MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21e8420e2bce3849c7a769a7528c74f53a5add799606399b056f9090347ce6c4. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21e8420e2bce3849c7a769a7528c74f53a5add799606399b056f9090347ce6c4
SHA3-384 hash: 5d4be5b0a3872f26bd46c244f85652ca1519f5c102848b589f85add7af08528b7e5d1327d998d5538e6bd64cb52b4597
SHA1 hash: c006e46d95fe977ac6c69e594e39d45d6a07079c
MD5 hash: 6cb5d8e272e8e07fb6d9847c9bef0260
humanhash: bakerloo-washington-winner-ack
File name:i486
Download: download sample
Signature Mirai
Create hunting rule
File size:47'680 bytes
First seen:2025-10-13 05:37:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:eKXOo/eim6c9g1xnXuA4L2BbjtUsXg3BbVyhEfuEM1ix/CjjddPFqQ9Zn+/:eKXOolmg5Xz4L2BbjtUsQbkufFMouzfO
TLSH T1F9234C48DB23C2F0D8450070502BEB7AAF76DA326A64DD5EDFD83A26AD73B11860771D
telfhash t13431d2a72ea64de8b3d16c488b0b6782579ad5770b2132f501f32dd437f2bd190a9831
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9970440-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Connection attempt
Kills processes
Mounts file systems
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/68ec912471883144ef3396fa/reports/720dbdd3-a082-4731-b01f-c662614f5df5/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
58
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/21e8420e2bce3849c7a769a7528c74f53a5add799606399b056f9090347ce6c4
Behaviour
Anti-VM
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-12T19:02:00Z UTC
Last seen:
2025-10-14T03:16:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/21e8420e2bce3849c7a769a7528c74f53a5add799606399b056f9090347ce6c4/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5d9b88f1-75b5-43ce-9fa5-eb90f9b86776
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1793759
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1793759 Sample: i486.elf Startdate: 13/10/2025 Architecture: LINUX Score: 60 33 194.116.215.241, 1026, 55782, 55830 VMAGE-ASRU unknown 2->33 35 151.241.100.240, 1026, 36078, 36082 RASANAIR Iran (ISLAMIC Republic Of) 2->35 37 14 other IPs or domains 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 10 i486.elf 2->10         started        signatures3 process4 signatures5 43 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->43 13 i486.elf 10->13         started        15 i486.elf 10->15         started        17 i486.elf 10->17         started        19 2 other processes 10->19 process6 process7 21 i486.elf 13->21         started        process8 23 i486.elf 21->23         started        25 i486.elf 21->25         started        27 i486.elf 21->27         started        29 i486.elf 21->29         started        process9 31 i486.elf 23->31         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21e8420e2bce3849c7a769a7528c74f53a5add799606399b056f9090347ce6c4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/21e8420e2bce3849c7a769a7528c74f53a5add799606399b056f9090347ce6c4/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-12 23:56:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ehueedrlzy4etr5hngtvfddu6u5fvxlzsyddtgyfn6ijand443ca._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Link:
https://tria.ge/reports/251013-gdxnbavpx2/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9970440-0
YARA:
Linux_Trojan_Mirai_3a56423b
Link:
https://app.threat.zone/submission/560f22f8-0c6e-4ba1-a624-5e26faba30fb
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/21e8420e2bce3849c7a769a7528c74f53a5add799606399b056f9090347ce6c4

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_3a56423b
Create hunting rule
Author:Elastic Security

File information

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

Web download

Mirai

elf 21e8420e2bce3849c7a769a7528c74f53a5add799606399b056f9090347ce6c4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3670446/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3670414/

Comments