MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bf58a0e93c7bf558d7edf84f24a6e690fc8cfb0e48b2bab4060240606c61c8d. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash: 8bf58a0e93c7bf558d7edf84f24a6e690fc8cfb0e48b2bab4060240606c61c8d
SHA3-384 hash: 9c45fb445223678dfebb1409da4ea0cd368d0c1d134ebc7a2be59fd5d54278d767d0160ca38fa407534c74e6a24863c0
SHA1 hash: 16856bf17dfde3e6cef0b3aaef637b36814c0b8b
MD5 hash: 330d97a2295896b5db6f24071d6e3e5e
humanhash: fillet-blossom-grey-georgia
File name:x86_64
Download: download sample
Signature Mirai
File size:58'036 bytes
First seen:2026-08-12 01:47:30 UTC
Last seen:2026-08-12 18:32:03 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:Oocd4IoJHbhFrqbtcv4+Hb4wmSwtVd5KJaFRlOL5SK9UJ3WKlstNKVCFAf5+C:OeXFxaU4wmSw7dMWI9uWMs4CY+C
TLSH T1A043021251B7A536C561F73F7E21EB986424764EBB680EFB40D86ABBC4131223F29F50
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
File size (compressed) :58'036 bytes
File size (de-compressed) :151'632 bytes
Format:linux/amd64
Unpacked file: 2f823f9602e103771ff0dcf0828107a3e10ad672d14541b8dc55e6c545b8ce16

Intelligence


File Origin
# of uploads :
3
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
DNS request
Runs as daemon
Sends data to a server
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=59cef430-1a00-0000-a290-87824d070000 pid=1869 /usr/bin/sudo guuid=aa33b736-1a00-0000-a290-87824e070000 pid=1870 /tmp/sample.bin mprotect-exec net guuid=59cef430-1a00-0000-a290-87824d070000 pid=1869->guuid=aa33b736-1a00-0000-a290-87824e070000 pid=1870 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=aa33b736-1a00-0000-a290-87824e070000 pid=1870->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=18f18f38-1a00-0000-a290-87824f070000 pid=1871 /tmp/sample.bin dns net send-data zombie guuid=aa33b736-1a00-0000-a290-87824e070000 pid=1870->guuid=18f18f38-1a00-0000-a290-87824f070000 pid=1871 clone 57c30137-1d4b-557c-bde7-39f1413b619b 185.196.41.201:35342 guuid=18f18f38-1a00-0000-a290-87824f070000 pid=1871->57c30137-1d4b-557c-bde7-39f1413b619b send: 2B 110bde38-bfc1-5ad0-be72-0de631caf90c 51.77.149.139:53 guuid=18f18f38-1a00-0000-a290-87824f070000 pid=1871->110bde38-bfc1-5ad0-be72-0de631caf90c send: 265B
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-12 01:48:42 UTC
File Type:
ELF64 Little (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Unexpected DNS network traffic destination
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
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:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 8bf58a0e93c7bf558d7edf84f24a6e690fc8cfb0e48b2bab4060240606c61c8d

(this sample)

  
Delivery method
Distributed via web download

Comments