MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f8df26b3961f3d6d16f3af146f451fbfb501133cd2384585670969c15b30b8d. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f8df26b3961f3d6d16f3af146f451fbfb501133cd2384585670969c15b30b8d
SHA3-384 hash: 72179a2f3f2142e978ba3339fcfb62f4748ed9504ceca83494e9167295c201cae8e1c9dcc8d8801ea64c6ffdbab0d89c
SHA1 hash: 22e6502e1d640b449c87049beda158050bfc9ee8
MD5 hash: 78bfd3f4c03d5574dc4879bb7d61c752
humanhash: chicken-july-robin-aspen
File name:morte.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:42'004 bytes
First seen:2025-09-10 10:04:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:pQM2lOQRyHGAdEdew6B7JAS7tFWgqXb80gx4ErLiZflTmo6yhAPyt2Vjt7DtYcT5:olO8yGdew6B1/FkXIxxMJ5ttsUHbxVtk
TLSH T17C13F18AC26FFFB5EC22E6F258799044EDB174D3CE470F1D17A4A2B392D88484B20163
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) :42'004 bytes
File size (de-compressed) :80'544 bytes
Format:linux/amd64
Unpacked file: 793740dfb0d5efe06d99b5e36a27e4115c1785374b3c6937de572032700cbbc9

Intelligence

File Origin
# of uploads :
1
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Runs as daemon
Sets a written file as executable
Opens a port
Launching a process
Deletes a file
Connection attempt
Substitutes an application name
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/68c14e831b52c70384b8dfbf/reports/e28010ee-a1e8-42ff-8e67-6c70048c2b84/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4f8df26b3961f3d6d16f3af146f451fbfb501133cd2384585670969c15b30b8d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-09-10T07:28:00Z UTC
Last seen:
2025-09-10T07:28:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/4f8df26b3961f3d6d16f3af146f451fbfb501133cd2384585670969c15b30b8d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/20f8d073-9927-4e8e-a814-0e7d00660048
Behavior Graph:
Download SVG
%3 guuid=e93ee5b9-1900-0000-ce1d-8b1e960b0000 pid=2966 /usr/bin/sudo guuid=9f070ebc-1900-0000-ce1d-8b1e9d0b0000 pid=2973 /tmp/sample.bin mprotect-exec net guuid=e93ee5b9-1900-0000-ce1d-8b1e960b0000 pid=2966->guuid=9f070ebc-1900-0000-ce1d-8b1e9d0b0000 pid=2973 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=9f070ebc-1900-0000-ce1d-8b1e9d0b0000 pid=2973->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=45997fbc-1900-0000-ce1d-8b1e9f0b0000 pid=2975 /tmp/sample.bin zombie guuid=9f070ebc-1900-0000-ce1d-8b1e9d0b0000 pid=2973->guuid=45997fbc-1900-0000-ce1d-8b1e9f0b0000 pid=2975 clone guuid=a3df87bc-1900-0000-ce1d-8b1ea00b0000 pid=2976 /tmp/sample.bin write-config zombie guuid=45997fbc-1900-0000-ce1d-8b1e9f0b0000 pid=2975->guuid=a3df87bc-1900-0000-ce1d-8b1ea00b0000 pid=2976 clone guuid=f889d2bc-1900-0000-ce1d-8b1ea20b0000 pid=2978 /usr/bin/dash guuid=a3df87bc-1900-0000-ce1d-8b1ea00b0000 pid=2976->guuid=f889d2bc-1900-0000-ce1d-8b1ea20b0000 pid=2978 execve guuid=efe8aabd-1900-0000-ce1d-8b1ea70b0000 pid=2983 /tmp/sample.bin delete-file dns net send-data guuid=a3df87bc-1900-0000-ce1d-8b1ea00b0000 pid=2976->guuid=efe8aabd-1900-0000-ce1d-8b1ea70b0000 pid=2983 clone guuid=ffd2fcbc-1900-0000-ce1d-8b1ea30b0000 pid=2979 /usr/bin/cp guuid=f889d2bc-1900-0000-ce1d-8b1ea20b0000 pid=2978->guuid=ffd2fcbc-1900-0000-ce1d-8b1ea30b0000 pid=2979 execve guuid=efe8aabd-1900-0000-ce1d-8b1ea70b0000 pid=2983->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 168B b5fff71e-f613-58be-ba84-80cefb09aafc demoon.vip:12121 guuid=efe8aabd-1900-0000-ce1d-8b1ea70b0000 pid=2983->b5fff71e-f613-58be-ba84-80cefb09aafc send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d22b0798-7bd0-48f5-81da-0d5700e2d794
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1774640
Signature
Drops files in suspicious directories
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1774640 Sample: morte.x86_64.elf Startdate: 10/09/2025 Architecture: LINUX Score: 96 34 demoon.vip 103.252.90.129, 12121 BACKBONE-ASDE Germany 2->34 36 54.171.230.55, 443, 60060 AMAZON-02US United States 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Mirai 2->42 44 2 other signatures 2->44 10 morte.x86_64.elf 2->10         started        13 dash rm 2->13         started        15 dash cat 2->15         started        17 8 other processes 2->17 signatures3 process4 signatures5 54 Found strings related to Crypto-Mining 10->54 19 morte.x86_64.elf 10->19         started        process6 process7 21 morte.x86_64.elf 19->21         started        file8 32 /etc/init.d/sysd, POSIX 21->32 dropped 46 Sample tries to set files in /etc globally writable 21->46 48 Drops files in suspicious directories 21->48 50 Sample tries to persist itself using System V runlevels 21->50 25 morte.x86_64.elf 21->25         started        28 morte.x86_64.elf sh 21->28         started        signatures9 process10 signatures11 52 Sample deletes itself 25->52 30 sh cp 28->30         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4f8df26b3961f3d6d16f3af146f451fbfb501133cd2384585670969c15b30b8d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f8df26b3961f3d6d16f3af146f451fbfb501133cd2384585670969c15b30b8d/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4f8df26b3961f3d6d16f3af146f451fbfb501133cd2384585670969c15b30b8d
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-10 10:08:24 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j6g7e2zzmhz5nulphlyun5cr7p5vaejtzuryiwcwocljyfntbogq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence upx
Link:
https://tria.ge/reports/250910-l7bp6axqw6/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Deletes itself
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7a7d3f5e-09fa-4eb5-af88-9b68eae14eb3
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/4f8df26b3961f3d6d16f3af146f451fbfb501133cd2384585670969c15b30b8d

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 4f8df26b3961f3d6d16f3af146f451fbfb501133cd2384585670969c15b30b8d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3621196/
  
Delivery method
Distributed via web download

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