MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e81cd8573237f7f2eb138d55cab1507bd5e5aca349e69720fe84ebf1b85e64bc. 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 10 File information Comments

SHA256 hash: e81cd8573237f7f2eb138d55cab1507bd5e5aca349e69720fe84ebf1b85e64bc
SHA3-384 hash: af121d3a0bdea750c4ced72e8be9cf2810ea167a9c249e023b573cedf39277b6c58607b0856845b5ae96f39215f1100b
SHA1 hash: 3716b5e4546ba2bd46c8d282a59e22038e63675f
MD5 hash: 004cd187b49e7c077ada8a09b3f50c4a
humanhash: lithium-kentucky-coffee-hot
File name:arm7
Download: download sample
Signature Mirai
File size:150'618 bytes
First seen:2026-01-22 21:06:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:rJzcdN2r4GP17Oabvzj4dlRsh8ZQIld24XkkTM/9hY:rJzc+9hOabvzj4dLsh8/24XkYM/9hY
TLSH T1FCE32B56EA418B13C0D61779B6DF42453333ABA493DB73069928BFF43F8679A0E23905
telfhash t15c2131705336a115aea1cc64dcee87f2111996232744af73ee36c0cc68060cae52bc0f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
90
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
37215
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=39338dbc-1600-0000-85e5-0b22aa0c0000 pid=3242 /usr/bin/sudo guuid=8c8c52be-1600-0000-85e5-0b22b10c0000 pid=3249 /tmp/sample.bin guuid=39338dbc-1600-0000-85e5-0b22aa0c0000 pid=3242->guuid=8c8c52be-1600-0000-85e5-0b22b10c0000 pid=3249 execve
Result
Threat name:
Mirai, Moobot
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1856073 Sample: arm7.elf Startdate: 22/01/2026 Architecture: LINUX Score: 100 26 197.191.246.156 zain-asGH Ghana 2->26 28 41.203.76.58 globacom-asNG Nigeria 2->28 30 99 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 4 other signatures 2->38 8 arm7.elf 2->8         started        signatures3 process4 process5 10 arm7.elf sh 8->10         started        12 arm7.elf 8->12         started        process6 14 sh rm 10->14         started        16 sh mkdir 10->16         started        18 sh mv 10->18         started        20 sh chmod 10->20         started        22 arm7.elf 12->22         started        24 arm7.elf 12->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-22 21:07:50 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Enumerates running processes
File and Directory Permissions Modification
Contacts a large (28116) amount of remote hosts
Creates a large amount of network flows
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 e81cd8573237f7f2eb138d55cab1507bd5e5aca349e69720fe84ebf1b85e64bc

(this sample)

  
Delivery method
Distributed via web download

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