MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 66190998e6606df3b635ef7e4e1905f44a869bcce0458325abeb9f05cd02aed5. 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: 6
| SHA256 hash: | 66190998e6606df3b635ef7e4e1905f44a869bcce0458325abeb9f05cd02aed5 |
|---|---|
| SHA3-384 hash: | 21a99e3b617f7a71c79fbbfd2fe6e9eb24a573f4a25d170a5ed3409a6c291b3807935bc550356e2751a0e7d7018c10b1 |
| SHA1 hash: | d2fb2dfd6a76bfa1f59bc3ea0f14f04a99335de4 |
| MD5 hash: | e11cfb61dea8d0f073b75a88baba11b7 |
| humanhash: | winner-purple-neptune-jupiter |
| File name: | 3 |
| Download: | download sample |
| Signature | Mirai |
| File size: | 611'686 bytes |
| First seen: | 2026-10-20 04:26:31 UTC |
| Last seen: | 2026-10-20 22:56:58 UTC |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 12288:yau8R1tGebPyLPQVFLymAwQlA0f+fnwjz/CzeZtIufgMdngpZ4J2p5:lu8RtmQVFGm7UfkKZtCw27 |
| TLSH | T1E1D4E195F3472F46C4D7E53A948AC652475AE85B33F383093E43A6BA346D3728F28349 |
| Magika | elf |
| Reporter |  abuse_ch |
| Tags: | elf mirai |
Intelligence
File Origin
# of uploads :
2
# of downloads :
78
Origin country :
DEVendor Threat Intelligence
No detections
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Kills processes
Connection attempt
Creating a file
Locks files
Deletes a file
Creating a process from a recently created file
Unmounts file systems
Launching a process
Sets a written file as executable
Runs as daemon
Manages services
Deleting a recently created file
Writes files to system directory
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-20T02:01:00Z UTC
Last seen:
2026-10-20T02:16:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Verdict:
Unknown
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-10-20 04:27:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 24 (33.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
defense_evasion discovery persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Reads CPU attributes
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Reads MAC address of network interface
Reads hardware information
Removes the immutable protection flag from a file
Write file to user bin folder
Deletes itself
Executes dropped EXE
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | deepfield_boatnet_botnet |
|---|---|
| Author: | Nokia Deepfield ERT |
| Description: | Boatnet Linux DDoS bot with bundled XMRig miner - Polygon contract dead-drop, AES-128-GCM C2 list |
| Reference: | 117a7ca405f65e3bc770fac74903e490011c35e65e1c359e8bea546841919da3 |
| Rule name: | ELF_Packer_Dropper_Fileless_Armhf |
|---|---|
| Author: | Serhii Kocherhan |
| Description: | Detects obfuscated Linux ELF packers/droppers featuring ChaCha20/RC4 decryption, memfd_create/execveat fileless execution capabilities, and unique binary artifacts. |
| Rule name: | enterpriseapps2 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Enterprise apps |
| Rule name: | F01_s1ckrule |
|---|---|
| Author: | s1ckb017 |
| Rule name: | linux_generic_ipv6_catcher |
|---|---|
| Author: | @_lubiedo |
| Description: | ELF samples using IPv6 addresses |
| Rule name: | malwareelf55503 |
|---|
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | MIRAI_OHSHIT_payload |
|---|---|
| Author: | AfterPacket |
| Description: | MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures |
| Reference: | https://github.com/Afterpacket/drosera-threat-intel |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| 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: | 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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