MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21dc1aa73b9acfe8a32078826251faaa99c0e17546b2131e6302335b4027b88c. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21dc1aa73b9acfe8a32078826251faaa99c0e17546b2131e6302335b4027b88c
SHA3-384 hash: 536fdb9a22d8463c9f56e6de6c3a53e95b5b2199bd0203a73f6bdf416709f610b19b22d84c276f353c8a6979aa6371e2
SHA1 hash: b045e3070a8fef358b062e5d7e15d282748238dc
MD5 hash: 3169760f38b7bb6a50b6486ec43c3448
humanhash: single-bravo-don-harry
File name:arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:112'648 bytes
First seen:2026-01-29 05:39:23 UTC
Last seen:2026-01-29 11:16:09 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:hqiKVqVEpOFnYfG/7/0tZYC4dmnJokaZFbR17b5A7UfZpg0U0zB+f:hqiJPdYe/7/0tZYCCyJokaZFbR1pA7UW
TLSH T1B0B30946A9429B11D5C631FAFBAF414933136FB8E3FA7111D9206F6023C69DB0EB7612
telfhash t14de0c002d71c18ec63c9801812fab228fc62f2a01c3426913f95ec9d9157995712dc35
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.32452.LC.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Creating a file
Collects information on the CPU
Connection attempt
Traces processes
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand gcc lolbin mirai rust
Link:
https://www.filescan.io/uploads/697af291a57b6af70d11a3fd/reports/521c7eb8-381e-491a-aa30-38c614a37688/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/21dc1aa73b9acfe8a32078826251faaa99c0e17546b2131e6302335b4027b88c
Behaviour
Anti-VM
Process Renaming
Anti-Debugging
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-27T20:45:00Z UTC
Last seen:
2026-01-29T12:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/21dc1aa73b9acfe8a32078826251faaa99c0e17546b2131e6302335b4027b88c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a88f439e-dae6-42de-b1e2-6203572ee22b
Behavior Graph:
Download SVG
%3 guuid=f97da3b0-1600-0000-4939-79d7880d0000 pid=3464 /usr/bin/sudo guuid=3390abb2-1600-0000-4939-79d7900d0000 pid=3472 /tmp/sample.bin guuid=f97da3b0-1600-0000-4939-79d7880d0000 pid=3464->guuid=3390abb2-1600-0000-4939-79d7900d0000 pid=3472 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/384e355f-e7a9-4185-a5c7-c6908f80349b
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1859565
Signature
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21dc1aa73b9acfe8a32078826251faaa99c0e17546b2131e6302335b4027b88c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21dc1aa73b9acfe8a32078826251faaa99c0e17546b2131e6302335b4027b88c/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/21dc1aa73b9acfe8a32078826251faaa99c0e17546b2131e6302335b4027b88c
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-27 23:38:28 UTC
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ehobvjz3tlh6rizapcbgeup2vkm4bylvi2zbghtdaizvwqbhxcga._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai antivm discovery
Link:
https://tria.ge/reports/260129-gchsrsgy8c/
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Traces itself
Malware Config
C2 Extraction:
boats.dogmuncher.xyz
89.190.156.145
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/21dc1aa73b9acfe8a32078826251faaa99c0e17546b2131e6302335b4027b88c

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:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 21dc1aa73b9acfe8a32078826251faaa99c0e17546b2131e6302335b4027b88c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3765372/
  
Delivery method
Distributed via web download

Comments