MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87b8a94249ca64d61bb139442b61f863eedd2175e3739dcaea1b2ca2c56f91cf. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87b8a94249ca64d61bb139442b61f863eedd2175e3739dcaea1b2ca2c56f91cf
SHA3-384 hash: c819b2b45179af1f8586014c1d1615ca12b7bbd1d016ea38dbf2945e59adf26cea7f8ae310c1134f4a3ec333a81b2d3e
SHA1 hash: c63e7a9df07e58e9e145bd61e984814e34c1b800
MD5 hash: 14658dd067937716f45f94984e347c39
humanhash: uncle-apart-nuts-minnesota
File name:luxzz.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:92'248 bytes
First seen:2026-05-23 13:54:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:lOV4HFG59DYFVayhw8b8pPRLQ0YeKXffd6bqmv1o:lOV4HO9E/V0pPVQ0+Pk1o
TLSH T1FE933B45FC919A12C6D5137BFB2E228E372663A4E2DE3203DE156F22338659B0D7B741
telfhash t11151f0f6eb900ecc2bd8924482de752d4fed316e17052497d65caf8f98439c2b12e827
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 91e1d93bcd43bda9e44da5038567aff744afd2a9cec546aea9de16d5d1dcf8bb
File size (compressed) :46'748 bytes
File size (de-compressed) :92'248 bytes
Format:linux/arm
Packed file: 91e1d93bcd43bda9e44da5038567aff744afd2a9cec546aea9de16d5d1dcf8bb

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/5e3c4b04-9a81-4060-baf1-3c86ff3ff421/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated rust
Link:
https://www.filescan.io/uploads/6a11b1d0861ee596e6482467/reports/fec3cf5e-ca73-4d42-ab75-13efb052a135/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-22T20:54:00Z UTC
Last seen:
2026-05-23T12:23:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/87b8a94249ca64d61bb139442b61f863eedd2175e3739dcaea1b2ca2c56f91cf/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/23b4a550-22d0-4d90-be5b-06171fa4d101
Behavior Graph:
Download SVG
%3 guuid=830d529e-1a00-0000-fc42-d334d30a0000 pid=2771 /usr/bin/sudo guuid=4ccc71a0-1a00-0000-fc42-d334d40a0000 pid=2772 /tmp/sample.bin guuid=830d529e-1a00-0000-fc42-d334d30a0000 pid=2771->guuid=4ccc71a0-1a00-0000-fc42-d334d40a0000 pid=2772 execve
Gathering data
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/87b8a94249ca64d61bb139442b61f863eedd2175e3739dcaea1b2ca2c56f91cf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87b8a94249ca64d61bb139442b61f863eedd2175e3739dcaea1b2ca2c56f91cf/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-05-23 04:16:01 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q64ksqsjzjsnmg5rhfccwypympxn2ilv4nzz3sxkdmwkfrlpshhq._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet
Link:
https://tria.ge/reports/260523-q8cq3ads4w/
Malware Config
C2 Extraction:
anakkontolmemek.my.id
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/87b8a94249ca64d61bb139442b61f863eedd2175e3739dcaea1b2ca2c56f91cf

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
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 91e1d93bcd43bda9e44da5038567aff744afd2a9cec546aea9de16d5d1dcf8bb

Mirai

elf 87b8a94249ca64d61bb139442b61f863eedd2175e3739dcaea1b2ca2c56f91cf

(this sample)

  
Dropped by
SHA256 91e1d93bcd43bda9e44da5038567aff744afd2a9cec546aea9de16d5d1dcf8bb
  
URLhaus
https://urlhaus.abuse.ch/url/3852077/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 56c6b6c7fb37e4ec0eabca1df29ca30b

Comments