MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef885bc4081bea74842eee840a90c48901bec4356b047ddc3ac19c98fcf2598e. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef885bc4081bea74842eee840a90c48901bec4356b047ddc3ac19c98fcf2598e
SHA3-384 hash: c0df6f1d66bac74cbbc08fcd4d9951c3bd04853b0fb47f2a65447b2bbdd3397132993e47f723dc2443de5fa31b7d50f4
SHA1 hash: 455a3c12cc5e1bf26e955f1982c2f70e90b6e865
MD5 hash: e83c283407a2daf8383ee01de44a84a3
humanhash: lake-blossom-magnesium-chicken
File name:zerarm7
Download: download sample
Signature Mirai
Create hunting rule
File size:75'104 bytes
First seen:2025-12-17 11:22:13 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:CRncsW9AjyWUPqIO7A8ey6JJTUK7KGYkF8aIE912B8jpd9llPi/KD5qGYn:7sdhLkF8aT912B8xGKD5VYn
TLSH T17F73E54ABC819F21D4E522BEFA2F114D336357B8E3EF7112D9101B15778A92B0E77A02
telfhash t1e1d02b918d0c0b8c9bc0c29017b9560b1f04a1a4331523a9cceb9ffb50039553b19174
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Creating a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-17T08:31:00Z UTC
Last seen:
2025-12-17T10:58:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen
Link:
https://opentip.kaspersky.com/ef885bc4081bea74842eee840a90c48901bec4356b047ddc3ac19c98fcf2598e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/fd16d7c5-2d22-4c89-8251-e5f2e7ef9d91
Behavior Graph:
Download SVG
%3 guuid=1df59309-1b00-0000-b12d-f54afb0b0000 pid=3067 /usr/bin/sudo guuid=5f561f0b-1b00-0000-b12d-f54a020c0000 pid=3074 /tmp/sample.bin guuid=1df59309-1b00-0000-b12d-f54afb0b0000 pid=3067->guuid=5f561f0b-1b00-0000-b12d-f54a020c0000 pid=3074 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/38614b6a-d0d1-400b-b1b7-e70166cbcd35
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1834715
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1834715 Sample: zerarm7.elf Startdate: 17/12/2025 Architecture: LINUX Score: 48 18 34.254.182.186, 443, 44532 AMAZON-02US United States 2->18 20 165.232.127.233, 39691, 48502 ALLEGHENYHEALTHNETWORKUS United States 2->20 22 seris.gd 2->22 24 Multi AV Scanner detection for submitted file 2->24 8 zerarm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 zerarm7.elf 8->14         started        process6 16 zerarm7.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef885bc4081bea74842eee840a90c48901bec4356b047ddc3ac19c98fcf2598e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef885bc4081bea74842eee840a90c48901bec4356b047ddc3ac19c98fcf2598e/
Verdict:
Malicious
Threat:
Backdoor.Linux.Mirai
Link:
https://tip.neiki.dev/file/ef885bc4081bea74842eee840a90c48901bec4356b047ddc3ac19c98fcf2598e
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-17 11:23:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 23 (43.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56efxraidpvhjbbo52cavegerea35rbvnmch3xb2ygojr7hslgha._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/251217-ngqgqswnan/
Behaviour
Changes its process name
Renames itself
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9885259-0
YARA:
n/a
Link:
https://app.threat.zone/submission/4c776c4a-8bb7-48af-826e-cfcf2cacec96
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/ef885bc4081bea74842eee840a90c48901bec4356b047ddc3ac19c98fcf2598e

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 ef885bc4081bea74842eee840a90c48901bec4356b047ddc3ac19c98fcf2598e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3726320/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3726267/

Comments