | SHA256:F17C463C77B5DA9E795770A82E0A7FB1023023F44397F6E080721E9811B2A0C4 | |||
| 3424 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:131DC75F6D4142CA9244945A91A71E8D | SHA256:F17C463C77B5DA9E795770A82E0A7FB1023023F44397F6E080721E9811B2A0C4 | |||
| 3424 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF11f171.TMP | binary | |
MD5:131DC75F6D4142CA9244945A91A71E8D | SHA256:F17C463C77B5DA9E795770A82E0A7FB1023023F44397F6E080721E9811B2A0C4 | |||
| 2460 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:131DC75F6D4142CA9244945A91A71E8D | SHA256:F17C463C77B5DA9E795770A82E0A7FB1023023F44397F6E080721E9811B2A0C4 | |||
| 856 | cotnau.exe | C:\Users\admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1302019708-1500728564-335382590-1000\0f5007522459c86e95ffcc62f32308f1_90059c37-1320-41a4-b58d-2b75a9850d2f | binary | |
MD5:D45A842A56DE00445554F0A41FE6A027 | SHA256:1BB782DB4E5908A58E249BA022BF9FAADC6B89CAB942459A28608CE892334B9C | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report