MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1a882b6286b31873397afa50a0447290ba93d30083c823cfa9a2e60bf165356. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e1a882b6286b31873397afa50a0447290ba93d30083c823cfa9a2e60bf165356
SHA3-384 hash: 67ccb5184988ec080dd303ccc0f2e5c38a201f68ae79d9c9fca6db7e4da63394df4cef0db8a5c7a199c59c0b4063caf2
SHA1 hash: 227f88bfd1b2f092304df27785e092e0d1e9e557
MD5 hash: 902ef8393e5474ffd453cef31149289c
humanhash: mexico-solar-charlie-mango
File name:nw6KRW9r.exe
Download: download sample
Signature njrat
Create hunting rule
File size:29'696 bytes
First seen:2020-10-26 16:35:33 UTC
Last seen:2020-10-26 16:35:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 384:g5uDuwI230JaY0FcWw8J2DcObiCfwL8MH175iUqS1FmVDTdZ6z6UiLccUievXeRY:+HwJ30Od8YHtZ1FUTP62jcpzsaC
Threatray 42 similar samples on MalwareBazaar
TLSH 35D2081FBBF28165C0FC05768D25921117B8D1076223EBFF0EE668DA2B636D48B48DE4
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/79431/
Detection(s):
Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Dropper.njRAT-7436651-0
Create hunting rule

Win.Packed.Generic-7672854-0
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %AppData% directory
Creating a process with a hidden window
Creating a window
DNS request
Launching the process to change the firewall settings
Connection attempt to an infection source
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/512638
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)
Detected njRat
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e1a882b6286b31873397afa50a0447290ba93d30083c823cfa9a2e60bf165356/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-10-26 16:39:34 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4guifnrinmyyom4xv6squbchfef2spjqba6ieph2tixgbpywknla._file
Verdict:
malicious
Similar samples:
02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3
njrat
23ee36c32f198966a793d71f9e2f0b4e0b8c1429202f38f2fab3a25c692c5c64
njrat
285b6700d98397dafa08816710eec9724407d49e270245e9a994c5ee8f9a40b4
njrat
34055e32ff75d3b4a7569150b3934dcca63b0af99dc5a3f36a578e47569a6f64
njrat
446145c058e2249da01e0311f3f84fb8402e492d67d9a0606fee671ac09d374b
njrat
535d9ea8428481430462dacdbbe737d35a97ac4ee6ac42f077cf4ab596d4bc84
njrat
8c211b69ddc5c6aa664dd1fcef4d07a068af45d821b7abf2022dfe9d6c268d41
njrat
b034d443d2102e50067ebe86836081c476251abee55df5549afcadc3147fcd2a
njrat
ee922b6d10fed127ef2be15c74e0cdfcc18d4bb7ef8a27c34b3ff34e6c492bd9
njrat
f19a67d1bda5510ca74f5a345ce1dfae91949bdfa6cfec36d4df2bc5f6f08a69
njrat
+ 32 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
evasion persistence trojan family:njrat
Link:
https://tria.ge/reports/201026-cd6272na6n/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Modifies Windows Firewall
njRAT/Bladabindi
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
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.

Web download

njrat

Executable exe e1a882b6286b31873397afa50a0447290ba93d30083c823cfa9a2e60bf165356

(this sample)

  
Link
https://www.virustotal.com/gui/file/e1a882b6286b31873397afa50a0447290ba93d30083c823cfa9a2e60bf165356/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/79431/

Comments