MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5fca318a1f578f2b29809ebe35630965b68cbe02d8a10967681411c23e6955b. 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

SHA256 hash: f5fca318a1f578f2b29809ebe35630965b68cbe02d8a10967681411c23e6955b
SHA3-384 hash: f25845557855b7f15c81ededc4bc0979b8af73a5a4938557a1b1d90ee7c9fedc3a02484967fbdb7186d43fec58f28c5e
SHA1 hash: 46c7935821c71f70aa15e605e7dce3a689c0abc2
MD5 hash: 6adfbbdd6ab7a89068a666e12a28418c
humanhash: juliet-tennessee-echo-october
File name:arm6
Download: download sample
Signature Mirai
File size:221'468 bytes
First seen:2026-01-01 00:08:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:x5m/1k7VmpBREHKVAbW58fyexfKNwODuxEHK1gj04zRXP7maUxWxBdYZltfjW:x5m/yhKREHKVAbW58fyKfKNwODuxEHKz
TLSH T102242B42F9418E12C5C112FAFB5E518D37136B79E2EA7202DD24AF60378A8EF0E7B551
telfhash t1ea3130a2db500e7cb3de8195cfadb022a6fc359a77012947c31ce25f0a939c1b829817
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 8664a512807f9d50a0d85f03c0189db7650db62a35b196c85a713280e65c7fe9
File size (compressed) :78'720 bytes
File size (de-compressed) :221'468 bytes
Format:linux/arm
Packed file: 8664a512807f9d50a0d85f03c0189db7650db62a35b196c85a713280e65c7fe9

Intelligence


File Origin
# of uploads :
1
# of downloads :
36
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
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash gcc lolbin obfuscated rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-31T21:21:00Z UTC
Last seen:
2025-12-31T21:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=a300b07f-1d00-0000-1c69-291dfe0a0000 pid=2814 /usr/bin/sudo guuid=72108682-1d00-0000-1c69-291d030b0000 pid=2819 /tmp/sample.bin guuid=a300b07f-1d00-0000-1c69-291dfe0a0000 pid=2814->guuid=72108682-1d00-0000-1c69-291d030b0000 pid=2819 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842900 Sample: arm6.elf Startdate: 01/01/2026 Architecture: LINUX Score: 80 33 169.254.169.254, 80 USDOSUS Reserved 2->33 35 151.242.30.13, 12121, 49858 RASANAIR Iran (ISLAMIC Republic Of) 2->35 37 3 other IPs or domains 2->37 39 Found malware configuration 2->39 41 Antivirus detection for dropped file 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 2 other signatures 2->45 8 arm6.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 file5 31 /usr/local/bin/infinitd, ELF 8->31 dropped 15 arm6.elf sh 8->15         started        17 arm6.elf sh 8->17         started        19 arm6.elf 8->19         started        21 2 other processes 8->21 process6 process7 23 sh systemctl 15->23         started        25 sh systemctl 17->25         started        27 arm6.elf 19->27         started        29 arm6.elf 19->29         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-01 00:09:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery persistence privilege_escalation
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
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 f5fca318a1f578f2b29809ebe35630965b68cbe02d8a10967681411c23e6955b

(this sample)

Comments