MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a36d758f81331b3e670b665095977efeed6851b781006c0cfd4598f37ebdcedf. 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: a36d758f81331b3e670b665095977efeed6851b781006c0cfd4598f37ebdcedf
SHA3-384 hash: 8d99dc036d5b6aea6f7743da14b8df60db4104a69686c6839d51eade4457f36e8f2aedd5d1923776f82e71bb6276fdab
SHA1 hash: 028df297c67f3d976cd8063800b97b7c8e76f73c
MD5 hash: 5a47c222243008af014b0cad5202b507
humanhash: oklahoma-table-mango-alabama
File name:zerarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:91'680 bytes
First seen:2026-01-24 12:13:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:vRnAuX4TRQN4MnnjxwengE9vYf1gsZIBSfYAfNH6kkCgdsjdlgFi4dG6Q55:roTRWlnj6engE9wf1ggfYAfNH6kkCgl0
TLSH T1E293F8C9BC858B10D5D525BAFE0E218933538B78E3FA7103DE185B2E638EC5B0A3B555
telfhash t1a4f02e76cd4c119d7fc4316c44bd503b435a74ed7760299308199f4f8aa69c13154805
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-9885259-0
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
34
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a36d758f81331b3e670b665095977efeed6851b781006c0cfd4598f37ebdcedf
Behaviour
no suspicious findings
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/2e137c9f-57c4-4af1-b227-f5b860fffbd8
Behavior Graph:
Download SVG
%3 guuid=12228584-1900-0000-1bcb-2cc23b0b0000 pid=2875 /usr/bin/sudo guuid=88adef86-1900-0000-1bcb-2cc2410b0000 pid=2881 /tmp/sample.bin guuid=12228584-1900-0000-1bcb-2cc23b0b0000 pid=2875->guuid=88adef86-1900-0000-1bcb-2cc2410b0000 pid=2881 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/65a32953-c4e8-4e51-ae84-ae8d987523c7
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1856740
Signature
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1856740 Sample: zerarm7.elf Startdate: 24/01/2026 Architecture: LINUX Score: 56 18 167.99.246.88, 39691, 49120 DIGITALOCEAN-ASNUS United States 2->18 20 slursbeback.ru 2->20 22 Multi AV Scanner detection for submitted file 2->22 8 zerarm7.elf .systemd-journald 2->8         started        signatures3 process4 file5 16 /dev/shm/.systemd-journald, ELF 8->16 dropped 24 Drops invisible ELF files 8->24 26 Sample deletes itself 8->26 12 .systemd-journald 8->12         started        signatures6 process7 process8 14 .systemd-journald 12->14         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a36d758f81331b3e670b665095977efeed6851b781006c0cfd4598f37ebdcedf
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a36d758f81331b3e670b665095977efeed6851b781006c0cfd4598f37ebdcedf/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=unwxld4bgmnt4zylmzijlf3673wwqunxqeagydh5iwmpg7v5z3pq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/260124-pfsq5scs5d/
Behaviour
Reads runtime system information
Writes file to shm directory
Enumerates running processes
Deletes itself
Executes dropped EXE
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/a36d758f81331b3e670b665095977efeed6851b781006c0cfd4598f37ebdcedf

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_8299c877
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 a36d758f81331b3e670b665095977efeed6851b781006c0cfd4598f37ebdcedf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739140/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3740308/

Comments