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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21ad4490d4e2353d349f2fb75f48b151c45c65dbd09df4a279c682599bbb3879. 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: 9


Intelligence 9 IOCs YARA 11 File information Comments

SHA256 hash: 21ad4490d4e2353d349f2fb75f48b151c45c65dbd09df4a279c682599bbb3879
SHA3-384 hash: 83f1a2888b4840f34dd34a7fe79bef03f5fd9823d0b439090177e7b5d5c65f100587def67fcdd1cc1538b0b745748df7
SHA1 hash: a86d7278145013954a8ff463caa6a9dac0b43147
MD5 hash: 47a44e20d0253cc10b13f029ca67ffca
humanhash: iowa-shade-eleven-angel
File name:Space.arm
Download: download sample
Signature Mirai
File size:79'168 bytes
First seen:2026-10-15 18:43:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:uB/VU93ilj19ZBpCO72Rbu1U+qhxp8f8vNV:uB/VBBpCO72RDRZNV
TLSH T1EA733B56FC814A23C6C1127BF76E468D3B2653E8E2EA72039E259F3133C751B0D6B895
telfhash t1bf4143b1e7b40bdc67c0c704c24a9265aeb4316d771034a38b2d978b92d3bc1b11e42b
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e22a8fa512acf18ebf1fd4940e0eeedd64f15460713750729c3762230d10546a
File size (compressed) :36'832 bytes
File size (de-compressed) :79'168 bytes
Format:linux/arm
Packed file: e22a8fa512acf18ebf1fd4940e0eeedd64f15460713750729c3762230d10546a

Intelligence


File Origin
# of uploads :
1
# of downloads :
102
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-15T17:55:00Z UTC
Last seen:
2026-10-17T13:18:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=f7e60c94-1c00-0000-c6e3-e86b070c0000 pid=3079 /usr/bin/sudo guuid=230fb198-1c00-0000-c6e3-e86b0a0c0000 pid=3082 /tmp/sample.bin guuid=f7e60c94-1c00-0000-c6e3-e86b070c0000 pid=3079->guuid=230fb198-1c00-0000-c6e3-e86b0a0c0000 pid=3082 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-10-15 18:45:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet
Malware Config
C2 Extraction:
91.92.43.221
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:deepfield_qtxbot_mirai_xor_table
Author:Nokia Deepfield ERT
Description:morte/Kurayami-lineage Mirai fork table: qtxbot and GhostWuzHere666 XOR-0x22 encoded
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_af48ca6a
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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: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 21ad4490d4e2353d349f2fb75f48b151c45c65dbd09df4a279c682599bbb3879

(this sample)

Comments