MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1258cb1b4bcfdebca11f5d3cc00fa19a0bb0a79c4a4bd2c1e6f065a6f3e05e5d. 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: 13
| SHA256 hash: | 1258cb1b4bcfdebca11f5d3cc00fa19a0bb0a79c4a4bd2c1e6f065a6f3e05e5d |
|---|---|
| SHA3-384 hash: | b9c57e376d59eaf8f86a61b84c0be407e97fb78119ae9c9a61de95a216d12ade50f28421e446522871ad92c5fe5a16dd |
| SHA1 hash: | 2f1f9312825d0341f9381b13ed89292181bc7747 |
| MD5 hash: | ef4b574366874aab6cb462cb7e5e0855 |
| humanhash: | london-comet-montana-sierra |
| File name: | ef4b574366874aab6cb462cb7e5e0855.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 44'032 bytes |
| First seen: | 2021-12-24 21:05:58 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 384:xZyzNVxdW/IUyNZEX5QFi9WW2Ezb156lpzYIij+ZsNO3PlpJKkkjh/TzF7pWn3/l:jezxIghNZs5QFi9lZbipuXQ/o23+L |
| Threatray | 141 similar samples on MalwareBazaar |
| TLSH | T1DD13E78DB684E174D5FF8BF1B4A2B2890B71A027A802D30F99F114D94B73EC09611EE7 |
| 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 |
|---|---|
| 3.132.159.158:17171 | https://threatfox.abuse.ch/ioc/285924/ |
| 3.141.177.1:17171 | https://threatfox.abuse.ch/ioc/285925/ |
| 18.189.106.45:17171 | https://threatfox.abuse.ch/ioc/285926/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ef4b574366874aab6cb462cb7e5e0855.exe
Verdict:
Malicious activity
Analysis date:
2021-12-24 21:08:39 UTC
Tags:
trojan rat njrat bladabindi
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
DNS request
Creating a window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm greyware 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.
Malware family:
njRAT
Verdict:
Malicious
Result
Threat name:
njRat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected njRat
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-12-19 01:41:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
27 of 28 (96.43%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 131 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:hacked suricata trojan
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Loads dropped DLL
Executes dropped EXE
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Malware Config
C2 Extraction:
6.tcp.ngrok.io:17171
Unpacked files
SH256 hash:
1258cb1b4bcfdebca11f5d3cc00fa19a0bb0a79c4a4bd2c1e6f065a6f3e05e5d
MD5 hash:
ef4b574366874aab6cb462cb7e5e0855
SHA1 hash:
2f1f9312825d0341f9381b13ed89292181bc7747
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Frauhost
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: | CN_disclosed_20180208_c |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware from disclosed CN malware set |
| Reference: | https://twitter.com/cyberintproject/status/961714165550342146 |
| Rule name: | CN_disclosed_20180208_c_RID2E71 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware from disclosed CN malware set |
| Reference: | https://twitter.com/cyberintproject/status/961714165550342146 |
| Rule name: | Njrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect njRAT in memory |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_LightDefender_Njrat_Rule |
|---|---|
| Author: | Skystars LightDefender |
| Description: | Detects Njrat |
| 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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