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| File name: | Server.exe |
| Full analysis: | https://app.any.run/tasks/5b85de36-d731-4b40-b2b3-cc32f2a23ce9 |
| Verdict: | Malicious activity |
| Threats: | njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. |
| Analysis date: | July 11, 2019, 19:51:51 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 2E68C188283E0A5F4CF3F6983A517366 |
| SHA1: | BF31739C526F0A633945415B55B0553C6232A7AE |
| SHA256: | E59DF8BF66FCEF14D4AEF67B45AC2269977949ECBFFA39DD1FEE47C16A673777 |
| SSDEEP: | 3072:zSUo2LoONCXEKJAtMOHfCqe6lxNPQWzN:zS1b06RWfCD6lr5 |
MALICIOUS
NJRAT was detected
- Sistema Operacional.exe (PID: 3644)
Uses Task Scheduler to run other applications
- Sistema Operacional.exe (PID: 3644)
Writes to a start menu file
- Sistema Operacional.exe (PID: 3644)
Loads the Task Scheduler COM API
- schtasks.exe (PID: 3912)
Changes the autorun value in the registry
- Sistema Operacional.exe (PID: 3644)
Connects to CnC server
- Sistema Operacional.exe (PID: 3644)
SUSPICIOUS
Executable content was dropped or overwritten
- Server.exe (PID: 3080)
- Sistema Operacional.exe (PID: 3644)
Creates files in the user directory
- Sistema Operacional.exe (PID: 3644)
Starts itself from another location
- Server.exe (PID: 3080)
Executed via Task Scheduler
- Server.exe (PID: 2516)
INFO
No info indicators.
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.) (72.2) |
|---|---|---|
| .scr | | | Windows screen saver (12.9) |
| .dll | | | Win32 Dynamic Link Library (generic) (6.4) |
| .exe | | | Win32 Executable (generic) (4.4) |
| .exe | | | Generic Win/DOS Executable (1.9) |
EXIF
EXE
| Guid: | 8f8061d1-28b8-4c49-aa90-c6504dc07460 |
|---|---|
| ProductVersion: | 1.1.1288.1288 |
| FileVersion: | 2.2.1288.1288 |
| Comments: | Operating c4d1938 Values |
| LegalTrademarks: | 276b321 |
| LegalCopyright: | ₢ dadcd96 Corporation. All rights reserved |
| CompanyName: | ₢ 63a93a5 Corporation. |
| FileDescription: | The 0c533b4 is a big project from bf48513 |
| ProductName: | 98941e8₢ 7a8cb97₢ System |
| CharacterSet: | Windows, Latin1 |
| LanguageCode: | English (U.S.) |
| FileSubtype: | - |
| ObjectFileType: | Dynamic link library |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 1.1.1288.1288 |
| FileVersionNumber: | 2.2.1288.1288 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0x1d8be |
| UninitializedDataSize: | - |
| InitializedDataSize: | 2048 |
| CodeSize: | 113152 |
| LinkerVersion: | 11 |
| PEType: | PE32 |
| TimeStamp: | 2019:06:24 02:10:40+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 24-Jun-2019 00:10:40 |
| Detected languages: |
|
| ProductName: | 98941e8₢ 7a8cb97₢ System |
| FileDescription: | The 0c533b4 is a big project from bf48513 |
| CompanyName: | ₢ 63a93a5 Corporation. |
| LegalCopyright: | ₢ dadcd96 Corporation. All rights reserved |
| LegalTrademarks: | 276b321 |
| Comments: | Operating c4d1938 Values |
| FileVersion: | 2.2.1288.1288 |
| ProductVersion: | 1.1.1288.1288 |
| Guid: | 8f8061d1-28b8-4c49-aa90-c6504dc07460 |
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: | 3 |
| Time date stamp: | 24-Jun-2019 00:10:40 |
| 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 | 0x0001B8C4 | 0x0001BA00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.18589 |
.rsrc | 0x0001E000 | 0x0000042C | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.10845 |
.reloc | 0x00020000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.58317 | 980 | Latin 1 / Western European | English - United States | RT_VERSION |
Imports
mscoree.dll |
Total processes
38
Monitored processes
4
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3080 | "C:\Users\admin\AppData\Local\Temp\Server.exe" | C:\Users\admin\AppData\Local\Temp\Server.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 3644 | "C:\Users\admin\Sistema Operacional.exe" | C:\Users\admin\Sistema Operacional.exe | Server.exe | |
User: admin Integrity Level: MEDIUM | ||||
| 3912 | schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\admin\AppData\Local\Temp/Server.exe | C:\Windows\system32\schtasks.exe | — | Sistema Operacional.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) | ||||
| 2516 | C:\Users\admin\AppData\Local\Temp/Server.exe | C:\Users\admin\AppData\Local\Temp\Server.exe | — | taskeng.exe |
User: admin Integrity Level: MEDIUM | ||||
Total events
476
Read events
404
Write events
0
Delete events
0
Modification events
Executable files
3
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3080 | Server.exe | C:\Users\admin\Sistema Operacional.exe | executable | |
MD5:2E68C188283E0A5F4CF3F6983A517366 | SHA256:E59DF8BF66FCEF14D4AEF67B45AC2269977949ECBFFA39DD1FEE47C16A673777 | |||
| 3644 | Sistema Operacional.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sistema32.exe | executable | |
MD5:2E68C188283E0A5F4CF3F6983A517366 | SHA256:E59DF8BF66FCEF14D4AEF67B45AC2269977949ECBFFA39DD1FEE47C16A673777 | |||
| 3644 | Sistema Operacional.exe | C:\Users\admin\AppData\Local\Temp\Server.exe | executable | |
MD5:AFE77FBC5D27614233308B75B329A5EE | SHA256:3D626BF29EBFCC94B2AF1D4224D643FD4EB88F3B2E7EEB2A29B5B507BA8F543D | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
3
DNS requests
1
Threats
0
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 |
|---|---|---|---|---|---|---|
3644 | Sistema Operacional.exe | 192.169.69.25:1177 | googlebaixar.duckdns.org | Wowrack.com | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
googlebaixar.duckdns.org |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3644 | Sistema Operacional.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
3644 | Sistema Operacional.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
3644 | Sistema Operacional.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
3644 | Sistema Operacional.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
6 ETPRO signatures available at the full report