MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d639a5e82d53fca2cdc69db242bf932890e00a569e7f75ef55de084433fdd99. 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: 9


Intelligence 9 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d639a5e82d53fca2cdc69db242bf932890e00a569e7f75ef55de084433fdd99
SHA3-384 hash: c5030f1ce8e8427e9d1a90be68f96a89e31af9115e7fc94c762e8016032da6f6987ae840567c852d64d6ce628db9cd4f
SHA1 hash: 1670746d6804fb1c60e91e76715e1ce2d942b2ab
MD5 hash: e23f8d2f8977dd9a63c92f9c86555580
humanhash: fix-massachusetts-angel-white
File name:Orbt.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:139'980 bytes
First seen:2026-01-18 18:57:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:zTTRPuzRiFd0fg/Z4LBHP+uBS2qHdJYd4:zTwiFufgQdGYd4
TLSH T1FDD3488DFA8BC2F1D8474970A06BB3FFC732A4254071CA5EDF95AF36CA239419616358
telfhash t13f5139ba5a670cec5bc08a01f38e5b31fd0d9bbb645436fa09f31561323214267bac35
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 25a0da4188f6c9a273ac508acc0b90471c1996f93dc5b59ed3a64f38f80231fc
File size (compressed) :57'352 bytes
File size (de-compressed) :139'980 bytes
Format:linux/i386
Packed file: 25a0da4188f6c9a273ac508acc0b90471c1996f93dc5b59ed3a64f38f80231fc

Intelligence

File Origin
# of uploads :
1
# of downloads :
41
Origin country :
NL NL
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/1e395f4b-0230-4d76-9cf9-23d8ee51000d/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/696d2d403dd9d20950591364/reports/081ed46a-e068-4b92-ba0c-d5c783bb8b57/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-18T17:09:00Z UTC
Last seen:
2026-01-18T20:36:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4d639a5e82d53fca2cdc69db242bf932890e00a569e7f75ef55de084433fdd99/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0b9a40eb-4e94-4943-9f29-df650894b33f
Behavior Graph:
Download SVG
%3 guuid=b5dfe50a-1b00-0000-f449-bab7f5090000 pid=2549 /usr/bin/sudo guuid=6014b40c-1b00-0000-f449-bab7fb090000 pid=2555 /tmp/sample.bin net guuid=b5dfe50a-1b00-0000-f449-bab7f5090000 pid=2549->guuid=6014b40c-1b00-0000-f449-bab7fb090000 pid=2555 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=6014b40c-1b00-0000-f449-bab7fb090000 pid=2555->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=411ff10c-1b00-0000-f449-bab7fd090000 pid=2557 /tmp/sample.bin guuid=6014b40c-1b00-0000-f449-bab7fb090000 pid=2555->guuid=411ff10c-1b00-0000-f449-bab7fd090000 pid=2557 clone guuid=8feafc38-1c00-0000-f449-bab78b0c0000 pid=3211 /tmp/sample.bin guuid=6014b40c-1b00-0000-f449-bab7fb090000 pid=2555->guuid=8feafc38-1c00-0000-f449-bab78b0c0000 pid=3211 clone guuid=6bc50139-1c00-0000-f449-bab78c0c0000 pid=3212 /tmp/sample.bin net send-data zombie guuid=6014b40c-1b00-0000-f449-bab7fb090000 pid=2555->guuid=6bc50139-1c00-0000-f449-bab78c0c0000 pid=3212 clone guuid=ad00fa0c-1b00-0000-f449-bab7fe090000 pid=2558 /tmp/sample.bin guuid=411ff10c-1b00-0000-f449-bab7fd090000 pid=2557->guuid=ad00fa0c-1b00-0000-f449-bab7fe090000 pid=2558 clone guuid=efd9fe0c-1b00-0000-f449-bab7ff090000 pid=2559 /tmp/sample.bin dns net send-data zombie guuid=411ff10c-1b00-0000-f449-bab7fd090000 pid=2557->guuid=efd9fe0c-1b00-0000-f449-bab7ff090000 pid=2559 clone guuid=efd9fe0c-1b00-0000-f449-bab7ff090000 pid=2559->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 45B 0ecf02bb-0e2c-5ebd-8166-f09908e50581 mirailoversddos.duckdns.org:69 guuid=efd9fe0c-1b00-0000-f449-bab7ff090000 pid=2559->0ecf02bb-0e2c-5ebd-8166-f09908e50581 send: 6B guuid=6bc50139-1c00-0000-f449-bab78c0c0000 pid=3212->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1380B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=6bc50139-1c00-0000-f449-bab78c0c0000 pid=3212->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/db29c910-a86d-4038-b76c-7dd19c02dd43
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1852942
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852942 Sample: Orbt.i686.elf Startdate: 18/01/2026 Architecture: LINUX Score: 76 26 mirailoversddos.duckdns.org 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 5 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 8 Orbt.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 40 Uses dynamic DNS services 26->40 process4 process5 16 Orbt.i686.elf 8->16         started        18 Orbt.i686.elf 8->18         started        20 Orbt.i686.elf 8->20         started        process6 22 Orbt.i686.elf 16->22         started        24 Orbt.i686.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4d639a5e82d53fca2cdc69db242bf932890e00a569e7f75ef55de084433fdd99
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d639a5e82d53fca2cdc69db242bf932890e00a569e7f75ef55de084433fdd99/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 18:59:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jvrzuxuc2u74ulg4nhnsik7zgkeq4affnht7oxxvlxqiiqz73wmq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/260118-xmpl3adx5a/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Unknown
Tags:
trojan mirai
YARA:
Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/8153f707-ccbc-430a-a51f-c56a6df4da25
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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 25a0da4188f6c9a273ac508acc0b90471c1996f93dc5b59ed3a64f38f80231fc

Mirai

elf 4d639a5e82d53fca2cdc69db242bf932890e00a569e7f75ef55de084433fdd99

(this sample)

  
Dropped by
SHA256 25a0da4188f6c9a273ac508acc0b90471c1996f93dc5b59ed3a64f38f80231fc
  
URLhaus
https://urlhaus.abuse.ch/url/3759897/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 830bdebbadfb0fc7650fecc323ffce4c
  
URLhaus
https://urlhaus.abuse.ch/url/3684964/

Comments