MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b911fc04045e1ef42d78e2e078d0ab89f82dd83a6dfce2c285f353f7278fe2f7. 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: 5


Intelligence 5 IOCs YARA 13 File information Comments

SHA256 hash: b911fc04045e1ef42d78e2e078d0ab89f82dd83a6dfce2c285f353f7278fe2f7
SHA3-384 hash: 0f6a038a47ddb65c7d998775c545b5869c0eff738d7cf604342bf736737ae0d90a8e9eb97f214fd47bd3f5141e8aca1d
SHA1 hash: 5aa333e582db080da50c1c5c6f3f821fae7c0038
MD5 hash: aedb3e7b5811aaf4a016ec9c71101d03
humanhash: timing-texas-massachusetts-kansas
File name:sh4eb
Download: download sample
Signature Mirai
File size:390'516 bytes
First seen:2026-08-10 05:32:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:wa6wyU19k86KiFcc3IuzK+rb+Bgn1/t/VrSu+WveNUtA:wwO8HiFcc443F/t/V7vcUtA
TLSH T1E5845B8452F1F2DEE298EE7463117E265C620E3730C77186719EF6B312A72445AEDEB0
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
base64 expand gcc lolbin
Status:
terminated
Behavior Graph:
%3 guuid=2930a9b3-1a00-0000-f0b8-d2e84f090000 pid=2383 /usr/bin/sudo guuid=a6ea99b5-1a00-0000-f0b8-d2e850090000 pid=2384 /tmp/sample.bin guuid=2930a9b3-1a00-0000-f0b8-d2e84f090000 pid=2383->guuid=a6ea99b5-1a00-0000-f0b8-d2e850090000 pid=2384 execve
Result
Threat name:
DirtyFrag, Mirai
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected DirtyFrag
Yara detected Mirai
Behaviour
Behavior Graph:
Gathering data
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:EXPL_HKTL_LNX_DirtyFragShellcode_May26
Author:Pezier Pierre-Henri (Nextron Systems)
Description:Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux.
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:EXPL_LNX_DirtyFrag_ForensicArtefacts_May26
Author:Florian Roth
Description:Detects DirtyFrag exploit code POC usage in Linux environments
Reference:https://github.com/V4bel/dirtyfrag/tree/master
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:linux_generic_ipv6_variants_catcher
Author:@_lubiedo
Description:Find IPv6 capable malware for a set of IoT variants
Rule name:linux_generic_irc_catcher
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

File information


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

Web download

Mirai

elf b911fc04045e1ef42d78e2e078d0ab89f82dd83a6dfce2c285f353f7278fe2f7

(this sample)

  
Delivery method
Distributed via web download

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