| File name: | cmslase.exe |
| Full analysis: | https://app.any.run/tasks/cc1836db-5ce8-4dd9-be2f-07f91262535f |
| Verdict: | Malicious activity |
| Analysis date: | June 17, 2019, 00:57:00 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 1FC4A98BDABF9732D5C9060439BA3B7C |
| SHA1: | CC335B971A3FFDF7965666D49160329DEA2A1670 |
| SHA256: | 4258BD948667AF61B83F0BB76226024A56B8F4DA8D68694A86FDCD555AB41ECE |
| SSDEEP: | 12288:+VOjM1MWlb9MriNBnMeiLlnkMGWZQEmCxEqxxAMLly:U1L3JBnMe2lAW20ly |
MALICIOUS
Disables Windows Defender
- cmslase.exe (PID: 252)
- counaue.exe (PID: 3920)
Stops/Deletes Windows Defender service via SC.exe
- cmd.exe (PID: 3140)
- cmd.exe (PID: 1504)
- cmd.exe (PID: 2164)
- cmd.exe (PID: 2644)
- cmd.exe (PID: 4012)
- cmd.exe (PID: 2688)
Known privilege escalation attack
- DllHost.exe (PID: 868)
Executes PowerShell scripts
- cmd.exe (PID: 3436)
Loads the Task Scheduler COM API
- counaue.exe (PID: 3920)
SUSPICIOUS
Starts CMD.EXE for commands execution
- cmslase.exe (PID: 252)
- counaue.exe (PID: 3920)
Executable content was dropped or overwritten
- cmslase.exe (PID: 252)
Executes PowerShell scripts
- cmd.exe (PID: 284)
- cmd.exe (PID: 3532)
Creates files in the user directory
- powershell.exe (PID: 2944)
- powershell.exe (PID: 3544)
- powershell.exe (PID: 2304)
- cmslase.exe (PID: 252)
Executed via COM
- DllHost.exe (PID: 868)
INFO
Dropped object may contain Bitcoin addresses
- cmslase.exe (PID: 252)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (67.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.2) |
| .exe | | | Win32 Executable (generic) (9.7) |
| .exe | | | Generic Win/DOS Executable (4.3) |
| .exe | | | DOS Executable Generic (4.3) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:06:13 13:18:44+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 176128 |
| InitializedDataSize: | 294912 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x19660 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 13-Jun-2019 11:18:44 |
| 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: | 0x000000D8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 4 |
| Time date stamp: | 13-Jun-2019 11:18:44 |
| 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 | 0x0002A45B | 0x0002B000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.54551 |
.rdata | 0x0002C000 | 0x00043552 | 0x00044000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.19906 |
.data | 0x00070000 | 0x00005C74 | 0x00003000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.02492 |
.rsrc | 0x00076000 | 0x000000B0 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.05735 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.65542 | 86 | Latin 1 / Western European | English - United States | RT_MANIFEST |
Imports
ADVAPI32.dll |
GDI32.dll |
KERNEL32.dll |
OLEACC.dll (delay-loaded) |
OLEAUT32.dll |
SHELL32.dll |
SHLWAPI.dll |
USER32.dll |
WINSPOOL.DRV |
Total processes
63
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 252 | "C:\Users\admin\AppData\Local\Temp\cmslase.exe" | C:\Users\admin\AppData\Local\Temp\cmslase.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 284 | /c powershell Set-MpPreference -DisableRealtimeMonitoring $true | C:\Windows\system32\cmd.exe | — | cmslase.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) Modules
| |||||||||||||||
| 868 | 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) Modules
| |||||||||||||||
| 960 | sc delete WinDefend | C:\Windows\system32\sc.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: A tool to aid in developing services for WindowsNT Exit code: 1060 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1504 | "C:\Windows\System32\cmd.exe" /c sc stop WinDefend | C:\Windows\System32\cmd.exe | — | counaue.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1062 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2164 | "C:\Windows\System32\cmd.exe" /c sc delete WinDefend | C:\Windows\System32\cmd.exe | — | counaue.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2304 | powershell Set-MpPreference -DisableRealtimeMonitoring $true | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows PowerShell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2356 | 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) Modules
| |||||||||||||||
| 2356 | sc delete WinDefend | C:\Windows\system32\sc.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: A tool to aid in developing services for WindowsNT Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2644 | /c sc stop WinDefend | C:\Windows\system32\cmd.exe | — | counaue.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1060 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
Total events
999
Read events
819
Write events
180
Delete events
0
Modification events
| (PID) Process: | (2944) powershell.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\62\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (252) cmslase.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender |
| Operation: | write | Name: | DisableAntiSpyware |
Value: 1 | |||
| (PID) Process: | (868) DllHost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (868) DllHost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3920) counaue.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3920) counaue.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3920) counaue.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender |
| Operation: | write | Name: | DisableAntiSpyware |
Value: 1 | |||
| (PID) Process: | (3920) counaue.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection |
| Operation: | write | Name: | DisableBehaviorMonitoring |
Value: 1 | |||
| (PID) Process: | (3920) counaue.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection |
| Operation: | write | Name: | DisableOnAccessProtection |
Value: 1 | |||
| (PID) Process: | (3920) counaue.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-time Protection |
| Operation: | write | Name: | DisableOnRealtimeEnable |
Value: 1 | |||
Executable files
1
Suspicious files
8
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2944 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\S91OWQ2D3N0LX4I8D8EL.temp | — | |
MD5:— | SHA256:— | |||
| 3544 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CC4YHYNBWAA0RMOCMLMK.temp | — | |
MD5:— | SHA256:— | |||
| 2304 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\A3BZPPZOMGW106GXQXO8.temp | — | |
MD5:— | SHA256:— | |||
| 252 | cmslase.exe | C:\Users\admin\AppData\Roaming\netcache\counaue.exe | executable | |
MD5:— | SHA256:— | |||
| 2944 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF13447e.TMP | binary | |
MD5:— | SHA256:— | |||
| 2944 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:— | SHA256:— | |||
| 3544 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF134ad7.TMP | binary | |
MD5:— | SHA256:— | |||
| 3920 | counaue.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:— | SHA256:— | |||
| 252 | cmslase.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:— | SHA256:— | |||
| 3544 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:— | SHA256:— | |||
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