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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 237f12f5a34ae1c7e21aa2c2e539d6f75c272b6596909a7c47a06a75b722ca4b. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 237f12f5a34ae1c7e21aa2c2e539d6f75c272b6596909a7c47a06a75b722ca4b
SHA3-384 hash: a36d387aeefe702f672a2f7a4c49b5bc9c03c2611771dbdaae63bef63708cb26383894e42f1ac9ee3aa95834175376bb
SHA1 hash: 26e43acf902246997c493acad7a42a28235b6603
MD5 hash: 6db04aa6a41865835da32195dd5dd6a7
humanhash: lactose-ink-stream-vermont
File name:main.x86-64-v2
Download: download sample
Signature Mirai
Create hunting rule
File size:70'736 bytes
First seen:2026-10-12 16:46:05 UTC
Last seen:2026-10-13 01:28:12 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:DGuWeIZlPq5YAAh1DX7Z6aQxiXuvkCKmFR3BW2clpUr:DG2oq5YAAbX7Z6X50A
TLSH T14063E81BB6A3B0BCC287C0745A5AD9B2BD31B8B402213D3F77C4FA312935E516669F61
telfhash t1432107b6886d2650f2dbe9226355f535863229b530c436f59a7ba4f8df11bc30db2423
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 :
3
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.ELF.Agent-ERA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Runs as daemon
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6acd0ed85bcba64511f353ff/reports/f69b5bc5-a183-47e9-9b34-9430b533f6b8/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/237f12f5a34ae1c7e21aa2c2e539d6f75c272b6596909a7c47a06a75b722ca4b
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-10-12T14:59:00Z UTC
Last seen:
2026-10-13T18:21:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/237f12f5a34ae1c7e21aa2c2e539d6f75c272b6596909a7c47a06a75b722ca4b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0f67949b-2e02-4b13-87f8-8dc353a11d7e
Behavior Graph:
Download SVG
%3 guuid=9e5a9af8-1a00-0000-a26e-1ac985080000 pid=2181 /usr/bin/sudo guuid=937dcffa-1a00-0000-a26e-1ac988080000 pid=2184 /tmp/sample.bin delete-file guuid=9e5a9af8-1a00-0000-a26e-1ac985080000 pid=2181->guuid=937dcffa-1a00-0000-a26e-1ac988080000 pid=2184 execve guuid=54a3fcfa-1a00-0000-a26e-1ac989080000 pid=2185 /tmp/sample.bin zombie guuid=937dcffa-1a00-0000-a26e-1ac988080000 pid=2184->guuid=54a3fcfa-1a00-0000-a26e-1ac989080000 pid=2185 clone guuid=df5a0bfb-1a00-0000-a26e-1ac98a080000 pid=2186 /tmp/sample.bin net send-data zombie guuid=54a3fcfa-1a00-0000-a26e-1ac989080000 pid=2185->guuid=df5a0bfb-1a00-0000-a26e-1ac98a080000 pid=2186 clone 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=df5a0bfb-1a00-0000-a26e-1ac98a080000 pid=2186->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 32f29f7a-3aae-5874-8f89-5e9cdbb51b0d 94.154.43.12:23 guuid=df5a0bfb-1a00-0000-a26e-1ac98a080000 pid=2186->32f29f7a-3aae-5874-8f89-5e9cdbb51b0d send: 1976B guuid=9b733efb-1a00-0000-a26e-1ac98b080000 pid=2187 /tmp/sample.bin guuid=df5a0bfb-1a00-0000-a26e-1ac98a080000 pid=2186->guuid=9b733efb-1a00-0000-a26e-1ac98b080000 pid=2187 clone guuid=05ea59fb-1a00-0000-a26e-1ac98c080000 pid=2188 /usr/bin/bash guuid=df5a0bfb-1a00-0000-a26e-1ac98a080000 pid=2186->guuid=05ea59fb-1a00-0000-a26e-1ac98c080000 pid=2188 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f59c6dce-5ed7-470c-acf0-e17401f732b6
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1986061
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1986061 Sample: main.x86-64-v2.elf Startdate: 12/10/2026 Architecture: LINUX Score: 56 42 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->42 44 94.154.43.12, 23, 43270 CDNEXTGB Netherlands 2->44 46 daisy.ubuntu.com 2->46 48 Multi AV Scanner detection for submitted file 2->48 12 main.x86-64-v2.elf 2->12         started        15 gnome-session-binary sh gsd-rfkill 2->15         started        17 xfce4-panel wrapper-2.0 2->17         started        19 6 other processes 2->19 signatures3 process4 signatures5 52 Sample deletes itself 12->52 21 main.x86-64-v2.elf 12->21         started        process6 process7 23 main.x86-64-v2.elf 21->23         started        process8 25 main.x86-64-v2.elf 23->25         started        28 main.x86-64-v2.elf bash 23->28         started        signatures9 50 Sample tries to kill multiple processes (SIGKILL) 25->50 30 bash lesspipe 28->30         started        32 bash groups 28->32         started        34 bash dircolors 28->34         started        process10 process11 36 lesspipe 30->36         started        38 lesspipe basename 30->38         started        process12 40 lesspipe dirname 36->40         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/237f12f5a34ae1c7e21aa2c2e539d6f75c272b6596909a7c47a06a75b722ca4b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/237f12f5a34ae1c7e21aa2c2e539d6f75c272b6596909a7c47a06a75b722ca4b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Suspicious
First seen:
2026-10-12 16:46:20 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=en7rf5ndjlq4pyq2ulbokoow65ocok3fs2iju7chubvhlnzczjfq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux
Link:
https://tria.ge/reports/261012-t93knat12j/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Enumerates running processes
Deletes itself
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/237f12f5a34ae1c7e21aa2c2e539d6f75c272b6596909a7c47a06a75b722ca4b

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: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 237f12f5a34ae1c7e21aa2c2e539d6f75c272b6596909a7c47a06a75b722ca4b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3898670/
  
Delivery method
Distributed via web download

Comments