MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2cdb0438f8dcae9f7f510357c7c7c3de40b8951c188b8a9d0248fd2867d06f2. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2cdb0438f8dcae9f7f510357c7c7c3de40b8951c188b8a9d0248fd2867d06f2
SHA3-384 hash: f8b85ac0abf1b1d7ed859b8166cbc1f9afddd83926602af049949394e1756fb60e6003fceaf1f64cff3e7e4298182d4a
SHA1 hash: d6387d6869da160a1ebc330a229ccd8bf1f0c70f
MD5 hash: 74817697d5c5d0c1b3f51607fd8eb863
humanhash: victor-iowa-kansas-oranges
File name:SecuriteInfo.com.Linux.Siggen.9999.25792.13767
Download: download sample
Signature Mirai
Create hunting rule
File size:109'760 bytes
First seen:2025-10-24 07:21:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:HkUa7xt8Fyhmf+5OhwEN2T3Negar9EnOFy7A9UmPfeqB+AZrhy:ta7xRwWXEN2rNegar9EnOFy7EUwxZro
TLSH T105B3D64E7F329F7CFBA8C23447B35A21A65923D227E1DA85D19CD6011E7024E681FBB4
telfhash t1d0115b1c4d3823e0d7751caa67ecff76e15130eb46255e378e10e99d9a6d9429d01c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 49c5c4e8bc023b35e8147728e3b5bbf4af66400841dc6633254a02421660e384
File size (compressed) :41'192 bytes
File size (de-compressed) :110'572 bytes
Format:linux/mips
Packed file: 49c5c4e8bc023b35e8147728e3b5bbf4af66400841dc6633254a02421660e384

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

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:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
botnet lolbin mirai remote threat
Link:
https://www.filescan.io/uploads/68fb295211ff3db29f67940a/reports/39879e54-3485-4487-9801-aa7d23196701/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-10-24T04:31:00Z UTC
Last seen:
2025-10-24T05:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/f2cdb0438f8dcae9f7f510357c7c7c3de40b8951c188b8a9d0248fd2867d06f2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/946aade6-3041-45f2-b494-14d6b114c124
Behavior Graph:
Download SVG
%3 guuid=d5ce8110-1700-0000-39b2-7aa9040d0000 pid=3332 /usr/bin/sudo guuid=4170d812-1700-0000-39b2-7aa90b0d0000 pid=3339 /tmp/sample.bin guuid=d5ce8110-1700-0000-39b2-7aa9040d0000 pid=3332->guuid=4170d812-1700-0000-39b2-7aa90b0d0000 pid=3339 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1e95f173-84bd-4a37-88c2-d090de52d479
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1801092
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f2cdb0438f8dcae9f7f510357c7c7c3de40b8951c188b8a9d0248fd2867d06f2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f2cdb0438f8dcae9f7f510357c7c7c3de40b8951c188b8a9d0248fd2867d06f2/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/f2cdb0438f8dcae9f7f510357c7c7c3de40b8951c188b8a9d0248fd2867d06f2
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-24 07:24:42 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6lg3aq4prxfot57vca2xy7d4hxsaxckrygelrkoqesh5fbt5a3za._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/251024-h8fhyser4t/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
ultrauraniummirai.ddns.net
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/07564fa8-811e-48f0-a30b-83736b2db9a8
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/f2cdb0438f8dcae9f7f510357c7c7c3de40b8951c188b8a9d0248fd2867d06f2

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 49c5c4e8bc023b35e8147728e3b5bbf4af66400841dc6633254a02421660e384

Mirai

elf f2cdb0438f8dcae9f7f510357c7c7c3de40b8951c188b8a9d0248fd2867d06f2

(this sample)

  
Dropped by
SHA256 49c5c4e8bc023b35e8147728e3b5bbf4af66400841dc6633254a02421660e384
  
Dropped by
MD5 0b15a43d839b67959362e36cb503f814
  
URLhaus
https://urlhaus.abuse.ch/url/3685253/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3687081/
  
URLhaus
https://urlhaus.abuse.ch/url/3687086/

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