MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e40c3673eb3de0778a8a5f9827c4ac53502db150e03a1f35c243d0cfb0bf6e38. 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


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: e40c3673eb3de0778a8a5f9827c4ac53502db150e03a1f35c243d0cfb0bf6e38
SHA3-384 hash: eb72076c6bf356e7dfc2af435a6bda0cc0185c2ad1dd35e00831908955f09ff37849eb5667b9b4635538e00ea9323565
SHA1 hash: cc30d8b4ef7236b6fc89f2f74cd8c7a7cd77e654
MD5 hash: ad9a3665128c7497a21703d836abf23a
humanhash: vermont-tennessee-juliet-sink
File name:mipsel
Download: download sample
Signature Mirai
File size:157'748 bytes
First seen:2025-12-23 01:44:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:YfhsDqI7FeRlGcHro8MUQ/fNZXXTHr7dNg3bnzdH:YfhsDXeRlGcH0VUUlZXXTL03/d
TLSH T120F3080ABF601EFBE86FDD3706A9070524DC651722A83B793634D928FA4A54F49E3C74
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 :
61
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-22T21:23:00Z UTC
Last seen:
2025-12-23T02:03:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.gen HEUR:Backdoor.Linux.Mirai.cs HEUR:Backdoor.Linux.Gafgyt.dt
Status:
terminated
Behavior Graph:
%3 guuid=1489fabb-1600-0000-02ac-2326d30e0000 pid=3795 /usr/bin/sudo guuid=c71ee8bd-1600-0000-02ac-2326e00e0000 pid=3808 /tmp/sample.bin guuid=1489fabb-1600-0000-02ac-2326d30e0000 pid=3795->guuid=c71ee8bd-1600-0000-02ac-2326e00e0000 pid=3808 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Uses STUN server to do NAT traversial
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838010 Sample: mipsel.elf Startdate: 23/12/2025 Architecture: LINUX Score: 80 22 stun.l.google.com 2->22 24 149.23.169.235, 23 ZEBRA-TECHNOLOGIES-BGP-AS-NUMBERUS United States 2->24 26 100 other IPs or domains 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 34 Yara detected Mirai 2->34 7 mipsel.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 36 Uses STUN server to do NAT traversial 22->36 process4 process5 15 mipsel.elf 7->15         started        18 mipsel.elf 7->18         started        20 mipsel.elf 7->20         started        signatures6 38 Sample tries to kill multiple processes (SIGKILL) 15->38
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-23 00:19:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads process memory
Enumerates running processes
Contacts a large (37633) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
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: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 e40c3673eb3de0778a8a5f9827c4ac53502db150e03a1f35c243d0cfb0bf6e38

(this sample)

  
Delivery method
Distributed via web download

Comments