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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81d76a0c26340314a05ca2c070b85851a0a0edd3cb80df6d41d5b31f848705f7. 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 15 File information Comments

SHA256 hash: 81d76a0c26340314a05ca2c070b85851a0a0edd3cb80df6d41d5b31f848705f7
SHA3-384 hash: d40a0306d9e4af86e219263f6a1bddc0468b16df6d43763273f9449b809ca853038c89291e86aec390153c56b12b80d6
SHA1 hash: c7fe4c23fa2c5b8a3fa86160ba805de0b2bffe36
MD5 hash: 2295fe367291a49d144fd43f14d0ac2e
humanhash: double-hotel-sink-sixteen
File name:sever1078.arm6l
Download: download sample
Signature Mirai
File size:487'852 bytes
First seen:2026-09-20 05:27:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:fATkEc4H6VwnqVA725cfy9Ybxu38tyDY4Jq+7sBuTOu0dgkevu97vzajSxtL5Mc0:YQR/7pTOuSeD6XPt7
TLSH T1BCA45C85BC809B95D5E01BBBFF2E528833131BB8E2EF71074D195B6467CAC9A0F7A501
telfhash t14e515473be891a5cbbd991e0829f5838c6b5317d5b50249bca28ab1fec93cc1750e427
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 29db3c6e90e68ecfb092dc967d8870e14047b05f1b83d8aed94b78539819e97f
File size (compressed) :222'588 bytes
File size (de-compressed) :487'852 bytes
Format:linux/arm
Packed file: 29db3c6e90e68ecfb092dc967d8870e14047b05f1b83d8aed94b78539819e97f

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
expand lolbin obfuscated rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
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:
2026-09-20T03:39:00Z UTC
Last seen:
2026-09-22T00:33:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=713fe8f5-1800-0000-7c26-40f4b20b0000 pid=2994 /usr/bin/sudo guuid=c33475fc-1800-0000-7c26-40f4c10b0000 pid=3009 /tmp/sample.bin guuid=713fe8f5-1800-0000-7c26-40f4b20b0000 pid=2994->guuid=c33475fc-1800-0000-7c26-40f4c10b0000 pid=3009 execve
Gathering data
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-09-20 05:28:01 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet
Malware Config
C2 Extraction:
bigbigvol.qd.je
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-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_1ac392ca
Author:Elastic Security
Rule name:Linux_Generic_Threat_c19ca8e5
Author:Elastic Security
Rule name:NSVPS_Mirai_Busybox_Staging
Author:sanad (NSVPS-SOC)
Description:Mirai-style busybox wget/tftp payload staging seen in NSVPS honeypot
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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
Rule name:VPNFilter
Author:Christiaan Beek @ McAfee Advanced Threat Research
Description:Filter for 2nd stage malware used in VPNfilter attack
Reference:https://blog.talosintelligence.com/2018/05/VPNFilter.html

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 81d76a0c26340314a05ca2c070b85851a0a0edd3cb80df6d41d5b31f848705f7

(this sample)

  
Delivery method
Distributed via web download

Comments