MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91a418bd9b18ac0245577809c0c1b80d432e640cf1b415cc96bff8d5c5c0f435. 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 1 File information Comments

SHA256 hash: 91a418bd9b18ac0245577809c0c1b80d432e640cf1b415cc96bff8d5c5c0f435
SHA3-384 hash: 3ee982524be5d1d664cb34e06058ff6d17edf0b4bfb0d12dfbc4003296fb21af93925655a1420f90cca667ee85654065
SHA1 hash: 44a2eb3f1a4830bd999c4ec50c1047e43fb98dfc
MD5 hash: ffa51f3053c29217eef5f5fd0f2f7b35
humanhash: rugby-sweet-network-saturn
File name:shadow.spc
Download: download sample
Signature Mirai
File size:70'780 bytes
First seen:2025-12-21 18:08:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:JiLLfqMfg9Z5J6hoyMyhSRV2vqRQmKW52YO+kx+m/XPE:QLfXcXJ6hH9he2QQmKA2ydqM
TLSH T19A632A326A359EA7D1C2B47932B7632A79F112DE86A4C82CFC711E0DFF26854910B572
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-21T14:20:00Z UTC
Last seen:
2025-12-22T12:54:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=3f54093a-1b00-0000-2e9d-914a720c0000 pid=3186 /usr/bin/sudo guuid=0f6a3f3c-1b00-0000-2e9d-914a770c0000 pid=3191 /tmp/sample.bin guuid=3f54093a-1b00-0000-2e9d-914a720c0000 pid=3186->guuid=0f6a3f3c-1b00-0000-2e9d-914a770c0000 pid=3191 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Multi AV Scanner detection for submitted file
Performs DNS TXT record lookups
Sample deletes itself
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837141 Sample: shadow.spc.elf Startdate: 21/12/2025 Architecture: LINUX Score: 64 18 kurol.io 2->18 20 81.88.18.108, 52854, 6767 LEVEL3US Germany 2->20 22 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->22 24 Suricata IDS alerts for network traffic 2->24 26 Multi AV Scanner detection for submitted file 2->26 9 shadow.spc.elf 2->9         started        signatures3 28 Performs DNS TXT record lookups 18->28 process4 signatures5 30 Sample deletes itself 9->30 12 shadow.spc.elf 9->12         started        process6 process7 14 shadow.spc.elf 12->14         started        process8 16 shadow.spc.elf 14->16         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-21 18:09:33 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
linux upx
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-1
YARA:
n/a
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 91a418bd9b18ac0245577809c0c1b80d432e640cf1b415cc96bff8d5c5c0f435

(this sample)

  
Delivery method
Distributed via web download

Comments