MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5bb9a2335169cf8237cfa2e254340d6475788a091dd9be2e3a690e018fcb7ef0. 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: | 5bb9a2335169cf8237cfa2e254340d6475788a091dd9be2e3a690e018fcb7ef0 |
|---|---|
| SHA3-384 hash: | db1582dec3ac7a7fde462346ab8347773c6cf881bd55ceac0574ad2ea785c5514d04c1ffa1228b41e338c9db9d655841 |
| SHA1 hash: | ba9baa6e54699ce7d47030a7dde1691e0bf2063b |
| MD5 hash: | 11c4250a55095c6a6ab09619cd2c49fc |
| humanhash: | apart-pluto-ten-music |
| File name: | i486 |
| Download: | download sample |
| Signature | Mirai |
| File size: | 60'724 bytes |
| First seen: | 2026-08-19 19:56:52 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 1536:LhDrR20D0KBoOyT6N4/EJg9+Duaynouy8Lzkk+:m0D0KBo44sJC+DuaqoutUk+ |
| TLSH | T1B553029BB0F22D70ECB749B90C9E34A98E14C71EE44760D1EED6217FE54A66E43216F0 |
| 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 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) : | 60'724 bytes |
|---|---|
| File size (de-compressed) : | 119'572 bytes |
| Format: | linux/i386 |
| Unpacked file: | 77ea6c1d964d7bf9a1bdb5a7a34b6f707065235554ff7fc58dd2de2def70c53a |
Intelligence
File Origin
# of uploads :
1
# of downloads :
56
Origin country :
DEVendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Sets a file as executable
Runs as daemon
Kills processes
Locks files
Collects information on the CPU
Launching a process
Deletes a file
Connection attempt
Kills critical processes
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
mirai packed packer upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
59
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
Behaviour
Process Renaming
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:
n/a
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
80 / 100
Signature
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 reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Spawns processes using file descriptor names (likely to hide the executable path or fileless malware)
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Trojan.FlyLegitBot
Status:
Malicious
First seen:
2026-08-19 19:57:47 UTC
File Type:
ELF32 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 defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads system network configuration
Checks hardware identifiers (DMI)
Deletes log files
Enumerates active TCP sockets
Enumerates running processes
Deletes Audit logs
Deletes itself
Deletes journal logs
Deletes system logs
Modifies the /etc/hosts DNS resolution file
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
Delivery method
Distributed via web download
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