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| File name: | 123.exe |
| Full analysis: | https://app.any.run/tasks/72224118-6ee6-42c5-8ce7-099ee3c5a33e |
| 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: | August 08, 2020, 14:20:45 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 2307767FE1E00C6FD30850BDC2B4ABD5 |
| SHA1: | 1E989B81AC6B12187B04D8D11389CC04CB701DA3 |
| SHA256: | F6500D1C9AFB945A5A6A0DD53A4E5E425BE5B28A585650ED9C903F522E6380BC |
| SSDEEP: | 768:Km3km2qD4jCkFyhDKKAoSxUriKew2djJDtwPxO50:73kmlqddKmxUcjJqPM50 |
MALICIOUS
Application was dropped or rewritten from another process
- EZinjector.v2.exe (PID: 1936)
- Server.exe (PID: 1536)
- smss.exe (PID: 1144)
NJRAT was detected
- smss.exe (PID: 1144)
Changes the autorun value in the registry
- smss.exe (PID: 1144)
Writes to a start menu file
- smss.exe (PID: 1144)
SUSPICIOUS
Starts CMD.EXE for commands execution
- EZinjector.v2.exe (PID: 1936)
Executable content was dropped or overwritten
- 123.exe (PID: 972)
- Server.exe (PID: 1536)
- smss.exe (PID: 1144)
Uses NETSH.EXE for network configuration
- smss.exe (PID: 1144)
Creates files in the user directory
- Server.exe (PID: 1536)
- smss.exe (PID: 1144)
Starts itself from another location
- Server.exe (PID: 1536)
Uses TASKKILL.EXE to kill process
- smss.exe (PID: 1144)
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 MS Visual C++ 4.x (75) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (15.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (3.6) |
| .exe | | | Win32 Executable (generic) (2.5) |
| .exe | | | Win16/32 Executable Delphi generic (1.1) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2013:06:15 18:44:28+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 5.12 |
| CodeSize: | 3584 |
| InitializedDataSize: | 35840 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1ae1 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 15-Jun-2013 16:44:28 |
| Detected languages: |
|
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: | 4 |
| Time date stamp: | 15-Jun-2013 16:44:28 |
| 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 | 0x00000C26 | 0x00000E00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.14633 |
.rdata | 0x00002000 | 0x000004C0 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.21236 |
.data | 0x00003000 | 0x0000D6F0 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 1.72555 |
.rsrc | 0x00011000 | 0x00007E78 | 0x00008000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.79565 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 7.77852 | 23574 | Latin 1 / Western European | UNKNOWN | RT_RCDATA |
2 | 7.79474 | 8308 | Latin 1 / Western European | UNKNOWN | RT_RCDATA |
2000 | 1.32958 | 66 | Latin 1 / Western European | English - United States | IMAGE |
4097 | 5.39134 | 155 | Latin 1 / Western European | UNKNOWN | RT_RCDATA |
Imports
kernel32.dll |
shlwapi.dll |
user32.dll |
Total processes
49
Monitored processes
7
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 972 | "C:\Users\admin\AppData\Local\Temp\123.exe" | C:\Users\admin\AppData\Local\Temp\123.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 1536 | "C:\Users\admin\AppData\Local\Temp\Server.exe" | C:\Users\admin\AppData\Local\Temp\Server.exe | 123.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 1936 | "C:\Users\admin\AppData\Local\Temp\EZinjector.v2.exe" | C:\Users\admin\AppData\Local\Temp\EZinjector.v2.exe | — | 123.exe |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 2064 | C:\Windows\system32\cmd.exe /c pause | C:\Windows\system32\cmd.exe | — | EZinjector.v2.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) | ||||
| 1144 | "C:\Users\admin\AppData\Roaming\smss.exe" | C:\Users\admin\AppData\Roaming\smss.exe | Server.exe | |
User: admin Integrity Level: MEDIUM | ||||
| 2224 | netsh firewall add allowedprogram "C:\Users\admin\AppData\Roaming\smss.exe" "smss.exe" ENABLE | C:\Windows\system32\netsh.exe | — | smss.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 1336 | taskkill /F /IM Avast.exe | C:\Windows\system32\taskkill.exe | — | smss.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Terminates Processes Exit code: 128 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
803
Read events
720
Write events
0
Delete events
0
Modification events
Executable files
4
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1144 | smss.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ec7433808746430075be882fd4eeb955.exe | executable | |
MD5:50624235B6ACE153CFED1AFA36C65B70 | SHA256:6A6CDFC3A4A3B0315FCB2D332D0E820A9AE83CD7E19E6382C7CDA4F15534AC5B | |||
| 972 | 123.exe | C:\Users\admin\AppData\Local\Temp\Server.exe | executable | |
MD5:50624235B6ACE153CFED1AFA36C65B70 | SHA256:6A6CDFC3A4A3B0315FCB2D332D0E820A9AE83CD7E19E6382C7CDA4F15534AC5B | |||
| 1536 | Server.exe | C:\Users\admin\AppData\Roaming\smss.exe | executable | |
MD5:50624235B6ACE153CFED1AFA36C65B70 | SHA256:6A6CDFC3A4A3B0315FCB2D332D0E820A9AE83CD7E19E6382C7CDA4F15534AC5B | |||
| 972 | 123.exe | C:\Users\admin\AppData\Local\Temp\EZinjector.v2.exe | executable | |
MD5:E86D0D7009F54FDC6AA2A276878740D9 | SHA256:3F194E54C089C9F96997215F85652D91B8A6F04C144E5D6FBBCC977C6A80724B | |||
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
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 |
|---|---|---|---|---|---|---|
1144 | smss.exe | 87.110.142.214:2288 | winn3r.ddns.net | SIA Lattelecom | LV | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
winn3r.ddns.net |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potentially Bad Traffic | ET POLICY DNS Query to DynDNS Domain *.ddns .net |