MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4cf2835dd498314536a0b76a6d81f6b03b6eee060a0da9cbbca08bac6facf12. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments

SHA256 hash: a4cf2835dd498314536a0b76a6d81f6b03b6eee060a0da9cbbca08bac6facf12
SHA3-384 hash: 17f9cf6596a42a07986139a410bf51786df669ca53e5a052edd6cb016fc54e9166a2af6c071bb4f2b6f30a0f5e4cfc0d
SHA1 hash: 0d5eb1def766a167fef4aac394ada58e61832d19
MD5 hash: 4f253a683845af84d87eaef07e1411ff
humanhash: lake-foxtrot-eleven-carpet
File name:parm5
Download: download sample
Signature Mirai
File size:100'384 bytes
First seen:2026-05-14 12:17:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:VrMnf1UG44saiGRTDPGSQ/sD2fC967ao2Ih:pMn+UNxRisD2q9/o
TLSH T178A34B45BC82561AC6D463BBB96E568C33A653F8C2DF3266CC128B65378A91F0D37F40
telfhash t154f05904fe6a8e0948f69971ccbd17a0d403512791a21b20df52cbd0c83e448e308d1d
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 a0c0209387e13b992f97ba9ba3ae7315ae155d71fee623f0b817d6a78efdc701
File size (compressed) :42'092 bytes
File size (de-compressed) :100'384 bytes
Format:linux/arm
Packed file: a0c0209387e13b992f97ba9ba3ae7315ae155d71fee623f0b817d6a78efdc701

Intelligence


File Origin
# of uploads :
1
# of downloads :
51
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-14T09:26:00Z UTC
Last seen:
2026-05-16T02:59:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=41bb3284-1800-0000-555e-aa60900c0000 pid=3216 /usr/bin/sudo guuid=832c2586-1800-0000-555e-aa60930c0000 pid=3219 /tmp/sample.bin guuid=41bb3284-1800-0000-555e-aa60900c0000 pid=3216->guuid=832c2586-1800-0000-555e-aa60930c0000 pid=3219 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1913415 Sample: parm5.elf Startdate: 14/05/2026 Architecture: LINUX Score: 64 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 4 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Mirai 2->24 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 parm5.elf 2->12         started        signatures3 process4
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-05-14 12:18:35 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet
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
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:telebot_framework
Author:vietdx.mb
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:without_attachments
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any attachment
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:with_urls
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/

File information


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

Web download

Mirai

elf a4cf2835dd498314536a0b76a6d81f6b03b6eee060a0da9cbbca08bac6facf12

(this sample)

  
Delivery method
Distributed via web download

Comments