MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1b1d2778d1ca137efea7b8e3e33ddc1ab59cd7771866b3214a9535b3bc6c674. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d1b1d2778d1ca137efea7b8e3e33ddc1ab59cd7771866b3214a9535b3bc6c674
SHA3-384 hash: 9359c686160464282eca5a39c4b933ee06e3578ca530bc2ea5f126f12f455a8e4bdd19d7febb9669461e2b7d9ad4ad57
SHA1 hash: 52b67c4dfc4803db68f1f993f63888bfc4c3b0f7
MD5 hash: f9afa1af9603bdf3d23a1ddca3514386
humanhash: seven-triple-undress-wyoming
File name:micro.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:24'660 bytes
First seen:2026-05-21 15:01:01 UTC
Last seen:2026-05-21 15:47:47 UTC
File type: elf
MIME type:application/x-executable
ssdeep 384:fqQVLpixm7ja0yR4NVmd9wK9DhnuCc5B7CQGXEOqlk5EwXuvhymdGUop5hIH:flI0dVgqShu9ZgXEdkLqs3UozaH
TLSH T135B2D060B757B8F0C2B841369DBE808662F54C30E29C7827542513B5FAE7B8681F58FB
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 UPX
File size (compressed) :24'660 bytes
File size (de-compressed) :56'080 bytes
Format:linux/arm
Unpacked file: f0a8e7ee421cb0d0a9fbfffd20c62f1d33421561461487f9816fee7da86583b5

Intelligence

File Origin
# of uploads :
2
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9e20d8e7-e852-4691-8cbd-cdfa58864d2c/
Gathering data
Result
Verdict:
Clean
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/6a0f2780efbd399b39c3bd32/reports/3fdeff1b-19cc-4369-83bc-62249930e592/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/96ceba93-3dd4-4695-9198-c0300d9e609f
Behavior Graph:
Download SVG
%3 guuid=1ff54612-1700-0000-f4a8-e3cafb0d0000 pid=3579 /usr/bin/sudo guuid=ccfd9b14-1700-0000-f4a8-e3ca030e0000 pid=3587 /tmp/sample.bin guuid=1ff54612-1700-0000-f4a8-e3cafb0d0000 pid=3579->guuid=ccfd9b14-1700-0000-f4a8-e3ca030e0000 pid=3587 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/446e3f6b-abfc-4b6b-952a-60101aee83e6
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
22 / 100
Link:
https://www.joesandbox.com/analysis/1917203
Signature
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1917203 Sample: micro.arm5.elf Startdate: 21/05/2026 Architecture: LINUX Score: 22 12 109.202.202.202, 80 INIT7CH Switzerland 2->12 14 91.189.91.42, 443 CANONICAL-ASGB United States 2->14 16 2 other IPs or domains 2->16 18 Sample is packed with UPX 2->18 6 dash rm 2->6         started        8 dash rm 2->8         started        10 micro.arm5.elf 2->10         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d1b1d2778d1ca137efea7b8e3e33ddc1ab59cd7771866b3214a9535b3bc6c674
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d1b1d2778d1ca137efea7b8e3e33ddc1ab59cd7771866b3214a9535b3bc6c674/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2gy5e54ndsqtp37kpohd4m65ygvvttlxogdgwmquvfjvwo6gyz2a._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260521-skstgsbt4y/
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: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:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf d1b1d2778d1ca137efea7b8e3e33ddc1ab59cd7771866b3214a9535b3bc6c674

(this sample)

Mirai

elf f0a8e7ee421cb0d0a9fbfffd20c62f1d33421561461487f9816fee7da86583b5

  
URLhaus
https://urlhaus.abuse.ch/url/3842299/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 f0a8e7ee421cb0d0a9fbfffd20c62f1d33421561461487f9816fee7da86583b5
  
Dropping
MD5 64c0438b39473de24ca5311653a8c2cb

Comments