MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efc7fee5e4b9829efca670275ee940e66e2855bbc11e13be142b40ee04808787. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efc7fee5e4b9829efca670275ee940e66e2855bbc11e13be142b40ee04808787
SHA3-384 hash: fe57f49452438e362be221db8ec5403f2553ea16a5f4544020661c5ad19aab97942131bba3b6f0c46e9f431bb0a3cf73
SHA1 hash: 1f526d81d6b480201d1e0d392339a49ae41bad32
MD5 hash: ff679317cc913e0addcb9f066aeb9898
humanhash: king-burger-ten-beryllium
File name:zero.armv7l
Download: download sample
Signature Mirai
Create hunting rule
File size:35'448 bytes
First seen:2026-06-03 01:41:41 UTC
Last seen:2026-06-03 17:38:22 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:VQpgV+XF2BViTtHjGel78BvWZrBwhjTC6r9q3UEL4:VtVS2V4DGE8MihjyL4
TLSH T17EF2F122A5676921E014283F2F5547CA7B3B5DF0E1AEFDD726C45A8068CA40B3AFCD53
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 UPX
File size (compressed) :35'448 bytes
File size (de-compressed) :72'128 bytes
Format:linux/arm
Unpacked file: 4bf982fcbc5f74bb9d72087e0d38ee739bfeeec8a5b0a63c9414c8fc4126208d

Intelligence

File Origin
# of uploads :
2
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/132ef9aa-abc0-4445-9dac-a01a2714857e/
Detection(s):
SecuriteInfo.com.ELF.Mirai-GH.94676381.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Creating a file
Connection attempt
Sends data to a server
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a1f868446e44aecc0cb4791/reports/d1f6561a-2c11-4c83-998f-828f623e9361/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/efc7fee5e4b9829efca670275ee940e66e2855bbc11e13be142b40ee04808787
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/781ccce2-c8e4-40b1-8847-94b82ea5c36b
Behavior Graph:
Download SVG
%3 guuid=301001a1-1900-0000-f4fc-0495c40e0000 pid=3780 /usr/bin/sudo guuid=0be821a4-1900-0000-f4fc-0495d60e0000 pid=3798 /tmp/sample.bin guuid=301001a1-1900-0000-f4fc-0495c40e0000 pid=3780->guuid=0be821a4-1900-0000-f4fc-0495d60e0000 pid=3798 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/acee72f4-d2b6-4a06-8717-81ca5c87f92c
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/efc7fee5e4b9829efca670275ee940e66e2855bbc11e13be142b40ee04808787
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efc7fee5e4b9829efca670275ee940e66e2855bbc11e13be142b40ee04808787/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-06-03 01:42:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57d75zpexgbj57fgoatv52ka4zxcqvn3yepbhpqufnao4beaq6dq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery upx
Link:
https://tria.ge/reports/260603-b4xs4sf15x/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Enumerates running processes
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/efc7fee5e4b9829efca670275ee940e66e2855bbc11e13be142b40ee04808787

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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 efc7fee5e4b9829efca670275ee940e66e2855bbc11e13be142b40ee04808787

(this sample)

Mirai

elf 4bf982fcbc5f74bb9d72087e0d38ee739bfeeec8a5b0a63c9414c8fc4126208d

  
URLhaus
https://urlhaus.abuse.ch/url/3857824/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 4bf982fcbc5f74bb9d72087e0d38ee739bfeeec8a5b0a63c9414c8fc4126208d
  
Dropping
MD5 6bf1582107c07a32ac1c0301cc1ca652

Comments