MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 631edb65012fe8dff1eb511edc1660fc8cede0bafe531f507cc491654e47fd6f. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 631edb65012fe8dff1eb511edc1660fc8cede0bafe531f507cc491654e47fd6f
SHA3-384 hash: 2ce8897482b44e688b75e61a4f492f35c7ae94329509fb795da3f401fa6baa9bb211c9f1edeeb3bc596d3484359c2f22
SHA1 hash: 0d250e3b3ddda504c8c68c638937bc7a1e19e4e9
MD5 hash: c7e79791d415c7a7f2968dce6c6bf48f
humanhash: ten-alaska-tango-sweet
File name:zero.i486
Download: download sample
Signature Mirai
File size:43'928 bytes
First seen:2026-08-02 00:41:41 UTC
Last seen:2026-08-02 06:59:05 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:XCkO5tOKfhaFFTnUqVcLJCLUD5KG0HOdrLG9FUfAnd4YCbEnbcuyD7UkWykkAe:XRO5tOK0ZnUqCgif0HELG9FUoOJbEnoV
TLSH T1B313E0A3D6FD6E81C56102731E3E1A26AC2AD50E91419CEB7BE0247B20D7B1C7E0598B
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
File size (compressed) :43'928 bytes
File size (de-compressed) :98'948 bytes
Format:linux/i386
Unpacked file: 69e9c7d448f0171c34feb8af04e09d576ab33b105b4c57efbd72aada686401a0

Intelligence


File Origin
# of uploads :
2
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Runs as daemon
Connection attempt
Substitutes an application name
Traces processes
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
2
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-01T22:11:00Z UTC
Last seen:
2026-08-01T22:47:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=e85f9a91-1900-0000-1d03-606ad6060000 pid=1750 /usr/bin/sudo guuid=99f19e94-1900-0000-1d03-606ad9060000 pid=1753 /tmp/sample.bin net guuid=e85f9a91-1900-0000-1d03-606ad6060000 pid=1750->guuid=99f19e94-1900-0000-1d03-606ad9060000 pid=1753 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=99f19e94-1900-0000-1d03-606ad9060000 pid=1753->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=caa5eb95-1900-0000-1d03-606adb060000 pid=1755 /tmp/sample.bin net send-data zombie guuid=99f19e94-1900-0000-1d03-606ad9060000 pid=1753->guuid=caa5eb95-1900-0000-1d03-606adb060000 pid=1755 clone guuid=caa5eb95-1900-0000-1d03-606adb060000 pid=1755->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 00f0070e-ccd8-5e17-bab8-4936b73f6d55 94.154.43.237:31339 guuid=caa5eb95-1900-0000-1d03-606adb060000 pid=1755->00f0070e-ccd8-5e17-bab8-4936b73f6d55 send: 35B guuid=01f62196-1900-0000-1d03-606add060000 pid=1757 /tmp/sample.bin guuid=caa5eb95-1900-0000-1d03-606adb060000 pid=1755->guuid=01f62196-1900-0000-1d03-606add060000 pid=1757 clone guuid=7a992496-1900-0000-1d03-606ade060000 pid=1758 /tmp/sample.bin guuid=caa5eb95-1900-0000-1d03-606adb060000 pid=1755->guuid=7a992496-1900-0000-1d03-606ade060000 pid=1758 clone
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-02 00:42:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Traces itself
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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

Mirai

elf 631edb65012fe8dff1eb511edc1660fc8cede0bafe531f507cc491654e47fd6f

(this sample)

  
Delivery method
Distributed via web download

Comments