MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7caa8b33aed02172518789d84dc2caa9a86a38786173ffc6ec50fc4de831fa37. 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: 6


Intelligence 6 IOCs YARA 11 File information Comments

SHA256 hash: 7caa8b33aed02172518789d84dc2caa9a86a38786173ffc6ec50fc4de831fa37
SHA3-384 hash: 8934e1ff69c9dfd9a387385ef49d8083f9fb12eaa86a6eb84b810b40dcb1507ee553d984a168831903e46c9b1941e78f
SHA1 hash: 98c330ae75611836eb39ad8171c91981bbc68c6a
MD5 hash: d7fd9f25f4f8c58927fbaf775d0c7ec7
humanhash: fifteen-johnny-oven-bluebird
File name:sys64.arm5
Download: download sample
Signature Mirai
File size:444'584 bytes
First seen:2026-08-11 14:08:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:gt7iXPLQKJY/H/YQYChzcHo3gxwH8sI2IVeRvP:5AfYShzcHo3gxwc
TLSH T161941865F8819B92C6C02BBBFF5E834C331767ACD2EE7103CD156B2537E689A0E26541
telfhash t105e02ba205f410d5b2d280dbe72bdb2226a4e4ae5a826897c198da4fc0832873845d04
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
52
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Clean
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
expand lolbin masquerade rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-11T11:48:00Z UTC
Last seen:
2026-08-12T01:41:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=4f178ad0-1900-0000-9523-2a1753080000 pid=2131 /usr/bin/sudo guuid=61ca76d3-1900-0000-9523-2a1759080000 pid=2137 /tmp/sample.bin guuid=4f178ad0-1900-0000-9523-2a1753080000 pid=2131->guuid=61ca76d3-1900-0000-9523-2a1759080000 pid=2137 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1956101 Sample: sys64.arm5.elf Startdate: 11/08/2026 Architecture: LINUX Score: 72 13 Antivirus / Scanner detection for submitted sample 2->13 15 Multi AV Scanner detection for submitted file 2->15 17 Yara detected Mirai 2->17 7 sys64.arm5.elf 2->7         started        process3 process4 9 sys64.arm5.elf 7->9         started        process5 11 sys64.arm5.elf 9->11         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-11 14:14:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
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: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: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 7caa8b33aed02172518789d84dc2caa9a86a38786173ffc6ec50fc4de831fa37

(this sample)

  
Delivery method
Distributed via web download

Comments