MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fd73de1471bdbd28f8d23d97a6f6f30c9e4ec2ce1c753c43555bd4175576df0. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6fd73de1471bdbd28f8d23d97a6f6f30c9e4ec2ce1c753c43555bd4175576df0
SHA3-384 hash: b989fcbc6cf9b0da62fb7dac48b75b99d9680f7896c674910c15b379d691172343726d4c0864dc7e67dd204c267f817a
SHA1 hash: bee7a993e04140c4c1b91e6b7b6b54de385b27bc
MD5 hash: bc548247396309826abd430f1d9c109a
humanhash: delaware-potato-helium-cat
File name:04149999.exe
Download: download sample
Signature njrat
Create hunting rule
File size:166'912 bytes
First seen:2023-05-31 06:32:59 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 3072:Mi6S5/dqr1cPCU8zF6cBhBlnaAExMn9sODbrgNS6VtyTW:16M8zFP2xcsQbEVv
Threatray 35 similar samples on MalwareBazaar
TLSH T14AF34B9A774A4B14E57C0C31D0EF5A3003F29A836A33E3893EC4669D9E522D75D4EBC6
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter Neiki
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
132
Origin country :
US US
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
04149999.exe
Verdict:
Malicious activity
Analysis date:
2023-05-31 06:35:35 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/8b4a9227-7ed4-437d-80af-f872d3904805

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/393846/
Detection(s):
Win.Packed.Razy-9960873-0
Create hunting rule

Win.Packed.Barys-6880522-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a file
Searching for synchronization primitives
Creating a window
Creating a file in the mass storage device
Enabling threat expansion on mass storage devices
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd.exe eventvwr.exe keylogger lolbin njrat obfuscated rat
Link:
https://www.filescan.io/uploads/6476ea20c55e8c7f61046d59/reports/9518501f-685d-4c87-aaf5-a11f99788dc5/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/6fd73de1471bdbd28f8d23d97a6f6f30c9e4ec2ce1c753c43555bd4175576df0
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/402307a6-11eb-4a6e-af63-d735f324c8b4
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1245800
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 878811 Sample: 04149999.exe Startdate: 31/05/2023 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 7 other signatures 2->62 7 04149999.exe 1 2 2->7         started        10 04149999.exe 3 2->10         started        13 04149999.exe 2 2->13         started        process3 file4 64 Uses schtasks.exe or at.exe to add and modify task schedules 7->64 15 dw20.exe 22 6 7->15         started        18 schtasks.exe 1 7->18         started        20 schtasks.exe 1 7->20         started        28 2 other processes 7->28 52 C:\Users\user\AppData\...\04149999.exe.log, ASCII 10->52 dropped 22 schtasks.exe 1 10->22         started        30 3 other processes 10->30 24 schtasks.exe 1 13->24         started        26 schtasks.exe 1 13->26         started        32 2 other processes 13->32 signatures5 process6 file7 54 C:\ProgramData\Microsoft\...\Report.wer, Unicode 15->54 dropped 34 conhost.exe 18->34         started        36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        44 conhost.exe 28->44         started        46 conhost.exe 28->46         started        48 3 other processes 30->48 50 2 other processes 32->50 process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6fd73de1471bdbd28f8d23d97a6f6f30c9e4ec2ce1c753c43555bd4175576df0/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-05-31 06:34:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n7lt3ykhdpn5fd4nepmxu33pgde6j3bm4hdvhrbvkw6uc5kxnxya._file
Verdict:
malicious
Similar samples:
1185375a3412384ef2b76085dd8105b6d1ae9883154cf6129653325a40484013
njrat
2edc5f308e2dc9af2514cee46e1b73e40cabd03b5756e8993aad2e08a817d80b
njrat
618f4050d767d0c8f835ec3fa9e46b85b9291062a2e381122852238fa84c95f7
njrat
7e670075c495412da5bef2f982bbbcae2ecc4e5ac175e8c19cdec8af04d2a05a
njrat
9ef8bc32ed08c4a8e02fb67262275a242db4a80a177c175c66c054ac618145d7
njrat
efa8cf6765c00f318727086bed949c107f0fdd0a12e05189018f540192155ddb
njrat
+ 25 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat
Link:
https://tria.ge/reports/230531-ha681sdg2x/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Unpacked files
SH256 hash:
6fd73de1471bdbd28f8d23d97a6f6f30c9e4ec2ce1c753c43555bd4175576df0
MD5 hash:
bc548247396309826abd430f1d9c109a
SHA1 hash:
bee7a993e04140c4c1b91e6b7b6b54de385b27bc
Link:
https://www.unpac.me/results/2ebf0fe6-02b2-4ddb-b834-bc0d2cbf0dbd/
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/6fd73de1471bdbd28f8d23d97a6f6f30c9e4ec2ce1c753c43555bd4175576df0

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:AgentTesla
Create hunting rule
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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/393846/

Comments