| File name: | runassystem.exe |
| Full analysis: | https://app.any.run/tasks/15ec399a-aaf5-4c5c-a5ae-15229696ce8f |
| Verdict: | Malicious activity |
| Analysis date: | April 03, 2019, 13:32:08 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | DC0A3066F049C381A4D0397DAE77D629 |
| SHA1: | F600DE59A5FC29881954262562896A44CD7C85BB |
| SHA256: | 694C523F52F413055225E9BD8FF06E7D0C6BA8BC91B7CA54B9B8F9CC667E8FF0 |
| SSDEEP: | 384:FZYRT4ItGi5gSM45d5W4MLRfTokY2ZWlumWv7ONWssCzYcCe:bYR8NieS7crWEDjC5zYcCe |
MALICIOUS
No malicious indicators.SUSPICIOUS
Starts SC.EXE for service management
- runassystem.exe (PID: 1816)
Removes files from Windows directory
- dw20.exe (PID: 2140)
Creates files in the program directory
- dw20.exe (PID: 2140)
Creates files in the Windows directory
- dw20.exe (PID: 2140)
INFO
Application was crashed
- runassystem.exe (PID: 2196)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (62) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.5) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Win16/32 Executable Delphi generic (1.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2010:08:20 18:18:19+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 16896 |
| InitializedDataSize: | 4608 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x605e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | Runs a process under the local system account |
| CompanyName: | Microsoft |
| FileDescription: | RunAsSystem |
| FileVersion: | 1.0.0.0 |
| InternalName: | RunAsSystem.exe |
| LegalCopyright: | Copyright © Microsoft 2010 |
| OriginalFileName: | RunAsSystem.exe |
| ProductName: | RunAsSystem |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 20-Aug-2010 16:18:19 |
| Debug artifacts: |
|
| Comments: | Runs a process under the local system account |
| CompanyName: | Microsoft |
| FileDescription: | RunAsSystem |
| FileVersion: | 1.0.0.0 |
| InternalName: | RunAsSystem.exe |
| LegalCopyright: | Copyright © Microsoft 2010 |
| OriginalFilename: | RunAsSystem.exe |
| ProductName: | RunAsSystem |
| ProductVersion: | 1.0.0.0 |
| Assembly Version: | 1.0.0.0 |
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: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 4 |
| Time date stamp: | 20-Aug-2010 16:18:19 |
| 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 | 0x00002000 | 0x00004064 | 0x00004200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.74561 |
.sdata | 0x00008000 | 0x0000009D | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 2.22304 |
.rsrc | 0x0000A000 | 0x00000DF8 | 0x00000E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.51124 |
.reloc | 0x0000C000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0776332 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.89877 | 1246 | UNKNOWN | UNKNOWN | RT_MANIFEST |
2 | 2.71419 | 744 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 2.53612 | 296 | UNKNOWN | UNKNOWN | RT_ICON |
32512 | 2.47702 | 34 | UNKNOWN | UNKNOWN | RT_GROUP_ICON |
Imports
mscoree.dll |
Total processes
47
Monitored processes
9
Malicious processes
2
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 588 | sc start RunAsSystem | C:\Windows\system32\sc.exe | — | runassystem.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
| |||||||||||||||
| 1504 | sc stop RunAsSystem | C:\Windows\system32\sc.exe | — | runassystem.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
| |||||||||||||||
| 1816 | "C:\Users\admin\AppData\Local\Temp\runassystem.exe" | C:\Users\admin\AppData\Local\Temp\runassystem.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Integrity Level: HIGH Description: RunAsSystem Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2140 | dw20.exe -x -s 904 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | — | runassystem.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Microsoft .NET Error Reporting Shim Exit code: 0 Version: 2.0.50727.4927 (NetFXspW7.050727-4900) Modules
| |||||||||||||||
| 2196 | C:\Users\admin\AppData\Local\Temp\runassystem.exe | C:\Users\admin\AppData\Local\Temp\runassystem.exe | services.exe | ||||||||||||
