MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3b21a61d2524a83bbc2ca25f5745ba8a40cb30bf605f02f7c5b122b35a3de31. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments

SHA256 hash: f3b21a61d2524a83bbc2ca25f5745ba8a40cb30bf605f02f7c5b122b35a3de31
SHA3-384 hash: e7c7bbcebf79c02820402fec32e94e1cdfe17b5ec633b4d0091abd2054652d4a42af7ddd32fa45e8ab18983aaf4b8c62
SHA1 hash: b5bd965810900cb05e1edb9ea0f5afc973ea7778
MD5 hash: f4436f7f9f5b5408e99f42bb696cdf2d
humanhash: kitten-two-eighteen-island
File name:na
Download: download sample
Signature Mirai
File size:142'080 bytes
First seen:2026-02-25 20:39:57 UTC
Last seen:2026-02-25 21:32:14 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:7D0ownSrawpb01GEy8ojm4GYk3c2QR5dOYVlT:7xwSuw2dokGR5dOilT
TLSH T145D3D094F0809A73C3D522BAF74A264873631768D7EA3305A9258E3077D7A6B4F36D12
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 :
2
# of downloads :
63
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Receives data from a server
Creating a file
Runs as daemon
Creating a process from a recently created file
DNS request
Traces processes
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
130.12.180.124/fit075kmyvo3/assets/js
Number of open files:
310
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Anti-Debugging
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-02-25 16:45:12 UTC
File Type:
ELF32 Little (SO)
AV detection:
4 of 36 (11.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
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
Deletes Audit logs
Deletes journal logs
Traces itself
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_arm_mips_ko_so

File information


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

Web download

Mirai

elf f3b21a61d2524a83bbc2ca25f5745ba8a40cb30bf605f02f7c5b122b35a3de31

(this sample)

  
Delivery method
Distributed via web download

Comments