MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5fb7dc78ff2f03cbe493a5d77a68543af4a8e91093b6ed0b5b74e525b1dfbba. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5fb7dc78ff2f03cbe493a5d77a68543af4a8e91093b6ed0b5b74e525b1dfbba
SHA3-384 hash: 825278490c6c338e8fce05c811cc0f068171c67ba9c80d01eba5e0cb7162cdeb37fa0c64c199d190e05e7ac20350618c
SHA1 hash: 2aa7ee348bfb6de517d9e4588957df9ed58bcb03
MD5 hash: 250dbf10f51708efb1b6a91f11bce21f
humanhash: double-may-lamp-bluebird
File name:arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:205'314 bytes
First seen:2026-08-05 07:09:06 UTC
Last seen:2026-08-06 04:59:29 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:/D1vt3yYaau0K/zQqDx4mWltYrZxa5F4sss:LZtCYaH0Gjx4mWltYrba5F4sss
TLSH T115142B02D5504B57C1C21BBABB9B425937336F64D3DB3302AA24BFB42F86BAD1E2D511
telfhash t1b47164a8953c05d9de630c15a8a96bf34987f12922e5bb19ff16ccc4085e42cf268d0f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai-33.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7489238-0
Create hunting rule

Unix.Trojan.Mirai-9917488-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Sends data to a server
Connection attempt
Launching a process
Runs as daemon
Collects information on the CPU
Collects information on the OS
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
base64 gcc obfuscated rust
Link:
https://www.filescan.io/uploads/6a72e1dc7375c0ca2f15baf4/reports/9e28fd2e-70ae-4ec2-9a0d-019396a55dd6/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-02T20:32:00Z UTC
Last seen:
2026-08-07T03:55:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c5fb7dc78ff2f03cbe493a5d77a68543af4a8e91093b6ed0b5b74e525b1dfbba/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0835d2ad-5100-44b9-adf0-fc2f4e89ca06
Behavior Graph:
Download SVG
%3 guuid=a800ddf0-1a00-0000-9424-fd92cb080000 pid=2251 /usr/bin/sudo guuid=f85989f4-1a00-0000-9424-fd92d5080000 pid=2261 /tmp/sample.bin guuid=a800ddf0-1a00-0000-9424-fd92cb080000 pid=2251->guuid=f85989f4-1a00-0000-9424-fd92d5080000 pid=2261 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/291dc60a-4821-40af-89eb-632cf45373dc
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c5fb7dc78ff2f03cbe493a5d77a68543af4a8e91093b6ed0b5b74e525b1dfbba
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c5fb7dc78ff2f03cbe493a5d77a68543af4a8e91093b6ed0b5b74e525b1dfbba/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-03 01:54:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yx5x3r4p6lydzpsjhjoxpjufioxuvdurbe5w5ufvw5hfewy57o5a._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
antivm discovery
Link:
https://tria.ge/reports/260805-hy5ebs1fkh/
Behaviour
Reads runtime system information
Checks CPU configuration
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/c5fb7dc78ff2f03cbe493a5d77a68543af4a8e91093b6ed0b5b74e525b1dfbba

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 c5fb7dc78ff2f03cbe493a5d77a68543af4a8e91093b6ed0b5b74e525b1dfbba

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3897204/
  
Delivery method
Distributed via web download

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