MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40e23f258e0d45bb36cba0efe23d5cc9f8cf6f2fd3199003c4a8b54cf33f3aff. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40e23f258e0d45bb36cba0efe23d5cc9f8cf6f2fd3199003c4a8b54cf33f3aff
SHA3-384 hash: e1f0334ff1876ecb0c641784323869b7501f0ecec7b936b28c03840cec47e26122fe2de89c139cea0ffcbd0d5711aad9
SHA1 hash: f071935ecbee109e454e1e767abac2bd1fbc69d8
MD5 hash: 9a7217989a347974d396683903b17e65
humanhash: sierra-wisconsin-cup-nineteen
File name:morte.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:40'060 bytes
First seen:2025-11-13 18:49:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:7of4qHai0E4OVf1o/cviPSEunVizaMjLHGT8SHOr7oOOjhuIfla2ZmVHx0Yt:7tqHai54T/cvipugzaMjL7r7+wIdaxxt
TLSH T1E603E1FB61E2E8F4C07A26F7282B46C4E9153D1FDA020A0741BD626D98F6C952C6B3D1
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 UPX
File size (compressed) :40'060 bytes
File size (de-compressed) :80'624 bytes
Format:linux/amd64
Unpacked file: b66e57375d7b3a8b587042b3780266105df5ab80e0743b4c4cd7a56b3c42fa50

Intelligence

File Origin
# of uploads :
1
# of downloads :
44
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/40e23f258e0d45bb36cba0efe23d5cc9f8cf6f2fd3199003c4a8b54cf33f3aff
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-13T16:27:00Z UTC
Last seen:
2025-11-14T10:24:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/40e23f258e0d45bb36cba0efe23d5cc9f8cf6f2fd3199003c4a8b54cf33f3aff/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/53463c3a-d863-4526-b1fe-d8bd5ca20e6e
Behavior Graph:
Download SVG
%3 guuid=8b375708-2100-0000-6ed0-c397ad0a0000 pid=2733 /usr/bin/sudo guuid=3ccc850a-2100-0000-6ed0-c397b20a0000 pid=2738 /tmp/sample.bin mprotect-exec net guuid=8b375708-2100-0000-6ed0-c397ad0a0000 pid=2733->guuid=3ccc850a-2100-0000-6ed0-c397b20a0000 pid=2738 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=3ccc850a-2100-0000-6ed0-c397b20a0000 pid=2738->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=caf1e80a-2100-0000-6ed0-c397b40a0000 pid=2740 /tmp/sample.bin guuid=3ccc850a-2100-0000-6ed0-c397b20a0000 pid=2738->guuid=caf1e80a-2100-0000-6ed0-c397b40a0000 pid=2740 clone guuid=0c024f35-2200-0000-6ed0-c397910c0000 pid=3217 /tmp/sample.bin guuid=3ccc850a-2100-0000-6ed0-c397b20a0000 pid=2738->guuid=0c024f35-2200-0000-6ed0-c397910c0000 pid=3217 clone guuid=1de35635-2200-0000-6ed0-c397920c0000 pid=3218 /tmp/sample.bin net send-data zombie guuid=3ccc850a-2100-0000-6ed0-c397b20a0000 pid=2738->guuid=1de35635-2200-0000-6ed0-c397920c0000 pid=3218 clone guuid=265eef0a-2100-0000-6ed0-c397b50a0000 pid=2741 /tmp/sample.bin guuid=caf1e80a-2100-0000-6ed0-c397b40a0000 pid=2740->guuid=265eef0a-2100-0000-6ed0-c397b50a0000 pid=2741 clone guuid=75caf20a-2100-0000-6ed0-c397b60a0000 pid=2742 /tmp/sample.bin net send-data zombie guuid=caf1e80a-2100-0000-6ed0-c397b40a0000 pid=2740->guuid=75caf20a-2100-0000-6ed0-c397b60a0000 pid=2742 clone guuid=75caf20a-2100-0000-6ed0-c397b60a0000 pid=2742->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 705B 7f000412-3ec7-580b-b5aa-65f7448afe2e 2.56.179.204:12121 guuid=75caf20a-2100-0000-6ed0-c397b60a0000 pid=2742->7f000412-3ec7-580b-b5aa-65f7448afe2e con guuid=1de35635-2200-0000-6ed0-c397920c0000 pid=3218->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 705B guuid=1de35635-2200-0000-6ed0-c397920c0000 pid=3218->7f000412-3ec7-580b-b5aa-65f7448afe2e con
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dc05e717-30a1-4919-89b5-d1e53ad29a4a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1813727
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1813727 Sample: morte.x86_64.elf Startdate: 13/11/2025 Architecture: LINUX Score: 68 22 cybersecuritefrance.ddns.net. [malformed] 2->22 24 cybersecuritefrance.ddns.net 2->24 26 4 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 8 morte.x86_64.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Sends malformed DNS queries 22->34 36 Uses dynamic DNS services 24->36 process4 process5 12 morte.x86_64.elf 8->12         started        14 morte.x86_64.elf 8->14         started        16 morte.x86_64.elf 8->16         started        process6 18 morte.x86_64.elf 12->18         started        20 morte.x86_64.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40e23f258e0d45bb36cba0efe23d5cc9f8cf6f2fd3199003c4a8b54cf33f3aff
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40e23f258e0d45bb36cba0efe23d5cc9f8cf6f2fd3199003c4a8b54cf33f3aff/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-13 18:49:40 UTC
File Type:
ELF64 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=idrd6jmobvc3wnwludx6epk4zh4m63zp2mmzaa6evc2uz4z7hl7q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251113-xgvwwszlav/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
cybersecuritefrance.ddns.net
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bc40b3b6-8b80-4a00-b41e-eec03110c175
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/40e23f258e0d45bb36cba0efe23d5cc9f8cf6f2fd3199003c4a8b54cf33f3aff

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf 40e23f258e0d45bb36cba0efe23d5cc9f8cf6f2fd3199003c4a8b54cf33f3aff

(this sample)

Mirai

elf b66e57375d7b3a8b587042b3780266105df5ab80e0743b4c4cd7a56b3c42fa50

  
URLhaus
https://urlhaus.abuse.ch/url/3704645/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 b66e57375d7b3a8b587042b3780266105df5ab80e0743b4c4cd7a56b3c42fa50
  
Dropping
MD5 8169747ee0b66d4bafbb1e26af783f5b

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