| File name: | inf.exe |
| Full analysis: | https://app.any.run/tasks/a6b6b811-fa4d-46c6-aeab-6ae659e9b7bb |
| Verdict: | Malicious activity |
| Analysis date: | April 28, 2018, 14:26:27 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (console) Intel 80386, for MS Windows |
| MD5: | 7F37D17FCF507FBE7178882C9FBDE9DE |
| SHA1: | CBC68AADA7E1EBFF02AA102C5126B48EFF9355AC |
| SHA256: | 85D0DF0E3542936EE35EE3DBB0E15807646D6867D50F7653B84FE30A633FF33D |
| SSDEEP: | 6144:4wGZmBUWVPfrOWUBxsP5o2dvS/ed95otSA:4wECP6WUvseRKotZ |
MALICIOUS
Starts NET.EXE for service management
- inf.exe (PID: 1724)
Starts NET.EXE to view/change users group
- inf.exe (PID: 1724)
Starts NET.EXE to view/add/change user profiles
- inf.exe (PID: 1724)
Changes the autorun value in the registry
- dllhost.exe (PID: 2524)
SUSPICIOUS
Starts SC.EXE for service management
- inf.exe (PID: 1724)
Starts itself from another location
- inf.exe (PID: 1724)
Application launched itself
- taskmgr.exe (PID: 2944)
Reads internet explorer settings
- mmc.exe (PID: 3364)
INFO
Dropped object may contain URL's
- inf.exe (PID: 1724)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2017:11:06 05:21:42+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 14 |
| CodeSize: | 58368 |
| InitializedDataSize: | 180224 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2e5d |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows command line |
| FileVersionNumber: | 1.0.0.1 |
| ProductVersionNumber: | 1.0.0.1 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | Microsoft Corporation |
| FileDescription: | COM Surrogate |
| FileVersion: | 1.0.0.1 |
| InternalName: | dllhost.exe |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| OriginalFileName: | dllhost.exe |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 1.0.0.1 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_CUI |
| Compilation Date: | 06-Nov-2017 04:21:42 |
| Detected languages: |
|
| CompanyName: | Microsoft Corporation |
| FileDescription: | COM Surrogate |
| FileVersion: | 1.0.0.1 |
| InternalName: | dllhost.exe |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| OriginalFilename: | dllhost.exe |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 1.0.0.1 |
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: | 0x00000110 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 7 |
| Time date stamp: | 06-Nov-2017 04:21:42 |
| 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 | 0x0000E373 | 0x0000E400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.64257 |
.rdata | 0x00010000 | 0x00006566 | 0x00006600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.79965 |
.data | 0x00017000 | 0x00023C8C | 0x00023200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.72897 |
.gfids | 0x0003B000 | 0x00000124 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.07019 |
.tls | 0x0003C000 | 0x00000009 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0.0203931 |
.rsrc | 0x0003D000 | 0x00000558 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.81314 |
.reloc | 0x0003E000 | 0x000010DC | 0x00001200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.35544 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.91161 | 381 | UNKNOWN | English - United States | RT_MANIFEST |
Imports
ADVAPI32.dll |
KERNEL32.dll |
USER32.dll |
Total processes
60
Monitored processes
16
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1724 | "C:\Users\admin\AppData\Local\Temp\inf.exe" | C:\Users\admin\AppData\Local\Temp\inf.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: COM Surrogate Exit code: 0 Version: 1.0.0.1 Modules
| |||||||||||||||
| 2088 | net start TermService | C:\Windows\system32\net.exe | — | inf.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Net Command Exit code: 2 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2428 | C:\Windows\system32\net1 localgroup "Remote Desktop Users" yachel /add | C:\Windows\system32\net1.exe | — | net.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Net Command Exit code: 2 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2524 | C:\Users\admin\AppData\Local\DllHost\dllhost.exe a | C:\Users\admin\AppData\Local\DllHost\dllhost.exe | inf.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: COM Surrogate Exit code: 0 Version: 1.0.0.1 Modules
| |||||||||||||||
| 2656 | net localgroup "Administrators" yachel /add | C:\Windows\system32\net.exe | — | inf.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Net Command Exit code: 2 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2736 | C:\Windows\system32\net1 start TermService | C:\Windows\system32\net1.exe | — | net.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Net Command Exit code: 2 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2944 | "C:\Windows\system32\taskmgr.exe" /4 | C:\Windows\system32\taskmgr.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Task Manager Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3008 | "C:\Windows\system32\taskmgr.exe" /1 | C:\Windows\system32\taskmgr.exe | taskmgr.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Task Manager Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3104 | "C:\Windows\system32\mmc.exe" "C:\Windows\system32\services.msc" | C:\Windows\system32\mmc.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Management Console Exit code: 3221226540 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3264 | C:\Windows\system32\net1 localgroup "Administrators" yachel /add | C:\Windows\system32\net1.exe | — | net.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Net Command Exit code: 2 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
Total events
237
Read events
196
Write events
40
Delete events
1
Modification events
| (PID) Process: | (1724) inf.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\inf_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (1724) inf.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\inf_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (1724) inf.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\inf_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (1724) inf.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\inf_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (1724) inf.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\inf_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (1724) inf.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\inf_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (1724) inf.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\inf_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (1724) inf.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\inf_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (1724) inf.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\inf_RASMANCS |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (1724) inf.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\inf_RASMANCS |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
Executable files
1
Suspicious files
0
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1724 | inf.exe | C:\Users\admin\AppData\Local\DllHost\dllhost.exe | executable | |
MD5:— | SHA256:— | |||
| 3364 | mmc.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\JZR4RKAB\views[1] | html | |
MD5:A726593A8261930E4786375106FC6BFE | SHA256:E6BFDFBB9A0649EA9D38DE4255C355C581097E6A1035A54943260B22AD45F172 | |||
| 3364 | mmc.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\HB72KPVE\views[1] | html | |
MD5:A726593A8261930E4786375106FC6BFE | SHA256:E6BFDFBB9A0649EA9D38DE4255C355C581097E6A1035A54943260B22AD45F172 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
3
DNS requests
0
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | POST | 200 | 92.63.197.52:80 | http://92.63.197.52/tundr/info2.php | RU | — | — | unknown |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 172.217.18.14:80 | — | Google Inc. | US | whitelisted |
— | — | 92.63.197.52:80 | — | — | RU | unknown |