MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f791e401373cc7d51d845f797015e4ca290e1b4856f82246a57223f28f50c83. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 8f791e401373cc7d51d845f797015e4ca290e1b4856f82246a57223f28f50c83
SHA3-384 hash: 338cd6f981fd948dc82bc26fe9a23f0d0d095474bba1b5441c292e1ebf1e1b4bdea6660a4abc3ac29ad464c04b1ae61e
SHA1 hash: 1774f60f9e751eba77c3024219a3cef6d865510d
MD5 hash: 2b857df1c82528fa49b60cbade196a8f
humanhash: lima-salami-comet-king
File name:morte.mpsl
Download: download sample
Signature Mirai
File size:105'976 bytes
First seen:2025-07-11 23:29:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:XEsUJG4d/B+vgdZSrmxVGssm9VXQaSKp2r9ViG1glyf6ZbtODdWlYZwKRzFOPE:XEsUJGWpTdZSrS25Vi3ySz+PEE
TLSH T13DA3E60AEF610EFBE86FDD3346E90B0525CC551B22A87B7A3574C828F54B14B4AE3974
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 703de216fef2240b1a82517dc2cbcc8db2f3cc1074e4d43c8dfc3d9c2ef9b8bb
File size (compressed) :41'784 bytes
File size (de-compressed) :105'976 bytes
Format:linux/mipsel
Packed file: 703de216fef2240b1a82517dc2cbcc8db2f3cc1074e4d43c8dfc3d9c2ef9b8bb

Intelligence


File Origin
# of uploads :
1
# of downloads :
18
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Changes access rights for a file
Deletes a file
Sets a written file as executable
Receives data from a server
Launching a process
Connection attempt
DNS request
Changes access rights for a written file
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
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=9d3c1d65-1b00-0000-9e51-8b8be20b0000 pid=3042 /usr/bin/sudo guuid=ee16cc67-1b00-0000-9e51-8b8beb0b0000 pid=3051 /tmp/sample.bin guuid=9d3c1d65-1b00-0000-9e51-8b8be20b0000 pid=3042->guuid=ee16cc67-1b00-0000-9e51-8b8beb0b0000 pid=3051 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 tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Sends malformed DNS queries
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734350 Sample: morte.mpsl.elf Startdate: 12/07/2025 Architecture: LINUX Score: 88 31 last.galaxias.cc. [malformed] 2->31 33 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->33 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected Mirai 2->43 45 Yara detected Xmrig cryptocurrency miner 2->45 10 morte.mpsl.elf 2->10         started        signatures3 47 Sends malformed DNS queries 31->47 process4 signatures5 53 Found strings related to Crypto-Mining 10->53 13 morte.mpsl.elf 10->13         started        process6 process7 15 morte.mpsl.elf 13->15         started        file8 29 /etc/init.d/sysd, POSIX 15->29 dropped 35 Sample tries to set files in /etc globally writable 15->35 37 Drops files in suspicious directories 15->37 39 Sample tries to persist itself using System V runlevels 15->39 19 morte.mpsl.elf sh 15->19         started        21 morte.mpsl.elf 15->21         started        signatures9 process10 process11 23 sh cp 19->23         started        file12 27 /usr/bin/.sh, ELF 23->27 dropped 49 Drops invisible ELF files 23->49 51 Drops files in suspicious directories 23->51 signatures13
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-11 23:38:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
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
Mirai
Mirai family
Malware Config
C2 Extraction:
last.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: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 8f791e401373cc7d51d845f797015e4ca290e1b4856f82246a57223f28f50c83

(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

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