MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f4d49a91b5021c697a6e8fb3b0c6ea8232198dec8c7180dac8cc5a12387f850. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f4d49a91b5021c697a6e8fb3b0c6ea8232198dec8c7180dac8cc5a12387f850
SHA3-384 hash: f3fc154f5aa0f6097c4f5491ac8a0c5d41332f94f963db8decc642d300ebe64d61fa709787107ede3ac4648329f7e524
SHA1 hash: 059fe168be5d3fdb0e5002ae55919ecbebab926c
MD5 hash: 4a8f01ae89eeeaf569e7c80da50da22a
humanhash: california-stairway-hot-fix
File name:windy.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:54'568 bytes
First seen:2025-10-19 22:06:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:9B1FWuyiK0FOhLN7XShsasxhpv47dumnouy8HyU:1QmJFOhZXVTi7dvoutj
TLSH T19C33011C81E19B65EC7B0834ACBA77DA3121CA13E7240F795A8E21B6657CF05ADDE0F1
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 :
53
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Opens a port
Sends data to a server
Connection attempt
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed upx
Link:
https://www.filescan.io/uploads/68f560f5c85c5c56972e4f3c/reports/e720c588-dbd6-41a7-bdf7-e5ae6f227183/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-19T16:36:00Z UTC
Last seen:
2025-10-21T18:33:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/1f4d49a91b5021c697a6e8fb3b0c6ea8232198dec8c7180dac8cc5a12387f850/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6290dcd1-eee9-4c4f-a4aa-82ce99d40668
Behavior Graph:
Download SVG
%3 guuid=9e8e3cd6-1c00-0000-50d6-28d2660c0000 pid=3174 /usr/bin/sudo guuid=19c8b1d9-1c00-0000-50d6-28d2670c0000 pid=3175 /tmp/sample.bin net guuid=9e8e3cd6-1c00-0000-50d6-28d2660c0000 pid=3174->guuid=19c8b1d9-1c00-0000-50d6-28d2670c0000 pid=3175 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=19c8b1d9-1c00-0000-50d6-28d2670c0000 pid=3175->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=222fbcda-1c00-0000-50d6-28d2680c0000 pid=3176 /tmp/sample.bin guuid=19c8b1d9-1c00-0000-50d6-28d2670c0000 pid=3175->guuid=222fbcda-1c00-0000-50d6-28d2680c0000 pid=3176 clone guuid=17d44307-1e00-0000-50d6-28d23f0f0000 pid=3903 /tmp/sample.bin guuid=19c8b1d9-1c00-0000-50d6-28d2670c0000 pid=3175->guuid=17d44307-1e00-0000-50d6-28d23f0f0000 pid=3903 clone guuid=7d6f4807-1e00-0000-50d6-28d2410f0000 pid=3905 /tmp/sample.bin net send-data zombie guuid=19c8b1d9-1c00-0000-50d6-28d2670c0000 pid=3175->guuid=7d6f4807-1e00-0000-50d6-28d2410f0000 pid=3905 clone guuid=b403c6da-1c00-0000-50d6-28d2690c0000 pid=3177 /tmp/sample.bin guuid=222fbcda-1c00-0000-50d6-28d2680c0000 pid=3176->guuid=b403c6da-1c00-0000-50d6-28d2690c0000 pid=3177 clone guuid=d0a6d3da-1c00-0000-50d6-28d26a0c0000 pid=3178 /tmp/sample.bin dns net send-data zombie guuid=222fbcda-1c00-0000-50d6-28d2680c0000 pid=3176->guuid=d0a6d3da-1c00-0000-50d6-28d26a0c0000 pid=3178 clone guuid=d0a6d3da-1c00-0000-50d6-28d26a0c0000 pid=3178->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 45B 0ecf02bb-0e2c-5ebd-8166-f09908e50581 mirailoversddos.duckdns.org:69 guuid=d0a6d3da-1c00-0000-50d6-28d26a0c0000 pid=3178->0ecf02bb-0e2c-5ebd-8166-f09908e50581 send: 10B guuid=7d6f4807-1e00-0000-50d6-28d2410f0000 pid=3905->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1380B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=7d6f4807-1e00-0000-50d6-28d2410f0000 pid=3905->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/43e100b7-298a-466d-9b1b-43b2c8ea3c64
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1797977
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1797977 Sample: windy.i686.elf Startdate: 20/10/2025 Architecture: LINUX Score: 64 22 mirailoversddos.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 5 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 8 windy.i686.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 windy.i686.elf 8->12         started        14 windy.i686.elf 8->14         started        16 windy.i686.elf 8->16         started        process6 18 windy.i686.elf 12->18         started        20 windy.i686.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1f4d49a91b5021c697a6e8fb3b0c6ea8232198dec8c7180dac8cc5a12387f850
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1f4d49a91b5021c697a6e8fb3b0c6ea8232198dec8c7180dac8cc5a12387f850/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-19 21:29:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d5gutki3kaq4nf5g5d5twddovarsdgg6zddrqdnmrtc2ci4h7bia._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/251019-11ekssbx3f/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bf32b0df-4352-4d33-b6f7-928c3b2f83a1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/1f4d49a91b5021c697a6e8fb3b0c6ea8232198dec8c7180dac8cc5a12387f850

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 1f4d49a91b5021c697a6e8fb3b0c6ea8232198dec8c7180dac8cc5a12387f850

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3681123/
  
Delivery method
Distributed via web download

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