MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83a7f3594007039ce3df172e73bca5fbba86b7486f27349841d5df9fee6f4b07. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 83a7f3594007039ce3df172e73bca5fbba86b7486f27349841d5df9fee6f4b07
SHA3-384 hash: 36fe0690f1d802c85fab1ce5313c9b9fbceda5874a268070beda8d8f5012e1c17523ab6da513389120c43c487177b0a6
SHA1 hash: 4e822fbe444d5b590b3c86ad49ad2968bc941255
MD5 hash: 511f7933f550b9cca45e7698a838a605
humanhash: green-mountain-coffee-bluebird
File name:x86_64
Download: download sample
Signature Mirai
File size:60'468 bytes
First seen:2026-08-11 01:17:58 UTC
Last seen:2026-08-11 06:48:46 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:pmOLLOv3FK2McKSWtA1uVhMxx88d4xIUbEkNoH/A+ZhuIcK8xr2O75wjT:5LLOv3FK2Mdo3bdyr/NoH/A+Pw2O7U
TLSH T1F34301766BAAD6BDE535C6701B14C268FF18AD0A97441F53CD0D323A8BFE9903304B26
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
File size (compressed) :60'468 bytes
File size (de-compressed) :152'296 bytes
Format:linux/amd64
Unpacked file: 1df747a30c57bc640d7403663cd37d11da3b4bf3917b83a7e5a89fdae81b9fe2

Intelligence


File Origin
# of uploads :
2
# of downloads :
61
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Collects information on the CPU
Substitutes an application name
Status:
terminated
Behavior Graph:
%3 guuid=b622dd05-1a00-0000-11b7-d41f6a070000 pid=1898 /usr/bin/sudo guuid=f1b3150a-1a00-0000-11b7-d41f6d070000 pid=1901 /tmp/sample.bin mprotect-exec guuid=b622dd05-1a00-0000-11b7-d41f6a070000 pid=1898->guuid=f1b3150a-1a00-0000-11b7-d41f6d070000 pid=1901 execve guuid=76605d0b-1a00-0000-11b7-d41f71070000 pid=1905 /tmp/sample.bin zombie guuid=f1b3150a-1a00-0000-11b7-d41f6d070000 pid=1901->guuid=76605d0b-1a00-0000-11b7-d41f71070000 pid=1905 clone guuid=863a6a0b-1a00-0000-11b7-d41f72070000 pid=1906 /tmp/sample.bin zombie guuid=76605d0b-1a00-0000-11b7-d41f71070000 pid=1905->guuid=863a6a0b-1a00-0000-11b7-d41f72070000 pid=1906 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1955530 Sample: x86_64.elf Startdate: 11/08/2026 Architecture: LINUX Score: 60 13 Malicious sample detected (through community Yara rule) 2->13 15 Multi AV Scanner detection for submitted file 2->15 17 Sample is packed with UPX 2->17 7 x86_64.elf 2->7         started        process3 process4 9 x86_64.elf 7->9         started        process5 11 x86_64.elf 9->11         started       
Threat name:
Linux.Trojan.FlyLegitBot
Status:
Malicious
First seen:
2026-08-11 01:18:37 UTC
File Type:
ELF64 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
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
Checks hardware identifiers (DMI)
Deletes log files
Disables SELinux
Enumerates running processes
Indicator Removal: Clear Command History
Deletes itself
Deletes system logs
Disables AppArmor Mandatory Access Control
Flushes firewall rules
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

Mirai

elf 83a7f3594007039ce3df172e73bca5fbba86b7486f27349841d5df9fee6f4b07

(this sample)

  
Delivery method
Distributed via web download

Comments