MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cff9a967cf6dc52a77d084965adcb87ebe89385d312ba09a5b04dec1d7fb7bad. 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: 4


Intelligence 4 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cff9a967cf6dc52a77d084965adcb87ebe89385d312ba09a5b04dec1d7fb7bad
SHA3-384 hash: 2bc1403c5024aeb3e8fe6f142efbfea111bfd8895ac282641211fdf0903cf53a0f252d2d754aeaabc3977c9d0d4b3e69
SHA1 hash: 3d2cef8092e76e4e7956df65c7d47228ba23eea9
MD5 hash: b29b7eb6b8e323ea3084da5ccbc8d0d3
humanhash: quebec-william-king-robert
File name:daredevil.sparc
Download: download sample
Signature Mirai
Create hunting rule
File size:44'864 bytes
First seen:2026-08-29 03:09:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:a5IknYB8wpvfXzAgU0i4k4lVVG3zvgFaLyiJRk2oczFgH:a5IkyBpvfjlFi4plVVGDgFaLyiJJoqaH
TLSH T18913D712DE786A27C5D0737354E34A31E6B253E916A8968FBEA72C0DDD48320313E6DD
telfhash t168e0d841fd794f1989e696b4dc8d46a494015223a1564720cf51d7e08c3f554b70dd6e
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Mirai.10750.28247.21038.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
File Type:
elf.32.be
First seen:
2026-08-29T01:43:00Z UTC
Last seen:
2026-08-29T01:56:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cff9a967cf6dc52a77d084965adcb87ebe89385d312ba09a5b04dec1d7fb7bad/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/da525da7-79f2-4069-8b30-20399abde34e
Behavior Graph:
Download SVG
%3 guuid=8ad11b47-2000-0000-2847-e958cc090000 pid=2508 /usr/bin/sudo guuid=76e6724e-2000-0000-2847-e958de090000 pid=2526 /tmp/sample.bin guuid=8ad11b47-2000-0000-2847-e958cc090000 pid=2508->guuid=76e6724e-2000-0000-2847-e958de090000 pid=2526 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/43a72721-47e9-4bc4-a93b-c14f2e021478
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cff9a967cf6dc52a77d084965adcb87ebe89385d312ba09a5b04dec1d7fb7bad
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cff9a967cf6dc52a77d084965adcb87ebe89385d312ba09a5b04dec1d7fb7bad/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-29 03:09:23 UTC
File Type:
ELF32 Big (Exe)
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z742sz6pnxcsu56qqslfvxfyp27isoc5gev2bgs3atpmdv73powq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260829-dnlr1seg58/
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/cff9a967cf6dc52a77d084965adcb87ebe89385d312ba09a5b04dec1d7fb7bad

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
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
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:woof_mirai_variant
Create hunting rule
Author:Nokia Deepfield ERT
Description:Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:Internal analysis of sample 6ef4ce02

File information

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

Web download

Mirai

elf cff9a967cf6dc52a77d084965adcb87ebe89385d312ba09a5b04dec1d7fb7bad

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3906523/
  
Delivery method
Distributed via web download

Comments