MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b334add1ac0b1d2206c14b9197f954c4b4b43a34a2bc9e4d11368de4f49d7a1. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 3b334add1ac0b1d2206c14b9197f954c4b4b43a34a2bc9e4d11368de4f49d7a1
SHA3-384 hash: ff5a57774b3a1ebe562c5c7e57db5bf71f1a7e8dfddadee5bfe8757f8cf6527abf7969d8661151dd818fbafd16b83865
SHA1 hash: 52dd15517684a63dec6353afb421d37860ba6ce6
MD5 hash: fc7e00a30afe097d312861dec58e4160
humanhash: chicken-hot-paris-alpha
File name:micro.x86
Download: download sample
Signature Mirai
File size:44'812 bytes
First seen:2026-05-27 11:19:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:jBG4QZVo8v3ztmC5gaNYDsLhFwbQWsjtHITSnSNM43tbfJnbcuyD7UGQRj3:jE4QQ8v3wCTNY2hF7tHW2etzJnouy8Go
TLSH T17B13F1376DE2C79DD0BC12B500ED5FDE486CE10644AC86A6EC48C9DBDC05B2C5E76389
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 UPX
File size (compressed) :44'812 bytes
File size (de-compressed) :106'920 bytes
Format:linux/i386
Unpacked file: b8b2608503deb361648c7a3b0ff4fcb29f5f72ce22fbc6f28b8e074ffc6b943f

Intelligence


File Origin
# of uploads :
1
# of downloads :
39
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Sends data to a server
Receives data from a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-27T10:56:00Z UTC
Last seen:
2026-05-27T11:59:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=c0f3ecd5-1f00-0000-7734-23eb920a0000 pid=2706 /usr/bin/sudo guuid=530172d8-1f00-0000-7734-23eb980a0000 pid=2712 /tmp/sample.bin net guuid=c0f3ecd5-1f00-0000-7734-23eb920a0000 pid=2706->guuid=530172d8-1f00-0000-7734-23eb980a0000 pid=2712 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=530172d8-1f00-0000-7734-23eb980a0000 pid=2712->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=8aa63ad9-1f00-0000-7734-23eb9b0a0000 pid=2715 /tmp/sample.bin guuid=530172d8-1f00-0000-7734-23eb980a0000 pid=2712->guuid=8aa63ad9-1f00-0000-7734-23eb9b0a0000 pid=2715 clone guuid=26d244d9-1f00-0000-7734-23eb9c0a0000 pid=2716 /tmp/sample.bin net send-data zombie guuid=530172d8-1f00-0000-7734-23eb980a0000 pid=2712->guuid=26d244d9-1f00-0000-7734-23eb9c0a0000 pid=2716 clone guuid=26d244d9-1f00-0000-7734-23eb9c0a0000 pid=2716->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con a472ec19-88fb-5c11-903c-cb07abb25bcf 176.65.139.46:1337 guuid=26d244d9-1f00-0000-7734-23eb9c0a0000 pid=2716->a472ec19-88fb-5c11-903c-cb07abb25bcf send: 107B guuid=c32e56d9-1f00-0000-7734-23eb9e0a0000 pid=2718 /tmp/sample.bin guuid=26d244d9-1f00-0000-7734-23eb9c0a0000 pid=2716->guuid=c32e56d9-1f00-0000-7734-23eb9e0a0000 pid=2718 clone
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-05-27 11:18:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion linux upx
Behaviour
Writes file to system bin folder
Modifies Watchdog functionality
Family: Mirai
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: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 3b334add1ac0b1d2206c14b9197f954c4b4b43a34a2bc9e4d11368de4f49d7a1

(this sample)

  
Delivery method
Distributed via web download

Comments