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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55bc4f5d8d2867652859a0c0f84c7ad5bc03cba3b7d1a431a49af8353b0cbaeb. 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 5 File information Comments

SHA256 hash: 55bc4f5d8d2867652859a0c0f84c7ad5bc03cba3b7d1a431a49af8353b0cbaeb
SHA3-384 hash: 68ec3bd247eab2c7da1a00c0776f30ffc92f4062573333aa1c71c506eadaaea8a1d6a620073c54f7d7dce48affa9b291
SHA1 hash: 4fba656016839a22f6de33a5154abc7c8f3bd921
MD5 hash: a31e0aad08af158082fd6749b84b6aca
humanhash: helium-artist-ceiling-muppet
File name:system_arm7
Download: download sample
Signature Mirai
File size:55'240 bytes
First seen:2026-08-26 15:45:37 UTC
Last seen:2026-09-03 10:40:31 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:lxoOqo/ktZvNXmzeLIJL5LJMq6ttQeAi/MSQc5j:7pa/XMKsLBGUxq
TLSH T1924302F7831363B197A848B6D42CC247B25722D911BDF6470E48AAD5FB01EB835EB193
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) :55'240 bytes
File size (de-compressed) :138'004 bytes
Format:linux/arm
Unpacked file: 55d64446fee1a777d4a73e1191da0da090e2c85d2b0c661acb8b97f048c5a33e

Intelligence


File Origin
# of uploads :
2
# of downloads :
85
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Collects information on the network activity
Substitutes an application name
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:
2
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
2323,23
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-26T11:45:00Z UTC
Last seen:
2026-08-27T18:44:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=f73bae17-1900-0000-10b3-949f930e0000 pid=3731 /usr/bin/sudo guuid=c004b219-1900-0000-10b3-949f970e0000 pid=3735 /tmp/sample.bin guuid=f73bae17-1900-0000-10b3-949f930e0000 pid=3731->guuid=c004b219-1900-0000-10b3-949f970e0000 pid=3735 execve
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-08-26 15:44:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery upx
Behaviour
Reads runtime system information
Changes its process name
Modifies Watchdog functionality
Contacts a large (75280) 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.

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

Mirai

elf 55bc4f5d8d2867652859a0c0f84c7ad5bc03cba3b7d1a431a49af8353b0cbaeb

(this sample)

  
Delivery method
Distributed via web download

Comments