MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa1b36a9a374cdaa7031d8214de122bb51c679c424b578e4ef8e4a90e986841e. 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 4 File information Comments

SHA256 hash: fa1b36a9a374cdaa7031d8214de122bb51c679c424b578e4ef8e4a90e986841e
SHA3-384 hash: 1041506ba441e0860a59f981b09bc036c79412c049eaf991be4fd57be1c813c47a1dfb74de36a6bcbe431f0345333843
SHA1 hash: 3767b943442f527b6335263c037c1bd8eae638d3
MD5 hash: a6f046b70f27b94f710396dc3af7eec8
humanhash: solar-mississippi-coffee-foxtrot
File name:daredevil.armv7l
Download: download sample
Signature Mirai
File size:42'664 bytes
First seen:2026-08-20 06:06:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:UFY5ZxcfNess6vMgpZpYCvTuBO6tCaWNgLSmOLA5DRMLChKESDb9q3UELHJ:UFY5ZukrUZPXatAaUgLS++LChKESOLp
TLSH T1621301D5A3A07163BD214C329212F8E8F5B86BFAD5BF6B634254450E7BC18C167B5242
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
File size (compressed) :42'664 bytes
File size (de-compressed) :98'044 bytes
Format:linux/arm
Unpacked file: 34fc57c3d7445601e1138d5450680931c709b8f0565a8533a21b48c28cee2bf1

Intelligence


File Origin
# of uploads :
1
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sends data to a server
Receives data from a server
Runs as daemon
Connection attempt
Substitutes an application name
Traces processes
Deleting of the original file
Status:
terminated
Behavior Graph:
%3 guuid=7b5d8b50-1700-0000-e6d9-9d4c7e0d0000 pid=3454 /usr/bin/sudo guuid=d24dff52-1700-0000-e6d9-9d4c850d0000 pid=3461 /tmp/sample.bin guuid=7b5d8b50-1700-0000-e6d9-9d4c7e0d0000 pid=3454->guuid=d24dff52-1700-0000-e6d9-9d4c850d0000 pid=3461 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-19 18:17:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery upx
Behaviour
Reads runtime system information
Traces itself
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf fa1b36a9a374cdaa7031d8214de122bb51c679c424b578e4ef8e4a90e986841e

(this sample)

Comments