MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73bfc9d438cd3c35d35a508c7ccb3e8c6683a9368b0daeb73ca9c4cc721b3270. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73bfc9d438cd3c35d35a508c7ccb3e8c6683a9368b0daeb73ca9c4cc721b3270
SHA3-384 hash: 1c31322197f7dedbc803d209e7a61ecdd1ae6fee6e0551314516867eeef52f4bde82c95eba5eb30f039560201f74e219
SHA1 hash: 7bf0a2273202015df2867897467bd4a150fff714
MD5 hash: c8d4303d25fca7c7eaecb0dc879163cb
humanhash: crazy-friend-uncle-queen
File name:b2
Download: download sample
Signature Mirai
Create hunting rule
File size:148'916 bytes
First seen:2025-12-03 09:25:08 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:0rwLSpZwWF7rKcQUnlDdW9eamfr/p1dFtVXl3H/9ljXNDB1PJRnsj9hbbrXvJdzx:xQFHrDn/JGQnFP/be
TLSH T171E3E81AE7614FBCF25C867157739A609A48139713E7E281F5ACC900AE7074E682FBE4
telfhash t10421e548893822f4d7b15c9d9aecff32e0a1b0cb79156d3b9e14ad9a972d9428d04c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-10010431-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai obfuscated
Link:
https://www.filescan.io/uploads/69300202ddcd694c78ba30bc/reports/027f7fda-f654-4abc-8b90-7a6746802d1b/overview
Result
Gathering data
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/399dd3c3-10d7-4441-893d-e815fa659903
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1825218
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1825218 Sample: b2.elf Startdate: 03/12/2025 Architecture: LINUX Score: 56 29 195.177.94.107, 23451, 41908 DINET-ASRU Ukraine 2->29 31 1.1.1.1, 53, 55343 CLOUDFLARENETUS Australia 2->31 33 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Connects to many ports of the same IP (likely port scanning) 2->37 9 b2.elf 2->9         started        12 xfce4-panel wrapper-2.0 2->12         started        14 dash rm 2->14         started        16 8 other processes 2->16 signatures3 process4 signatures5 41 Sample tries to kill multiple processes (SIGKILL) 9->41 18 b2.elf 9->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 12->20         started        process6 process7 22 b2.elf 18->22         started        process8 24 b2.elf 22->24         started        27 b2.elf 22->27         started        signatures9 39 Sample tries to kill multiple processes (SIGKILL) 24->39
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/73bfc9d438cd3c35d35a508c7ccb3e8c6683a9368b0daeb73ca9c4cc721b3270
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73bfc9d438cd3c35d35a508c7ccb3e8c6683a9368b0daeb73ca9c4cc721b3270/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-03 09:25:24 UTC
File Type:
ELF32 Big (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oo74tvbyzu6dlu22kcghzsz6rrtihkjwrmg25nz4vhcmy4q3gjya._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
discovery
Link:
https://tria.ge/reports/251203-ldsftavpfv/
Behaviour
Reads runtime system information
Changes its process name
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/73bfc9d438cd3c35d35a508c7ccb3e8c6683a9368b0daeb73ca9c4cc721b3270

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: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 73bfc9d438cd3c35d35a508c7ccb3e8c6683a9368b0daeb73ca9c4cc721b3270

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3723751/
  
Delivery method
Distributed via web download

Comments