MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9896e2dcaf28cc3945b4756d02dd0783a498e2b44559997ffa4fb1d413260ed1. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9896e2dcaf28cc3945b4756d02dd0783a498e2b44559997ffa4fb1d413260ed1
SHA3-384 hash: 3b21f6f35fe329fee72daec4a75da75d98a19b3529890ddd367e6eb25fc05bb4ec6f3938c0b2f429b8a48ce52350bed1
SHA1 hash: f2e4049bffde1e4788fffa8484f6c8ef65369caa
MD5 hash: 841173e792668e2b6be9be3d324f9cb6
humanhash: fanta-potato-mockingbird-edward
File name:29aTvJiR.exe
Download: download sample
Signature njrat
Create hunting rule
File size:44'032 bytes
First seen:2020-10-07 12:17:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:lZyF8P9mvYyJy6vnbfLiKSMewzGeLXl9D9O5UE5QzwBlpJNakkjh/TzF7pWnxtSd:v68PYghGbjt/itvQO+4tK+L
Threatray 24 similar samples on MalwareBazaar
TLSH 6813F88CB684A174D5FF8BF1A491B2890B719057A906D30FD9F114ED8FB3AC09A11EE7
Reporter pmelson
Tags:exe NjRAT Njratgold

Intelligence

File Origin
# of uploads :
1
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/68943/
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
Launching a process
Creating a process with a hidden window
Enabling the 'hidden' option for files in the %temp% directory
Creating a window
Unauthorized injection to a recently created process
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/484128
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
Protects its processes via BreakOnTermination flag
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 294515 Sample: 29aTvJiR.exe Startdate: 07/10/2020 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for dropped file 2->41 43 8 other signatures 2->43 8 29aTvJiR.exe 1 5 2->8         started        11 Server.exe 3 2->11         started        14 Java update.exe 3 2->14         started        16 Server.exe 2 2->16         started        process3 file4 31 C:\Users\user\AppData\Local\...\Dllhost.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\...\29aTvJiR.exe.log, ASCII 8->33 dropped 18 Dllhost.exe 1 6 8->18         started        53 Antivirus detection for dropped file 11->53 55 Machine Learning detection for dropped file 11->55 signatures5 process6 dnsIp7 35 fackyou.myq-see.com 91.109.188.8, 1177, 49733 IELOIELOMainNetworkFR France 18->35 27 C:\Users\user\AppData\...\Java update.exe, PE32 18->27 dropped 29 C:\Users\user\AppData\Local\Temp\Server.exe, PE32 18->29 dropped 45 Antivirus detection for dropped file 18->45 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Multi AV Scanner detection for dropped file 18->49 51 3 other signatures 18->51 23 schtasks.exe 1 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9896e2dcaf28cc3945b4756d02dd0783a498e2b44559997ffa4fb1d413260ed1/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-10-07 12:19:05 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tclofxfpfdgdsrnuovwqfxihqosjryvuivmzs772j6y5iezgb3iq._file
Verdict:
malicious
Similar samples:
04a4d40515b77903bb9472b01aaf951f059236999665e847a660ed99d929b78b
njrat
20aa773ce4d4e0709faeba02937cc789c114e726f6336c1dcd6c206f00514af2
njrat
28f39e656758b6c40db049e40bbfe958a7a20a754ea6531ccca3e4fdb8dcc66a
njrat
9ae3d2baf3c382b46b56e3e50547bd83bd1d6cc85f82aadaf2281a1b404e5fa0
njrat
b3ea819ddfabf3e2060d9f8116e0952654d5bcdb5716f84ad142a6ab979b521a
njrat
c2a645b457a4ba814aa0c116f2a501176531ce29d32a695c45c5022d6aabb271
njrat
c6d93ae492f6a2b687c64cc388cf0a483f44428b843c5b384c156f018a2cf63c
njrat
e2136c8268bb5be4fe2a295a9bb9250c00437452cd3d65822290e3a68b1fb94b
njrat
eb086d6c54841616485b2ad99ed2e2e2ebc21f01e6c5a58611ac914f70b5042f
njrat
f38a18da44181fc1eb7c5a2d8e323491506ad5141cf7e49545712963e0a1a4d9
njrat
+ 14 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201007-se5h8719k6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops startup file
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
9896e2dcaf28cc3945b4756d02dd0783a498e2b44559997ffa4fb1d413260ed1
MD5 hash:
841173e792668e2b6be9be3d324f9cb6
SHA1 hash:
f2e4049bffde1e4788fffa8484f6c8ef65369caa
Link:
https://www.unpac.me/results/27de51e0-4355-40a5-9b56-8d77419af100/
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/9896e2dcaf28cc3945b4756d02dd0783a498e2b44559997ffa4fb1d413260ed1

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

File information

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

Web download

njrat

Executable exe 9896e2dcaf28cc3945b4756d02dd0783a498e2b44559997ffa4fb1d413260ed1

(this sample)

  
Link
https://www.virustotal.com/gui/file/9896e2dcaf28cc3945b4756d02dd0783a498e2b44559997ffa4fb1d413260ed1/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/68943/

Comments