MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4d98e7fd3aef0477c719e04b01b8dfc825b7841b258ba4f847bea0ba385fd07. 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: 14


Intelligence 14 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4d98e7fd3aef0477c719e04b01b8dfc825b7841b258ba4f847bea0ba385fd07
SHA3-384 hash: 02274ed66f661e275672ad762a81636802c59b914d87a56f7dabc10691c4f4aebf87ca9c32eaf09018a7c3136f843e41
SHA1 hash: 625edc24bc9748d3978d8b2f159359f5300f82fd
MD5 hash: 89055639043753647537bcbff9bfe04e
humanhash: green-fourteen-zulu-seven
File name:db0fa4b8db0333367e9bda3ab68b8042.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:164'680 bytes
First seen:2026-02-04 00:12:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:8J8zW7wNuoccU3OVEkOPTv62rdBvlVyy13FY0YGwbZnO:dW7wsoccU3OVELv6gOpGwRO
TLSH T124F33C41FA8B84F1C847493050A7F73FE731E5298039D7ADEF899F35CA67A01960A399
telfhash t1d75157ba6bb72aed33d08d01c34f2b11de0e953b3554327e05530ad522b7a0262b5cba
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 12b540d69a606db64291149c694c84e81f3ceca263f40f35fbd4b15bcd79e562
File size (compressed) :63'916 bytes
File size (de-compressed) :164'680 bytes
Format:linux/i386
Packed file: 12b540d69a606db64291149c694c84e81f3ceca263f40f35fbd4b15bcd79e562

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
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/75a9f667-250e-4011-8c77-b0a248522e4a/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/69828f192ffccda097675869/reports/8e9a15ec-3e82-4791-a669-9bbf56fd5efe/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b4d98e7fd3aef0477c719e04b01b8dfc825b7841b258ba4f847bea0ba385fd07
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 216.126.225.121:59666
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-02-04T01:40:00Z UTC
Last seen:
2026-02-04T05:57:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b4d98e7fd3aef0477c719e04b01b8dfc825b7841b258ba4f847bea0ba385fd07/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a4553f23-349d-4335-b5ad-16f15efb2652
Behavior Graph:
Download SVG
%3 guuid=fa985655-1b00-0000-63d8-2e617e0b0000 pid=2942 /usr/bin/sudo guuid=d259df59-1b00-0000-63d8-2e61830b0000 pid=2947 /tmp/sample.bin net guuid=fa985655-1b00-0000-63d8-2e617e0b0000 pid=2942->guuid=d259df59-1b00-0000-63d8-2e61830b0000 pid=2947 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=d259df59-1b00-0000-63d8-2e61830b0000 pid=2947->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=bb8ccf5a-1b00-0000-63d8-2e61840b0000 pid=2948 /tmp/sample.bin dns net send-data zombie guuid=d259df59-1b00-0000-63d8-2e61830b0000 pid=2947->guuid=bb8ccf5a-1b00-0000-63d8-2e61840b0000 pid=2948 clone guuid=bb8ccf5a-1b00-0000-63d8-2e61840b0000 pid=2948->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 45B b336e4e1-2db1-5d9f-b8f7-41d0ac55746c stopdicksucking.duckdns.org:59666 guuid=bb8ccf5a-1b00-0000-63d8-2e61840b0000 pid=2948->b336e4e1-2db1-5d9f-b8f7-41d0ac55746c send: 7B guuid=8218f15a-1b00-0000-63d8-2e61850b0000 pid=2949 /tmp/sample.bin guuid=bb8ccf5a-1b00-0000-63d8-2e61840b0000 pid=2948->guuid=8218f15a-1b00-0000-63d8-2e61850b0000 pid=2949 clone guuid=f78b0c5b-1b00-0000-63d8-2e61860b0000 pid=2950 /tmp/sample.bin guuid=bb8ccf5a-1b00-0000-63d8-2e61840b0000 pid=2948->guuid=f78b0c5b-1b00-0000-63d8-2e61860b0000 pid=2950 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7f9943af-1b3b-4db0-abfa-1a1ba69cd2f1
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1862897
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
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4d98e7fd3aef0477c719e04b01b8dfc825b7841b258ba4f847bea0ba385fd07
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4d98e7fd3aef0477c719e04b01b8dfc825b7841b258ba4f847bea0ba385fd07/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-02-04 00:13:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtmy476tv3yeo7drtyclag4n7sbfw6cbwjmlut4eppvaxi4f7udq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:echobot family:mirai botnet:unstable defense_evasion discovery linux
Link:
https://tria.ge/reports/260204-ahvwysew2d/
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
stopdicksucking.duckdns.org
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/b4d98e7fd3aef0477c719e04b01b8dfc825b7841b258ba4f847bea0ba385fd07

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
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_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_c8385b81
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
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 12b540d69a606db64291149c694c84e81f3ceca263f40f35fbd4b15bcd79e562

Mirai

elf b4d98e7fd3aef0477c719e04b01b8dfc825b7841b258ba4f847bea0ba385fd07

(this sample)

  
Dropped by
SHA256 12b540d69a606db64291149c694c84e81f3ceca263f40f35fbd4b15bcd79e562
  
URLhaus
https://urlhaus.abuse.ch/url/3770787/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 2d1c666931f4c9907e41504318245fa6
  
URLhaus
https://urlhaus.abuse.ch/url/3770570/

Comments