MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18bd66490fafffe9126ffeb8d39dc9bbdd0c29b84f551a76572195368182ca72. 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

SHA256 hash: 18bd66490fafffe9126ffeb8d39dc9bbdd0c29b84f551a76572195368182ca72
SHA3-384 hash: 005b2aefbc1a1b889a399c472a6a7037f2659157a85654474228fa55b24092637cf6404a2de71fbe0f89c8f5376ca82d
SHA1 hash: 63fc27de80a302ff653e29b5beb83556cd5d25ec
MD5 hash: 99f925bf94e78968d80d491fc445c4d4
humanhash: eighteen-april-early-jupiter
File name:debug
Download: download sample
Signature Mirai
File size:41'832 bytes
First seen:2026-01-13 17:48:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:jjhJOAdeRX2gWGJleOUeJDb7ECgb4joGV1OxnbcuyD7UHQRjY:jjhJOAdohf3tsPEjo4ynouy8Hy8
TLSH T1A513E10BD668A608F9BF1130D26FED9285018B0751EC69E6CD2C3B4A5DADB1D2C2D367
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) :41'832 bytes
File size (de-compressed) :87'316 bytes
Format:linux/i386
Unpacked file: 1e01bb640485035b176784beb3ef8a575eb3ee0576db0ecdf03fa09bcfc2acff

Intelligence


File Origin
# of uploads :
1
# of downloads :
49
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=657d3fba-2100-0000-d7f7-7a457c0c0000 pid=3196 /usr/bin/sudo guuid=74a0bbbd-2100-0000-d7f7-7a45810c0000 pid=3201 /tmp/sample.bin net send-data guuid=657d3fba-2100-0000-d7f7-7a457c0c0000 pid=3196->guuid=74a0bbbd-2100-0000-d7f7-7a45810c0000 pid=3201 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=74a0bbbd-2100-0000-d7f7-7a45810c0000 pid=3201->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 775B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=74a0bbbd-2100-0000-d7f7-7a45810c0000 pid=3201->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=9a4914fa-2100-0000-d7f7-7a45ba0c0000 pid=3258 /tmp/sample.bin dns net send-data guuid=74a0bbbd-2100-0000-d7f7-7a45810c0000 pid=3201->guuid=9a4914fa-2100-0000-d7f7-7a45ba0c0000 pid=3258 clone guuid=13664027-2300-0000-d7f7-7a456d0f0000 pid=3949 /tmp/sample.bin guuid=74a0bbbd-2100-0000-d7f7-7a45810c0000 pid=3201->guuid=13664027-2300-0000-d7f7-7a456d0f0000 pid=3949 clone guuid=9a4914fa-2100-0000-d7f7-7a45ba0c0000 pid=3258->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 900B guuid=9a4914fa-2100-0000-d7f7-7a45ba0c0000 pid=3258->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=39d81bfa-2100-0000-d7f7-7a45bb0c0000 pid=3259 /tmp/sample.bin guuid=9a4914fa-2100-0000-d7f7-7a45ba0c0000 pid=3258->guuid=39d81bfa-2100-0000-d7f7-7a45bb0c0000 pid=3259 clone
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1850107 Sample: debug.elf Startdate: 13/01/2026 Architecture: LINUX Score: 68 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->24 26 4 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 Yara detected Mirai 2->32 34 Sample is packed with UPX 2->34 8 debug.elf 2->8         started        10 dash rm 2->10         started        12 dash cut 2->12         started        14 9 other processes 2->14 signatures3 process4 process5 16 debug.elf 8->16         started        18 debug.elf 8->18         started        process6 20 debug.elf 16->20         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-13 17:49:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
202.1.31.175
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 18bd66490fafffe9126ffeb8d39dc9bbdd0c29b84f551a76572195368182ca72

(this sample)

  
Delivery method
Distributed via web download

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