MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf7610bec2416bf141156e8d2b89ef52a2a80fa7b065d717dc9d393be4725206. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf7610bec2416bf141156e8d2b89ef52a2a80fa7b065d717dc9d393be4725206
SHA3-384 hash: f6b49ff8be98a94677b38c718534204acd158e127a7225c67a639578a5ac617f0e614b922bd695610e3d8c302a6ca583
SHA1 hash: 7f97a1fdc05ae19bcb6a2d45c81006c575fe9132
MD5 hash: b4f08716d55e62ffcb02534ba977a94c
humanhash: low-oscar-quiet-maine
File name:tDTZAiSr.exe
Download: download sample
Signature njrat
Create hunting rule
File size:24'064 bytes
First seen:2020-09-25 04:17:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:UQeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZov:75yBVd7RpcnuR
Threatray 364 similar samples on MalwareBazaar
TLSH A7B2094E3FA98856C5AC1774C6B59A5003B491470413EE2FCCC954CBAFB3BD92D48AF9
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/65681/
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.Packed.Bladabindi-6804148-0
Create hunting rule

Win.Packed.Bladabindi-6917466-0
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 process with a hidden window
Creating a window
DNS request
Connection attempt
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/474678
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)
Creates autostart registry keys with suspicious names
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
Protects its processes via BreakOnTermination flag
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: 289787 Sample: tDTZAiSr.exe Startdate: 25/09/2020 Architecture: WINDOWS Score: 100 25 ldh060719.iptime.org 2->25 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 8 other signatures 2->35 8 tDTZAiSr.exe 5 4 2->8         started        12 tDTZAiSr.exe 3 2->12         started        15 tDTZAiSr.exe 2 2->15         started        17 tDTZAiSr.exe 2 2->17         started        signatures3 process4 dnsIp5 27 ldh060719.iptime.org 122.36.209.120, 5552 POWERVIS-AS-KRLGPOWERCOMMKR Korea Republic of 8->27 37 Protects its processes via BreakOnTermination flag 8->37 39 Creates autostart registry keys with suspicious names 8->39 19 netsh.exe 3 8->19         started        23 C:\Users\user\AppData\...\tDTZAiSr.exe.log, ASCII 12->23 dropped file6 signatures7 process8 process9 21 conhost.exe 19->21         started       
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf7610bec2416bf141156e8d2b89ef52a2a80fa7b065d717dc9d393be4725206/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-25 04:18:08 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x53bbpwcifv7cqivn2gsxcppkkrkqd5hwbs5of64tu4txzdskida._file
Verdict:
malicious
Similar samples:
1e77593073ce7c57226c55e20d5ca2e09c84c86a083a9d56b3dd1bb732305683
njrat
46fa7b3768b1f91187f59fb97a88e1efbbe603dc88419c73da07c627e9d57f74
njrat
4f7ee2b1be709d2dfcfb894323ac4b6a3f3b0482c646d49b051769a6e3785239
njrat
69bc3e840c7aeb2c0eaa156a23c7717fb2352c7a4e1a28deedfbc25b79b27b82
njrat
7a8ef2bd1c4b9d15c7f174544a01feb7709164a23e748f9a0f769774243648e7
njrat
bbbd41df9ee8363af5927a1b8f8b6d373edc69b34069c3a1ff0e5696138a290d
njrat
bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689
njrat
c96d7a2be148621094eb933be12d8c2bda0ae6f8f7c51dcbeca6ccd2b78ad4c7
njrat
e1c12e80d4fe90ebf246356de9336ba64ce4263eaf2525c27412d534b8a89b29
njrat
f4ae0a96fe157d059c62d52e5934283f6055e822451db81a0bb9f646e98dc310
njrat
+ 354 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
persistence trojan family:njrat evasion
Link:
https://tria.ge/reports/200925-r8dkwdzlqn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Adds Run key to start application
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
bf7610bec2416bf141156e8d2b89ef52a2a80fa7b065d717dc9d393be4725206
MD5 hash:
b4f08716d55e62ffcb02534ba977a94c
SHA1 hash:
7f97a1fdc05ae19bcb6a2d45c81006c575fe9132
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/2964dd1b-9534-48a9-888b-d6246af236ab/
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/bf7610bec2416bf141156e8d2b89ef52a2a80fa7b065d717dc9d393be4725206

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: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 bf7610bec2416bf141156e8d2b89ef52a2a80fa7b065d717dc9d393be4725206

(this sample)

  
Link
https://www.virustotal.com/gui/file/bf7610bec2416bf141156e8d2b89ef52a2a80fa7b065d717dc9d393be4725206/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/65681/

Comments