MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c0d91afd88b5374bdbe6997682ba1b7cf33e1960fcf09db90a64ed1c078db81. 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 3 File information Comments

SHA256 hash: 4c0d91afd88b5374bdbe6997682ba1b7cf33e1960fcf09db90a64ed1c078db81
SHA3-384 hash: fd5cf288618bf0e453ae153e77556b8d0da87a9934f77279e57bf2504e750a1a70c3cea814598357176b98b511beca98
SHA1 hash: b90115268e2e0c01427976962e72167209738f8e
MD5 hash: ec4f5c133e97726f1d0c327f5a283fb6
humanhash: asparagus-oscar-network-football
File name:morte.arm
Download: download sample
Signature Mirai
File size:83'664 bytes
First seen:2025-07-11 23:28:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:wxmDbtminOfj/lXRarcpI6N/CWbyo0vk9M:wx0btminOfj9harcRF4p
TLSH T185833955FD818A52CAC516B7FB1E028D3B2713A8E2EE3203DD295F21378791B0E7B945
telfhash t16651319aabe40bcc27c4830891c9513b8ee934ad1f0121a6c71c6b5f8567ec2b01e837
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 :
17
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=d87a455e-1800-0000-6885-8f279e050000 pid=1438 /usr/bin/sudo guuid=62242c60-1800-0000-6885-8f279f050000 pid=1439 /tmp/sample.bin guuid=d87a455e-1800-0000-6885-8f279e050000 pid=1438->guuid=62242c60-1800-0000-6885-8f279f050000 pid=1439 execve
Result
Threat name:
Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
88 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
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: 1734349 Sample: morte.arm.elf Startdate: 12/07/2025 Architecture: LINUX Score: 88 32 last.galaxias.cc 45.156.87.138, 12121, 59240, 59242 SKYLINKNL Germany 2->32 34 109.202.202.202, 80 INIT7CH Switzerland 2->34 36 2 other IPs or domains 2->36 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected Mirai 2->46 48 Yara detected Xmrig cryptocurrency miner 2->48 10 morte.arm.elf 2->10         started        signatures3 process4 signatures5 56 Found strings related to Crypto-Mining 10->56 13 morte.arm.elf 10->13         started        process6 process7 15 morte.arm.elf 13->15         started        file8 30 /etc/init.d/sysd, POSIX 15->30 dropped 38 Sample tries to set files in /etc globally writable 15->38 40 Drops files in suspicious directories 15->40 42 Sample tries to persist itself using System V runlevels 15->42 19 morte.arm.elf sh 15->19         started        21 morte.arm.elf 15->21         started        signatures9 process10 signatures11 24 sh cp 19->24         started        50 Sample deletes itself 21->50 process12 file13 28 /usr/bin/.sh, ELF 24->28 dropped 52 Drops invisible ELF files 24->52 54 Drops files in suspicious directories 24->54 signatures14
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-12 01:14:00 UTC
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery persistence
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
Write file to user bin folder
Deletes itself
Mirai
Mirai family
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:unixredflags3
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 4c0d91afd88b5374bdbe6997682ba1b7cf33e1960fcf09db90a64ed1c078db81

(this sample)

  
Delivery method
Distributed via web download

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