MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef3acaa9f6394dbd124a1e8d587ebdb72f0b09f5da63759383e3f7ccf4d5b1ac. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef3acaa9f6394dbd124a1e8d587ebdb72f0b09f5da63759383e3f7ccf4d5b1ac
SHA3-384 hash: c3cef6a1252d5eae42639032305cbb528dfc5a631e73e0cc7b43927cf2887a4a6ac95a876807b057335d7def14decd24
SHA1 hash: 3c65ffc68c1fb3a1c48f4c21693568ac3cf441dd
MD5 hash: 83223072a229434c955f3131ff2325c6
humanhash: michigan-uniform-may-island
File name:iran.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:156'680 bytes
First seen:2026-01-29 16:41:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:p+fTcKot8sp2MKypYz8ZOfGQ+v3eB/hub8mXRCTUGk4onuftL4VxgdbK:pYlybKpzEOfGQ+vEubTt4ouftL4UdO
TLSH T129E3885A6E228FAEF67C873147F74A20976D23D623E1D684D2ACC1141F6038E545FBAC
telfhash t1a74160184e7813f463385c4d169def36e6a330da7e265d338e11e86ba77d9824e10d1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-8041698-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Substitutes an application name
Deleting of the original file
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
Full report:
https://elfdigest.com/brief/ef3acaa9f6394dbd124a1e8d587ebdb72f0b09f5da63759383e3f7ccf4d5b1ac
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.32.be
First seen:
2026-01-29T14:12:00Z UTC
Last seen:
2026-01-29T18:01:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ef3acaa9f6394dbd124a1e8d587ebdb72f0b09f5da63759383e3f7ccf4d5b1ac/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ab8e794f-2b68-413c-99dd-2605f758392a
Behavior Graph:
Download SVG
%3 guuid=5dd789da-1900-0000-2e3d-92c5d1080000 pid=2257 /usr/bin/sudo guuid=747d59dc-1900-0000-2e3d-92c5d5080000 pid=2261 /tmp/sample.bin guuid=5dd789da-1900-0000-2e3d-92c5d1080000 pid=2257->guuid=747d59dc-1900-0000-2e3d-92c5d5080000 pid=2261 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d1409179-0e80-4e47-9b5d-eaef25554d51
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1859931
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859931 Sample: iran.mips.elf Startdate: 29/01/2026 Architecture: LINUX Score: 60 17 31.56.120.29, 46442, 46444, 46446 RASANAIR Iran (ISLAMIC Republic Of) 2->17 19 daisy.ubuntu.com 2->19 21 Antivirus / Scanner detection for submitted sample 2->21 23 Multi AV Scanner detection for submitted file 2->23 8 iran.mips.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 iran.mips.elf 8->12         started        process6 14 iran.mips.elf 12->14         started        signatures7 25 Sample deletes itself 14->25
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef3acaa9f6394dbd124a1e8d587ebdb72f0b09f5da63759383e3f7ccf4d5b1ac
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef3acaa9f6394dbd124a1e8d587ebdb72f0b09f5da63759383e3f7ccf4d5b1ac/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-29 16:35:41 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=545mvkpwhfg32eskd2gvq7v5w4xqwcpv3jrxle4d4p34z5gvwgwa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/260129-t7rqdah12f/
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.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ef3acaa9f6394dbd124a1e8d587ebdb72f0b09f5da63759383e3f7ccf4d5b1ac

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
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
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 ef3acaa9f6394dbd124a1e8d587ebdb72f0b09f5da63759383e3f7ccf4d5b1ac

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3765682/
  
Delivery method
Distributed via web download

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