MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 efaf187fcda9b23e5df60934755d33e0f03981f3826de0b3944f694c40e79d80. 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: 9
| SHA256 hash: | efaf187fcda9b23e5df60934755d33e0f03981f3826de0b3944f694c40e79d80 |
|---|---|
| SHA3-384 hash: | 9c53d284835be4d35b10194dd5eeea6abb9b6e2f8afb9d7d3c6e2bac6761cb8005ca41c140d75478280a48837b8161df |
| SHA1 hash: | c60c805e5330e6217a2acb15faf4565431fa116a |
| MD5 hash: | 8099fedaccf89c21b4b1436a8d4944bd |
| humanhash: | south-july-april-fillet |
| File name: | x86_64 |
| Download: | download sample |
| Signature | Mirai |
| File size: | 227'304 bytes |
| First seen: | 2026-10-18 14:37:08 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-sharedlib |
| ssdeep | 3072:QbFUMAkpElf+XRL9iZhQwHiVJUQ+76nOblN7YL/9hSZIyhLLBYm:iAs59mQwWC76nObcyTY |
| TLSH | T19624D54F62BA65ECCDF9C43462A10779BB72F4C61379A99CDB814DF0AB15500BB2C2D2 |
| 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 :
1
# of downloads :
86
Origin country :
DEVendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Behaviour
Runs as daemon
Creating a file in the %temp% directory
DNS request
Creating a process from a recently created file
Connection attempt
Sets a written file as executable
Opens a port
Creating a file
Receives data from a server
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
gcc
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
132
Number of processes launched:
18
Processes remaning?
true
Remote TCP ports scanned:
23,2323,5555,8443
Full report:
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-10-18T04:49:00Z UTC
Last seen:
2026-10-18T08:53:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Verdict:
Unknown
Threat name:
Linux.Trojan.Generic
Status:
Suspicious
First seen:
2026-10-18 14:37:29 UTC
File Type:
ELF64 Little (SO)
AV detection:
10 of 36 (27.78%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
xmrig_linux
Score:
10/10
Tags:
family:xmrig_linux discovery execution linux miner persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Family: xmrig
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
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_IoT_Persistence_Hunt |
|---|---|
| Author: | 4r4 |
| Description: | Hunts for ELF files with persistence and download capabilities |
| Rule name: | enterpriseapps2 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Enterprise apps |
| Rule name: | golang |
|---|
| Rule name: | LIN_Malware_Unknown_ForgeAuto_0daebbb8 |
|---|---|
| Author: | Marjoriefort |
| Description: | Detects Unknown (elf, etat binaire) |
| Rule name: | MIRAI_TELNETCURL_payload |
|---|---|
| Author: | AfterPacket |
| Description: | Mirai-lineage ELF payload carrying the leaked-source decoy domain |
| Reference: | https://github.com/Afterpacket/drosera-threat-intel |
| Rule name: | NSVPS_Hydra_SSH_Bruteforce |
|---|---|
| Author: | sanad (NSVPS-SOC) |
| Description: | Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot |
| Rule name: | telebot_framework |
|---|---|
| Author: | vietdx.mb |
| Rule name: | testlumma |
|---|
| Rule name: | unixredflags3 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Hunts for UNIX red flags |
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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