MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1819f0b6dcc42a02031ea44b42039397f0ca2c6eaa87b310087bb9f59013154. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d1819f0b6dcc42a02031ea44b42039397f0ca2c6eaa87b310087bb9f59013154
SHA3-384 hash: 97db93d26cfb4d4a816130cc0686d1e8eb610356908c8d319293fd9bee0d3d86b8d114565780f3e911a132c0ed38bc98
SHA1 hash: a3b0dd37aab3d74e91e71041c89b76d5265e068c
MD5 hash: 0f03cf78ba9541040ff846237ccd724b
humanhash: may-comet-carbon-north
File name:d1819f0b6dcc42a02031ea44b42039397f0ca2c6eaa87b310087bb9f59013154
Download: download sample
Signature njrat
Create hunting rule
File size:884'224 bytes
First seen:2021-08-31 06:47:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bbac62fd99326ea68ec5a33b36925dd1 (46 x AgentTesla, 38 x njrat, 27 x Formbook)
ssdeep 12288:i4lsXvtCcmVVXzzn4PJAahPl/QEdIMiVbHydEIJnJWUgav7Wz4Fq9MmCS:i4lavt0LkLL9IMixoEgeajWsFq9MmCS
Threatray 1'833 similar samples on MalwareBazaar
TLSH T18C159E0373DD83A1C3725173BA66BB01AEBB7C2506A1F59B2FD5093DF920162921E673
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
494
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d1819f0b6dcc42a02031ea44b42039397f0ca2c6eaa87b310087bb9f59013154
Verdict:
Suspicious activity
Analysis date:
2021-08-31 07:03:53 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/d4fb302f-4cfc-4270-af18-c42031481c63

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/184007/
Detection(s):
Win.Dropper.njRAT-9877418-0
Create hunting rule

Win.Dropper.njRAT-9877515-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Deleting a recently created file
Sending a UDP request
Creating a file
Creating a process with a hidden window
Connection attempt
Blocking the User Account Control
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8e845534-05b9-4908-aee3-5076e892e44c
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842370
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
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Found malware configuration
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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: 474802 Sample: vgJFfKTfDd Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 7 other signatures 2->42 9 vgJFfKTfDd.exe 6 2->9         started        12 server.exe 3 2->12         started        14 server.exe 2 2->14         started        16 server.exe 2 2->16         started        process3 file4 32 C:\Users\user\AppData\Local\Temp\...\3514.exe, PE32 9->32 dropped 18 3514.exe 1 5 9->18         started        process5 file6 30 C:\Users\user\AppData\Local\Temp\server.exe, PE32 18->30 dropped 44 Antivirus detection for dropped file 18->44 46 Multi AV Scanner detection for dropped file 18->46 48 Machine Learning detection for dropped file 18->48 22 server.exe 4 4 18->22         started        signatures7 process8 dnsIp9 34 10.10.10.10, 5552 unknown unknown 22->34 50 Antivirus detection for dropped file 22->50 52 Multi AV Scanner detection for dropped file 22->52 54 Machine Learning detection for dropped file 22->54 56 3 other signatures 22->56 26 netsh.exe 1 3 22->26         started        signatures10 process11 process12 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d1819f0b6dcc42a02031ea44b42039397f0ca2c6eaa87b310087bb9f59013154/
Threat name:
Win32.Trojan.Nymeria
Create hunting rule
Status:
Malicious
First seen:
2021-08-28 22:07:00 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
35 of 46 (76.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2gaz6c3nzrbkaibr5jcliibzhf7qziwg5kuhwmiaq65z6wibgfka._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
1e77593073ce7c57226c55e20d5ca2e09c84c86a083a9d56b3dd1bb732305683
njrat
46fa7b3768b1f91187f59fb97a88e1efbbe603dc88419c73da07c627e9d57f74
njrat
4f7ee2b1be709d2dfcfb894323ac4b6a3f3b0482c646d49b051769a6e3785239
njrat
69bc3e840c7aeb2c0eaa156a23c7717fb2352c7a4e1a28deedfbc25b79b27b82
njrat
a1912487964fbfa6a9004a0889bde004a7b3d007e98706b79688bbb6229af557
njrat
bbbd41df9ee8363af5927a1b8f8b6d373edc69b34069c3a1ff0e5696138a290d
njrat
bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689
njrat
d9009371df732bd8b3ccab8b38e9968069503292b112b2b27cb1c3c54814b3ab
njrat
e1c12e80d4fe90ebf246356de9336ba64ce4263eaf2525c27412d534b8a89b29
njrat
f4ae0a96fe157d059c62d52e5934283f6055e822451db81a0bb9f646e98dc310
njrat
+ 1'823 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion persistence trojan
Link:
https://tria.ge/reports/210831-v3ynfgfrnj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
UAC bypass
njRAT/Bladabindi
Malware Config
C2 Extraction:
10.10.10.10:5552
Unpacked files
SH256 hash:
8e1343ded20bd50b4136e7656a93ea64ad51b967857a593dcd04636fc0b29c55
MD5 hash:
83052df95647c2c1076d5ab589b3490c
SHA1 hash:
fb9c46a300560d0dfeec9a42935e4b7ddec9b9b9
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/7400c93b-9ae1-45c1-bb3a-747773648f26/
SH256 hash:
d1819f0b6dcc42a02031ea44b42039397f0ca2c6eaa87b310087bb9f59013154
MD5 hash:
0f03cf78ba9541040ff846237ccd724b
SHA1 hash:
a3b0dd37aab3d74e91e71041c89b76d5265e068c
Link:
https://www.unpac.me/results/7400c93b-9ae1-45c1-bb3a-747773648f26/
Malware family:
njRat
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d1819f0b6dcc/report/overview.html
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/d1819f0b6dcc42a02031ea44b42039397f0ca2c6eaa87b310087bb9f59013154

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/184007/

Comments