MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2fb73a5add525ab0783373cc45e3740ccc6d2a77aced908d350722d5215fece. 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: e2fb73a5add525ab0783373cc45e3740ccc6d2a77aced908d350722d5215fece
SHA3-384 hash: a507e15a63cfbace69822a9cec1151336c55f9b894681050d43926523afaa5ff5a0f0a6e5a3358738f39c6bbbe5fbb0a
SHA1 hash: 19e7d72af10544c1b5802b32d8a3d62eee206658
MD5 hash: 45b8d2248106ebfdf8d03c2c4461140e
humanhash: echo-illinois-bravo-papa
File name:mipsel
Download: download sample
Signature Mirai
File size:215'132 bytes
First seen:2025-07-31 15:15:54 UTC
Last seen:2025-07-31 17:16:30 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:0aQsEAFyQRy5GTlaIGGhP3jtFc4/5nfDUkI2gZaWja9bM:o5JIGM3jtC4/pDOTaWO9b
TLSH T14B24A50AAF510EFBD8AFDD3706E90B0225CC650722A93B7A3678D524F54A94F49D3C78
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 :
25
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Creating a file
Sets a written file as executable
Receives data from a server
Connection attempt
Kills processes
Runs as daemon
Kills critical processes
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash 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:
2
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=62999ef4-1900-0000-ef52-e378a60a0000 pid=2726 /usr/bin/sudo guuid=38a8bbf6-1900-0000-ef52-e378ad0a0000 pid=2733 /tmp/sample.bin guuid=62999ef4-1900-0000-ef52-e378a60a0000 pid=2726->guuid=38a8bbf6-1900-0000-ef52-e378ad0a0000 pid=2733 execve guuid=5fdc1cf9-1900-0000-ef52-e378b10a0000 pid=2737 /usr/bin/dash guuid=38a8bbf6-1900-0000-ef52-e378ad0a0000 pid=2733->guuid=5fdc1cf9-1900-0000-ef52-e378b10a0000 pid=2737 clone
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1747948 Sample: mipsel.elf Startdate: 31/07/2025 Architecture: LINUX Score: 100 29 169.254.169.254, 80 USDOSUS Reserved 2->29 31 92.113.21.114, 5070, 59598 UKRTELNETUA Ukraine 2->31 33 4 other IPs or domains 2->33 35 Found malware configuration 2->35 37 Antivirus detection for dropped file 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 3 other signatures 2->41 9 mipsel.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 process5 17 mipsel.elf 9->17         started        process6 19 mipsel.elf 17->19         started        file7 25 /var/main, ELF 19->25 dropped 27 /etc/init.d/xs.main, POSIX 19->27 dropped 43 Sample tries to set files in /etc globally writable 19->43 45 Drops files in suspicious directories 19->45 47 Sample deletes itself 19->47 23 mipsel.elf 19->23         started        signatures8 process9
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Mirai
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-31 15:16:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 e2fb73a5add525ab0783373cc45e3740ccc6d2a77aced908d350722d5215fece

(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