MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 856ef6d79a755ff4b3fbd6df620951b35cc3b398f95338ff5974dc26749d6cec. 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 9 File information Comments

SHA256 hash: 856ef6d79a755ff4b3fbd6df620951b35cc3b398f95338ff5974dc26749d6cec
SHA3-384 hash: 12e442f2864a735f9d5c10a9b248531a5e88a05b3f02b0b68a73045fa97fd254146d0a698946849e1512d30e018e40d3
SHA1 hash: 883430b5739928e78809b989fc1e243fa0d21ab6
MD5 hash: ac907762f7332b1052b95e3f886e5a5e
humanhash: missouri-six-tango-sad
File name:efaa9e
Download: download sample
Signature Mirai
File size:47'168 bytes
First seen:2026-08-06 08:14:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:x532HdlHCvJeO4N15N1mbKi3QONW2+8BWMxUUje1UYTdsH/+SYV:XuCcO4N15NmKi3QO02+8BWAe1UYJgY
TLSH T1DF230813B98584FCC09AC2300F7AB93ED532757D1239B2A97BD4FF166986E324E1D644
telfhash t1fd01c8a22d5d0ed0e1f3fa12bba1e16419601e5440e175e395f06cf99a927834a7847b
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 :
79
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Substitutes an application name
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-08-04T05:57:00Z UTC
Last seen:
2026-08-04T07:24:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=6f0e62ab-1900-0000-0d35-bb438c070000 pid=1932 /usr/bin/sudo guuid=07dbe8ad-1900-0000-0d35-bb4392070000 pid=1938 /tmp/sample.bin net guuid=6f0e62ab-1900-0000-0d35-bb438c070000 pid=1932->guuid=07dbe8ad-1900-0000-0d35-bb4392070000 pid=1938 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=07dbe8ad-1900-0000-0d35-bb4392070000 pid=1938->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=9bce1bae-1900-0000-0d35-bb4393070000 pid=1939 /tmp/sample.bin dns net send-data zombie guuid=07dbe8ad-1900-0000-0d35-bb4392070000 pid=1938->guuid=9bce1bae-1900-0000-0d35-bb4393070000 pid=1939 clone guuid=9bce1bae-1900-0000-0d35-bb4393070000 pid=1939->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=9bce1bae-1900-0000-0d35-bb4393070000 pid=1939->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 25B fae836b1-8cb8-5394-9145-fd2e0bc0239a m4ch.ru:8080 guuid=9bce1bae-1900-0000-0d35-bb4393070000 pid=1939->fae836b1-8cb8-5394-9145-fd2e0bc0239a send: 7B guuid=6ee62bae-1900-0000-0d35-bb4394070000 pid=1940 /tmp/sample.bin dns net send-data guuid=9bce1bae-1900-0000-0d35-bb4393070000 pid=1939->guuid=6ee62bae-1900-0000-0d35-bb4394070000 pid=1940 clone guuid=00cf2eae-1900-0000-0d35-bb4395070000 pid=1941 /tmp/sample.bin guuid=9bce1bae-1900-0000-0d35-bb4393070000 pid=1939->guuid=00cf2eae-1900-0000-0d35-bb4395070000 pid=1941 clone guuid=6ee62bae-1900-0000-0d35-bb4394070000 pid=1940->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=6ee62bae-1900-0000-0d35-bb4394070000 pid=1940->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 25B guuid=6ee62bae-1900-0000-0d35-bb4394070000 pid=1940->fae836b1-8cb8-5394-9145-fd2e0bc0239a send: 7B guuid=0d642075-2400-0000-0d35-bb4320140000 pid=5152 /tmp/sample.bin guuid=6ee62bae-1900-0000-0d35-bb4394070000 pid=1940->guuid=0d642075-2400-0000-0d35-bb4320140000 pid=5152 clone
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-04 16:10:39 UTC
File Type:
ELF64 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Malware Config
C2 Extraction:
m4ch.ru
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_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_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/

File information


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

Web download

Mirai

elf 856ef6d79a755ff4b3fbd6df620951b35cc3b398f95338ff5974dc26749d6cec

(this sample)

  
Delivery method
Distributed via web download

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