MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 87b9a82fa05019692e89dc944a4fe1ab669d1c844abfd509c7e3648a024d4a73. 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: 14
| SHA256 hash: | 87b9a82fa05019692e89dc944a4fe1ab669d1c844abfd509c7e3648a024d4a73 |
|---|---|
| SHA3-384 hash: | fb51325a99c4d8e9489fb79d38097e54b75468e774e2e2d032e6568721b894e6304e8e6472bfeee6b060fde0423bd7c9 |
| SHA1 hash: | bf2886c5bda80c2cc1a1a8d3d270f3e82f3f39b9 |
| MD5 hash: | a20a44e2add8f2ee2434258a20ac815e |
| humanhash: | echo-nuts-florida-romeo |
| File name: | a20a44e2add8f2ee2434258a20ac815e.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 95'232 bytes |
| First seen: | 2021-12-04 23:26:48 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 1536:RUXTr1IDavlZhbSKa9YdjEwzGi1dDyD6gS:RUXSDavlZIXmqi1dk/ |
| Threatray | 84 similar samples on MalwareBazaar |
| TLSH | T11193D84977E96524E0BF56F79871F2404E34B44B1602E3DE48F219AA1A33AC44F85FEB |
| 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 |
|---|---|
| 109.123.118.63:443 | https://threatfox.abuse.ch/ioc/259700/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
352
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a20a44e2add8f2ee2434258a20ac815e.exe
Verdict:
Malicious activity
Analysis date:
2021-12-04 23:30:59 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 window
Creating a file in the %AppData% directory
Creating a process with a hidden window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
DNS request
Launching the process to change the firewall settings
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm fingerprint fingerprint greyware keylogger njrat obfuscated packed rat stealer winnti
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:
spre.troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to spread to USB devices (.Net source)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-12-03 01:34:00 UTC
File Type:
PE (.Net Exe)
AV detection:
39 of 45 (86.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 74 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:hacked evasion suricata
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Windows Firewall
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Malware Config
C2 Extraction:
FRANSESCOTA5LjEyFRANSESCOy4xFRANSESCOTguNjFRANSESCOStrik:NDQz
Unpacked files
SH256 hash:
87b9a82fa05019692e89dc944a4fe1ab669d1c844abfd509c7e3648a024d4a73
MD5 hash:
a20a44e2add8f2ee2434258a20ac815e
SHA1 hash:
bf2886c5bda80c2cc1a1a8d3d270f3e82f3f39b9
Malware family:
njRAT
Verdict:
Malicious
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: | 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: | MALWARE_Win_NjRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects NjRAT / Bladabindi |
| Rule name: | MAL_Winnti_Sample_May18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware sample from Burning Umbrella report - Generic Winnti Rule |
| Reference: | https://401trg.pw/burning-umbrella/ |
| Rule name: | MAL_Winnti_Sample_May18_1_RID3003 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware sample from Burning Umbrella report - Generic Winnti Rule |
| Reference: | https://401trg.pw/burning-umbrella/ |
| Rule name: | Njrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect njRAT in memory |
| Rule name: | pe_imphash |
|---|
| 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.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.