MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a22805bbe73a869fc9240d722d6cfb22c582683918103bda90f3a321756c44d. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a22805bbe73a869fc9240d722d6cfb22c582683918103bda90f3a321756c44d
SHA3-384 hash: ef65d13a9cf370dff24fa7bb2dc9ad16070d1e5ab4a8a7b714d4d95022e5408669c22734fa5f6fee19048f716a35f864
SHA1 hash: 8e88246236d74f41e931e62c0fddee84d57c99dc
MD5 hash: 2f163ce03e0c4ae3be9d17d89327c9a9
humanhash: three-kentucky-magazine-iowa
File name:8ZNzPPpX.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2020-09-25 06:32:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 384:GLl8CT0i91dTe/kCOyU7V2fDODfUn6rAF+rMRTyN/0L+EcoinblneHQM3epzX4Nn:0h71CFU7V267U6rM+rMRa8Nu6Ht
Threatray 65 similar samples on MalwareBazaar
TLSH DB032A4D7FE18168C4FD0A7B06B3D012077AE04B6E23D91E8EF5649A37636C58B54AF2
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/65715/
Detection(s):
Win.Trojan.B-468
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

Win.Packed.Bladabindi-7994427-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Enabling the 'hidden' option for analyzed file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process with a hidden window
Creating a window
DNS request
Connection attempt
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
Enabling autorun by creating a file
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/474734
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)
Creates autostart registry keys with suspicious names
Detected njRat
Drops PE files to the startup folder
Drops PE files with benign system 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
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 289816 Sample: 8ZNzPPpX.exe Startdate: 25/09/2020 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for dropped file 2->48 50 15 other signatures 2->50 8 8ZNzPPpX.exe 1 6 2->8         started        12 svchost.exe 1 1 2->12         started        15 svchost.exe 3 2->15         started        17 5 other processes 2->17 process3 dnsIp4 32 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->32 dropped 34 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 8->34 dropped 36 C:\Users\user\AppData\...\8ZNzPPpX.exe.log, ASCII 8->36 dropped 60 Drops PE files with benign system names 8->60 19 svchost.exe 2 6 8->19         started        42 127.0.0.1 unknown unknown 12->42 file5 signatures6 process7 dnsIp8 38 xSudi121.ddns.net 51.36.212.251, 1177 MTC-KSA-ASSA United Kingdom 19->38 40 192.168.2.1 unknown unknown 19->40 28 C:\...\f774f04ea2950796127d45bdec41466e.exe, PE32 19->28 dropped 30 f774f04ea295079612...exe:Zone.Identifier, ASCII 19->30 dropped 52 Antivirus detection for dropped file 19->52 54 System process connects to network (likely due to code injection or exploit) 19->54 56 Multi AV Scanner detection for dropped file 19->56 58 3 other signatures 19->58 24 netsh.exe 3 19->24         started        file9 signatures10 process11 process12 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2a22805bbe73a869fc9240d722d6cfb22c582683918103bda90f3a321756c44d/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-25 06:34:06 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=firiaw56oougt7esidlsfvwpwiwfqjudsgaqhpnjb45def2wyrgq._file
Verdict:
malicious
Similar samples:
66f7b791ad2fba2a0f3d9730a463b0653f9c336923f23fc3826bc80079538d62
njrat
898ab33196c09c002ad6806ff25b8713522c433f8f36f19d4479eef779e3e451
njrat
a084d297f26b39b4edc89b4ec2c006039240c7b6b97ad030f361047b3cb8c6b8
njrat
a7f0ee005b8d98bc8b67e77aa4a10baca21caf5f9deb7891bacc50f713488dd0
njrat
b354fea791d05973e65997e9ef4b1e32359cdc86b6b5e38e745cbae43516e110
njrat
b3a40e1d85f1e1608acf07414a8dea2730c0de0d824bc6165856b8fe00e8ed3d
njrat
c860daab67ce2cde30c2d82085b7882178e39b17db9a889b7498d872921e4e1f
njrat
da97458433211f9901d8028600bdded7c5a01f1eecebacc488cd02eaa093b5d8
njrat
ed34d4eba0bc7d434f32bb9bca0147632592656ddf0c2aa892fbee54b0850ff1
njrat
ffe8dbc4f815fe713c790a19b5122c79d1de9c817f10edf7d86ca297175ce439
njrat
+ 55 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/200925-rqtly5nn4s/
Unpacked files
SH256 hash:
2a22805bbe73a869fc9240d722d6cfb22c582683918103bda90f3a321756c44d
MD5 hash:
2f163ce03e0c4ae3be9d17d89327c9a9
SHA1 hash:
8e88246236d74f41e931e62c0fddee84d57c99dc
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/c2f96b88-d78d-41ad-8eba-f6d258806e91/
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/2a22805bbe73a869fc9240d722d6cfb22c582683918103bda90f3a321756c44d

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: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 2a22805bbe73a869fc9240d722d6cfb22c582683918103bda90f3a321756c44d

(this sample)

  
Link
https://www.virustotal.com/gui/file/2a22805bbe73a869fc9240d722d6cfb22c582683918103bda90f3a321756c44d/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/65715/

Comments