MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4f642631ee5e6910dba4b81eb7fa0a2277e66e8bcfd4dec30b9ff2e0ce94f41. 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: b4f642631ee5e6910dba4b81eb7fa0a2277e66e8bcfd4dec30b9ff2e0ce94f41
SHA3-384 hash: bb6e9b0fdcda536b5fa114003c59c9645317d3fcd791de81c1847b240485ee1e51f82debd82a277d5f1810b0ffeda93c
SHA1 hash: be1a56820376a20b0788282a686d5f68a0270a41
MD5 hash: 50fe6302afed980be33d5ddc0c9d82e4
humanhash: violet-venus-earth-princess
File name:zerarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:83'976 bytes
First seen:2026-01-11 15:04:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:S5Vn+Zp6+n+iXOLxyZqp4EtTVPCP1UXpBmGDCsftaSrc81JYfK2Fn2ldjiNCNS4V:d6+nGNyZy4EtT5mGDCtSrc81JYfWQCNl
TLSH T19283F889BC849B10D5D525BAFE0E214D33638B78E3FA7113CE185B2E678AC5B0B77611
telfhash t19ae06863844c4ca966e4e592e3eb3724491a70b7371e0f06b9346874d3238caa930a2d
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
43
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Creating a file
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/6963bbf730368802bb80451e/reports/1518b6d6-1a75-4ffc-82ba-0907dba359c4/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/41de3169-01ca-4cb2-ac0d-9db65cb32d2c
Behavior Graph:
Download SVG
%3 guuid=dce2c98f-1600-0000-ae85-329ff70c0000 pid=3319 /usr/bin/sudo guuid=3c617b91-1600-0000-ae85-329ffd0c0000 pid=3325 /tmp/sample.bin guuid=dce2c98f-1600-0000-ae85-329ff70c0000 pid=3319->guuid=3c617b91-1600-0000-ae85-329ffd0c0000 pid=3325 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ab236557-dc0e-4083-b560-cda32279e2e6
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1848431
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848431 Sample: zerarm7.elf Startdate: 11/01/2026 Architecture: LINUX Score: 48 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 167.99.246.88, 39691, 51826 DIGITALOCEAN-ASNUS United States 2->20 22 4 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 8 zerarm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 zerarm7.elf 8->14         started        process6 16 zerarm7.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4f642631ee5e6910dba4b81eb7fa0a2277e66e8bcfd4dec30b9ff2e0ce94f41
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4f642631ee5e6910dba4b81eb7fa0a2277e66e8bcfd4dec30b9ff2e0ce94f41/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wt3eeyy64xtjcdn2joa6w75auitx4zxixt6u33bqxh7s4dhjj5aq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/260111-sfr2dsht6c/
Behaviour
Changes its process name
Renames itself
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9885259-0
YARA:
n/a
Link:
https://app.threat.zone/submission/e3ac8492-1409-402c-ba24-ea01ae11302f
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/b4f642631ee5e6910dba4b81eb7fa0a2277e66e8bcfd4dec30b9ff2e0ce94f41

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 b4f642631ee5e6910dba4b81eb7fa0a2277e66e8bcfd4dec30b9ff2e0ce94f41

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739131/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739140/

Comments