MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de73e0e219b3bf5ce085b5190156f703c5ab3bd16bd9f539fb2939fc813693d5. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: de73e0e219b3bf5ce085b5190156f703c5ab3bd16bd9f539fb2939fc813693d5
SHA3-384 hash: 8d16f26dbbcf4f0d3a27f8c567db3b5fd092274ebe419e14fe62e8856ace819d2f293ecde3e368af2a9f4b2d8abc8eb3
SHA1 hash: 6089fe2a35ce565a68d09dc5257861f216840bf1
MD5 hash: aafa1ff2631f836ccd44c4f83ae96235
humanhash: undress-jig-wyoming-undress
File name:tZh82Kcd.exe
Download: download sample
Signature njrat
Create hunting rule
File size:44'032 bytes
First seen:2020-10-29 03:32:20 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:NZyfnQ1STss7yKSPnue6IMpT5S2JG9D9O5UE5QzwBlpJNakkjh/TzF7pWnq6gre3:noQk4smKS/uJVTUAvQO+jS+L
TLSH E613F78CB684E175D5FF8BF0B492B2890B719017A902D30F99F154E98FB3AC09611EE7
Reporter pmelson
Tags:exe NjRAT Njratgold

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80760/
Detection(s):
Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Packed.Generic-7672855-0
Create hunting rule

Win.Packed.njRAT-7672853-1
Create hunting rule

Win.Packed.Msilperseus-9220094-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/515726
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected njRat
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/de73e0e219b3bf5ce085b5190156f703c5ab3bd16bd9f539fb2939fc813693d5/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-10-29 03:33:15 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3zz6byqzwo7vzyefwumqcvxxapc2wo6rnpm7kop3fe47zajwspkq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/201029-f3n982m6ba/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Adds Run key to start application
Drops startup file
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del

File information

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

Web download

njrat

Executable exe de73e0e219b3bf5ce085b5190156f703c5ab3bd16bd9f539fb2939fc813693d5

(this sample)

  
Link
https://www.virustotal.com/gui/file/de73e0e219b3bf5ce085b5190156f703c5ab3bd16bd9f539fb2939fc813693d5/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/80760/

Comments