MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4c3db556f3786d1841ce9b01a2e6505855fadb00287290b1e7bdfe5b8c11174. 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: b4c3db556f3786d1841ce9b01a2e6505855fadb00287290b1e7bdfe5b8c11174
SHA3-384 hash: c347e5863e31d15168d35be6e6bdffd589fc1a073a8d743e30b5103182463d14159dbbf56ea852930b79fdf73f28bf32
SHA1 hash: b08dd095fc971487aea32944a6a1461f6eb5fcc6
MD5 hash: 3be96d9ee415eca946ee30287ac19a68
humanhash: winner-muppet-hydrogen-fifteen
File name:cdsjnhuiiiiiiiiiii.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'768 bytes
First seen:2021-05-06 14:10:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:B0bUe5XB4e0XYOhbw0Q0mS03AWTxtTUFQqzFDObb9:aT9BuPC55dxb9
Threatray 90 similar samples on MalwareBazaar
TLSH 3EE207067BE94215C6BC1AFC8CB313214772E3838532EB6F5CDC98CA4B676D04655AED
Reporter starsSk87264403
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/151676/
Detection(s):
Win.Packed.njRAT-7445143-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Sending a UDP request
Sending a TCP request to an infection source
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.
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/716406
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4c3db556f3786d1841ce9b01a2e6505855fadb00287290b1e7bdfe5b8c11174/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-05-04 03:08:09 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtb5wvlpg6dndba45gybultfawcv7lnqakdsscy6ppp6logbcf2a._file
Verdict:
unknown
Similar samples:
3dc8c608af3e6e6aec80dbed90a2565121bf097ae71071ce1d1fc4ecc3d8f39a
njrat
7bde07b970c9468b9dd913250b68d1dbd699613d2eaf5bebd8ec2d121f2210d0
njrat
899bb9a7cbead03d1f6be39d2798cd9c8075be00a3001411e13bb5f20c8a9364
njrat
9331d92038a7c3ee89dbdb00d6334250f3e6913f01d393503a69d8b7f2fe4c5b
njrat
9c8b6744a1207e4af311e453d52170e0fe4f307167e27ddb92b5e05befeb94c6
njrat
ace9061016c4f94d193e0d4bf3804c81aa2ea2601085cfa410259e1bdc9a92cc
njrat
b0eeb379c674f6caf454b18af219a5916889a33fddf5b7826c4d981a232d043d
njrat
c2931b181d6fcb3828b626445aed2cc0def707434bd33339d4cc654d39ad39f2
njrat
e63cc99dd10607d568a428f192577a19a915e284592ce1bd135d18576596977c
njrat
f629dd8d10e01d5989c5fd0061ff35ac57928b2084f7d65ef1ea5c91cb8526ae
njrat
+ 80 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/210506-y35v8wdbfa/
Behaviour
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
b4c3db556f3786d1841ce9b01a2e6505855fadb00287290b1e7bdfe5b8c11174
MD5 hash:
3be96d9ee415eca946ee30287ac19a68
SHA1 hash:
b08dd095fc971487aea32944a6a1461f6eb5fcc6
Link:
https://www.unpac.me/results/df8e5b12-052d-43e2-b1ee-e02ebee1aedb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b4c3db556f3786d1841ce9b01a2e6505855fadb00287290b1e7bdfe5b8c11174

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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:pe_imphash
Create hunting rule

File information

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

Web download

njrat

Executable exe b4c3db556f3786d1841ce9b01a2e6505855fadb00287290b1e7bdfe5b8c11174

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1194946/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/151676/

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