MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7874fcdc59a49b59c7df4f16b13bc73ba735def4c083f45494ee2862ec5842af. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 7874fcdc59a49b59c7df4f16b13bc73ba735def4c083f45494ee2862ec5842af
SHA3-384 hash: e2d31231889efe0c20c16dce59f9c959672b3178b828d83239cfba5c861ca1f08cc37e945c8d25692419b15c34db313c
SHA1 hash: 2b7bb438e0b8ea613c9c74545c32717a1851614d
MD5 hash: 83353546733a51dc01589df4129070fa
humanhash: beer-earth-hawaii-jersey
File name:fentdotsk
Download: download sample
Signature Mirai
File size:114'320 bytes
First seen:2026-01-10 13:25:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:HKDhYcmrxxsedwminGpJmqMwkSsQUZ3KQXVShFVjgzv40:HKKLrxNdFFMwhsQU/22v40
TLSH T1CAB3F705BB610FF7DC6BDD3B0AAA0B0525DD680722B47B3A7634C82CB54B25B1AD3D64
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 :
102
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
Receives data from a server
Kills processes
Sends data to a server
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-10T11:41:00Z UTC
Last seen:
2026-01-10T16:03:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=e518e0db-1900-0000-b65f-1217e7080000 pid=2279 /usr/bin/sudo guuid=5a1968de-1900-0000-b65f-1217e8080000 pid=2280 /tmp/sample.bin guuid=e518e0db-1900-0000-b65f-1217e7080000 pid=2279->guuid=5a1968de-1900-0000-b65f-1217e8080000 pid=2280 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847934 Sample: fentdotsk.elf Startdate: 10/01/2026 Architecture: LINUX Score: 64 23 87.121.112.123, 44848, 44850, 666 NETERRA-ASBG Bulgaria 2->23 25 daisy.ubuntu.com 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 8 fentdotsk.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 fentdotsk.elf 8->12         started        15 fentdotsk.elf 8->15         started        17 fentdotsk.elf 8->17         started        19 fentdotsk.elf 8->19         started        signatures6 31 Manipulation of devices in /dev 12->31 33 Deletes system log files 12->33 21 fentdotsk.elf 15->21         started        process7
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-10 13:10:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:josho credential_access defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
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:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 7874fcdc59a49b59c7df4f16b13bc73ba735def4c083f45494ee2862ec5842af

(this sample)

  
Delivery method
Distributed via web download

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