MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5a33c858c1cc9f3a76d1febbb95375e8b1fbd06f5084770c7430af35ea78016. 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: 10


Intelligence 10 IOCs YARA 17 File information Comments

SHA256 hash: a5a33c858c1cc9f3a76d1febbb95375e8b1fbd06f5084770c7430af35ea78016
SHA3-384 hash: 1d4027a5e37b8ca1f5c42d6d0fe96f478f3e1f0166b694276a2d623741a22764e402c831afa7d741f8f64e4232149356
SHA1 hash: ef06b64b7f46b0cc7b80e5bd2d392321f42df52f
MD5 hash: f96521a7a2b38bc49666716f18441769
humanhash: beryllium-lima-uncle-batman
File name:px86
Download: download sample
Signature Mirai
File size:163'752 bytes
First seen:2026-06-19 20:38:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:XWsOmRHGO3wWNW6WwjLryWxr/231RjPYyxqzDyIgQLOmLYWbdmCoPOOaGN7Wla:GqRHGO3w0W6WcLGu/231RTYyxqztOn0p
TLSH T178F37DC1F743D4F5D85B01B020B7E7328B72E939102FEE56D7A9AE36AC52601951B3AC
telfhash t1ff5178b8be760adca3c0d512c6ce6f10ed0ee677786035bd0aa317d432b695152b9c39
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 38a168dacb5dd821496c5e964d7710d53193c3f75c4ba9e18e3c09dd20866e9b
File size (compressed) :68'716 bytes
File size (de-compressed) :163'752 bytes
Format:linux/i386
Packed file: 38a168dacb5dd821496c5e964d7710d53193c3f75c4ba9e18e3c09dd20866e9b

Intelligence


File Origin
# of uploads :
1
# of downloads :
61
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Kills processes
Opens a port
Connection attempt
Runs as daemon
Launching a process
Substitutes an application name
Deleting of the original file
Status:
terminated
Behavior Graph:
%3 guuid=e7704444-1900-0000-2cf2-2dc3a60e0000 pid=3750 /usr/bin/sudo guuid=7c54d447-1900-0000-2cf2-2dc3ae0e0000 pid=3758 /tmp/sample.bin delete-file net guuid=e7704444-1900-0000-2cf2-2dc3a60e0000 pid=3750->guuid=7c54d447-1900-0000-2cf2-2dc3ae0e0000 pid=3758 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=7c54d447-1900-0000-2cf2-2dc3ae0e0000 pid=3758->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=26cc1348-1900-0000-2cf2-2dc3af0e0000 pid=3759 /tmp/sample.bin net send-data zombie guuid=7c54d447-1900-0000-2cf2-2dc3ae0e0000 pid=3758->guuid=26cc1348-1900-0000-2cf2-2dc3af0e0000 pid=3759 clone guuid=30891848-1900-0000-2cf2-2dc3b00e0000 pid=3760 /tmp/sample.bin guuid=7c54d447-1900-0000-2cf2-2dc3ae0e0000 pid=3758->guuid=30891848-1900-0000-2cf2-2dc3b00e0000 pid=3760 clone guuid=26cc1348-1900-0000-2cf2-2dc3af0e0000 pid=3759->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con cdd9a59d-ebea-5ef6-bf59-6b5cacebbc95 62.60.159.184:18129 guuid=26cc1348-1900-0000-2cf2-2dc3af0e0000 pid=3759->cdd9a59d-ebea-5ef6-bf59-6b5cacebbc95 send: 12B guuid=62562748-1900-0000-2cf2-2dc3b10e0000 pid=3761 /tmp/sample.bin guuid=26cc1348-1900-0000-2cf2-2dc3af0e0000 pid=3759->guuid=62562748-1900-0000-2cf2-2dc3b10e0000 pid=3761 clone guuid=28c62b48-1900-0000-2cf2-2dc3b20e0000 pid=3762 /tmp/sample.bin guuid=26cc1348-1900-0000-2cf2-2dc3af0e0000 pid=3759->guuid=28c62b48-1900-0000-2cf2-2dc3b20e0000 pid=3762 clone guuid=dd88db2c-2400-0000-2cf2-2dc360140000 pid=5216 /tmp/sample.bin net send-data guuid=26cc1348-1900-0000-2cf2-2dc3af0e0000 pid=3759->guuid=dd88db2c-2400-0000-2cf2-2dc360140000 pid=5216 clone guuid=44e3469c-1b00-0000-2cf2-2dc3fa130000 pid=5114 /usr/bin/dash guuid=30891848-1900-0000-2cf2-2dc3b00e0000 pid=3760->guuid=44e3469c-1b00-0000-2cf2-2dc3fa130000 pid=5114 execve guuid=7f2c13f1-1d00-0000-2cf2-2dc35d140000 pid=5213 /usr/bin/dash guuid=30891848-1900-0000-2cf2-2dc3b00e0000 pid=3760->guuid=7f2c13f1-1d00-0000-2cf2-2dc35d140000 pid=5213 execve guuid=32656c45-2000-0000-2cf2-2dc35e140000 pid=5214 /usr/bin/dash guuid=30891848-1900-0000-2cf2-2dc3b00e0000 pid=3760->guuid=32656c45-2000-0000-2cf2-2dc35e140000 pid=5214 execve guuid=3db7d499-2200-0000-2cf2-2dc35f140000 pid=5215 /usr/bin/dash guuid=30891848-1900-0000-2cf2-2dc3b00e0000 pid=3760->guuid=3db7d499-2200-0000-2cf2-2dc35f140000 pid=5215 execve guuid=784f73ee-2400-0000-2cf2-2dc362140000 pid=5218 /usr/bin/dash guuid=30891848-1900-0000-2cf2-2dc3b00e0000 pid=3760->guuid=784f73ee-2400-0000-2cf2-2dc362140000 pid=5218 execve guuid=e56be742-2700-0000-2cf2-2dc36d140000 pid=5229 /usr/bin/dash guuid=30891848-1900-0000-2cf2-2dc3b00e0000 pid=3760->guuid=e56be742-2700-0000-2cf2-2dc36d140000 pid=5229 execve 92b1d34a-a60b-59d8-bfee-5132dfe92808 67.213.127.93:53 guuid=dd88db2c-2400-0000-2cf2-2dc360140000 pid=5216->92b1d34a-a60b-59d8-bfee-5132dfe92808 send: 4097B guuid=83cbf72c-2400-0000-2cf2-2dc361140000 pid=5217 /tmp/sample.bin guuid=dd88db2c-2400-0000-2cf2-2dc360140000 pid=5216->guuid=83cbf72c-2400-0000-2cf2-2dc361140000 pid=5217 clone
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2026-06-19 20:39:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
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:without_attachments
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any attachment
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:with_urls
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/

File information


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

Web download

Mirai

elf a5a33c858c1cc9f3a76d1febbb95375e8b1fbd06f5084770c7430af35ea78016

(this sample)

  
Delivery method
Distributed via web download

Comments