MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f0e5aa77c0e9894c311e8ba4daadeeb5d8b7a6f583cf087a5c90547cfe54708. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f0e5aa77c0e9894c311e8ba4daadeeb5d8b7a6f583cf087a5c90547cfe54708
SHA3-384 hash: e465d3ad55b22b16eee565afca4b2c0af214e5c183ea87dd5169bcf10f68dcdc7f183ded3701d263e556bed761cdd432
SHA1 hash: e94b0d6a1618eaa3a48c57a48cd60c93dfbcb52e
MD5 hash: 738b57caba3eb8e9e213e74d7bff5f9d
humanhash: seven-gee-spaghetti-football
File name:Winver.exe
Download: download sample
Signature njrat
Create hunting rule
File size:56'832 bytes
First seen:2021-07-21 08:21:00 UTC
Last seen:2021-07-21 09:20:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:w0KylPxh50U17qDyGXC3SJhMQqNRgU+HTEU3SuS3:w0KyFxh6fY3SJhM1NRgdHIU3SuS3
Threatray 96 similar samples on MalwareBazaar
TLSH T1D643FEE4EAA702ADD6ECEB7A4C92F5F80A734163DCC1632DD44D4642F8A319687C6C47
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Winver.exe
Verdict:
Malicious activity
Analysis date:
2021-07-21 08:27:32 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/b108fd86-c270-4457-be05-232e0af132bf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/172945/
Detection(s):
SecuriteInfo.com.BackDoor.BladabindiNET.24.16522.13247.UNOFFICIAL
Create hunting rule

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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ade58567-9736-4fa7-bf4d-e882f463a8d6
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/819384
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f0e5aa77c0e9894c311e8ba4daadeeb5d8b7a6f583cf087a5c90547cfe54708/
Threat name:
ByteCode-MSIL.Trojan.Razy
Create hunting rule
Status:
Malicious
First seen:
2021-07-21 06:48:49 UTC
File Type:
PE (.Net Exe)
AV detection:
26 of 46 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4hfvj34b2mjjqyr5c5e3kw65noyw6tpla6pbb5fzecupt7fi4ea._file
Verdict:
unknown
Similar samples:
02396054ed09a34828f820df36f2e639267396b9fe583a003d7c23652b7b0833
njrat
3420bb201817ff2ceb811a81d43faf881e961ca1a0e6d578ffaab466ab22c9f4
njrat
7bde07b970c9468b9dd913250b68d1dbd699613d2eaf5bebd8ec2d121f2210d0
njrat
91d062fc6fde3f8556d176477609cc5760f50b97cedb7d913d2e0fdde4394982
njrat
9c8b6744a1207e4af311e453d52170e0fe4f307167e27ddb92b5e05befeb94c6
njrat
a5ae2e0f9a8f1c50e21ea93f4a195097753cd16436ffa4e946add38da873c8cb
njrat
b0eeb379c674f6caf454b18af219a5916889a33fddf5b7826c4d981a232d043d
njrat
dd0b7df83d754a6879f4b0ef8297c60844ea63804e4252ddba019d5b5f1423e7
njrat
dfc8695620f709882f755cd5141b37772b05ce4e2bd9a677e94ff25ad0cbb554
njrat
e63cc99dd10607d568a428f192577a19a915e284592ce1bd135d18576596977c
njrat
+ 86 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/210721-b9mh9jyj5n/
Behaviour
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
4f0e5aa77c0e9894c311e8ba4daadeeb5d8b7a6f583cf087a5c90547cfe54708
MD5 hash:
738b57caba3eb8e9e213e74d7bff5f9d
SHA1 hash:
e94b0d6a1618eaa3a48c57a48cd60c93dfbcb52e
Link:
https://www.unpac.me/results/8aad4db8-404d-442a-b01f-17d5540e72ba/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/4f0e5aa77c0e9894c311e8ba4daadeeb5d8b7a6f583cf087a5c90547cfe54708

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

njrat

Executable exe 4f0e5aa77c0e9894c311e8ba4daadeeb5d8b7a6f583cf087a5c90547cfe54708

(this sample)

  
X
https://twitter.com/ReBensk/status/1417718897793404928?s=20
  
URLhaus
https://urlhaus.abuse.ch/url/1470370/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/172945/
  
URLhaus
https://urlhaus.abuse.ch/url/1471117/

Comments