MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 771f3320988a6433b2a3111af84ac202e51074ecfd76c03a6ffb31a1ca419943. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 771f3320988a6433b2a3111af84ac202e51074ecfd76c03a6ffb31a1ca419943
SHA3-384 hash: 83f2c04dec89082c17fa5485dcb3dfca1d7516a00152b54fbcd771f5994353db52fe5a53a264c3b1b5a496bf1e532d76
SHA1 hash: 22a311892c77e8336e4385a1d013bb4ef6a3ee04
MD5 hash: 385566bcb3f051fddc17d62b10a131e1
humanhash: emma-item-burger-golf
File name:nklarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:95'724 bytes
First seen:2025-12-24 16:19:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ipnyphWKz6ZpMHzNa2+iTNWV/SJ/BTtxYqw6yo+E1QNxva6d3HNllIijNs7dGZ7y:njUUnTtxYqw6yo+DNxva6jNNs7dGR+aT
TLSH T112930749F8819B25D5D522BEFA1E028D335357ACE3EF7202D9105B2577CA92F0E7BA01
telfhash t10cd02bd74d4995deb3f1e345d299228583fa3bbc56121435546cbfc74087cc0311ae8b
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/694c12c83f8fdbf8e9513b81/reports/cbdbc772-34e2-4d13-9357-d3025a84b0d6/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ae26b930-30ab-48a4-a53d-c5a2929f28be
Behavior Graph:
Download SVG
%3 guuid=959b6dbf-1900-0000-8eaf-9afb6a0c0000 pid=3178 /usr/bin/sudo guuid=eff42ac1-1900-0000-8eaf-9afb6f0c0000 pid=3183 /tmp/sample.bin guuid=959b6dbf-1900-0000-8eaf-9afb6a0c0000 pid=3178->guuid=eff42ac1-1900-0000-8eaf-9afb6f0c0000 pid=3183 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75cb3c2b-3d93-4586-9762-ffe6bd5c5761
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1838970
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/771f3320988a6433b2a3111af84ac202e51074ecfd76c03a6ffb31a1ca419943
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/771f3320988a6433b2a3111af84ac202e51074ecfd76c03a6ffb31a1ca419943/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/771f3320988a6433b2a3111af84ac202e51074ecfd76c03a6ffb31a1ca419943
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-24 16:20:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o4ptgieyrjsdhmvdcenpqswcalsra5hm7v3maotp7my2dssbtfbq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/251224-tsr3lagw2f/
Behaviour
Changes its process name
Renames itself
Contacts a large (21980) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/30f356b4-fa76-4b24-baca-821988e5bc73
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
Create hunting rule
Author:Elastic Security
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 771f3320988a6433b2a3111af84ac202e51074ecfd76c03a6ffb31a1ca419943

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739156/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739154/

Comments