MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1a8a0b308a070deaadc76f04c2f371eeb7820d5effdad16a616c27e112cbbc01. 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: | 1a8a0b308a070deaadc76f04c2f371eeb7820d5effdad16a616c27e112cbbc01 |
|---|---|
| SHA3-384 hash: | 7a123a428479e87f6b8f432d9621672865704ed8907d2811a9ab54f1d82833b4f37d4f2704a3eb8f0bc43fbc5230d2fa |
| SHA1 hash: | 399fb273eecb3c6bcb6f84c6f761c28a996fdbd2 |
| MD5 hash: | 140ce7dced50853a6f832a893abc416f |
| humanhash: | september-pip-wisconsin-pip |
| File name: | arm7 |
| Download: | download sample |
| Signature | Mirai |
| File size: | 66'032 bytes |
| First seen: | 2026-09-22 16:43:32 UTC |
| Last seen: | 2026-09-23 05:53:30 UTC |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 1536:GIlmkFk2m0t+uz3f1LvEIF4X+EtXhZBa54Z:tmkFU0t+I3tLvEIGXhrae |
| TLSH | T18C5301F0502195BEF500C0B690612D8AA38B6B75B0FD7AB61AF987647326BD78636C03 |
| 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 |
UPX packed
This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.
| File size (compressed) : | 66'032 bytes |
|---|---|
| File size (de-compressed) : | 153'100 bytes |
| Format: | linux/arm |
| Unpacked file: | 0f21c8e25977de855b729ddcf698c9e96ec8bad7e554f644e966698fcc854670 |
Intelligence
File Origin
# of uploads :
2
# of downloads :
76
Origin country :
DEVendor Threat Intelligence
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
Connection attempt
Changes access rights for a written file
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
Writes files to system subdirectory
Writes files to system directory
Performs a bruteforce attack in the network
Creates or modifies files to set up autorun
Deleting of the original file
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:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
181
Number of processes launched:
152
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-22T14:22:00Z UTC
Last seen:
2026-09-22T14:40:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Verdict:
Suspicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-09-22 16:44:17 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 persistence privilege_escalation upx
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
System Network Configuration Discovery
Creates a desktop entry file
Modifies Bash startup script
UPX packed file
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 (15097) 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:
0.00
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: | ELF_IoT_DVR_Botnet_Hama_UPX |
|---|---|
| Author: | Serhii Kocherhan |
| Description: | Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code |
| Rule name: | linux_generic_ipv6_catcher |
|---|---|
| Author: | @_lubiedo |
| Description: | ELF samples using IPv6 addresses |
| 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
Delivery method
Distributed via web download
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