MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49c5c4e8bc023b35e8147728e3b5bbf4af66400841dc6633254a02421660e384. 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 2 File information Comments

SHA256 hash: 49c5c4e8bc023b35e8147728e3b5bbf4af66400841dc6633254a02421660e384
SHA3-384 hash: 0d512a11ab6088fa264009de034546f9d0510f856e3caf741a5cfd0e4e92bdac3d01dd6c37e1b058535f227b517f8d75
SHA1 hash: 4118ac87bec45bdb3db7a6b010b83271c095a970
MD5 hash: 0b15a43d839b67959362e36cb503f814
humanhash: bacon-robert-floor-emma
File name:SecuriteInfo.com.Linux.Siggen.9999.25792.13767
Download: download sample
Signature Mirai
File size:41'192 bytes
First seen:2025-10-24 07:20:55 UTC
Last seen:2025-10-24 08:23:30 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:zaUzaRlMR6PyGdIfUa0D0U3AvJeek9w5br4NFtN+7OhXZC958BuIbr7JgGlzDpbm:za3nMRkyBfUbD0WQJeek9w5H4rboEZmv
TLSH T12C03F16D0A098488EFE36570A7F06B642D304BA2B0439DDF499CE7D390C6375B893ADD
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 SecuriteInfoCom
Tags:elf mirai UPX
File size (compressed) :41'192 bytes
File size (de-compressed) :110'572 bytes
Format:linux/mips
Unpacked file: f2cdb0438f8dcae9f7f510357c7c7c3de40b8951c188b8a9d0248fd2867d06f2

Intelligence


File Origin
# of uploads :
2
# of downloads :
63
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Sends data to a server
Receives data from a server
Changes access rights for a file
Runs as daemon
Opens a port
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
botnet mirai obfuscated packed upx
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-23T18:38:00Z UTC
Last seen:
2025-10-25T19:35:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=e572e844-1900-0000-4a47-f2bac1070000 pid=1985 /usr/bin/sudo guuid=d43c4247-1900-0000-4a47-f2bac2070000 pid=1986 /tmp/sample.bin guuid=e572e844-1900-0000-4a47-f2bac1070000 pid=1985->guuid=d43c4247-1900-0000-4a47-f2bac2070000 pid=1986 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-23 20:54:24 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
ultrauraniummirai.ddns.net
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: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 49c5c4e8bc023b35e8147728e3b5bbf4af66400841dc6633254a02421660e384

(this sample)

  
Delivery method
Distributed via web download

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