MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ef96a32a575cbef0ac72b1e301112e6f82cab710167ef70a7bc0b77fda1f457. 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 2 File information Comments
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SHA256 hash: 2ef96a32a575cbef0ac72b1e301112e6f82cab710167ef70a7bc0b77fda1f457
SHA3-384 hash: 928287cb34efbd8eca8479ef0ae302af36e79227fa16dfa9cdf6774900fc9e4adbba39c18530155871dcb7a952b0527d
SHA1 hash: f88328cc6f8907ab700f845542f17ccf3cd677c2
MD5 hash: a640364846274e9da426b560a4df12dc
humanhash: lithium-crazy-winter-neptune
File name:Informacion_Detallada_Deuda_Dian_20230719_pdf.vbs
Download: download sample
Signature njrat
Create hunting rule
File size:394'754 bytes
First seen:2023-07-21 16:56:21 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:35XNsn1+7HLDVZeMxzakxTOvsp7zSty8NxF50hfp/TIYbdHznXmxLJIrCsS4CYuC:4n+SMxzakB2ty8NxF50hfp/TR
Threatray 525 similar samples on MalwareBazaar
TLSH T1628476012EEF0508A1A3AA8F5BF164E84F37B9B55539C45D298F190D0BEBDC0B861F76
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter 1ZRR4H
Tags:NjRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
145
Origin country :
CL CL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/427607/
Detection(s):
SecuriteInfo.com.VB.Trojan.Valyria.8352.28135.12236.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Malicious
Labled as:
Valyria
Link:
https://www.hybrid-analysis.com/sample/2ef96a32a575cbef0ac72b1e301112e6f82cab710167ef70a7bc0b77fda1f457
Result
Verdict:
MALICIOUS
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1277540
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Uses dynamic DNS services
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1277540 Sample: Informacion_Detallada_Deuda... Startdate: 21/07/2023 Architecture: WINDOWS Score: 100 33 todosnj4343.duckdns.org 2->33 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 Antivirus detection for URL or domain 2->43 45 8 other signatures 2->45 9 wscript.exe 1 2->9         started        12 powershell.exe 3 15 2->12         started        signatures3 process4 signatures5 47 VBScript performs obfuscated calls to suspicious functions 9->47 49 Suspicious powershell command line found 9->49 51 Wscript starts Powershell (via cmd or directly) 9->51 53 Very long command line found 9->53 14 powershell.exe 14 9 9->14         started        18 powershell.exe 15 12->18         started        20 wscript.exe 12->20         started        22 conhost.exe 1 12->22         started        process6 dnsIp7 37 cdn.discordapp.com 162.159.135.233, 443, 49699 CLOUDFLARENETUS United States 14->37 55 Suspicious powershell command line found 14->55 57 Writes to foreign memory regions 14->57 59 Found suspicious powershell code related to unpacking or dynamic code loading 14->59 61 Injects a PE file into a foreign processes 14->61 24 AppLaunch.exe 2 2 14->24         started        27 powershell.exe 12 14->27         started        29 conhost.exe 14->29         started        signatures8 process9 dnsIp10 35 todosnj4343.duckdns.org 190.28.148.130, 4343 EPMTelecomunicacionesSAESPCO Colombia 24->35 31 conhost.exe 27->31         started        process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ef96a32a575cbef0ac72b1e301112e6f82cab710167ef70a7bc0b77fda1f457/
Threat name:
Script-WScript.Trojan.Valyria
Create hunting rule
Status:
Malicious
First seen:
2023-07-21 16:57:05 UTC
File Type:
Text (VBS)
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f34wumvfoxf66cwhfmpdaeis434czk3raft664fhxqfxp7nb6rlq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
09a24dc980ac58c83a9a86ec0c214a2e2827731d29e9aa4588c6bb9190877cf0
njrat
20c5e774a278d6bc585aa030df85baeb6e27445b5fe1a34ae48a48898dc8604b
njrat
46218700e3edead893b37eeb0cfc7599b915761bcb65ef97789b51f708be1b4e
njrat
6aeec6592d3fe400a3523bf0a93d6d0b718bdcdc8c6fc6769cf39ff1a7a9535a
njrat
73489b558cbcf01f2bda533f372c0dfed9c225f789b17a109b76a52b99413fb0
njrat
891ba441c920eedb471ac09b6bc60f5694a8795f53813a8158da2bf35a0b54a6
njrat
99197988a225dc2a2146df4122c7c0baa99f53d156a0b8f326673b013fb51c55
njrat
b0eeb379c674f6caf454b18af219a5916889a33fddf5b7826c4d981a232d043d
njrat
c5b432c4324414ef5c0d82f53dcc78fd4d613ec43f70f2256a7e5a505f98130e
njrat
cbc4c00395ee3d24d1f5a1dd64cfb0b74648f0371a0665287dd8108181e7668b
njrat
+ 515 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:nyan cat trojan
Link:
https://tria.ge/reports/230721-vf811sfe34/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Blocklisted process makes network request
njRAT/Bladabindi
Malware Config
C2 Extraction:
todosnj4343.duckdns.org:4343
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2ef96a32a575/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.05
Link:
https://yomi.yoroi.company/submissions/2ef96a32a575cbef0ac72b1e301112e6f82cab710167ef70a7bc0b77fda1f457

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

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/427607/

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