MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ca57b3e1df5e012ba97a8a75ec2dc6c3ff62c43dd597e57b1168335ca1a9c55. 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 3 File information Comments

SHA256 hash: 1ca57b3e1df5e012ba97a8a75ec2dc6c3ff62c43dd597e57b1168335ca1a9c55
SHA3-384 hash: 5e0e9d95208c634ae141b2a2e8b2e98c0692e3b30fff0ca178f16c237979558d93eb8c51a4154d305b10c997348239ca
SHA1 hash: 1fd555c86b3650be4eddc88e62e87f18569d6928
MD5 hash: cb6a59f984c3837ff1664704ca2e22db
humanhash: undress-autumn-asparagus-arizona
File name:Space.mips
Download: download sample
Signature Mirai
File size:38'076 bytes
First seen:2026-04-19 06:00:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:cgN29x3ZpzZ5VjNuvtE54Fe7GbxBDbYsPs4P59BihJgGlzDpbuR1Jb:q9xJZZNKNFjBfRUM1izVJux
TLSH T19303E13C4A0904F4D97AC17BE2ED47A0B136075D1541CE562260F6A7EA0E8EC78E6BEC
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika unknown
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :38'076 bytes
File size (de-compressed) :101'188 bytes
Format:linux/mips
Unpacked file: aa159636f2a5db68b5c8d33072d0ac243e3178d21c8bb09c5ddbaed0b8f09beb

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Sends data to a server
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-04-19T02:37:00Z UTC
Last seen:
2026-04-20T12:09:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=7183f01c-1e00-0000-1a6e-2ae87b0a0000 pid=2683 /usr/bin/sudo guuid=9ffe3620-1e00-0000-1a6e-2ae8820a0000 pid=2690 /tmp/sample.bin guuid=7183f01c-1e00-0000-1a6e-2ae87b0a0000 pid=2683->guuid=9ffe3620-1e00-0000-1a6e-2ae8820a0000 pid=2690 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-19 06:02:49 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 1ca57b3e1df5e012ba97a8a75ec2dc6c3ff62c43dd597e57b1168335ca1a9c55

(this sample)

  
Delivery method
Distributed via web download

Comments