MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 491ff7502cf155751bdb7e8071971d31a13ff0d487ec2bebabf6cf27efe08fc9. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 491ff7502cf155751bdb7e8071971d31a13ff0d487ec2bebabf6cf27efe08fc9
SHA3-384 hash: 726c6b9dca4e4bf2eee1cb297ad7aced8cec990a7815863b2bd00f9d5562fc750ecada82fabadb0c6fe9ea43a284fdeb
SHA1 hash: 9a66f2f52e2ff1abe97080ba49670bc574feb892
MD5 hash: c19b424f558b07b095f184acfea76ca5
humanhash: aspen-white-bakerloo-yankee
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:135'557 bytes
First seen:2025-09-29 22:45:22 UTC
Last seen:2025-10-01 01:15:32 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:2mp34VaVHveHAET1dPMJkmEgiLv8TM/9gm+:2mpIVaVHveH7T1V9giLeM/9b+
TLSH T185D32956A7408B03C0D62B76BBDB424533239B64D7E763069A28BFF43F8279E4E63505
telfhash t1d021ed0999794a1e7fa2ad20ac6c57f3091503362b454f308f79c5cc2d1a095f97bc0b
Magika elf
Reporter abuse_ch
Tags:elf Hailbot mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-1.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Malware.Mirai-9942689-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
DNS request
Mounts file systems
Runs as daemon
Creating a file
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash expand gcc lolbin rust
Link:
https://www.filescan.io/uploads/68db0c2374e5a289899913ce/reports/906c1ee0-ff89-4244-8cce-d0b6c739590f/overview
Verdict:
Malicious
Uses P2P?:
true
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
31
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/491ff7502cf155751bdb7e8071971d31a13ff0d487ec2bebabf6cf27efe08fc9
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-29T20:35:00Z UTC
Last seen:
2025-09-29T20:35:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/491ff7502cf155751bdb7e8071971d31a13ff0d487ec2bebabf6cf27efe08fc9/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/93c8737e-d3ac-41c0-a010-834703280c20
Behavior Graph:
Download SVG
%3 guuid=c9e45463-1800-0000-4f6c-7dcf370d0000 pid=3383 /usr/bin/sudo guuid=270e0865-1800-0000-4f6c-7dcf3e0d0000 pid=3390 /tmp/sample.bin guuid=c9e45463-1800-0000-4f6c-7dcf370d0000 pid=3383->guuid=270e0865-1800-0000-4f6c-7dcf3e0d0000 pid=3390 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a2a0be41-17e1-450f-9689-86dffbd95bee
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1786322
Signature
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1786322 Sample: arm7.elf Startdate: 30/09/2025 Architecture: LINUX Score: 52 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Contains symbols with names commonly found in malware 2->22 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 arm7.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/491ff7502cf155751bdb7e8071971d31a13ff0d487ec2bebabf6cf27efe08fc9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/491ff7502cf155751bdb7e8071971d31a13ff0d487ec2bebabf6cf27efe08fc9/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-29 22:45:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jep7oubm6fkxkg63p2ahdfy5ggqt74guq7wcx25l63hsp37ar7eq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/250929-2ppr3avxfw/
Behaviour
Changes its process name
Renames itself
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9760303-0
YARA:
n/a
Link:
https://app.threat.zone/submission/81626ffa-ea98-49f1-b66c-15e52115f653
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/491ff7502cf155751bdb7e8071971d31a13ff0d487ec2bebabf6cf27efe08fc9

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:ach_202412_elf_hailbot
Create hunting rule
Author:abuse.ch
Description:Detects HailBot ELF files
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 491ff7502cf155751bdb7e8071971d31a13ff0d487ec2bebabf6cf27efe08fc9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3626670/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3626656/
  
URLhaus
https://urlhaus.abuse.ch/url/3626672/

Comments