MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a49b591ae6edc150c43ffb91f8ec1f7cd2ee2cd7ea9be3f43ba16a71995c16ea. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: a49b591ae6edc150c43ffb91f8ec1f7cd2ee2cd7ea9be3f43ba16a71995c16ea
SHA3-384 hash: 4ff4bce9dadde6b5a16ee9c741660d2389c18dadc5298240397783b39e08df17aa6894dea177e945b46e40a31270e665
SHA1 hash: 0c589adc1eca07ce8424bf415874eeae17fa5a9b
MD5 hash: 63aeea16f569c850c6f85347e42584e9
humanhash: undress-undress-october-red
File name:micro.x86
Download: download sample
Signature Mirai
File size:37'896 bytes
First seen:2026-05-09 12:11:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:VV1FCagjC9vRdVOGawJFgxwciZeTMXXoMnmnnbcuyD7UEQRj9:VVeagjCJ1O6nciZ+Munouy8EyJ
TLSH T18503E157E08C523FE025D27618FEA9794861525E8858CFA37DD6285A8936820377CBF3
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) :37'896 bytes
File size (de-compressed) :92'552 bytes
Format:linux/i386
Unpacked file: e2285a3fa04cf14a856116e26b4358d864b7f23d510601037d57a1d96289f2dd

Intelligence


File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Runs as daemon
Connection attempt
Receives data from a server
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
condi gafgyt masquerade mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 217.60.245.90:1337
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-09T09:17:00Z UTC
Last seen:
2026-05-10T12:58:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw
Status:
terminated
Behavior Graph:
%3 guuid=0537c818-1800-0000-dc44-b303ef0b0000 pid=3055 /usr/bin/sudo guuid=9d65f61a-1800-0000-dc44-b303f60b0000 pid=3062 /tmp/sample.bin net guuid=0537c818-1800-0000-dc44-b303ef0b0000 pid=3055->guuid=9d65f61a-1800-0000-dc44-b303f60b0000 pid=3062 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=9d65f61a-1800-0000-dc44-b303f60b0000 pid=3062->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a542a21b-1800-0000-dc44-b303fa0b0000 pid=3066 /tmp/sample.bin guuid=9d65f61a-1800-0000-dc44-b303f60b0000 pid=3062->guuid=a542a21b-1800-0000-dc44-b303fa0b0000 pid=3066 clone guuid=5567a71b-1800-0000-dc44-b303fb0b0000 pid=3067 /tmp/sample.bin guuid=9d65f61a-1800-0000-dc44-b303f60b0000 pid=3062->guuid=5567a71b-1800-0000-dc44-b303fb0b0000 pid=3067 clone guuid=fb23ad1b-1800-0000-dc44-b303fc0b0000 pid=3068 /tmp/sample.bin net send-data zombie guuid=9d65f61a-1800-0000-dc44-b303f60b0000 pid=3062->guuid=fb23ad1b-1800-0000-dc44-b303fc0b0000 pid=3068 clone guuid=fb23ad1b-1800-0000-dc44-b303fc0b0000 pid=3068->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con e4cf4dad-43ac-56b2-a3e8-af6dd97be435 217.60.245.90:1337 guuid=fb23ad1b-1800-0000-dc44-b303fc0b0000 pid=3068->e4cf4dad-43ac-56b2-a3e8-af6dd97be435 send: 145B
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-05-09 12:12:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
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 a49b591ae6edc150c43ffb91f8ec1f7cd2ee2cd7ea9be3f43ba16a71995c16ea

(this sample)

  
Delivery method
Distributed via web download

Comments