MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5b9defcb563f5e460b2d7814fe31b35e8389033795b5d690d80b40dcdb84597. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: d5b9defcb563f5e460b2d7814fe31b35e8389033795b5d690d80b40dcdb84597
SHA3-384 hash: 6902667b13739d2de4dc95a3ee0c0c950f0b175873ed4d118a545f351dc4fe618ce4dd045d98bff0297709cfa3b35cfe
SHA1 hash: 4408b494d852c9c92dcc3be867001a6c4091827e
MD5 hash: 61e9c71259cb3491c67ad5289e61cf53
humanhash: michigan-apart-ink-moon
File name:arm7
Download: download sample
Signature Mirai
File size:277'860 bytes
First seen:2026-04-26 06:32:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:t3Uiik2HYfhntKge5CtJldwxXjlq+xiDo4y+llmqLiJ:twVHiz5QjlvxRVdqLiJ
TLSH T12744238CCE8BEB994266DE3B2CDAC4B475176BD0DE456C1A9A48D009409C27FFB8F944
telfhash t1f6b002ac5a332d5512213ca9400b4c354912931583720302ddd7d915a85fed1d087b3b
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :277'860 bytes
File size (de-compressed) :572'688 bytes
Format:linux/arm
Unpacked file: 6a163fa66f95517993859e1c8cdff8b1770fc0bfa3df7548f2bb7df66e481d68

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Creating a file
Runs as daemon
Opens a port
DNS request
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-26T04:45:00Z UTC
Last seen:
2026-04-26T06:26:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=890de7f1-1700-0000-d0f0-3f28100b0000 pid=2832 /usr/bin/sudo guuid=b4a4cef3-1700-0000-d0f0-3f28170b0000 pid=2839 /tmp/sample.bin guuid=890de7f1-1700-0000-d0f0-3f28100b0000 pid=2832->guuid=b4a4cef3-1700-0000-d0f0-3f28170b0000 pid=2839 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: 1904790 Sample: arm7.elf Startdate: 26/04/2026 Architecture: LINUX Score: 52 16 104.21.67.22, 33072, 33074, 33078 CLOUDFLARENETUS United States 2->16 18 eth.llamarpc.com 172.67.167.200, 41648, 41662, 41668 CLOUDFLARENETUS United States 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Sample is packed with UPX 2->22 8 arm7.elf 2->8         started        signatures3 process4 process5 10 arm7.elf 8->10         started        process6 12 arm7.elf 10->12         started        14 arm7.elf 10->14         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-04-26 06:33:47 UTC
File Type:
ELF32 Little (Exe)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery upx
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 d5b9defcb563f5e460b2d7814fe31b35e8389033795b5d690d80b40dcdb84597

(this sample)

  
Delivery method
Distributed via web download

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