User: SYSTEM Company: Microsoft Integrity Level: SYSTEM Description: RunAsSystem Exit code: 3762507597 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2692 | sc config RunAsSystem start= auto | C:\Windows\system32\sc.exe | — | runassystem.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
| |||||||||||||||
| 3516 | sc create RunAsSystem binpath= "C:\Users\admin\AppData\Local\Temp\runassystem.exe" type= own type= interact | C:\Windows\system32\sc.exe | — | runassystem.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
| |||||||||||||||
| 3796 | "C:\Users\admin\AppData\Local\Temp\runassystem.exe" | C:\Users\admin\AppData\Local\Temp\runassystem.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Integrity Level: MEDIUM Description: RunAsSystem Exit code: 3221226540 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3888 | sc delete RunAsSystem | C:\Windows\system32\sc.exe | — | runassystem.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
| |||||||||||||||
Total events
25
Read events
11
Write events
14
Delete events
0
Modification events
| (PID) Process: | (1816) runassystem.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shell\RunAsSystem |
| Operation: | write | Name: | |
Value: Run as system | |||
| (PID) Process: | (1816) runassystem.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shell\RunAsSystem |
| Operation: | write | Name: | HasLUAShield |
Value: | |||
| (PID) Process: | (1816) runassystem.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shell\RunAsSystem\Command |
| Operation: | write | Name: | |
Value: "C:\Users\admin\AppData\Local\Temp\runassystem.exe" %1 | |||
| (PID) Process: | (1816) runassystem.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\batfile\shell\RunAsSystem |
| Operation: | write | Name: | |
Value: Run as system | |||
| (PID) Process: | (1816) runassystem.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\batfile\shell\RunAsSystem |
| Operation: | write | Name: | HasLUAShield |
Value: | |||
| (PID) Process: | (1816) runassystem.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\batfile\shell\RunAsSystem\Command |
| Operation: | write | Name: | |
Value: "C:\Users\admin\AppData\Local\Temp\runassystem.exe" %1 | |||
| (PID) Process: | (2196) runassystem.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shell\RunAsSystem |
| Operation: | write | Name: | |
Value: Run as system | |||
| (PID) Process: | (2196) runassystem.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shell\RunAsSystem |
| Operation: | write | Name: | HasLUAShield |
Value: | |||
| (PID) Process: | (2196) runassystem.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\exefile\shell\RunAsSystem\Command |
| Operation: | write | Name: | |
Value: "C:\Users\admin\AppData\Local\Temp\runassystem.exe" %1 | |||
| (PID) Process: | (2196) runassystem.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Classes\batfile\shell\RunAsSystem |
| Operation: | write | Name: | |
Value: Run as system | |||
Executable files
0
Suspicious files
1
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2140 | dw20.exe | C:\Windows\Temp\WER22A9.tmp.hdmp | — | |
MD5:— | SHA256:— | |||
| 2140 | dw20.exe | C:\Windows\Temp\WER2CDB.tmp.mdmp | — | |
MD5:— | SHA256:— | |||
| 2140 | dw20.exe | C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_runassystem.exe_d36a5b263b5c56a77628eb77d9ca1197949ec_cab_084d2da4\WER22A9.tmp.hdmp | — | |
MD5:— | SHA256:— | |||
| 2140 | dw20.exe | C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_runassystem.exe_d36a5b263b5c56a77628eb77d9ca1197949ec_cab_084d2da4\WER2CDB.tmp.mdmp | — | |
MD5:— | SHA256:— | |||
| 2140 | dw20.exe | C:\Windows\Temp\WER2298.tmp.WERInternalMetadata.xml | xml | |
MD5:— | SHA256:— | |||
| 2140 | dw20.exe | C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_runassystem.exe_d36a5b263b5c56a77628eb77d9ca1197949ec_cab_084d2da4\WER2298.tmp.WERInternalMetadata.xml | xml | |
MD5:— | SHA256:— | |||
| 2140 | dw20.exe | C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_runassystem.exe_d36a5b263b5c56a77628eb77d9ca1197949ec_cab_084d2da4\Report.wer | 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