MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31ddfa7fc38acfe4d73b8e927044146f9d4a129ff94e34736743087db398b694. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31ddfa7fc38acfe4d73b8e927044146f9d4a129ff94e34736743087db398b694
SHA3-384 hash: 2a679c46cecfb15914b52057b0754ddc32ea9b69006e681029ecd71f672a6535d5d256e15c0aa3e4f17e446cd8df3018
SHA1 hash: 85ee87e442ba4db2091c15e03d376377d223fff8
MD5 hash: 7fd2aa6fcba6255155c7afb2f976d510
humanhash: asparagus-salami-oxygen-hamper
File name:31ddfa7fc38acfe4d73b8e927044146f9d4a129ff94e34736743087db398b694
Download: download sample
Signature njrat
Create hunting rule
File size:174'592 bytes
First seen:2020-07-06 07:20:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:kYUe3E+LSD0oncRmFsDeP48c40BxdUioT9bu6K1:kjZncRmkj8c4QTh89b
Threatray 358 similar samples on MalwareBazaar
TLSH C104AF325341BE62E53F5BF8E11012106F756423BA52E7ADBFC061E735E73008EA5AA7
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Detection:
njRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/21159/
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a process from a recently created file
Launching the process to change the firewall settings
Enabling autorun with Startup directory
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31ddfa7fc38acfe4d73b8e927044146f9d4a129ff94e34736743087db398b694/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-03 14:40:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gho7u76drlh6jvz3r2jharaun6ouueu77fhdi43himeh3m4yw2ka._file
Verdict:
malicious
Similar samples:
066a9d69cfa4cd160863af9792b3cf63fa8fafb2752d5fc04f96cf68256ec744
njrat
1b96f8cd03f8c2920ec5ea6e1ea5402968e7a148da59e38991890eefbe76a19d
njrat
3a85cb51540571b98adc8edbe330bf0169582553a2c3bdb81171ebb5761ae001
njrat
55b1958cad02798ab8e4c0b112eb874e8e5e33d860038a88be8a5a43fc034ae8
njrat
608c72464a4e7119e194ce6aebd289fcbfd82fc4111fe67514acb1fccb1ff574
njrat
6e22db1834ae73d97439fa86fb6c7ab3c113455373e7d06968e4aaa2c7ef50b0
njrat
7e92197ddb0e07047c78c4965ac68b3edefebdc1bdda6033ac06a1f1585ba335
njrat
86c1f1b4e67bcece57ab2f98a224a3ab4d46e9bdca3abbd64f618bb5e00ac69c
njrat
aa295e2d42302ebe15c2f974208d0201b7fd2de16d4145dec27c0201b9062c55
njrat
cf902bef4285e284b94b032a1636f481cfc64cece90489b6055c7227536bbaa5
njrat
+ 348 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/200706-6t36qgzx62/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetThreadContext
Modifies service
Suspicious use of SetThreadContext
Adds Run entry to start application
Adds Run entry to start application
Drops startup file
Loads dropped DLL
Drops startup file
Modifies Windows Firewall
Executes dropped EXE
Executes dropped EXE
Modifies Windows Firewall
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:RAT_njRat
Create hunting rule
Author:Kevin Breen <kevin@techanarchy.net>
Description:Detects njRAT
Reference:http://malwareconfig.com/stats/njRat
Rule name:win_njrat_w1
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/21159/

Comments