MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31f4d8a54961da00e387eaf3a45097f18df73f3a7c077743acda2447b792fc60. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31f4d8a54961da00e387eaf3a45097f18df73f3a7c077743acda2447b792fc60
SHA3-384 hash: 6d4dcea1b357c3ff38e3b9d4fe8901ee2d06f9e6ab6d609e1102619bbe15e608abdf357026bae143cdf588d3bf259dcf
SHA1 hash: f6a1ed7dcd7ac7a4d5cc63b240ad777ec3ecce9e
MD5 hash: e4b315bc023566cc70d4d812aac724e8
humanhash: florida-violet-december-paris
File name:sumrak.sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:127'684 bytes
First seen:2026-01-15 11:59:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:laiZEHvGmMOexMkICIKcKQm7wJUkyAt6qXWTqkxd0ctX8y1N/Gf:l9cvbM7xM5mcu3ky0tXWmkxOahx
TLSH T168C36BB3C8256EADD528D5B4B0708F785B13991082471FFE5A77C2B88047E8EF6097B9
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 :
91
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Link:
https://research.acce.ciphertechsolutions.com/results/15782f3b-fd3c-4992-90ca-cf288cafc0f2/
Detection(s):
Sanesecurity.Malware.28959.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135898-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-7138377-0
Create hunting rule

Unix.Trojan.Mirai-7674518-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Unix.Trojan.Mirai-10057021-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/6968d6fb3dd9d20950558c63/reports/7d63321b-5777-40f0-a850-3b5bcad23237/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-15T09:08:00Z UTC
Last seen:
2026-01-15T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/31f4d8a54961da00e387eaf3a45097f18df73f3a7c077743acda2447b792fc60/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/78b0e62e-48e2-4807-bd4e-9a19e2d42ba1
Behavior Graph:
Download SVG
%3 guuid=0d0b6b82-1700-0000-473e-677630100000 pid=4144 /usr/bin/sudo guuid=37be9184-1700-0000-473e-677638100000 pid=4152 /tmp/sample.bin guuid=0d0b6b82-1700-0000-473e-677630100000 pid=4144->guuid=37be9184-1700-0000-473e-677638100000 pid=4152 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/eef1f0af-e08c-4e24-8379-1ddaeb2c499a
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1851317
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1851317 Sample: sumrak.sh4.elf Startdate: 15/01/2026 Architecture: LINUX Score: 72 22 156.158.74.27 airtel-tz-asTZ Tanzania United Republic of 2->22 24 216.4.26.50 XO-AS15US United States 2->24 26 98 other IPs or domains 2->26 28 Found malware configuration 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Gafgyt 2->34 8 sumrak.sh4.elf 2->8         started        signatures3 process4 process5 10 sumrak.sh4.elf 8->10         started        12 sumrak.sh4.elf 8->12         started        14 sumrak.sh4.elf 8->14         started        process6 16 sumrak.sh4.elf 10->16         started        18 sumrak.sh4.elf 10->18         started        20 sumrak.sh4.elf 10->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31f4d8a54961da00e387eaf3a45097f18df73f3a7c077743acda2447b792fc60
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/31f4d8a54961da00e387eaf3a45097f18df73f3a7c077743acda2447b792fc60/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/31f4d8a54961da00e387eaf3a45097f18df73f3a7c077743acda2447b792fc60
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-15 10:58:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gh2nrjkjmhnaby4h5lz2iuex6gg7opz2pqdxoq5m3isepn4s7rqa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:owari linux
Link:
https://tria.ge/reports/260115-n6xbksdx5d/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135890-0
YARA:
n/a
Link:
https://app.threat.zone/submission/bdef8e72-e173-48dd-9bfb-7110e284a2fc
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/31f4d8a54961da00e387eaf3a45097f18df73f3a7c077743acda2447b792fc60

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 31f4d8a54961da00e387eaf3a45097f18df73f3a7c077743acda2447b792fc60

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3758541/
  
Delivery method
Distributed via web download

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