MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbd3f0376a827e88ee4a883f4f8aa761a00fa7679d760ed1efa2961bd1be925a. 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 3 File information Comments

SHA256 hash: fbd3f0376a827e88ee4a883f4f8aa761a00fa7679d760ed1efa2961bd1be925a
SHA3-384 hash: 774503fd7fa9546bbbe8b30d5bec0748e55fbc62c90b820050702580c093f7d4b53183fac3781060d78c91e277b90ff9
SHA1 hash: 48c78dfd81030640c6809a62fc5d78e07816dc07
MD5 hash: 3a3dc5ad648ef791a605449a1c7cb3f7
humanhash: washington-bacon-hawaii-island
File name:zero.x86
Download: download sample
Signature Mirai
File size:55'308 bytes
First seen:2026-06-09 08:24:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:XMDLe+hAb9rJJ9VoNueek7FmB5ZZLEAbdW34crz:FRrJbVoNE6AI9z
TLSH T161430141D1233278DBBDA437CD0F0028FB2D744D65AB074B014D2B6E5CBA6826F62EA9
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) :55'308 bytes
File size (de-compressed) :151'448 bytes
Format:linux/amd64
Unpacked file: 173347e51e0be68c4738dd200fef0e10fdc16ae7f020f786f40c3cf844f732f0

Intelligence


File Origin
# of uploads :
1
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Connection attempt
Sends data to a server
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-06-09T05:34:00Z UTC
Last seen:
2026-06-09T07:33:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw
Status:
terminated
Behavior Graph:
%3 guuid=84f82c69-6000-0000-f9f0-0e07db030000 pid=987 /usr/bin/sudo guuid=45bd196c-6000-0000-f9f0-0e07dc030000 pid=988 /tmp/sample.bin mprotect-exec guuid=84f82c69-6000-0000-f9f0-0e07db030000 pid=987->guuid=45bd196c-6000-0000-f9f0-0e07dc030000 pid=988 execve guuid=76260ecc-6300-0000-f9f0-0e07dd030000 pid=989 /tmp/sample.bin net send-data zombie guuid=45bd196c-6000-0000-f9f0-0e07dc030000 pid=988->guuid=76260ecc-6300-0000-f9f0-0e07dd030000 pid=989 clone 159eafb0-b776-58d8-948c-b06708e2fe06 31.56.209.222:5220 guuid=76260ecc-6300-0000-f9f0-0e07dd030000 pid=989->159eafb0-b776-58d8-948c-b06708e2fe06 send: 2B 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=76260ecc-6300-0000-f9f0-0e07dd030000 pid=989->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=6b211fcc-6300-0000-f9f0-0e07de030000 pid=990 /tmp/sample.bin guuid=76260ecc-6300-0000-f9f0-0e07dd030000 pid=989->guuid=6b211fcc-6300-0000-f9f0-0e07de030000 pid=990 clone
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-06-09 08:25:33 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unstable botnet defense_evasion linux upx
Behaviour
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
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: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 fbd3f0376a827e88ee4a883f4f8aa761a00fa7679d760ed1efa2961bd1be925a

(this sample)

  
Delivery method
Distributed via web download

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