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| File name: | Server4124.exe |
| Full analysis: | https://app.any.run/tasks/266830c7-b993-48a0-95b7-482576e23f22 |
| 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: | April 01, 2023, 19:16:41 |
| 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: | 7916D3B546E2869E6A9DF8FB74D30E0D |
| SHA1: | 8236298FE5B8E9FA968E8610797C234E81E40474 |
| SHA256: | 8D9F270ECF4DBAAE87404470BF751A18A43AFDE82234D31367DD3F90E389826E |
| SSDEEP: | 768:KY33UnD9O/pBcxYsbae6GIXb9pDX2t98PL0OXLeuXxrjEtCdnl2pi1Rz4Rk3usGA:lUxOx6baIa9RZj00ljEwzGi1dDKDqgS |
MALICIOUS
NJRAT detected by memory dumps
- Server4124.exe (PID: 2668)
SUSPICIOUS
Uses NETSH.EXE to add a firewall rule or allowed programs
- Server4124.exe (PID: 2668)
INFO
The process checks LSA protection
- Server4124.exe (PID: 2668)
- netsh.exe (PID: 2404)
Reads the machine GUID from the registry
- Server4124.exe (PID: 2668)
Checks supported languages
- Server4124.exe (PID: 2668)
Reads the computer name
- Server4124.exe (PID: 2668)
Create files in a temporary directory
- Server4124.exe (PID: 2668)
Creates files or folders in the user directory
- Server4124.exe (PID: 2668)
Reads Environment values
- Server4124.exe (PID: 2668)
[YARA] Firewall manipulation strings were found
- Server4124.exe (PID: 2668)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
NjRat
(PID) Process(2668) Server4124.exe
Version0.7d
Options
Splitter|'|'|
Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\3ce8ecc8a25fd556dfc92b508ebf7987
BotnetHacKed
Ports25565
C2127.0.0.1
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0x18efe |
| UninitializedDataSize: | - |
| InitializedDataSize: | 512 |
| CodeSize: | 94208 |
| LinkerVersion: | 8 |
| PEType: | PE32 |
| ImageFileCharacteristics: | Executable, 32-bit |
| TimeStamp: | 2023:04:01 18:57:01+00:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 01-Apr-2023 18:57:01 |
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: | 2 |
| Time date stamp: | 01-Apr-2023 18:57:01 |
| 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 | 0x00016F04 | 0x00017000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.59417 |
.reloc | 0x0001A000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0815394 |
Imports
mscoree.dll |
Total processes
37
Monitored processes
2
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2668 | "C:\Users\admin\AppData\Local\Temp\Server4124.exe" | C:\Users\admin\AppData\Local\Temp\Server4124.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
NjRat(PID) Process(2668) Server4124.exe Version0.7d Options Splitter|'|'| Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\3ce8ecc8a25fd556dfc92b508ebf7987 BotnetHacKed Ports25565 C2127.0.0.1 | |||||||||||||||
| 2404 | netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\Server4124.exe" "Server4124.exe" ENABLE | C:\Windows\System32\netsh.exe | — | Server4124.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
1 630
Read events
1 538
Write events
92
Delete events
0
Modification events
| (PID) Process: | (2404) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
Executable files
0
Suspicious files
0
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2668 | Server4124.exe | C:\Users\admin\AppData\Roaming\app | text | |
MD5:4D853D9C7197EE7FA81C6535B1F7D655 | SHA256:5ABDB6175F820F0AC3D8647FBB1F7A0BCC91757A782A8A145570944CA6A00C96 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report