MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5d439f6c673ed3649e594d133654b73f9b7ec11a66254a409fb5f47fdceecc55. 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
| SHA256 hash: | 5d439f6c673ed3649e594d133654b73f9b7ec11a66254a409fb5f47fdceecc55 |
|---|---|
| SHA3-384 hash: | 13b3c3d413317b0418c547e73fe6c66c9a0a72be8572e33482825d9238bd62651290db69642b9204c066d21c41b9361a |
| SHA1 hash: | 48f17004a6ff785f72462fbe876ab64af4a4325c |
| MD5 hash: | 682822bb531c87ee4a0196299cce921c |
| humanhash: | alaska-kitten-lemon-artist |
| File name: | x86_64 |
| Download: | download sample |
| Signature | Mirai |
| File size: | 68'284 bytes |
| First seen: | 2026-08-16 15:11:42 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 1536:Tz35X/sc+d5ZTaNHVccCJkrjbHXLpx4r/YPZVc:dkciaBVccCJMH7f4rwxu |
| TLSH | T1DA63F1A2F32EB2BEC63D99B5599C8018ED75FA3204075F9F04CAF999C466050B72334B |
| 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 UPX |
UPX packed
This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.
| File size (compressed) : | 68'284 bytes |
|---|---|
| File size (de-compressed) : | 172'200 bytes |
| Format: | linux/amd64 |
| Unpacked file: | dd026537700c4d942d05e51d0d6192714d29fa517e7ef7ccc566838befa45364 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
72
Origin country :
DEVendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Kills processes
Deletes a file
Locks files
Connection attempt
Launching a process
Runs as daemon
Collects information on the CPU
Deleting a recently created file
Creating a file
Substitutes an application name
Writes files to system directory
Kills critical processes
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
bashlite mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
89
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
Behaviour
Anti-VM
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
Malware family:
Mirai
Verdict:
Malicious
Result
Threat name:
Mirai
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
88 / 100
Signature
Executes the "iptables" command to insert, remove and/or manipulate rules
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Spawns processes using file descriptor names (likely to hide the executable path or fileless malware)
Yara detected Mirai
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Trojan.FlyLegitBot
Status:
Malicious
First seen:
2026-08-16 15:12:30 UTC
File Type:
ELF64 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
antivm discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Checks hardware identifiers (DMI)
Enumerates running processes
Deletes itself
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.26
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: | 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
Delivery method
Distributed via web download
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