MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1939cf1d802e9f819b996dc3fbd5b5c3eb30921a449cc6d7ae7bc7461c7c61c. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: f1939cf1d802e9f819b996dc3fbd5b5c3eb30921a449cc6d7ae7bc7461c7c61c
SHA3-384 hash: 78740a8a3c351b062b93c6d5f36114959675b2c75ed89abe3571dd593d5951f57822cbe0b0b2065b973569b6661dbd80
SHA1 hash: 99cf8d88ec8603bd3978135df4f5f8a18ce36ce3
MD5 hash: 9cd7eaabbb16d39fddc13b5986903a92
humanhash: shade-kansas-utah-cold
File name:nullnet_load.mips
Download: download sample
Signature Mirai
File size:105'376 bytes
First seen:2026-02-16 08:08:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:nFAoUgB00aLmv7pibxxIm1IjdnD1KFcT6PHDz6aNoXfyaHwMj:FLUgBF3pibgm1IdnRipPHDz6aNoXv5j
TLSH T154A3820E7E319F7DFBAC823847B79A219209339666E1C588D19CED025E7434E341FBA5
telfhash t1b201815c493c03f097850d9e6becff72e49180eb9a266e33cd50e966aa246424d00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
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
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
2323,37215,23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 91.92.242.240:1420
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=8b5d16e5-1600-0000-e2e1-db3be50e0000 pid=3813 /usr/bin/sudo guuid=8f733de7-1600-0000-e2e1-db3bed0e0000 pid=3821 /tmp/sample.bin guuid=8b5d16e5-1600-0000-e2e1-db3be50e0000 pid=3813->guuid=8f733de7-1600-0000-e2e1-db3bed0e0000 pid=3821 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-02-16 08:10:28 UTC
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:ecchi credential_access defense_evasion discovery upx
Behaviour
System Network Configuration Discovery
Changes its process name
Reads process memory
Modifies Watchdog functionality
Contacts a large (58390) amount of remote hosts
Creates a large amount of network flows
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
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 f1939cf1d802e9f819b996dc3fbd5b5c3eb30921a449cc6d7ae7bc7461c7c61c

(this sample)

  
Delivery method
Distributed via web download

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