| File name: | sys.exe |
| Full analysis: | https://app.any.run/tasks/ee07b76e-d86d-4bbc-a039-786a91fcd311 |
| Verdict: | Malicious activity |
| Analysis date: | October 06, 2020, 13:56:19 |
| 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: | ECAB63B6DE18073453310A9C4551074B |
| SHA1: | 31D67B5A5588B2D28365534C36A7B754F28E1DF9 |
| SHA256: | C21A3A44B46E7242C0762C8EC5E8A394DDC74B747244C5B83678620AE141E59C |
| SSDEEP: | 12288:3hxp3lZnT9bDBXV7uikFg063y2NS9yu95:3Jlh9bDBXlubg061g9y85 |
MALICIOUS
Loads dropped or rewritten executable
- RasTls.exe (PID: 1500)
Application was dropped or rewritten from another process
- RasTls.exe (PID: 1500)
Loads the Task Scheduler COM API
- schtasks.exe (PID: 4032)
- schtasks.exe (PID: 3516)
Uses Task Scheduler to run other applications
- cmd.exe (PID: 2824)
- cmd.exe (PID: 2256)
SUSPICIOUS
Executable content was dropped or overwritten
- RasTls.exe (PID: 1500)
- sys.exe (PID: 3452)
Starts CMD.EXE for commands execution
- RasTls.exe (PID: 1500)
Creates files in the program directory
- RasTls.exe (PID: 1500)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (76.4) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (12.4) |
| .exe | | | Generic Win/DOS Executable (5.5) |
| .exe | | | DOS Executable Generic (5.5) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2016:08:14 21:15:49+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 14 |
| CodeSize: | 188416 |
| InitializedDataSize: | 181248 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1cab5 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 14-Aug-2016 19:15:49 |
| Detected languages: |
|
| Debug artifacts: |
|
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: | 6 |
| Time date stamp: | 14-Aug-2016 19:15:49 |
| 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 | 0x0002DFE8 | 0x0002E000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.71025 |
.rdata | 0x0002F000 | 0x000099D0 | 0x00009A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.15287 |
.data | 0x00039000 | 0x0001F8B8 | 0x00000C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.29547 |
.gfids | 0x00059000 | 0x000000F0 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.12367 |
.rsrc | 0x0005A000 | 0x0001FB18 | 0x0001FC00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.40642 |
.reloc | 0x0007A000 | 0x00001F8C | 0x00002000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.62986 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.25329 | 1875 | Latin 1 / Western European | English - United States | RT_MANIFEST |
2 | 5.78498 | 2216 | Latin 1 / Western European | Process Default Language | RT_ICON |
3 | 5.02264 | 1736 | Latin 1 / Western European | Process Default Language | RT_ICON |
4 | 3.6627 | 1384 | Latin 1 / Western European | Process Default Language | RT_ICON |
5 | 7.94885 | 89575 | Latin 1 / Western European | Process Default Language | RT_ICON |
6 | 5.14952 | 9640 | Latin 1 / Western European | Process Default Language | RT_ICON |
7 | 3.1586 | 482 | Latin 1 / Western European | English - United States | RT_STRING |
8 | 3.11685 | 460 | Latin 1 / Western European | English - United States | RT_STRING |
9 | 3.15447 | 494 | Latin 1 / Western European | English - United States | RT_STRING |
10 | 2.99727 | 326 | Latin 1 / Western European | English - United States | RT_STRING |
Imports
COMCTL32.dll (delay-loaded) |
KERNEL32.dll |
Total processes
43
Monitored processes
6
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1500 | "C:\Users\admin\AppData\Local\Temp\RarSFX0\RasTls.exe" | C:\Users\admin\AppData\Local\Temp\RarSFX0\RasTls.exe | sys.exe | ||||||||||||
User: admin Company: Symantec Corporation Integrity Level: MEDIUM Description: Symantec 802.1x Supplicant Exit code: 0 Version: 11.0.4010.7 Modules
| |||||||||||||||
| 2256 | c:\windows\system32\cmd.exe /c c:\windows\system32\schtasks.exe /create /sc minute /mo 2 /tn "SymantecRasTls" /tr "\"C:\ProgramData\SymantecRasTls\RasTls.exe\"" | c:\windows\system32\cmd.exe | — | RasTls.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
| |||||||||||||||
| 2824 | c:\windows\system32\cmd.exe /c c:\windows\system32\schtasks.exe /delete /tn "SymantecRasTls" /F | c:\windows\system32\cmd.exe | — | RasTls.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
| |||||||||||||||
| 3452 | "C:\Users\admin\AppData\Local\Temp\sys.exe" | C:\Users\admin\AppData\Local\Temp\sys.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3516 | c:\windows\system32\schtasks.exe /delete /tn "SymantecRasTls" /F | c:\windows\system32\schtasks.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 4032 | c:\windows\system32\schtasks.exe /create /sc minute /mo 2 /tn "SymantecRasTls" /tr "\"C:\ProgramData\SymantecRasTls\RasTls.exe\"" | c:\windows\system32\schtasks.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
373
Read events
369
Write events
4
Delete events
0
Modification events
| (PID) Process: | (3452) sys.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3452) sys.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
Executable files
4
Suspicious files
2
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3452 | sys.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\RasTls.dll | executable | |
MD5:D5915394A6916A00C426AA2827D97C0E | SHA256:6CD5079A69D9A68029E37F2680F44B7BA71C2B1EECF4894C2A8B293D5F768F10 | |||
| 3452 | sys.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\RasTls.dll.res | binary | |
MD5:— | SHA256:— | |||
| 1500 | RasTls.exe | C:\ProgramData\SymantecRasTls\RasTls.dll.res | binary | |
MD5:— | SHA256:— | |||
| 1500 | RasTls.exe | C:\ProgramData\SymantecRasTls\RasTls.dll | executable | |
MD5:D5915394A6916A00C426AA2827D97C0E | SHA256:6CD5079A69D9A68029E37F2680F44B7BA71C2B1EECF4894C2A8B293D5F768F10 | |||
| 3452 | sys.exe | C:\Users\admin\AppData\Local\Temp\RarSFX0\RasTls.exe | executable | |
MD5:62944E26B36B1DCACE429AE26BA66164 | SHA256:F9EBF6AEB3F0FB0C29BD8F3D652476CD1FE8BD9A0C11CB15C43DE33BBCE0BF68 | |||
| 1500 | RasTls.exe | C:\ProgramData\SymantecRasTls\RasTls.exe | executable | |
MD5:62944E26B36B1DCACE429AE26BA66164 | SHA256:F9EBF6AEB3F0FB0C29BD8F3D652476CD1FE8BD9A0C11CB15C43DE33BBCE0BF68 | |||
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HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
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