MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81f3b5c089e018318bdb3fa94e11acd72440b657717ee428ece1035705f4bb82. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash: 81f3b5c089e018318bdb3fa94e11acd72440b657717ee428ece1035705f4bb82
SHA3-384 hash: db0c588215fa5c1e779748cca79f020924686288fc1bab8930e710f356f95262108de0de28933e1d91c5c7b2a8af8d76
SHA1 hash: c1a658b369257f65be30fb055693c0ae38bcaa32
MD5 hash: c01fb5b316674721b6c07a8f20c50ca2
humanhash: five-twelve-fish-monkey
File name:iran.mips
Download: download sample
Signature Mirai
File size:156'680 bytes
First seen:2026-02-04 08:10:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:p+PTcKot8sp2MKypYz8ZOfGQ+v3eB/hub8mXRCTUGk4onuftL4VxtdbK:polybKpzEOfGQ+vEubTt4ouftL4pdO
TLSH T1B0E3885A6E228FAEF67C873147F74A20976D23D623E1D684D2ACC1141F6038E545FBAC
telfhash t1a74160184e7813f463385c4d169def36e6a330da7e265d338e11e86ba77d9824e10d1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
35
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Unknown
File Type:
elf.32.be
First seen:
2026-02-01T15:46:00Z UTC
Last seen:
2026-02-02T00:55:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=ccbd30a9-1a00-0000-9bca-5c3c530a0000 pid=2643 /usr/bin/sudo guuid=2ae7c0ab-1a00-0000-9bca-5c3c5b0a0000 pid=2651 /tmp/sample.bin guuid=ccbd30a9-1a00-0000-9bca-5c3c530a0000 pid=2643->guuid=2ae7c0ab-1a00-0000-9bca-5c3c5b0a0000 pid=2651 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1863085 Sample: iran.mips.elf Startdate: 04/02/2026 Architecture: LINUX Score: 60 21 169.254.169.254, 80 USDOSUS Reserved 2->21 23 64.89.161.81, 37418, 37420, 37422 DIXIE-NETUS United States 2->23 25 daisy.ubuntu.com 2->25 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 8 dash rm iran.mips.elf 2->8         started        10 dash rm 2->10         started        12 dash cut 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 iran.mips.elf 8->16         started        process6 18 iran.mips.elf 16->18         started        signatures7 27 Sample deletes itself 18->27
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-02-01 20:39:01 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Deletes itself
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
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 81f3b5c089e018318bdb3fa94e11acd72440b657717ee428ece1035705f4bb82

(this sample)

  
Delivery method
Distributed via web download

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