MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72fa57f6a3e0522e72d0ace0447c0557b5d52edeebc40afde86a1040699f2a3b. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: 72fa57f6a3e0522e72d0ace0447c0557b5d52edeebc40afde86a1040699f2a3b
SHA3-384 hash: e5aae08ab76577d0d870ca424ac24a0e3f4d5a5eee39ad3fe97b78f46db512321d0daa1c4bc608e559f92cd82ca7de8b
SHA1 hash: d78f78d45470577f42eddb270c2bc87d651bb405
MD5 hash: eaec1a6c1a987ff88b066bc1120b873a
humanhash: black-mars-fix-double
File name:most-mpsl
Download: download sample
Signature Mirai
File size:170'412 bytes
First seen:2025-04-17 18:49:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:2eejOpjnc0d+SG0DGX2BJfTkw4OC/xj/+v8KBZBvud54OHMEP5h0VR+rxwXB:2eejOVc0vQ0Umk+QPHMEhh3xwX
TLSH T194F3C71AAF610FBBDCAFDD3706E9070139CC951722A53B363674D528F54A60B4AE3C68
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 :
63
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Opens a port
Kills processes
Creating a file
Runs as daemon
Deletes a system binary file
Substitutes an application name
Kills critical processes
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
lolbin 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
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1667847 Sample: most-mpsl.elf Startdate: 17/04/2025 Architecture: LINUX Score: 52 33 daisy.ubuntu.com 2->33 35 Multi AV Scanner detection for submitted file 2->35 10 systemd accounts-daemon 2->10         started        13 most-mpsl.elf 2->13         started        15 xfce4-session xfdesktop 2->15         started        signatures3 process4 signatures5 37 Reads system files that contain records of logged in users 10->37 17 accounts-daemon language-validate 10->17         started        19 most-mpsl.elf 13->19         started        process6 process7 21 language-validate language-options 17->21         started        23 most-mpsl.elf 19->23         started        process8 25 language-options sh 21->25         started        27 most-mpsl.elf 23->27         started        process9 29 sh locale 25->29         started        31 sh grep 25->31         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-04-17 18:50:31 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 discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
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: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 72fa57f6a3e0522e72d0ace0447c0557b5d52edeebc40afde86a1040699f2a3b

(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