MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1253331034363bc37bfe3c9b2664ef9ed65dc8422a25e70cba57e03a83e0d3e9. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 1253331034363bc37bfe3c9b2664ef9ed65dc8422a25e70cba57e03a83e0d3e9
SHA3-384 hash: d33c5fe0870f799f4c0923795478f86d17c1a575bef9e508c5b1988ed562f04366c397f0916d6bb9c040b40d54182fb4
SHA1 hash: 6c88f2543dc5d4c8439feceeaa3466aef62e3f60
MD5 hash: 55bc22291034b63b332c705513dbe35d
humanhash: neptune-bakerloo-uncle-jupiter
File name:aQVjq9zM.exe
Download: download sample
Signature njrat
File size:79'872 bytes
First seen:2020-11-30 20:47:20 UTC
Last seen:2020-12-03 21:47:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:KBZ+hVVgDp7S5wpOk3JCK6pFN/j/6fOpd/9nEh9TG1J3R:0QwpOk5CK6UO/9ES1J3
Threatray 11 similar samples on MalwareBazaar
TLSH 3A733A4877F54612E1BF0EB5897292220B75FC036926F76D09D174AA5FB36C08A09FB3
Reporter pmelson
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
4
# of downloads :
356
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the Windows directory
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for recently created files
Creating a window
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Sending a TCP request to an infection source
Enabling a "Do not show hidden files" option
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes the view of files in windows explorer (hidden files and folders)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Drops executables to the windows directory (C:\Windows) and starts them
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
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:
2020-11-30 20:48:10 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Executes dropped EXE
Unpacked files
SH256 hash:
1253331034363bc37bfe3c9b2664ef9ed65dc8422a25e70cba57e03a83e0d3e9
MD5 hash:
55bc22291034b63b332c705513dbe35d
SHA1 hash:
6c88f2543dc5d4c8439feceeaa3466aef62e3f60
Detections:
win_njrat_g1 win_njrat_w1
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:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
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:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:win_njrat_w1
Author:Brian Wallace @botnet_hunter
Description:Identify njRat

File information


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

Web download

njrat

Executable exe 1253331034363bc37bfe3c9b2664ef9ed65dc8422a25e70cba57e03a83e0d3e9

(this sample)

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