MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 319b6b852006b89fe1aca8715cd3720e9a15ca2176ea256b9fd93557130d4e79. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 319b6b852006b89fe1aca8715cd3720e9a15ca2176ea256b9fd93557130d4e79
SHA3-384 hash: 3807b7ac9274029148e36626f33da3eb6fb68155ffeb09d9a6bc1b5973bc9a935b5c0275de0cccaa15c4dc97df0d9be4
SHA1 hash: 7a415bd12d860aaf3549feae624c63f82e7a553f
MD5 hash: 47b320e00bece91f878ea9ba3250ac43
humanhash: finch-island-queen-august
File name:Win defender.exe
Download: download sample
Signature njrat
Create hunting rule
File size:144'384 bytes
First seen:2021-07-21 08:20:54 UTC
Last seen:2021-07-21 09:20:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:DZK7SZ0WKOUngWRdaD48Fn2U1wDPIlwKbpogTJw:DMy0TOUngWX+b1wDPIlwKbpogTJ
TLSH T1AFE3629C766072DFC85BC876DEA82C68EA50747B931B9203A45316EDDE0D99BCF140F2
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Win defender.exe
Verdict:
No threats detected
Analysis date:
2021-07-21 08:25:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f7f7e171-6acc-42c6-8bb7-bd80486fabb4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/172944/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.46657454.10457.21877.UNOFFICIAL
Create hunting rule

Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e64b2f85-ab29-4cf8-aeaa-9599ea3243c5
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/819385
Signature
Drops PE files with benign system names
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 451796 Sample: Win defender.exe Startdate: 21/07/2021 Architecture: WINDOWS Score: 88 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Njrat 2->38 40 4 other signatures 2->40 8 note.exe 2 2->8         started        11 Win defender.exe 3 8 2->11         started        15 note.exe 1 2->15         started        process3 dnsIp4 42 Multi AV Scanner detection for dropped file 8->42 17 svchost.exe 3 8->17         started        30 ant-ec.duckdns.org 46.246.84.12, 2054, 49738 PORTLANEwwwportlanecomSE Sweden 11->30 26 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 11->26 dropped 28 C:\Users\user\AppData\Roaming\note.exe, PE32+ 11->28 dropped 20 svchost.exe 1 15->20         started        file5 signatures6 process7 signatures8 32 Multi AV Scanner detection for dropped file 17->32 22 note.exe 1 17->22         started        process9 process10 24 svchost.exe 22->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/319b6b852006b89fe1aca8715cd3720e9a15ca2176ea256b9fd93557130d4e79/
Threat name:
ByteCode-MSIL.Infostealer.Racealer
Create hunting rule
Status:
Malicious
First seen:
2021-07-16 20:08:11 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ggnwxbjaa24j7ynmvbyvzu3sb2nblsrbo3vck2473e2voeynjz4q._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  9/10
Tags:
persistence
Link:
https://tria.ge/reports/210721-p23q2b8rxs/
Behaviour
Suspicious use of AdjustPrivilegeToken
Adds Run key to start application
Core1 .NET packer
Unpacked files
SH256 hash:
319b6b852006b89fe1aca8715cd3720e9a15ca2176ea256b9fd93557130d4e79
MD5 hash:
47b320e00bece91f878ea9ba3250ac43
SHA1 hash:
7a415bd12d860aaf3549feae624c63f82e7a553f
Link:
https://www.unpac.me/results/4c34203f-265e-4a65-bf15-4512e4fa6805/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/319b6b852006b89fe1aca8715cd3720e9a15ca2176ea256b9fd93557130d4e79

File information

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

Web download

njrat

Executable exe 319b6b852006b89fe1aca8715cd3720e9a15ca2176ea256b9fd93557130d4e79

(this sample)

  
X
https://twitter.com/ReBensk/status/1417718897793404928?s=20
  
URLhaus
https://urlhaus.abuse.ch/url/1470379/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/172944/

Comments