MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b81d7e895362395535a2d5ea24c32749bdf9c8e6013307beb1cce0150fc224f. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b81d7e895362395535a2d5ea24c32749bdf9c8e6013307beb1cce0150fc224f
SHA3-384 hash: 75b9e149101cad25b76ebcfeabcc7bba911022af086f0c173629baa49de0ff42b4f1572e6937a1121f79c949e26e1d49
SHA1 hash: c6b1aacb5ff6bc29e12e18b355725bd12029a8d0
MD5 hash: 85b67e85111793e2910495d6c644f4f6
humanhash: pizza-spring-jupiter-wolfram
File name:rizzx.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:79'412 bytes
First seen:2026-02-18 18:31:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:0bMP6X3uwvGMSo+RIBlng2N5Xekch3K68cSw7:0bMC3ZGVo+R0lvN4kM397
TLSH T1B2736CC4EA83D4F6EC130A350037BB379AB3E13E2169DB83D3A9A525DC125C2DA1635C
telfhash t1d531e5fe0ab748f8e7c46880830f2b61695ed777251032a30672d964629fec184bec39
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 2fdea35950d735f2f97a13f7189d7951ae9d27c5ae504448b1ade310edb8e5b7
File size (compressed) :39'684 bytes
File size (de-compressed) :79'412 bytes
Format:linux/i386
Packed file: 2fdea35950d735f2f97a13f7189d7951ae9d27c5ae504448b1ade310edb8e5b7

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/c6ddecf5-480c-4284-aad6-9be2e5323c3d/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

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

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/699605b291ad9169e532931a/reports/4b806dfc-76cc-4583-a871-612ad962fe26/overview
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/1b81d7e895362395535a2d5ea24c32749bdf9c8e6013307beb1cce0150fc224f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/96ada843-db5b-45a2-8d34-abcbde5e01ff
Behavior Graph:
Download SVG
%3 guuid=7f527b78-2300-0000-0d39-7e25970a0000 pid=2711 /usr/bin/sudo guuid=72317f7b-2300-0000-0d39-7e25a00a0000 pid=2720 /tmp/sample.bin net guuid=7f527b78-2300-0000-0d39-7e25970a0000 pid=2711->guuid=72317f7b-2300-0000-0d39-7e25a00a0000 pid=2720 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=72317f7b-2300-0000-0d39-7e25a00a0000 pid=2720->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=68c5b47b-2300-0000-0d39-7e25a10a0000 pid=2721 /tmp/sample.bin guuid=72317f7b-2300-0000-0d39-7e25a00a0000 pid=2720->guuid=68c5b47b-2300-0000-0d39-7e25a10a0000 pid=2721 clone guuid=041f89a8-2400-0000-0d39-7e25bc0c0000 pid=3260 /tmp/sample.bin guuid=72317f7b-2300-0000-0d39-7e25a00a0000 pid=2720->guuid=041f89a8-2400-0000-0d39-7e25bc0c0000 pid=3260 clone guuid=65ac92a8-2400-0000-0d39-7e25bd0c0000 pid=3261 /tmp/sample.bin net send-data zombie guuid=72317f7b-2300-0000-0d39-7e25a00a0000 pid=2720->guuid=65ac92a8-2400-0000-0d39-7e25bd0c0000 pid=3261 clone guuid=dcd1bb7b-2300-0000-0d39-7e25a20a0000 pid=2722 /tmp/sample.bin guuid=68c5b47b-2300-0000-0d39-7e25a10a0000 pid=2721->guuid=dcd1bb7b-2300-0000-0d39-7e25a20a0000 pid=2722 clone guuid=044cc47b-2300-0000-0d39-7e25a30a0000 pid=2723 /tmp/sample.bin dns net send-data zombie guuid=68c5b47b-2300-0000-0d39-7e25a10a0000 pid=2721->guuid=044cc47b-2300-0000-0d39-7e25a30a0000 pid=2723 clone guuid=044cc47b-2300-0000-0d39-7e25a30a0000 pid=2723->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 35B 5b063f5c-af84-587e-9321-c96a2d578797 pls.ddosme.web.id:69 guuid=044cc47b-2300-0000-0d39-7e25a30a0000 pid=2723->5b063f5c-af84-587e-9321-c96a2d578797 send: 10B guuid=65ac92a8-2400-0000-0d39-7e25bd0c0000 pid=3261->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1050B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=65ac92a8-2400-0000-0d39-7e25bd0c0000 pid=3261->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8b365ac8-e7c7-4666-9d3a-ac28601701e5
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1b81d7e895362395535a2d5ea24c32749bdf9c8e6013307beb1cce0150fc224f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1b81d7e895362395535a2d5ea24c32749bdf9c8e6013307beb1cce0150fc224f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-18 19:14:42 UTC
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=doa5p2evgyrzku22fvpketbsosn57heomajta67ldthacuh4ejhq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/260218-w6rp4aez2e/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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: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_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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: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

sh 10510d1fd3ff4e050340fa0d620f7ef0b3b232203a0edd5afac7a1aa55d244d5

Mirai

elf 2fdea35950d735f2f97a13f7189d7951ae9d27c5ae504448b1ade310edb8e5b7

Mirai

elf 1b81d7e895362395535a2d5ea24c32749bdf9c8e6013307beb1cce0150fc224f

(this sample)

  
Dropped by
SHA256 2fdea35950d735f2f97a13f7189d7951ae9d27c5ae504448b1ade310edb8e5b7
  
URLhaus
https://urlhaus.abuse.ch/url/3780595/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3780594/
  
URLhaus
https://urlhaus.abuse.ch/url/3780601/
  
URLhaus
https://urlhaus.abuse.ch/url/3780636/
  
Dropped by
MD5 d5fba7f2e60c358a43601584ef79ae1f

Comments