MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f91209ca4ed26302a623ba918f76a7afe009b7dcf161ba6ac9ca911f895ffe8f. 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



Mirai


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: f91209ca4ed26302a623ba918f76a7afe009b7dcf161ba6ac9ca911f895ffe8f
SHA3-384 hash: 88c48f1077942a2e7c9ce330beebf9ca6cfc03fa81411bbf78bcb6eb163af3bbc7388bbde30c67fc33bda04c91465c5a
SHA1 hash: 0a60760bd6da177d18eeb47f19080e9284921455
MD5 hash: 93f888b6f1b78150e1ad2d71c8ea10cc
humanhash: stream-hotel-seven-colorado
File name:nabarm7
Download: download sample
Signature Mirai
File size:83'320 bytes
First seen:2026-01-11 19:47:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:KZn0aEou8ZIssGt38tZujxqvQBpwyLqb+3ClcsieO4VWuZPYmW6T2bVRN:CEou8ZIG8+wvQBpwyLXkO4VWudS6T2V
TLSH T15283E74AF9819B11D6D565BAFE0F518D33534BACE3EEB2029D245B24278B92B0F3B501
telfhash t15d21d0544ec818ccb7d44f8862ee7126784538b57e321805af6b798e0156ed27821835
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Creating a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai rust
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=8c294870-1600-0000-5775-ef9b860d0000 pid=3462 /usr/bin/sudo guuid=13170c73-1600-0000-5775-ef9b8f0d0000 pid=3471 /tmp/sample.bin guuid=8c294870-1600-0000-5775-ef9b860d0000 pid=3462->guuid=13170c73-1600-0000-5775-ef9b8f0d0000 pid=3471 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
60 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848560 Sample: nabarm7.elf Startdate: 11/01/2026 Architecture: LINUX Score: 60 22 61.61.214.170, 23 QTCN-ASN1GCNetReachRangeIncTW Taiwan; Republic of China (ROC) 2->22 24 61.61.214.189, 23 QTCN-ASN1GCNetReachRangeIncTW Taiwan; Republic of China (ROC) 2->24 26 100 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Connects to many IPs within the same subnet mask (likely port scanning) 2->32 8 nabarm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 nabarm7.elf 8->14         started        process6 16 nabarm7.elf 14->16         started        18 nabarm7.elf 14->18         started        20 nabarm7.elf 14->20         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-11 19:48:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Renames itself
Contacts a large (23002) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


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

Web download

Mirai

elf f91209ca4ed26302a623ba918f76a7afe009b7dcf161ba6ac9ca911f895ffe8f

(this sample)

  
Delivery method
Distributed via web download

Comments