MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb3ef512255510b8979c99a9608d9ceff0c1b9b2161f3dd099a62cf4f927b4fc. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb3ef512255510b8979c99a9608d9ceff0c1b9b2161f3dd099a62cf4f927b4fc
SHA3-384 hash: 59394941d061ab9dc35bf4611c398b75cb7133d31aa96d6ccca1bea6d3240e79d8c2966a8e7b5e29a560c8eb11129473
SHA1 hash: cc4f1c43944a9bbb0b2ce1fcd5679371fc3d7235
MD5 hash: 5057ef7783632cbc88b4c01ee642f26f
humanhash: skylark-orange-thirteen-kilo
File name:fentarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:37'360 bytes
First seen:2026-01-10 12:52:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Oj+PMuf/OiXGioneGIFNRQ4nJeuoeSAoZRrnOwGGSRA1:JMuf/OiH1hQ4nMuyhqwBSR
TLSH T19DF21895BC920E6AC6E413BEBA3E028D336527B8D2CF7356C4055B507B8694F0E77B41
telfhash t16be07d01b974da5c8dcbda749cae06e95a017267a4579f20ef00dba0d83f444e70dd9b
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/f2ea492c-8dee-4707-b88b-06c7d8c86433/
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/69624b9907ef5fa68e83b4bd/reports/2b7ada13-fbda-477d-af75-3567d827f232/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-10T11:05:00Z UTC
Last seen:
2026-01-10T11:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cb3ef512255510b8979c99a9608d9ceff0c1b9b2161f3dd099a62cf4f927b4fc/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2789eab4-b245-4cce-a0e9-92bdde8e4135
Behavior Graph:
Download SVG
%3 guuid=3b3f5101-1700-0000-6c60-add1070e0000 pid=3591 /usr/bin/sudo guuid=1131d303-1700-0000-6c60-add10e0e0000 pid=3598 /tmp/sample.bin guuid=3b3f5101-1700-0000-6c60-add1070e0000 pid=3591->guuid=1131d303-1700-0000-6c60-add10e0e0000 pid=3598 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cc0bf373-56f0-4c03-b016-bf1af7c589a3
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1847877
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847877 Sample: fentarm7.elf Startdate: 10/01/2026 Architecture: LINUX Score: 48 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 fentarm7.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cb3ef512255510b8979c99a9608d9ceff0c1b9b2161f3dd099a62cf4f927b4fc
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb3ef512255510b8979c99a9608d9ceff0c1b9b2161f3dd099a62cf4f927b4fc/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-10 12:54:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zm7pkerfkuilrf44tguwbdm457ymdonscypt3uezuywpj6jhwt6a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260110-p4habagv4h/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3c3c94c0-d671-4eca-b428-9bd2701806b0
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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() 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 cb3ef512255510b8979c99a9608d9ceff0c1b9b2161f3dd099a62cf4f927b4fc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3754098/
  
Delivery method
Distributed via web download

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