MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8fd4defec2fdc81f965f2ca9781303718e8d40b09964faf4164450ebe425e3e. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8fd4defec2fdc81f965f2ca9781303718e8d40b09964faf4164450ebe425e3e
SHA3-384 hash: 90f80d19fbb7a0f31b5a5a0a408bb3e5fbe378755b373409f6bcddf3d80bf572fb42556982a7f197e01fe83eb2828f9d
SHA1 hash: 2bb8d6e8dfb83f5f1f88bc03196c6adad3123055
MD5 hash: 4054ac5b9b3b7188be81c98ba909c326
humanhash: lima-quebec-friend-west
File name:morte.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:38'836 bytes
First seen:2025-07-11 23:32:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:v7UzthoqetIjcIABJfkM/FAFEfw6DDxbSM7w:vGUtWGZY6xxk
TLSH T15E03E1702A8E1789F84B2632D7CD49BA9525FCC36668B603FF542D49680F5A90CA4F8C
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 :
1
# of downloads :
16
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68719f3f900df8e7f86a0270linux22vpnfull_triage
Tags:
phishing
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Sets a written file as executable
Receives data from a server
Launching a process
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/68719f3b80b46be06ea0b53d/reports/7e5839cf-cd3e-425d-a1d8-9bb47d62ad01/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/b8fd4defec2fdc81f965f2ca9781303718e8d40b09964faf4164450ebe425e3e
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8dcc1c9d-4b9e-401c-8379-c716408ae1a1
Behavior Graph:
Download SVG
%3 guuid=b3d6fc41-1900-0000-6aff-10b683090000 pid=2435 /usr/bin/sudo guuid=a64f0045-1900-0000-6aff-10b68a090000 pid=2442 /tmp/sample.bin net guuid=b3d6fc41-1900-0000-6aff-10b683090000 pid=2435->guuid=a64f0045-1900-0000-6aff-10b68a090000 pid=2442 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=a64f0045-1900-0000-6aff-10b68a090000 pid=2442->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=32274945-1900-0000-6aff-10b68c090000 pid=2444 /tmp/sample.bin guuid=a64f0045-1900-0000-6aff-10b68a090000 pid=2442->guuid=32274945-1900-0000-6aff-10b68c090000 pid=2444 clone guuid=92a85345-1900-0000-6aff-10b68e090000 pid=2446 /tmp/sample.bin write-config zombie guuid=32274945-1900-0000-6aff-10b68c090000 pid=2444->guuid=92a85345-1900-0000-6aff-10b68e090000 pid=2446 clone guuid=a5f4a748-1900-0000-6aff-10b695090000 pid=2453 /usr/bin/dash guuid=92a85345-1900-0000-6aff-10b68e090000 pid=2446->guuid=a5f4a748-1900-0000-6aff-10b695090000 pid=2453 execve guuid=50d8ce4a-1900-0000-6aff-10b69d090000 pid=2461 /tmp/sample.bin delete-file dns net send-data guuid=92a85345-1900-0000-6aff-10b68e090000 pid=2446->guuid=50d8ce4a-1900-0000-6aff-10b69d090000 pid=2461 clone guuid=a8add648-1900-0000-6aff-10b697090000 pid=2455 /usr/bin/cp guuid=a5f4a748-1900-0000-6aff-10b695090000 pid=2453->guuid=a8add648-1900-0000-6aff-10b697090000 pid=2455 execve guuid=50d8ce4a-1900-0000-6aff-10b69d090000 pid=2461->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 986B c6e950a9-6d18-5abd-9bf0-06eeeda044d7 last.galaxias.cc:12121 guuid=50d8ce4a-1900-0000-6aff-10b69d090000 pid=2461->c6e950a9-6d18-5abd-9bf0-06eeeda044d7 send: 377B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7ed0f97f-0c7a-418f-be21-180fe53bebf9
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1734351
Signature
Drops files in suspicious directories
Drops invisible ELF files
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: 1734351 Sample: morte.i686.elf Startdate: 12/07/2025 Architecture: LINUX Score: 100 32 last.galaxias.cc 45.156.87.138, 12121, 40692, 40694 SKYLINKNL Germany 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Mirai 2->44 46 2 other signatures 2->46 10 morte.i686.elf 2->10         started        signatures3 process4 signatures5 54 Found strings related to Crypto-Mining 10->54 13 morte.i686.elf 10->13         started        process6 process7 15 morte.i686.elf 13->15         started        file8 30 /etc/init.d/sysd, POSIX 15->30 dropped 34 Sample tries to set files in /etc globally writable 15->34 36 Drops files in suspicious directories 15->36 38 Sample tries to persist itself using System V runlevels 15->38 19 morte.i686.elf sh 15->19         started        21 morte.i686.elf 15->21         started        signatures9 process10 signatures11 24 sh cp 19->24         started        48 Sample deletes itself 21->48 process12 file13 28 /usr/bin/.sh, ELF 24->28 dropped 50 Drops invisible ELF files 24->50 52 Drops files in suspicious directories 24->52 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8fd4defec2fdc81f965f2ca9781303718e8d40b09964faf4164450ebe425e3e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8fd4defec2fdc81f965f2ca9781303718e8d40b09964faf4164450ebe425e3e/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-11 23:38:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xd6u337mf7oid6lf6lfjpajqg4morvalbgle7l2bmrcq5pscly7a._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/250711-3jx2xstvev/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Deletes itself
Mirai
Mirai family
Malware Config
C2 Extraction:
last.galaxias.cc
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c074bee1-b002-4f62-8e79-3b4d68c6677b
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/b8fd4defec2fdc81f965f2ca9781303718e8d40b09964faf4164450ebe425e3e

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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 b8fd4defec2fdc81f965f2ca9781303718e8d40b09964faf4164450ebe425e3e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3581223/
  
Delivery method
Distributed via web download

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