MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ef86f38b7e44a7511f09e4bec9a1da105e70db6d522467ac14b4ea42df632c9. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ef86f38b7e44a7511f09e4bec9a1da105e70db6d522467ac14b4ea42df632c9
SHA3-384 hash: d84e8c9d646eee0108ef0a799387efcee781f240a39619d7d621c6a7909f1eec7567062a8b0341527fe073d7e3fe488c
SHA1 hash: aeb080279be9364a0130671e3ca90b69a6703da4
MD5 hash: 2b59d13bada6ab253e1b83a5b79bf4bc
humanhash: texas-zebra-montana-equal
File name:mips
Download: download sample
Signature Mirai
Create hunting rule
File size:80'692 bytes
First seen:2025-12-19 01:30:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:5ejblWW1Jgt/WfFQG4DVt/XCTkhZ2e5GC7XUf:5ejb0W4t/Nv/XCTkhZGC7XUf
TLSH T18073B71A2E218FEDF7A8873147F78E21979C378626E1D685E25CD6001FB034D645FBA8
telfhash t161110908883863f0a7711d9c6bedff72e45171df46616e374d00ed6a992dd428a01c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/29d37212-9721-4bfb-9b24-0c5a44915ffa/
Detection(s):
Unix.Trojan.Mirai-9951087-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Mounts file systems
Receives data from a server
Creating a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/6944aade5ceddcfa3ff6092a/reports/4318597e-aa84-46fe-ab6f-a1974d328113/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-18T22:37:00Z UTC
Last seen:
2025-12-20T22:02:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/1ef86f38b7e44a7511f09e4bec9a1da105e70db6d522467ac14b4ea42df632c9/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/77037a58-b746-4f68-8051-4d875ad71078
Behavior Graph:
Download SVG
%3 guuid=db5296a3-1600-0000-a5c3-795cf90f0000 pid=4089 /usr/bin/sudo guuid=a31c85a5-1600-0000-a5c3-795c02100000 pid=4098 /tmp/sample.bin guuid=db5296a3-1600-0000-a5c3-795cf90f0000 pid=4089->guuid=a31c85a5-1600-0000-a5c3-795c02100000 pid=4098 execve guuid=b59359a6-1600-0000-a5c3-795c07100000 pid=4103 /usr/bin/dash guuid=a31c85a5-1600-0000-a5c3-795c02100000 pid=4098->guuid=b59359a6-1600-0000-a5c3-795c07100000 pid=4103 clone guuid=466d79a6-1600-0000-a5c3-795c08100000 pid=4104 /usr/bin/dash guuid=a31c85a5-1600-0000-a5c3-795c02100000 pid=4098->guuid=466d79a6-1600-0000-a5c3-795c08100000 pid=4104 clone
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4b8b006d-e63d-4b3f-aa98-6a7694e29012
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1836070
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1836070 Sample: mips.elf Startdate: 19/12/2025 Architecture: LINUX Score: 64 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Mirai 2->44 8 mips.elf 2->8         started        10 udisksd dumpe2fs 2->10         started        12 udisksd dumpe2fs 2->12         started        14 17 other processes 2->14 process3 process4 16 mips.elf 8->16         started        process5 18 mips.elf 16->18         started        20 mips.elf 16->20         started        22 mips.elf 16->22         started        24 6 other processes 16->24 process6 26 mips.elf 18->26         started        28 mips.elf 20->28         started        30 mips.elf 22->30         started        32 mips.elf 24->32         started        34 mips.elf 24->34         started        36 mips.elf 24->36         started        38 3 other processes 24->38
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1ef86f38b7e44a7511f09e4bec9a1da105e70db6d522467ac14b4ea42df632c9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ef86f38b7e44a7511f09e4bec9a1da105e70db6d522467ac14b4ea42df632c9/
Verdict:
Malicious
Threat:
Family.Mirai
Link:
https://tip.neiki.dev/file/1ef86f38b7e44a7511f09e4bec9a1da105e70db6d522467ac14b4ea42df632c9
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-19 01:31:11 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d34g6ofx4rfhkepqtzf6zgq5uec6odnw2urem6wbjnhkilpwgleq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251219-bxmpkagm4t/
Behaviour
System Network Configuration Discovery
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9951087-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ae9df848-f58a-4245-947a-2cdd2e314847
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/1ef86f38b7e44a7511f09e4bec9a1da105e70db6d522467ac14b4ea42df632c9

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: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

sh 5e3f7ec55b3f15b049e594a50bc20e8b655d1b33fe74f120cff586f24e1970a0

Mirai

elf 1ef86f38b7e44a7511f09e4bec9a1da105e70db6d522467ac14b4ea42df632c9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3732700/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3732699/
  
Dropped by
SHA256 5e3f7ec55b3f15b049e594a50bc20e8b655d1b33fe74f120cff586f24e1970a0
  
Dropped by
MD5 3c43534228b73697fe111a21e17ff0a5
  
URLhaus
https://urlhaus.abuse.ch/url/3736655/
  
URLhaus
https://urlhaus.abuse.ch/url/3732320/

Comments