MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 40a5b42adcc97f619cae29155efd3d388a5008df2b84fb7524d444c10d12613b. 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: 9
| SHA256 hash: | 40a5b42adcc97f619cae29155efd3d388a5008df2b84fb7524d444c10d12613b |
|---|---|
| SHA3-384 hash: | 1ef19272a97ae87a0bca6e26fe4ec0ccd7793555d23daa44beb47a2ed944ad14829f0764ee0edde4157954006b490041 |
| SHA1 hash: | dbfc767a1a29700445b2ef8cf4164a09dcbc36e4 |
| MD5 hash: | ad70971135873c75b6799bb665a93d50 |
| humanhash: | kentucky-oscar-connecticut-december |
| File name: | x86_64 |
| Download: | download sample |
| Signature | Mirai |
| File size: | 164'272 bytes |
| First seen: | 2025-08-29 13:40:03 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 3072:NiHwDoimurHSvTjyG+r1U1EbFSE2U9ItOl12lNzLNEU+oE:NiH6jkjZOKEb4Dg+NKoE |
| TLSH | T1E1F35B0675D0D4FDC8D9C2B84BEFE23ADA32B4585134721F23C4AE262E5DF216BAD650 |
| telfhash | t1e8519c353de63a58a0e7e729b30ee959f83109600de270d69d7369f6de027840da3063 |
| 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 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
35
Origin country :
DEVendor Threat Intelligence
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Runs as daemon
Sets a written file as executable
Kills processes
Connection attempt
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
2.5/10
Confidence:
100%
Tags:
threat
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
174
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.64.le
Status:
Failed
Verdict:
Suspicious
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-08-29 13:40:48 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 37 (45.95%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery linux persistence
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies init.d
Deletes itself
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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_AllMal_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication |
| Rule name: | linux_generic_ipv6_catcher |
|---|---|
| Author: | @_lubiedo |
| Description: | ELF samples using IPv6 addresses |
| Rule name: | Linux_Trojan_Gafgyt_0cd591cd |
|---|---|
| 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_a33a8363 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_d0c57a2e |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_d4227dbf |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_d996d335 |
|---|---|
| Author: | Elastic Security |
| 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
Delivery method
Distributed via web download
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