🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21ba21ea41967d3f8d9c3e08bbc2dd5d865c2ac12afda9854b7531ec01f06bd8. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21ba21ea41967d3f8d9c3e08bbc2dd5d865c2ac12afda9854b7531ec01f06bd8
SHA3-384 hash: 257fb7f6b3728c28082955539ddaf5a9bdd30f5b583a333dc83d089e05c9b05bf781d9c76860f921a9d140ca4755febc
SHA1 hash: bdfab22c160cef998fe26d8c14052e60e75c27c3
MD5 hash: 018c21a952fcaaeb90ed5aea53585553
humanhash: sierra-thirteen-skylark-october
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:24'600 bytes
First seen:2026-08-24 13:04:19 UTC
Last seen:2026-08-25 05:57:42 UTC
File type: elf
MIME type:application/x-executable
ssdeep 384:Zi1e4fKN9F32SkSb1TGdAy31pBGST5efRBjMeY/Fx4e:ZaePt32SVNGWi1jdQjMex
TLSH T13DB24C86FD814917CED11137FA2E828C37664BB4E2EF3307AB265F642746A1B0F3A545
telfhash t1e7117d514588ccade1c081aef06d93128516a1663c7d3c62f8ff580cd273df22831969
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

Intelligence

File Origin
# of uploads :
6
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
File Type:
elf.32.le
First seen:
2026-08-24T10:57:00Z UTC
Last seen:
2026-08-26T09:50:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/21ba21ea41967d3f8d9c3e08bbc2dd5d865c2ac12afda9854b7531ec01f06bd8/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/fc9ebcf4-84bf-42a8-84ba-065cd944fdf9
Behavior Graph:
Download SVG
%3 guuid=bfdaf20d-1e00-0000-3733-76ea150c0000 pid=3093 /usr/bin/sudo guuid=01b98e12-1e00-0000-3733-76ea160c0000 pid=3094 /tmp/sample.bin guuid=bfdaf20d-1e00-0000-3733-76ea150c0000 pid=3093->guuid=01b98e12-1e00-0000-3733-76ea160c0000 pid=3094 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/797f166d-b8f6-4cef-9521-1d2b00fed862
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1962743
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1962743 Sample: arm.elf Startdate: 24/08/2026 Architecture: LINUX Score: 56 21 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->21 23 103.161.17.92, 11121, 45986, 45988 BKNS-AS-VNBachKimNetworksolutionsJoinstockcompanyVN Vietnam 2->23 25 Antivirus / Scanner detection for submitted sample 2->25 27 Multi AV Scanner detection for submitted file 2->27 9 arm.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 process4 process5 13 arm.elf 9->13         started        process6 15 arm.elf 13->15         started        process7 17 arm.elf 15->17         started        19 arm.elf 15->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/21ba21ea41967d3f8d9c3e08bbc2dd5d865c2ac12afda9854b7531ec01f06bd8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21ba21ea41967d3f8d9c3e08bbc2dd5d865c2ac12afda9854b7531ec01f06bd8/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-24 13:05:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eg5cd2sbsz6t7dm4hyelxqw5lwdfykwbfl62tbklouy6yapqnpma._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260824-qbnr3aybja/
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/21ba21ea41967d3f8d9c3e08bbc2dd5d865c2ac12afda9854b7531ec01f06bd8

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_d94e1020
Create hunting rule
Author:Elastic Security
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/

File information

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

Web download

Mirai

elf 21ba21ea41967d3f8d9c3e08bbc2dd5d865c2ac12afda9854b7531ec01f06bd8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3907655/
  
Delivery method
Distributed via web download

Comments