| File name: | ntenan.exe |
| Full analysis: | https://app.any.run/tasks/40e6856f-a0be-4d2f-bcf6-c7746161a398 |
| Verdict: | Malicious activity |
| Analysis date: | September 19, 2019, 07:33:17 |
| 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: | AE657E9C9345F89AEF5024ED0F3EF03D |
| SHA1: | 3A0937FE8E1923DC014582A6A59F25292B1C0E21 |
| SHA256: | 9D6E4AD7F84D025BBE9F95E74542E7D9F79E054F6DCD7B37296F01E7EDD2ABAE |
| SSDEEP: | 12288:Oq3kwajyIu/GgR+HzLrnLrBoZzzMzZv36pV+mejzD1tD:Oq3kei8+H71l |
MALICIOUS
Known privilege escalation attack
- DllHost.exe (PID: 2056)
Loads the Task Scheduler COM API
- ptepap.exe (PID: 3888)
- ptepap.exe (PID: 2988)
Connects to CnC server
- ptepap.exe (PID: 3888)
SUSPICIOUS
Executed via Task Scheduler
- ptepap.exe (PID: 3888)
Executable content was dropped or overwritten
- ntenan.exe (PID: 2904)
Creates files in the user directory
- ntenan.exe (PID: 2904)
- ptepap.exe (PID: 3888)
Executed via COM
- DllHost.exe (PID: 2056)
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 Microsoft Visual Basic 6 (90.6) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (4.9) |
| .exe | | | Generic Win/DOS Executable (2.2) |
| .exe | | | DOS Executable Generic (2.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:09:18 12:45:49+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 458752 |
| InitializedDataSize: | 184320 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2260 |
| 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 |
| CompanyName: | El Guayabo |
| FileDescription: | class that simulates a button bar using a picturebox |
| ProductName: | ButtonBar |
| FileVersion: | 1.0.0.0 |
| ProductVersion: | 1.0.0.0 |
| InternalName: | ButtonBar |
| OriginalFileName: | ButtonBar.exe |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 18-Sep-2019 10:45:49 |
| Detected languages: |
|
| CompanyName: | El Guayabo |
| FileDescription: | class that simulates a button bar using a picturebox |
| ProductName: | ButtonBar |
| FileVersion: | 1.0.0.0 |
| ProductVersion: | 1.0.0.0 |
| InternalName: | ButtonBar |
| OriginalFilename: | ButtonBar.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: | 18-Sep-2019 10:45:49 |
| 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 | 0x0006FAD8 | 0x00070000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.6565 |
.data | 0x00071000 | 0x00003874 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x00075000 | 0x0002BA1C | 0x0002C000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.9882 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.25403 | 696 | Latin 1 / Western European | English - United States | RT_VERSION |
2 | 2.9468 | 484 | Latin 1 / Western European | UNKNOWN | RT_STRING |
7 | 3.26878 | 296 | Latin 1 / Western European | UNKNOWN | RT_STRING |
8 | 3.22064 | 784 | Latin 1 / Western European | UNKNOWN | RT_STRING |
17 | 7.99824 | 176128 | Latin 1 / Western European | UNKNOWN | RT_RCDATA |
Imports
MSVBVM60.DLL |
gdi32.DLL |
kernel32.DLL |
user32.DLL |
Total processes
38
Monitored processes
4
Malicious processes
1
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2056 | 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
| |||||||||||||||
| 2904 | "C:\Users\admin\AppData\Local\Temp\ntenan.exe" | C:\Users\admin\AppData\Local\Temp\ntenan.exe | explorer.exe | ||||||||||||
User: admin Company: El Guayabo Integrity Level: MEDIUM Description: class that simulates a button bar using a picturebox Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2988 | "C:\Users\admin\AppData\Roaming\CloudApp\ptepap.exe" | C:\Users\admin\AppData\Roaming\CloudApp\ptepap.exe | — | DllHost.exe | |||||||||||
User: admin Company: El Guayabo Integrity Level: HIGH Description: class that simulates a button bar using a picturebox Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 3888 | C:\Users\admin\AppData\Roaming\CloudApp\ptepap.exe | C:\Users\admin\AppData\Roaming\CloudApp\ptepap.exe | taskeng.exe | ||||||||||||
User: SYSTEM Company: El Guayabo Integrity Level: SYSTEM Description: class that simulates a button bar using a picturebox Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
Total events
379
Read events
375
Write events
4
Delete events
0
Modification events
| (PID) Process: | (2056) DllHost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2056) DllHost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2904 | ntenan.exe | C:\Users\admin\AppData\Roaming\CloudApp\ptepap.exe | executable | |
MD5:— | SHA256:— | |||
| 3888 | ptepap.exe | C:\Users\admin\AppData\Roaming\CloudApp\settings.ini | text | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
0
Threats
1
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3888 | ptepap.exe | 107.155.137.4:443 | — | Nodes Direct | US | suspicious |
DNS requests
Threats
PID | Process | Class | Message |
|---|---|---|---|
3888 | ptepap.exe | A Network Trojan was detected | ET CNC Feodo Tracker Reported CnC Server group 1 |