MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40238b4f8128c4a922610017e51aec9b42dc4341bbaa0f35538fb91db79befa6. 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: 9


Intelligence 9 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40238b4f8128c4a922610017e51aec9b42dc4341bbaa0f35538fb91db79befa6
SHA3-384 hash: d2f784bdbe7e016e915187d78e5d5da6e7a681ad9a756dbd8753a426f770aeef73b9b4cf4060f76820fcdb5dec7d4b22
SHA1 hash: e2fbc4388ad46fc524da4709599bb5bcf8010127
MD5 hash: c1859dfd3d00d145910f8e62f22de43c
humanhash: india-tennis-quiet-butter
File name:SecuriteInfo.com.Linux.Mirai.9816.13890.27155
Download: download sample
Signature Mirai
Create hunting rule
File size:169'349 bytes
First seen:2026-02-13 20:45:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:jrNoRdlRm4EpkhYT2OXDcY0GCGTJQAU58+4Urr8TNM/9jIceE3C:jrNoRdlRm4xhYKk+GCGTJQF52UrrEM/w
TLSH T18CF34C45EA408A53C0D717BBFAAF0149333297D5A3DB730689285FB43F86A5F0D67A06
telfhash t1b431fe711b1786291a50ee9ca8dd3766161c93476241ef33ef2588ac201009eee2fc0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 57e9666348b7c2fa584cde50f1123fb9ea5d9c679f279bed334e9a633aca12f1
File size (compressed) :59'320 bytes
File size (de-compressed) :169'349 bytes
Format:linux/arm
Packed file: 57e9666348b7c2fa584cde50f1123fb9ea5d9c679f279bed334e9a633aca12f1

Intelligence

File Origin
# of uploads :
1
# of downloads :
45
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/833f47d3-02af-4793-b4cb-d28c41123f58/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135996-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Dropper.Mirai-7171384-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Gafgyt-6748839-0
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
20
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/40238b4f8128c4a922610017e51aec9b42dc4341bbaa0f35538fb91db79befa6
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/802754b9-c879-4513-a1fd-5eebf6417b46
Behavior Graph:
Download SVG
%3 guuid=a1f0ba9f-1a00-0000-669d-6381170b0000 pid=2839 /usr/bin/sudo guuid=80076ea1-1a00-0000-669d-63811b0b0000 pid=2843 /tmp/sample.bin guuid=a1f0ba9f-1a00-0000-669d-6381170b0000 pid=2839->guuid=80076ea1-1a00-0000-669d-63811b0b0000 pid=2843 execve
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1869405
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40238b4f8128c4a922610017e51aec9b42dc4341bbaa0f35538fb91db79befa6
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/40238b4f8128c4a922610017e51aec9b42dc4341bbaa0f35538fb91db79befa6/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-13 20:46:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iarywt4bfdcksitbaal6kgxmtnbnyq2bxova6nktr64r3n4356ta._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/260213-zkdswsfy5c/
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 57e9666348b7c2fa584cde50f1123fb9ea5d9c679f279bed334e9a633aca12f1

Mirai

elf 40238b4f8128c4a922610017e51aec9b42dc4341bbaa0f35538fb91db79befa6

(this sample)

  
Dropped by
SHA256 57e9666348b7c2fa584cde50f1123fb9ea5d9c679f279bed334e9a633aca12f1
  
Dropped by
MD5 84da68b0e5a6acedbee95af9e46b06e9
  
URLhaus
https://urlhaus.abuse.ch/url/3777282/
  
Delivery method
Distributed via web download

Comments