MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfcd48b1545ba5cb26b267cfe470f17cdffa77a9fe8e166254ffcd6ffe7da095. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments
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SHA256 hash: dfcd48b1545ba5cb26b267cfe470f17cdffa77a9fe8e166254ffcd6ffe7da095
SHA3-384 hash: 87535b6f58112174134092cfe11c64668f70de657c663af9e92e53506184d854a5f805854d953aecd5d4531d27298628
SHA1 hash: ebf5d45cd89f66e058746d1b2fada6d47d6809b2
MD5 hash: 9e3e8bb46c3f922203883789ddb8eead
humanhash: mike-charlie-zulu-salami
File name:m68k.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:246'532 bytes
First seen:2025-09-12 02:55:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:d2yFuK1ryeY4yBMF0lFASmMq84Kl71pRAw:VY4yBxIm7bRAw
TLSH T10C346CE2E401CA7DF88DA67B801B4B02B630DB6114921E1AB37AF955BC3B1615F3DF49
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30645.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6981989-0
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Gafgyt-7782058-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9940650-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Mirai-10018298-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm
Link:
https://www.filescan.io/uploads/68c38bb30d1238ff0aaa83e3/reports/0e458a5f-d891-4a71-bb83-010dc0b05483/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-09-12T00:38:00Z UTC
Last seen:
2025-09-12T00:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/dfcd48b1545ba5cb26b267cfe470f17cdffa77a9fe8e166254ffcd6ffe7da095/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bbf70c12-6a48-4b5a-ab1e-630421d85247
Behavior Graph:
Download SVG
%3 guuid=19c1458b-1900-0000-a0c0-c1268e0b0000 pid=2958 /usr/bin/sudo guuid=8fab0d8d-1900-0000-a0c0-c126950b0000 pid=2965 /tmp/sample.bin guuid=19c1458b-1900-0000-a0c0-c1268e0b0000 pid=2958->guuid=8fab0d8d-1900-0000-a0c0-c126950b0000 pid=2965 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/382502ba-d3db-468a-9076-f84f986c486a
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1776090
Signature
Deletes system log files
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1776090 Sample: m68k.urbotnetisass.elf Startdate: 12/09/2025 Architecture: LINUX Score: 84 47 94.154.35.153, 43212 SELECTELRU Ukraine 2->47 49 109.202.202.202, 80 INIT7CH Switzerland 2->49 51 2 other IPs or domains 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Gafgyt 2->55 57 Yara detected Mirai 2->57 10 m68k.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 14 other processes 2->16 signatures3 process4 process5 18 m68k.urbotnetisass.elf 10->18         started        file6 39 /_dev_shm_.6235_librt.so.1, ELF 18->39 dropped 41 /_dev_shm_.6235_libpthread.so.0, ELF 18->41 dropped 43 /_dev_shm_.6235_libm.so.6, ELF 18->43 dropped 45 6 other malicious files 18->45 dropped 59 Writes identical ELF files to multiple locations 18->59 22 m68k.urbotnetisass.elf 18->22         started        24 m68k.urbotnetisass.elf 18->24         started        signatures7 process8 process9 26 m68k.urbotnetisass.elf 22->26         started        29 m68k.urbotnetisass.elf 24->29         started        signatures10 61 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->61 63 Deletes system log files 26->63 31 m68k.urbotnetisass.elf 26->31         started        33 m68k.urbotnetisass.elf 26->33         started        35 m68k.urbotnetisass.elf 26->35         started        37 7 other processes 26->37 process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/dfcd48b1545ba5cb26b267cfe470f17cdffa77a9fe8e166254ffcd6ffe7da095
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dfcd48b1545ba5cb26b267cfe470f17cdffa77a9fe8e166254ffcd6ffe7da095/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-12 02:55:44 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=37gurmkulos4wjvsm7h6i4hrptp7u55j72hbmysu77gw77t5uckq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250912-des5qser71/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981989-0
YARA:
n/a
Link:
https://app.threat.zone/submission/856c2518-3ff3-4bd1-9ab7-e9f761fd0be3
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/dfcd48b1545ba5cb26b267cfe470f17cdffa77a9fe8e166254ffcd6ffe7da095

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf dfcd48b1545ba5cb26b267cfe470f17cdffa77a9fe8e166254ffcd6ffe7da095

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618254/
  
Delivery method
Distributed via web download

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