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| File name: | explorer.exe |
| Full analysis: | https://app.any.run/tasks/bd16d8f8-6579-4192-959e-d903b594ad09 |
| 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: | March 22, 2019, 05:55:05 |
| 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: | 8AD4ADED0242C60693F67CEEBCAD1A47 |
| SHA1: | AB3A56FA5569CC3B3A2C38426A9BBE04E3EC80FB |
| SHA256: | 874170CD8434A7E2BAEF16ED921D9787A5E6EA185F742DA481E3E6671F080E97 |
| SSDEEP: | 3072:Vmr5SmGBcGIedrlyDEZxPSomoFY03xqGmI:0H2cGIuVXP3FYIxqPI |
MALICIOUS
Changes the autorun value in the registry
- explorer.exe (PID: 2448)
NJRAT was detected
- explorer.exe (PID: 2448)
SUSPICIOUS
Creates files in the user directory
- explorer.exe (PID: 1980)
Starts itself from another location
- explorer.exe (PID: 1980)
Executable content was dropped or overwritten
- explorer.exe (PID: 1980)
Creates executable files which already exist in Windows
- explorer.exe (PID: 1980)
Uses NETSH.EXE for network configuration
- explorer.exe (PID: 2448)
Connects to unusual port
- explorer.exe (PID: 2448)
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.) (81) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (7.2) |
| .exe | | | Win32 Executable (generic) (4.9) |
| .exe | | | Win16/32 Executable Delphi generic (2.2) |
| .exe | | | Generic Win/DOS Executable (2.2) |
EXIF
EXE
| AssemblyVersion: | 6.7.7600.16385 |
|---|---|
| ProductVersion: | 6.1.7600.16385 |
| ProductName: | Intel(R) Common Users Interface |
| OriginalFileName: | explorer.exe |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| InternalName: | explorer.exe |
| FileVersion: | 6.1.7600.16385 |
| FileDescription: | Windows Explorer |
| CompanyName: | Intel Corporation |
| Comments: | Windows Explorer |
| CharacterSet: | Unicode |
| LanguageCode: | Neutral |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 6.1.7600.16385 |
| FileVersionNumber: | 6.1.7600.16385 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0xe7ce |
| UninitializedDataSize: | - |
| InitializedDataSize: | 102912 |
| CodeSize: | 51200 |
| LinkerVersion: | 11 |
| PEType: | PE32 |
| TimeStamp: | 2019:01:27 16:41:59+01:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 27-Jan-2019 15:41:59 |
| Debug artifacts: |
|
| Comments: | Windows Explorer |
| CompanyName: | Intel Corporation |
| FileDescription: | Windows Explorer |
| FileVersion: | 6.1.7600.16385 |
| InternalName: | explorer.exe |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| OriginalFilename: | explorer.exe |
| ProductName: | Intel(R) Common Users Interface |
| ProductVersion: | 6.1.7600.16385 |
| Assembly Version: | 6.7.7600.16385 |
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: | 27-Jan-2019 15:41:59 |
| 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 | 0x0000C7D4 | 0x0000C800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.67349 |
.sdata | 0x00010000 | 0x00000138 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.16612 |
.rsrc | 0x00012000 | 0x00018DB8 | 0x00018E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.65835 |
.reloc | 0x0002C000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0815394 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.94474 | 2259 | UNKNOWN | UNKNOWN | RT_MANIFEST |
2 | 4.42983 | 872 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 4.59315 | 1864 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 4.64304 | 3240 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 4.563 | 7336 | UNKNOWN | UNKNOWN | RT_ICON |
6 | 4.54617 | 28840 | UNKNOWN | UNKNOWN | RT_ICON |
7 | 5.34335 | 1128 | UNKNOWN | UNKNOWN | RT_ICON |
8 | 5.15665 | 2440 | UNKNOWN | UNKNOWN | RT_ICON |
9 | 4.95285 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
10 | 4.65894 | 9640 | UNKNOWN | UNKNOWN | RT_ICON |
Imports
mscoree.dll |
Total processes
33
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 1980 | "C:\Users\admin\AppData\Local\Temp\explorer.exe" | C:\Users\admin\AppData\Local\Temp\explorer.exe | explorer.exe | |
User: admin Company: Intel Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 0 Version: 6.1.7600.16385 | ||||
| 2448 | "C:\Users\admin\AppData\Roaming\explorer.exe" | C:\Users\admin\AppData\Roaming\explorer.exe | explorer.exe | |
User: admin Company: Intel Corporation Integrity Level: MEDIUM Description: Windows Explorer Version: 6.1.7600.16385 | ||||
| 1960 | netsh firewall add allowedprogram "C:\Users\admin\AppData\Roaming\explorer.exe" "explorer.exe" ENABLE | C:\Windows\system32\netsh.exe | — | explorer.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) | ||||
Total events
633
Read events
391
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1980 | explorer.exe | C:\Users\admin\AppData\Roaming\explorer.exe | executable | |
MD5:8AD4ADED0242C60693F67CEEBCAD1A47 | SHA256:874170CD8434A7E2BAEF16ED921D9787A5E6EA185F742DA481E3E6671F080E97 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
42
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 |
|---|---|---|---|---|---|---|
2448 | explorer.exe | 38.141.46.20:5555 | shop.goldenshoponline.us | Cogent Communications | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
shop.goldenshoponline.us |
| malicious |