MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 efa8cf6765c00f318727086bed949c107f0fdd0a12e05189018f540192155ddb. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
njrat
Vendor detections: 11
| SHA256 hash: | efa8cf6765c00f318727086bed949c107f0fdd0a12e05189018f540192155ddb |
|---|---|
| SHA3-384 hash: | 4f8cbc0afc18a89ae9b1fe26de3f429cddc23f5d233df2fb61f7ab0b6034b620d1321c7cb2a9eca9d232599e58c36f0f |
| SHA1 hash: | d70988e4ef8ee35e97c6e29266733ab1b9c8d7dd |
| MD5 hash: | 5dd9276b9ab06cafca7422d880ec9edd |
| humanhash: | lactose-early-mississippi-ten |
| File name: | 5dd9276b9ab06cafca7422d880ec9edd.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 168'960 bytes |
| First seen: | 2022-09-25 23:10:25 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 3072:ZSDZj/VT68wEDP/i7/0pNgRUYQyOscE8W4+bT7lEVLL9:ZSpyspIUVyffL/b/UP |
| Threatray | 5'908 similar samples on MalwareBazaar |
| TLSH | T134F34A5A778A4B10D5BC1C7190EF553003F1DAC31632F78A2FC86AAD9E122D69E4D7CA |
| TrID | 48.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 20.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 8.6% (.SCR) Windows screen saver (13101/52/3) 6.9% (.EXE) Win64 Executable (generic) (10523/12/4) 4.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) |
| Reporter |  abuse_ch |
| Tags: | exe NjRAT RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 212.174.242.50:6522 | https://threatfox.abuse.ch/ioc/851638/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
307
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling a "Do not show hidden files" option
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm cmd.exe eventvwr.exe keylogger njrat obfuscated packed rat
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
Njrat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Changes the view of files in windows explorer (hidden files and folders)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-09-24 13:55:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 26 (92.31%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 5'898 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Adds Run key to start application
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
efa8cf6765c00f318727086bed949c107f0fdd0a12e05189018f540192155ddb
MD5 hash:
5dd9276b9ab06cafca7422d880ec9edd
SHA1 hash:
d70988e4ef8ee35e97c6e29266733ab1b9c8d7dd
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | AgentTesla |
|---|---|
| Author: | Harish Kumar P |
| Description: | Yara Rule to Detect AgentTesla |
| Rule name: | BAZT_B5_NOCEXInvalidStream |
|---|
| Rule name: | NETDIC208_NOCEX_NOREACTOR |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | RansomwareTest6 |
|---|---|
| Author: | Daoyuan Wu |
| Description: | Test Ransomware YARA rules |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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