MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a9c4a2828547eff1db7893d85c83cffdaee2d49404074468d45615b02728cd91. 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: 16
| SHA256 hash: | a9c4a2828547eff1db7893d85c83cffdaee2d49404074468d45615b02728cd91 |
|---|---|
| SHA3-384 hash: | f62c811476592954cc3ab23727e8fda0181a09a986b39df53252cec0cc278fd1ce4cc50969a0723aff472c22ad433595 |
| SHA1 hash: | 9d3df7b89fcb1d06ca250c4cf0862472a46d143a |
| MD5 hash: | 2c39013e4be8963549494bb838bf05b9 |
| humanhash: | monkey-angel-cat-lactose |
| File name: | 2c39013e4be8963549494bb838bf05b9.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 1'266'176 bytes |
| First seen: | 2025-05-21 22:10:19 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:Uf7/t98LZ4MUDa06IijAGbKqPBgoe4fLYwLcf:Ijr8LZ4D45jAApfecYKc |
| Threatray | 1 similar samples on MalwareBazaar |
| TLSH | T1DE45ECA1BA22AADECA2316B2574D55784C64DE36FD873129C34993FC37724827E844F3 |
| TrID | 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10522/11/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Magika | pebin |
| dhash icon | f0ccd69acae6dce0 (1 x njrat) |
| 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 |
|---|---|
| 3.8.141.103:5050 | https://threatfox.abuse.ch/ioc/1531792/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
528
Origin country :
NLVendor Threat Intelligence
Malware family:
njrat
ID:
1
File name:
2c39013e4be8963549494bb838bf05b9.exe
Verdict:
Malicious activity
Analysis date:
2025-05-21 22:13:43 UTC
Tags:
rat njrat bladabindi remote backdoor
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
96.5%
Tags:
bladabindi asyncrat njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a window
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
asyncrat base64 obfuscated obfuscated packed packed packer_detected vbnet xtremerat
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Malware family:
njRAT
Verdict:
Malicious
Result
Threat name:
Njrat
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Njrat
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-05-19 16:25:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
23 of 24 (95.83%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
njrat
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:nyan cat discovery trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
ronymahmoud.casacam.net:5050
Unpacked files
SH256 hash:
a9c4a2828547eff1db7893d85c83cffdaee2d49404074468d45615b02728cd91
MD5 hash:
2c39013e4be8963549494bb838bf05b9
SHA1 hash:
9d3df7b89fcb1d06ca250c4cf0862472a46d143a
SH256 hash:
c56b467c67f1118523b3fb7b913f4be91f328eab396125f89d834c79b294ebe8
MD5 hash:
2217224e4853c8b9610fe398606edf7b
SHA1 hash:
8f2164f91671043f475788539035f2511671016c
Detections:
win_njrat
win_njrat_bytecodes_V2_oct_2023
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| 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.
No further information available
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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