MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a9858b701c2e4f9a92b8d5597bcdedf4df8e4547bb6532f1bc49db0346026802. 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: | a9858b701c2e4f9a92b8d5597bcdedf4df8e4547bb6532f1bc49db0346026802 |
|---|---|
| SHA3-384 hash: | 5a61447bf31aeb32c80f6dfd6c13839c897b1158b3beeb506d4a81fa852bedb456b23d466c00c62766d43421f8c19c30 |
| SHA1 hash: | d12303675eb3245bdf0c12f3763c2bda14943708 |
| MD5 hash: | 8a89b4d4b0d2da18471a76847aafaa9f |
| humanhash: | december-arkansas-foxtrot-alaska |
| File name: | x86 |
| Download: | download sample |
| Signature | Mirai |
| File size: | 104'640 bytes |
| First seen: | 2026-09-22 05:19:32 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 3072:6i/TyWoBIJaUcVIlYRE5ieYJ2AAxJt3TFVdd:6i/T2BIJasnHxJt3P |
| TLSH | T158A37CC6F783D0F2FC5200B81137A7359A36E9361035FE46DB74AA3AAC61952B61735C |
| telfhash | t1f94167f9b97d0ce4a7d09801f24e5f316d1ce73b242035a609f3093136a398252bbd39 |
| 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 upx-dec |
abuse_ch
UPX decompressed file, sourced from SHA256 e5cd62238a923c15fe2fe0c73c17fc73e42b4f9bb778bfffd82f6c234c40e9b5UPX unpacked
This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.
| File size (compressed) : | 51'944 bytes |
|---|---|
| File size (de-compressed) : | 104'640 bytes |
| Format: | linux/i386 |
| Packed file: | e5cd62238a923c15fe2fe0c73c17fc73e42b4f9bb778bfffd82f6c234c40e9b5 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
66
Origin country :
NLVendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Behaviour
Connection attempt
Sets a written file as executable
Creates or modifies symbolic links
Receives data from a server
Kills processes
Changes access rights for a written file
Creating a file
Changes the time when the file was created, accessed, or modified
Opens a port
Launching a process
Runs as daemon
Sends data to a server
Creates or modifies files in /cron to set up autorun
Writes files to system directory
Writes files to system subdirectory
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
Performs a bruteforce attack in the network
Deleting of the original file
Verdict:
Unknown
Threat level:
2.5/10
Confidence:
100%
Tags:
obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-22T03:35:00Z UTC
Last seen:
2026-09-23T08:33:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-09-22 05:19:52 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
9/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
System Network Configuration Discovery
Creates a desktop entry file
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
Modifies Watchdog functionality
Modifies the /etc/hosts DNS resolution file
Contacts a large (14351) amount of remote hosts
Creates a large amount of network flows
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: | ELF_IoT_Persistence_Hunt |
|---|---|
| Author: | 4r4 |
| Description: | Hunts for ELF files with persistence and download capabilities |
| Rule name: | ELF_Mirai |
|---|---|
| Author: | NDA0E |
| Description: | Detects multiple Mirai variants |
| Rule name: | ELF_Toriilike_persist |
|---|---|
| Author: | 4r4 |
| Description: | Detects Torii IoT Botnet (stealthier Mirai alternative) |
| Reference: | Identified via researched data |
| Rule name: | Linux_Trojan_Gafgyt_5bf62ce4 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Mirai_389ee3e9 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Mirai_ae9d0fa6 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Mirai_cc93863b |
|---|---|
| Author: | Elastic Security |
| Rule name: | test_rule_vldslv |
|---|
| 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 |
| Rule name: | virustotal |
|---|---|
| Author: | Tracel |
| Rule name: | VPNFilterStage3PluginTor |
|---|
| Rule name: | Web_Generic_Binary_URL_Download |
|---|---|
| Author: | Serhii Kocherhan |
| Description: | Detects files containing HTTP or HTTPS links pointing directly to .bin payload extensions. |
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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