MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf441dec65093b6923629aa89b0661c3a7762c74319dc094e05335588c755678. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf441dec65093b6923629aa89b0661c3a7762c74319dc094e05335588c755678
SHA3-384 hash: e675726f3e4c984bc9b7fbeb0bbbc8203813cd91a7e3e24b1c41818d5fa1f323d2383ed69da3620b3cd228cb48ff8e11
SHA1 hash: e047f88545361b852efcf88f8e301b7dba22647f
MD5 hash: 0d494b2310ceff37b18f428cd393adcc
humanhash: don-four-kilo-arkansas
File name:ub8ehJSePAfc9FYqZIT6.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:40'552 bytes
First seen:2026-01-18 18:42:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:vLp/gkZlvwP5wsfQ0nVmyybOCCzblBw4YhnbcuyD7UHQRjB:vNg6YFQ0VmkzJBynouy8HyN
TLSH T1B103E119FE698304C31F34786CDB374E5301D159839A693EEB98A64903B2FBE3310A97
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) :40'552 bytes
File size (de-compressed) :100'552 bytes
Format:linux/i386
Unpacked file: 465e918291b07002c2c66b26094862564cc567bbc6a29358cba87a9ca59fbbbf

Intelligence

File Origin
# of uploads :
1
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1ef96174-cb89-41ef-a5d4-f74528368ea0/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/696d29d5584f1963ad5a3a97/reports/37d93dbd-f37a-4e8d-b973-859fe965baf8/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-18T15:50:00Z UTC
Last seen:
2026-01-19T04:32:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/bf441dec65093b6923629aa89b0661c3a7762c74319dc094e05335588c755678/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1ef40d96-f922-480b-b51a-b0abd0857ab5
Behavior Graph:
Download SVG
%3 guuid=8e37ec29-1900-0000-bf0b-93d4a30b0000 pid=2979 /usr/bin/sudo guuid=0d10f32b-1900-0000-bf0b-93d4a90b0000 pid=2985 /tmp/sample.bin net guuid=8e37ec29-1900-0000-bf0b-93d4a30b0000 pid=2979->guuid=0d10f32b-1900-0000-bf0b-93d4a90b0000 pid=2985 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=0d10f32b-1900-0000-bf0b-93d4a90b0000 pid=2985->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=eab2a92c-1900-0000-bf0b-93d4ab0b0000 pid=2987 /tmp/sample.bin guuid=0d10f32b-1900-0000-bf0b-93d4a90b0000 pid=2985->guuid=eab2a92c-1900-0000-bf0b-93d4ab0b0000 pid=2987 clone guuid=05e25568-1900-0000-bf0b-93d4250c0000 pid=3109 /tmp/sample.bin guuid=0d10f32b-1900-0000-bf0b-93d4a90b0000 pid=2985->guuid=05e25568-1900-0000-bf0b-93d4250c0000 pid=3109 clone guuid=13c506a4-1900-0000-bf0b-93d48d0c0000 pid=3213 /tmp/sample.bin guuid=0d10f32b-1900-0000-bf0b-93d4a90b0000 pid=2985->guuid=13c506a4-1900-0000-bf0b-93d48d0c0000 pid=3213 clone guuid=d0a9b1df-1900-0000-bf0b-93d4d90c0000 pid=3289 /tmp/sample.bin guuid=0d10f32b-1900-0000-bf0b-93d4a90b0000 pid=2985->guuid=d0a9b1df-1900-0000-bf0b-93d4d90c0000 pid=3289 clone guuid=2234b6df-1900-0000-bf0b-93d4da0c0000 pid=3290 /tmp/sample.bin dns net send-data zombie guuid=0d10f32b-1900-0000-bf0b-93d4a90b0000 pid=2985->guuid=2234b6df-1900-0000-bf0b-93d4da0c0000 pid=3290 clone guuid=2234b6df-1900-0000-bf0b-93d4da0c0000 pid=3290->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=2234b6df-1900-0000-bf0b-93d4da0c0000 pid=3290->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1748B 3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 weifang.serveftp.com:3778 guuid=2234b6df-1900-0000-bf0b-93d4da0c0000 pid=3290->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 230B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/34e46a72-a422-4ed2-a2ee-2b1bbd690367
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1852896
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf441dec65093b6923629aa89b0661c3a7762c74319dc094e05335588c755678
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf441dec65093b6923629aa89b0661c3a7762c74319dc094e05335588c755678/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/bf441dec65093b6923629aa89b0661c3a7762c74319dc094e05335588c755678
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 18:43:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x5cb33dfbe5wsi3ctkujwbtbyotxmlduggo4bfhakm2vrddvkz4a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260118-xc174sdt7a/
Behaviour
Reads runtime system information
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/422797c1-a774-46af-b6dc-a756b2add15a
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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
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 bf441dec65093b6923629aa89b0661c3a7762c74319dc094e05335588c755678

(this sample)

Mirai

elf 465e918291b07002c2c66b26094862564cc567bbc6a29358cba87a9ca59fbbbf

  
URLhaus
https://urlhaus.abuse.ch/url/3759497/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 465e918291b07002c2c66b26094862564cc567bbc6a29358cba87a9ca59fbbbf
  
Dropping
MD5 12fdac75b0797b16279e0170bd624b07
  
URLhaus
https://urlhaus.abuse.ch/url/3757624/
  
URLhaus
https://urlhaus.abuse.ch/url/3753590/

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