MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c231a07ded27e0ebfa5090cf444cb340985c4b3d2fc656af2cafcfab616cf429. 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 2 File information Comments

SHA256 hash: c231a07ded27e0ebfa5090cf444cb340985c4b3d2fc656af2cafcfab616cf429
SHA3-384 hash: 76a23ce5039d94e87dbc2f7db634140de7d21910e7f1568bc8077a4244fdf90bfb3e554a755a6cd78a99f69dffd5d97a
SHA1 hash: e533b32970c72950d081235e2b5a6afd8bad1d92
MD5 hash: 60cc4882d0c01dbbb51528146eae61b5
humanhash: violet-autumn-ohio-earth
File name:morte.mips
Download: download sample
Signature Mirai
File size:105'092 bytes
First seen:2025-07-21 12:49:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:t+D9XT2jHy9rCspdX3py6f7zf9poWml5+lo8beJN8GVYQ8rG3:k1CjupdpRzFpoWo+TdQd3
TLSH T1F7A3C94E6E218FBDF768873047B38F24A69823D63AE1C6C5D1ACD6141E7024E645FFA4
telfhash t1dd219f0c497022f497750d992aeeff77e59130df4b262d338e01e9adaabc9425e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 568780e2ac25888e3151dd8e8cb76d1ebdfd2e986e0fed4931d15656fa5b9eb1
File size (compressed) :41'768 bytes
File size (de-compressed) :104'436 bytes
Format:linux/mips
Packed file: 568780e2ac25888e3151dd8e8cb76d1ebdfd2e986e0fed4931d15656fa5b9eb1

Intelligence


File Origin
# of uploads :
1
# of downloads :
19
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Sets a written file as executable
DNS request
Runs as daemon
Deletes a file
Sends data to a server
Connection attempt
Launching a process
Writes files to system directory
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
146
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=078addcd-1900-0000-a048-b90ec3090000 pid=2499 /usr/bin/sudo guuid=fefbd6cf-1900-0000-a048-b90ec8090000 pid=2504 /tmp/sample.bin guuid=078addcd-1900-0000-a048-b90ec3090000 pid=2499->guuid=fefbd6cf-1900-0000-a048-b90ec8090000 pid=2504 execve
Result
Threat name:
Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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: 1741214 Sample: morte.mips.elf Startdate: 21/07/2025 Architecture: LINUX Score: 100 32 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->32 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 2 other signatures 2->46 10 morte.mips.elf 2->10         started        signatures3 process4 signatures5 54 Found strings related to Crypto-Mining 10->54 13 morte.mips.elf 10->13         started        process6 process7 15 morte.mips.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.mips.elf sh 15->19         started        21 morte.mips.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
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-21 12:50:33 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 22 (59.09%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery persistence
Behaviour
Reads runtime system information
System Network Configuration Discovery
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: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 c231a07ded27e0ebfa5090cf444cb340985c4b3d2fc656af2cafcfab616cf429

(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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments