MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72186f2bd535a54efe912025ee41ff582ea5eeeb08709988e7e89e3822dbf391. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 72186f2bd535a54efe912025ee41ff582ea5eeeb08709988e7e89e3822dbf391
SHA3-384 hash: c5a76dbacdb961acd74e75dc32ff5d44a958004b382e04b2acbfeabe4c7de1c0ae6b28cf42a4a743410c4394da87f942
SHA1 hash: 8b075fb1a270f09e38ea3af22c74cbfb08f7ea32
MD5 hash: ef639f4a3dc9459b09c6d3b553bd421c
humanhash: charlie-illinois-uniform-delta
File name:EAQAQPqa.exe
Download: download sample
Signature njrat
Create hunting rule
File size:32'768 bytes
First seen:2020-10-24 12:02:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:7ZLH7D7UtkcwEuvmpjVPArBnTihdzhWOc1WZrfCPsi2V7LSnhoEkLDOHYCFXPzl8:7pH7D7Uttkm7P9SUpV/XmF7o715
Threatray 376 similar samples on MalwareBazaar
TLSH B9E2E70537AA4703C66D13B9086647164BF1CE83453BFB5F4CD9B4EA2E7B7808E416AB
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/75202/
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.Dropper.njRAT-7436651-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Sending a TCP request to an infection source
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/508623
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
Contains functionality to log keystrokes (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Creates autostart registry keys with suspicious names
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
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)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 303429 Sample: EAQAQPqa.exe Startdate: 24/10/2020 Architecture: WINDOWS Score: 100 28 infoupdates.sytes.net 2->28 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Multi AV Scanner detection for domain / URL 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 10 other signatures 2->40 9 EAQAQPqa.exe 3 5 2->9         started        12 server.exe 1 3 2->12         started        14 server.exe 2 2->14         started        16 server.exe 2 2->16         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\Temp\server.exe, PE32 9->26 dropped 18 server.exe 5 5 9->18         started        process6 dnsIp7 30 thec0de-22249.portmap.io 193.161.193.99, 22249, 49720, 49736 BITREE-ASRU Russian Federation 18->30 32 infoupdates.sytes.net 18->32 42 Antivirus detection for dropped file 18->42 44 Multi AV Scanner detection for dropped file 18->44 46 Machine Learning detection for dropped file 18->46 48 Creates autostart registry keys with suspicious names 18->48 22 netsh.exe 1 3 18->22         started        signatures8 process9 process10 24 conhost.exe 22->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/72186f2bd535a54efe912025ee41ff582ea5eeeb08709988e7e89e3822dbf391/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-10-24 12:04:04 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oimg6k6vgwsu57ureas64qp7laxkl3xlbbyjtchh5cpdqiw36oiq._file
Verdict:
malicious
Similar samples:
0be50f5dccff35823a1735e676485141e3194cd4027cc0518c86f743284dce44
njrat
14ba5f94a671a38e16b5166ebca44ddacd6fde3226015676f9c369c992b5d2f8
njrat
2b942243439c92b4921032a08567d76c0baff766661083fe8f6a9ab66966926d
njrat
5691aaf1f0f061589f0b1e28b72f25fdd63016ee069156c85cacbe5463cf9dbc
njrat
57f4cadd94e18ec3e75d0c0ea8492356410a0227d1319b3d4b7af670f5a82aff
njrat
9a0b8d04aac91f001774fb5c66bc9ad34dcbf1bdddfa487979b513d8e2c23fe4
njrat
af21243da675a515c8e2ca9d00b5628c1201125b1a29d46a9df0cb0b63769942
njrat
b2a9afcf53b4804d0d6b525b0480c1e01f72a151c536d2436e1ae2017d7bcccb
njrat
c49196fbcc615b4145c095b26fd716cb4540b0b7a58693eaa987ebc485e20865
njrat
f2292fec01b4672cf1bd05d2022e7ab814c53378e900cf7679b3917fe317965b
njrat
+ 366 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/201024-8mh3jk4f4x/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Modifies service
Adds Run key to start application
Loads dropped DLL
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
72186f2bd535a54efe912025ee41ff582ea5eeeb08709988e7e89e3822dbf391
MD5 hash:
ef639f4a3dc9459b09c6d3b553bd421c
SHA1 hash:
8b075fb1a270f09e38ea3af22c74cbfb08f7ea32
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/326f9b22-2883-434f-ae5b-616856439861/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/72186f2bd535a54efe912025ee41ff582ea5eeeb08709988e7e89e3822dbf391

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 72186f2bd535a54efe912025ee41ff582ea5eeeb08709988e7e89e3822dbf391

(this sample)

  
Link
https://www.virustotal.com/gui/file/72186f2bd535a54efe912025ee41ff582ea5eeeb08709988e7e89e3822dbf391/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/75202/

Comments