MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d5b8778f9caf3496d596413d15dfeeb1160a98a839914b33eb1c2a7b345475b. 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: 14


Intelligence 14 IOCs YARA 14 File information Comments

SHA256 hash: 4d5b8778f9caf3496d596413d15dfeeb1160a98a839914b33eb1c2a7b345475b
SHA3-384 hash: 661845fd75d87eaf2a7dfbd8da65fa67f560ea9e934ead62b8c25fc440e5741aea3a79c377c06fb66c36bf15ad70923e
SHA1 hash: 3f092bbf715a86185a12a6f950f9ad9088857457
MD5 hash: 4f935c578b8f6d4b11c140e0663752d7
humanhash: hydrogen-ten-violet-ack
File name:FGx8SNCa4txePA.x86_64
Download: download sample
Signature Mirai
File size:85'632 bytes
First seen:2025-11-04 06:06:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:4rEE4BdkD/jhYFfYuCzU8IEdGeeEcDsWRTnsNW29M+iacKYi7PxCrbz:zE4Bdk3KFfxCAPGGPLRTnsNW2liacKrQ
TLSH T1C083290AF98584FDC08AC134177E793AE875B1DD033CB3A7A7E4EF262D4ED601A19949
telfhash t1da1134342ceb255471e797397329e9e898110ab428f238529eb3f8e3cf237800c810da
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 d3f7afaebecd6ae6215918608ff2691f48faa64a146e5aeffd18924a0fdb2db9
File size (compressed) :38'972 bytes
File size (de-compressed) :85'632 bytes
Format:linux/amd64
Packed file: d3f7afaebecd6ae6215918608ff2691f48faa64a146e5aeffd18924a0fdb2db9

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Kills processes
Sends data to a server
Performs a bruteforce attack in the network
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-11-04T03:18:00Z UTC
Last seen:
2025-11-04T04:03:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-04 06:16:02 UTC
File Type:
ELF64 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7136013-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
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:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 4d5b8778f9caf3496d596413d15dfeeb1160a98a839914b33eb1c2a7b345475b

(this sample)

  
Delivery method
Distributed via web download

Comments