MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe81c5cd324b6e4214cd4508a03a773e4a5f8a94bdc7fb8b124d48c818c738d1. 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: fe81c5cd324b6e4214cd4508a03a773e4a5f8a94bdc7fb8b124d48c818c738d1
SHA3-384 hash: eb55c71725cfad66a1c7be04f39cdf209b3a0d6cf9d6421430bc0a9c3239b3f4edc3277d55936501d51d6517e26e5008
SHA1 hash: 677018205bff07201f7a4ecd7ee05f46055b3a34
MD5 hash: 7bebc3ec8019b9cfa7ebb1b27bfa9732
humanhash: carpet-five-alabama-utah
File name:m9x7k2v8b3.arm7
Download: download sample
Signature Mirai
File size:67'400 bytes
First seen:2025-11-20 17:23:10 UTC
Last seen:2025-11-20 18:56:14 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Swa/7WmmnPUPle2DDuiWOJRrvbLaB9GMpd:SwE7zlPTbLYgMpd
TLSH T103630154144F797187A907B27678CAD3F11E2FB96B6F61A203B8B35FE4D050194FD882
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
File size (compressed) :67'400 bytes
File size (de-compressed) :176'507 bytes
Format:linux/arm
Unpacked file: df8e012a89c12990d5e3438ae046355bce2779ef719b2dacdb16058aafbf470f

Intelligence


File Origin
# of uploads :
2
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-20T14:35:00Z UTC
Last seen:
2025-11-20T15:11:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=43bc8b99-1900-0000-b541-9e2de6090000 pid=2534 /usr/bin/sudo guuid=b0d2e29c-1900-0000-b541-9e2ded090000 pid=2541 /tmp/sample.bin guuid=43bc8b99-1900-0000-b541-9e2de6090000 pid=2534->guuid=b0d2e29c-1900-0000-b541-9e2ded090000 pid=2541 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1818043 Sample: m9x7k2v8b3.arm7.elf Startdate: 20/11/2025 Architecture: LINUX Score: 52 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->24 26 daisy.ubuntu.com 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Sample is packed with UPX 2->30 8 m9x7k2v8b3.arm7.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 m9x7k2v8b3.arm7.elf 8->12         started        14 m9x7k2v8b3.arm7.elf 8->14         started        16 m9x7k2v8b3.arm7.elf 8->16         started        process6 18 m9x7k2v8b3.arm7.elf 12->18         started        20 m9x7k2v8b3.arm7.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-20 17:24:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf fe81c5cd324b6e4214cd4508a03a773e4a5f8a94bdc7fb8b124d48c818c738d1

(this sample)

  
Delivery method
Distributed via web download

Comments