| File name: | C:\windows\resources\spoolsv.exe |
| Full analysis: | https://app.any.run/tasks/ae816598-7d60-473d-a7f8-523b53672079 |
| Verdict: | Malicious activity |
| Analysis date: | January 06, 2020, 19:21:06 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | MS-DOS executable, MZ for MS-DOS |
| MD5: | 5C3ADA867DBE9FA1F03D5E858F57A814 |
| SHA1: | BF5FE361BCF8CABF063C2EB3F32C0F0F7B9F5BA8 |
| SHA256: | 3D02297E94B90651143C2D2A973C423C305E0A5E0EB60EE41E23F3E1C9DA1BBA |
| SSDEEP: | 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVijl7p:UVqoCl/YgjxEufVU0TbTyDDaliJp |
MALICIOUS
Changes the autorun value in the registry
- explorer.exe (PID: 2076)
- svchost.exe (PID: 2236)
Loads the Task Scheduler COM API
- schtasks.exe (PID: 4068)
- schtasks.exe (PID: 4052)
- schtasks.exe (PID: 1596)
- schtasks.exe (PID: 2476)
- schtasks.exe (PID: 2532)
Uses Task Scheduler to run other applications
- svchost.exe (PID: 2236)
SUSPICIOUS
Creates executable files which already exist in Windows
- spoolsv.exe (PID: 3996)
- spoolsv.exe (PID: 3088)
Removes files from Windows directory
- spoolsv.exe (PID: 3088)
- spoolsv.exe (PID: 3996)
- explorer.exe (PID: 2076)
Executable content was dropped or overwritten
- spoolsv.exe (PID: 3088)
- explorer.exe (PID: 2076)
- spoolsv.exe (PID: 3996)
Creates files in the Windows directory
- explorer.exe (PID: 2076)
- spoolsv.exe (PID: 3996)
- spoolsv.exe (PID: 3088)
Starts itself from another location
- svchost.exe (PID: 2236)
Creates or modifies windows services
- svchost.exe (PID: 2236)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable (generic) (52.9) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (23.5) |
| .exe | | | DOS Executable Generic (23.5) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2013:04:01 09:08:22+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 106496 |
| InitializedDataSize: | 12288 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x290c |
| OSVersion: | 4 |
| ImageVersion: | 1 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| ProductName: | Project1 |
| FileVersion: | 1 |
| ProductVersion: | 1 |
| InternalName: | TJprojMain |
| OriginalFileName: | TJprojMain.exe |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 01-Apr-2013 07:08:22 |
| Detected languages: |
|
| ProductName: | Project1 |
| FileVersion: | 1.00 |
| ProductVersion: | 1.00 |
| InternalName: | TJprojMain |
| OriginalFilename: | TJprojMain.exe |
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: | 0x000000B8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 01-Apr-2013 07:08:22 |
| 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 | 0x000191D4 | 0x0001A000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 5.7348 |
.data | 0x0001B000 | 0x0000180C | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x0001D000 | 0x000013F0 | 0x00002000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.10921 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.71018 | 999 | UNKNOWN | English - United States | RT_MANIFEST |
30001 | 5.17704 | 3280 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
Imports
MSVBVM60.DLL |
Total processes
52
Monitored processes
11
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1416 | c:\windows\resources\spoolsv.exe PR | c:\windows\resources\spoolsv.exe | — | svchost.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.00 Modules
| |||||||||||||||
| 1596 | schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 19:25 /f | C:\Windows\system32\schtasks.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2076 | c:\windows\resources\themes\explorer.exe | c:\windows\resources\themes\explorer.exe | spoolsv.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.00 Modules
| |||||||||||||||
| 2236 | c:\windows\resources\svchost.exe | c:\windows\resources\svchost.exe | spoolsv.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.00 Modules
| |||||||||||||||
| 2476 | schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 19:26 /f | C:\Windows\system32\schtasks.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2532 | schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 19:27 /f | C:\Windows\system32\schtasks.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2960 | "C:\Users\admin\AppData\Local\Temp\spoolsv.exe" | C:\Users\admin\AppData\Local\Temp\spoolsv.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Version: 1.00 Modules
| |||||||||||||||
| 3088 | c:\windows\resources\spoolsv.exe SE | c:\windows\resources\spoolsv.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.00 Modules
| |||||||||||||||
| 3996 | "C:\Users\admin\AppData\Local\Temp\spoolsv.exe" | C:\Users\admin\AppData\Local\Temp\spoolsv.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.00 Modules
| |||||||||||||||
| 4052 | schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 19:24 /f | C:\Windows\system32\schtasks.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
41
Read events
5
Write events
36
Delete events
0
Modification events
| (PID) Process: | (3996) spoolsv.exe | Key: | HKEY_CURRENT_USER\Software\VB and VBA Program Settings\Explorer\Process |
| Operation: | write | Name: | LO |
Value: 1 | |||
| (PID) Process: | (2236) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce |
| Operation: | write | Name: | Explorer |
Value: c:\windows\resources\themes\explorer.exe RO | |||
| (PID) Process: | (2236) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce |
| Operation: | write | Name: | Svchost |
Value: c:\windows\resources\svchost.exe RO | |||
| (PID) Process: | (2076) explorer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce |
| Operation: | write | Name: | Explorer |
Value: c:\windows\resources\themes\explorer.exe RO | |||
| (PID) Process: | (2076) explorer.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce |
| Operation: | write | Name: | Svchost |
Value: c:\windows\resources\svchost.exe RO | |||
| (PID) Process: | (2076) explorer.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced |
| Operation: | write | Name: | ShowSuperHidden |
Value: 0 | |||
| (PID) Process: | (2236) svchost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced |
| Operation: | write | Name: | ShowSuperHidden |
Value: 0 | |||
| (PID) Process: | (2236) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\Schedule |
| Operation: | write | Name: | Start |
Value: 2 | |||
| (PID) Process: | (2236) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\SharedAccess |
| Operation: | write | Name: | Start |
Value: 4 | |||
Executable files
3
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1416 | spoolsv.exe | C:\Users\admin\AppData\Local\Temp\~DFAEACACBFF3F43F0E.TMP | — | |
MD5:— | SHA256:— | |||
| 3088 | spoolsv.exe | C:\Users\admin\AppData\Local\Temp\~DF190D45A96F851A21.TMP | — | |
MD5:— | SHA256:— | |||
| 3996 | spoolsv.exe | C:\Users\admin\AppData\Local\Temp\~DF4901B9D4C5060B9C.TMP | — | |
MD5:— | SHA256:— | |||
| 3996 | spoolsv.exe | C:\windows\resources\themes\explorer.exe | executable | |
MD5:— | SHA256:— | |||
| 2076 | explorer.exe | C:\windows\resources\spoolsv.exe | executable | |
MD5:— | SHA256:— | |||
| 3088 | spoolsv.exe | C:\windows\resources\svchost.exe | executable | |
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