MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66ad9f358954dfe56d5306ad8748a57b6a52b9b7fb4a33471619c68eae7dc882. 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

SHA256 hash: 66ad9f358954dfe56d5306ad8748a57b6a52b9b7fb4a33471619c68eae7dc882
SHA3-384 hash: 04ab81e77f5729b61a781809219d4ce2259a9b5378f76c125d116cab5850b3a5c7ed73abfd8cc2ae0a6f56e356a0fcc4
SHA1 hash: 92be93c8654e484f8772462f91a017306ce3a120
MD5 hash: fbd1bd8068f1aa8d041f6edd0c9a19c6
humanhash: massachusetts-mars-whiskey-thirteen
File name:morte.x86_64
Download: download sample
Signature Mirai
File size:42'224 bytes
First seen:2025-07-09 11:30:42 UTC
Last seen:2025-07-10 07:00:49 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:Mieh165mdWHuTp51WMTCuLf9oA43twM+MbU/2QdlMx0gUh:Mi6WEsMTZLf9943KM+dpdOpUh
TLSH T19E13F13324BF52B1E8A6C77A7D7F0BA0F79B6EAD4517049A229EB8FCDC704816710054
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 :
17
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Launching a process
Connection attempt
Substitutes an application name
Writes files to system directory
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 196.251.69.95:12121
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=9831ab2b-1a00-0000-76e5-631bb10d0000 pid=3505 /usr/bin/sudo guuid=a739142e-1a00-0000-76e5-631bb80d0000 pid=3512 /tmp/sample.bin mprotect-exec net guuid=9831ab2b-1a00-0000-76e5-631bb10d0000 pid=3505->guuid=a739142e-1a00-0000-76e5-631bb80d0000 pid=3512 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=a739142e-1a00-0000-76e5-631bb80d0000 pid=3512->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=21bd8b2e-1a00-0000-76e5-631bbb0d0000 pid=3515 /tmp/sample.bin guuid=a739142e-1a00-0000-76e5-631bb80d0000 pid=3512->guuid=21bd8b2e-1a00-0000-76e5-631bbb0d0000 pid=3515 clone guuid=18478f2e-1a00-0000-76e5-631bbc0d0000 pid=3516 /tmp/sample.bin zombie guuid=a739142e-1a00-0000-76e5-631bb80d0000 pid=3512->guuid=18478f2e-1a00-0000-76e5-631bbc0d0000 pid=3516 clone guuid=6b4fa52e-1a00-0000-76e5-631bbd0d0000 pid=3517 /tmp/sample.bin write-config zombie guuid=18478f2e-1a00-0000-76e5-631bbc0d0000 pid=3516->guuid=6b4fa52e-1a00-0000-76e5-631bbd0d0000 pid=3517 clone guuid=9be5ea2e-1a00-0000-76e5-631bbf0d0000 pid=3519 /usr/bin/dash guuid=6b4fa52e-1a00-0000-76e5-631bbd0d0000 pid=3517->guuid=9be5ea2e-1a00-0000-76e5-631bbf0d0000 pid=3519 execve guuid=064da92f-1a00-0000-76e5-631bc30d0000 pid=3523 /tmp/sample.bin delete-file dns net send-data guuid=6b4fa52e-1a00-0000-76e5-631bbd0d0000 pid=3517->guuid=064da92f-1a00-0000-76e5-631bc30d0000 pid=3523 clone guuid=62b4122f-1a00-0000-76e5-631bc00d0000 pid=3520 /usr/bin/cp guuid=9be5ea2e-1a00-0000-76e5-631bbf0d0000 pid=3519->guuid=62b4122f-1a00-0000-76e5-631bc00d0000 pid=3520 execve guuid=064da92f-1a00-0000-76e5-631bc30d0000 pid=3523->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 33B 128bad62-53f0-5c82-890a-d4a6ddbfdf3c abc.galaxias.cc:12121 guuid=064da92f-1a00-0000-76e5-631bc30d0000 pid=3523->128bad62-53f0-5c82-890a-d4a6ddbfdf3c send: 9B guuid=614dac2f-1a00-0000-76e5-631bc40d0000 pid=3524 /tmp/sample.bin guuid=064da92f-1a00-0000-76e5-631bc30d0000 pid=3523->guuid=614dac2f-1a00-0000-76e5-631bc40d0000 pid=3524 clone
Result
Threat name:
Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1731779 Sample: morte.x86_64.elf Startdate: 09/07/2025 Architecture: LINUX Score: 100 42 abc.galaxias.cc 196.251.69.95, 12121, 42032 Web4AfricaZA Seychelles 2->42 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected Mirai 2->52 54 2 other signatures 2->54 10 dash rm morte.x86_64.elf 2->10         started        13 dash rm 2->13         started        15 dash cut 2->15         started        17 7 other processes 2->17 signatures3 process4 signatures5 62 Found strings related to Crypto-Mining 10->62 19 morte.x86_64.elf 10->19         started        21 morte.x86_64.elf 10->21         started        process6 process7 23 morte.x86_64.elf 19->23         started        file8 40 /etc/init.d/sysd, POSIX 23->40 dropped 56 Sample tries to set files in /etc globally writable 23->56 58 Drops files in suspicious directories 23->58 60 Sample tries to persist itself using System V runlevels 23->60 27 morte.x86_64.elf sh 23->27         started        29 morte.x86_64.elf 23->29         started        signatures9 process10 signatures11 32 sh cp 27->32         started        64 Sample deletes itself 29->64 36 morte.x86_64.elf 29->36         started        process12 file13 38 /usr/bin/.sh, ELF 32->38 dropped 44 Drops invisible ELF files 32->44 46 Drops files in suspicious directories 32->46 signatures14
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-08 23:34:58 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet credential_access defense_evasion discovery linux persistence upx
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
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
abc.galaxias.cc
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:SUSP_ELF_LNX_UPX_Compressed_File
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
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
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 66ad9f358954dfe56d5306ad8748a57b6a52b9b7fb4a33471619c68eae7dc882

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments