MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cef78d2bfcbef0d80388d7f4caaa8a8fa85dae46ba21354168d892348982ae2b. 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

SHA256 hash: cef78d2bfcbef0d80388d7f4caaa8a8fa85dae46ba21354168d892348982ae2b
SHA3-384 hash: dfd78d1cc41d4e713bb6a575165fd35cc0467404b0beb91eb593bb734e409de750c77153d2a4e2a347369c4988043719
SHA1 hash: 88be94ee63a439c854cbe410793c03152de4848b
MD5 hash: f612472e312f959e062d11b80c35ee50
humanhash: william-sodium-west-neptune
File name:daredevil.armv5l
Download: download sample
Signature Mirai
File size:154'252 bytes
First seen:2026-08-28 20:04:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:zvWnyVpMhqAcui40p4XUEBjMA51R1gnXB:zvWnyTM0Ruinp4XbBj17/gnR
TLSH T10CE30A86BC819B13C6E261B7FF5F428D77260368D3EA71079C296B21379B5670E3B241
telfhash t107311256c9d819dc62f5c06888ae61131ea434ff7f1218175f4ea74fda23dc23824461
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 8e26c7f9d1f90a564b9f509dc669a736b864be32a1d6610e5b3adf0a1fb2a4a6
File size (compressed) :53'072 bytes
File size (de-compressed) :154'252 bytes
Format:linux/arm
Packed file: 8e26c7f9d1f90a564b9f509dc669a736b864be32a1d6610e5b3adf0a1fb2a4a6

Intelligence


File Origin
# of uploads :
1
# of downloads :
63
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm bash bashlite lolbin 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
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-29T20:13:00Z UTC
Last seen:
2026-08-30T18:15:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=fe521f8a-1900-0000-5caa-67db0b0c0000 pid=3083 /usr/bin/sudo guuid=4e49d28b-1900-0000-5caa-67db120c0000 pid=3090 /tmp/sample.bin guuid=fe521f8a-1900-0000-5caa-67db0b0c0000 pid=3083->guuid=4e49d28b-1900-0000-5caa-67db120c0000 pid=3090 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-28 20:05:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
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_Threat_d94e1020
Author:Elastic Security
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:vmdetect
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 cef78d2bfcbef0d80388d7f4caaa8a8fa85dae46ba21354168d892348982ae2b

(this sample)

  
Delivery method
Distributed via web download

Comments