MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5efbf8d5ec685ca23172d9c5f6170bded9b36f10d51ea1b7a725876fe997fd3d. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5efbf8d5ec685ca23172d9c5f6170bded9b36f10d51ea1b7a725876fe997fd3d
SHA3-384 hash: 77ab2ef3a55a5b05ba550d36f27ca6792653ecca2647865ce6add4a15e681da5636aee53888a638b89a7a35a326c1d6d
SHA1 hash: a8c1c76ed51f64b5967e00e6e22979640dd24171
MD5 hash: 0ea3db756a81a4c0a9d25d098ee3efa7
humanhash: west-johnny-six-steak
File name:jklarm5
Download: download sample
Signature Mirai
Create hunting rule
File size:99'720 bytes
First seen:2026-01-24 12:33:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:YMTiwrQBu176XKuwPg4467wYrs3zDrLNX2N6c3dx0/b:YMiw0BnauAF7wYrA/rLUN6c3n0/
TLSH T108A31986BCC5C702C6E071B2BB1F51DE335643B8E3E6B1138D19AB29675B85B0E3B251
telfhash t17a4131a6cf541fcc47ea5625926b310a16fc30ae2b192857eb3c6b5f09534c2313d82b
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 :
31
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai rust
Link:
https://www.filescan.io/uploads/6974bc4d55805a763ff421c9/reports/dbd0bc6a-e296-4ff3-9d47-4fab733b46a8/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
92
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/5efbf8d5ec685ca23172d9c5f6170bded9b36f10d51ea1b7a725876fe997fd3d
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/4c806742-65ff-4c2a-b06c-78471fb0e332
Behavior Graph:
Download SVG
%3 guuid=f581708c-1900-0000-1820-a4d9da090000 pid=2522 /usr/bin/sudo guuid=01985c8f-1900-0000-1820-a4d9e4090000 pid=2532 /tmp/sample.bin guuid=f581708c-1900-0000-1820-a4d9da090000 pid=2522->guuid=01985c8f-1900-0000-1820-a4d9e4090000 pid=2532 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8c86a322-878d-4128-9d2a-7180e0ef68b7
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1856765
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1856765 Sample: jklarm5.elf Startdate: 24/01/2026 Architecture: LINUX Score: 68 24 94.55.10.116 TURKSAT-ASTR Turkey 2->24 26 94.55.10.121 TURKSAT-ASTR Turkey 2->26 28 100 other IPs or domains 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Connects to many IPs within the same subnet mask (likely port scanning) 2->34 8 jklarm5.elf .systemd-journald 2->8         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 file5 22 /dev/shm/.systemd-journald, ELF 8->22 dropped 36 Drops invisible ELF files 8->36 38 Sample deletes itself 8->38 16 .systemd-journald 8->16         started        signatures6 process7 process8 18 .systemd-journald 16->18         started        20 .systemd-journald 16->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5efbf8d5ec685ca23172d9c5f6170bded9b36f10d51ea1b7a725876fe997fd3d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5efbf8d5ec685ca23172d9c5f6170bded9b36f10d51ea1b7a725876fe997fd3d/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l357rvpmnbokemls3hc7mfyl33m3g3yq2upkdn5hewdw72mx7u6q._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260124-rre1jads5c/
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/5efbf8d5ec685ca23172d9c5f6170bded9b36f10d51ea1b7a725876fe997fd3d

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_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 5efbf8d5ec685ca23172d9c5f6170bded9b36f10d51ea1b7a725876fe997fd3d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739435/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739201/

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