MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 881b41427270c8ec9052feba42399bcdb1908957e58f984737361ddf1a7d13e2. 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: 17
| SHA256 hash: | 881b41427270c8ec9052feba42399bcdb1908957e58f984737361ddf1a7d13e2 |
|---|---|
| SHA3-384 hash: | 0cda2a5e41810fc6bcd884d2b62b9d25916a107ebbcd5b1c0aab5794b702a77337d9e275b5bb03a139bab38ce1d4ad6f |
| SHA1 hash: | 7757863119d18269dcdd3216cd79870cc4882ba2 |
| MD5 hash: | 6b54cde88e71a0db80f7dcd96dee09c1 |
| humanhash: | queen-papa-florida-golf |
| File name: | 6B54CDE88E71A0DB80F7DCD96DEE09C1.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 53'248 bytes |
| First seen: | 2025-07-27 14:40:06 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'234 x AgentTesla, 20'488 x Formbook, 12'372 x SnakeKeylogger) |
| ssdeep | 768:kygOPykAELCW97ElOuXShQDQYKu2Iv3sMXAuvA2X8ILl3kBy4S6kesC:kygOqZLWcOuDGu5v8MwznILmByA1sC |
| Threatray | 522 similar samples on MalwareBazaar |
| TLSH | T12733F207AF9CC4BEC055CB3829FB03E7B251ED9275535E2B6F998508DD6328C4E19B22 |
| 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 |
| 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 |
|---|---|
| 35.156.141.157:1337 | https://threatfox.abuse.ch/ioc/1561177/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
140
Origin country :
NLVendor Threat Intelligence
Malware family:
njrat
ID:
1
File name:
6B54CDE88E71A0DB80F7DCD96DEE09C1.exe
Verdict:
Malicious activity
Analysis date:
2025-07-27 14:42:10 UTC
Tags:
auto-reg auto-startup rat njrat bladabindi remote backdoor
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
94.9%
Tags:
bladabindi autorun njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Creating a window
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
njcrypter packed packed
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Malware family:
Mimikatz
Verdict:
Malicious
Result
Threat name:
Njrat
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Found malware configuration
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: New RUN Key Pointing to Suspicious Folder
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.23 Win 32 Exe x86
Verdict:
Malicious
Threat:
Backdoor.MSIL.KeyLogger
Threat name:
Win32.Trojan.Jalapeno
Status:
Malicious
First seen:
2025-07-26 06:40:19 UTC
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 512 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
defense_evasion discovery persistence privilege_escalation
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
Verdict:
Malicious
Tags:
Bladabindi njrat
YARA:
n/a
Unpacked files
SH256 hash:
881b41427270c8ec9052feba42399bcdb1908957e58f984737361ddf1a7d13e2
MD5 hash:
6b54cde88e71a0db80f7dcd96dee09c1
SHA1 hash:
7757863119d18269dcdd3216cd79870cc4882ba2
SH256 hash:
49944be1bddeb859a31944a417156c79c6b4d0c98ea8289a32014812d64e5b9e
MD5 hash:
967becf9a1666eb33f104bf9ad1c55eb
SHA1 hash:
ef3770724371e59bf8b776a991d722d06c88e2bc
Detections:
win_njrat_g1
win_njrat_w1
NjRat
MALWARE_Win_NjRAT
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
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: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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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