MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c57433aef720643ebcf40d821e81bfcd1591474a72e6ee7c15390c6928a88382. 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: 7
| SHA256 hash: | c57433aef720643ebcf40d821e81bfcd1591474a72e6ee7c15390c6928a88382 |
|---|---|
| SHA3-384 hash: | aa43f1494a2111a2694c7465a900e3f6df40472fa9a2f5de4f71713c7063a25fb6e5409bdecfcd7c1411e6461fa66844 |
| SHA1 hash: | 48c1434c4b428b57e5f15643895575356c8c173d |
| MD5 hash: | 06095553579f5657a5e7cdeafe63e574 |
| humanhash: | october-colorado-mobile-six |
| File name: | x86 |
| Download: | download sample |
| Signature | Mirai |
| File size: | 353'892 bytes |
| First seen: | 2026-08-28 19:07:11 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-sharedlib |
| ssdeep | 6144:qMitcZS+us9+upjWzSWaN4nOtzPlK/+drfa9N9:q1mS+WupM4tzPlK/+Jfa9N9 |
| TLSH | T195741988D2E3E2FEF155D97012257A1B5D3246373093F28AF39DBA7392B614045EEA34 |
| telfhash | t11861c8048fca24bcfbd3a9905af6507556ae63cef7155a104358bdbb3e53a81a42fc03 |
| 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 |  BlinkzSec |
| Tags: | mirai |
Intelligence
File Origin
# of uploads :
1
# of downloads :
62
Origin country :
USVendor Threat Intelligence
No detections
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Creates or modifies symbolic links
Opens a port
Launching a process
Sets a written file as executable
Sends data to a server
Runs as daemon
Kills processes
Collects information on the CPU
Creating a file in the %temp% subdirectories
Creates directories
Connection attempt
Changes access rights for a written file
Creating a file in the %temp% directory
Manages services
DNS request
Receives data from a server
Changes the time when the file was created, accessed, or modified
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Traces processes
Writes files to system directory
Creates or modifies files to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
0/10
Confidence:
100%
Tags:
base64 rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-28T17:13:00Z UTC
Last seen:
2026-08-30T02:09:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Verdict:
Suspicious
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Exploit.DirtyFrag
Status:
Malicious
First seen:
2026-08-28 19:06:58 UTC
File Type:
ELF32 Little (SO)
AV detection:
10 of 24 (41.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Writes file to shm directory
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Creates a desktop entry file
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Deletes log files
Modifies init.d
Modifies rc script
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Executes dropped EXE
Modifies Watchdog functionality
Traces itself
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
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: | 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: | EXPL_HKTL_LNX_DirtyFragShellcode_May26 |
|---|---|
| Author: | Pezier Pierre-Henri (Nextron Systems) |
| Description: | Detects a shellcode observed in dirtyfrag, a local privilege escalation exploit for Linux. |
| Reference: | https://github.com/V4bel/dirtyfrag/tree/master |
| Rule name: | EXPL_LNX_DirtyFrag_ForensicArtefacts_May26 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects DirtyFrag exploit code POC usage in Linux environments |
| Reference: | https://github.com/V4bel/dirtyfrag/tree/master |
| 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: | NSVPS_Hydra_SSH_Bruteforce |
|---|---|
| Author: | sanad (NSVPS-SOC) |
| Description: | Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot |
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | setsockopt |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Hunts for setsockopt() red flags |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| 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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