MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b3c19d401ad18bee51f34272a685ff4d18fc0f4ff75f7d7cb5b93fb7e7202b7. 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: 11


Intelligence 11 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b3c19d401ad18bee51f34272a685ff4d18fc0f4ff75f7d7cb5b93fb7e7202b7
SHA3-384 hash: 0d16d07f563f5379a6764afc5282f14da14750f319cf00f4cd72153f8e3b468c3e1a794137298c3b6ccc3d6831ba3da3
SHA1 hash: 61b16b80add8e60e1521c20b2646b926ed946b38
MD5 hash: 39d882a0e85f67f79851d0e6e6ce1b36
humanhash: timing-ack-saturn-failed
File name:Space.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:75'600 bytes
First seen:2026-03-25 12:18:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:cgbgWgQ5bd+2RcZmT9lX8RTupH07xfP+4aNVzibDj+C5bz4Hn7UKAv+kblUZ3akL:DeuIZobMf24MIb/+w4HnC+8l8AnzcfK
TLSH T118733A17BA4080FEC899C43843BABA36DC7274FE1379725A17D8FE366D55E601E29C84
telfhash t1ad2145b039590da0f0ebe468b305e1561d391a6004e2b8f3d9b790f3eb517870db5427
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a6c4a730cc420bf8ea0c80bec14a7cfe3bdcf7f967903a20373a80fac617c1a6
File size (compressed) :36'924 bytes
File size (de-compressed) :75'600 bytes
Format:linux/amd64
Packed file: a6c4a730cc420bf8ea0c80bec14a7cfe3bdcf7f967903a20373a80fac617c1a6

Intelligence

File Origin
# of uploads :
1
# of downloads :
41
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/b8c96785-5540-4bd8-a074-0e8b5be5e83f/
Detection(s):
SecuriteInfo.com.Linux.Mirai-62.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.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-7136013-0
Create hunting rule

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

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

Unix.Dropper.Mirai-7136057-0
Create hunting rule

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

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
45
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/1b3c19d401ad18bee51f34272a685ff4d18fc0f4ff75f7d7cb5b93fb7e7202b7
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-03-25T10:29:00Z UTC
Last seen:
2026-03-25T11:44:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/1b3c19d401ad18bee51f34272a685ff4d18fc0f4ff75f7d7cb5b93fb7e7202b7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f290be67-70b8-47ec-9ab4-fa95a3b3e6c9
Behavior Graph:
Download SVG
%3 guuid=8e35a9a6-1e00-0000-eb68-e636de130000 pid=5086 /usr/bin/sudo guuid=f0bd66a8-1e00-0000-eb68-e636e2130000 pid=5090 /tmp/sample.bin net guuid=8e35a9a6-1e00-0000-eb68-e636de130000 pid=5086->guuid=f0bd66a8-1e00-0000-eb68-e636e2130000 pid=5090 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f0bd66a8-1e00-0000-eb68-e636e2130000 pid=5090->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=6f2e8fa8-1e00-0000-eb68-e636e4130000 pid=5092 /tmp/sample.bin guuid=f0bd66a8-1e00-0000-eb68-e636e2130000 pid=5090->guuid=6f2e8fa8-1e00-0000-eb68-e636e4130000 pid=5092 clone guuid=ee9306d3-1f00-0000-eb68-e63643140000 pid=5187 /tmp/sample.bin guuid=f0bd66a8-1e00-0000-eb68-e636e2130000 pid=5090->guuid=ee9306d3-1f00-0000-eb68-e63643140000 pid=5187 clone guuid=362118d3-1f00-0000-eb68-e63644140000 pid=5188 /tmp/sample.bin net send-data zombie guuid=f0bd66a8-1e00-0000-eb68-e636e2130000 pid=5090->guuid=362118d3-1f00-0000-eb68-e63644140000 pid=5188 clone guuid=6ddc97a8-1e00-0000-eb68-e636e5130000 pid=5093 /tmp/sample.bin zombie guuid=6f2e8fa8-1e00-0000-eb68-e636e4130000 pid=5092->guuid=6ddc97a8-1e00-0000-eb68-e636e5130000 pid=5093 clone guuid=826b9ca8-1e00-0000-eb68-e636e6130000 pid=5094 /tmp/sample.bin net send-data zombie guuid=6f2e8fa8-1e00-0000-eb68-e636e4130000 pid=5092->guuid=826b9ca8-1e00-0000-eb68-e636e6130000 pid=5094 clone guuid=826b9ca8-1e00-0000-eb68-e636e6130000 pid=5094->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 413a7120-767c-5584-b6d6-f7447bf54005 165.245.189.236:3778 guuid=826b9ca8-1e00-0000-eb68-e636e6130000 pid=5094->413a7120-767c-5584-b6d6-f7447bf54005 send: 7B guuid=362118d3-1f00-0000-eb68-e63644140000 pid=5188->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=362118d3-1f00-0000-eb68-e63644140000 pid=5188->413a7120-767c-5584-b6d6-f7447bf54005 send: 7B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4b960d1d-fd07-4f43-a0e9-736fd8d0e324
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1b3c19d401ad18bee51f34272a685ff4d18fc0f4ff75f7d7cb5b93fb7e7202b7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1b3c19d401ad18bee51f34272a685ff4d18fc0f4ff75f7d7cb5b93fb7e7202b7/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-25 12:19:38 UTC
File Type:
ELF64 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dm6btvabvuml5zi7gqtsu2c76tiy7qhu7527pv6lloj7w7tsak3q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Link:
https://tria.ge/reports/260325-phe8tscw3m/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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/1b3c19d401ad18bee51f34272a685ff4d18fc0f4ff75f7d7cb5b93fb7e7202b7

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 a6c4a730cc420bf8ea0c80bec14a7cfe3bdcf7f967903a20373a80fac617c1a6

Mirai

elf 1b3c19d401ad18bee51f34272a685ff4d18fc0f4ff75f7d7cb5b93fb7e7202b7

(this sample)

  
Dropped by
SHA256 a6c4a730cc420bf8ea0c80bec14a7cfe3bdcf7f967903a20373a80fac617c1a6
  
Dropped by
MD5 f6462027f9ff6efb6e169b0448dbb458
  
URLhaus
https://urlhaus.abuse.ch/url/3804865/
  
Delivery method
Distributed via web download

Comments