MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 257bf42dbe19d4f4f63e1480e39057f393c45b1916cd0a0424cb23f05b5caa65. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 257bf42dbe19d4f4f63e1480e39057f393c45b1916cd0a0424cb23f05b5caa65
SHA3-384 hash: c4ba766ae31cf3c0b1a5d7b2c57d208d868b3bb9334a530dbf3e35b43b4e67de6fb2f12186a9000422a9f7e6f894c997
SHA1 hash: 6bef50d696f546c4e0cb5ac355f630f3eff5f58d
MD5 hash: d1cab855b6c8efcb8fd611108f15936f
humanhash: ack-minnesota-saturn-white
File name:pandora.spc
Download: download sample
Signature Mirai
Create hunting rule
File size:184'888 bytes
First seen:2025-12-23 21:12:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:0qD16vE7iba9VmYgj0vVC/10xl/Pic+Gpcr2yv/7+mu:FD16vE7iba9VmYFpxlXic+Gpk+mu
TLSH T1BB043C21643D2F16D4D0B97E127B8B91B1E23A4D2BA8C58DBDB30D4FEF3564068135BA
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
DE DE
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/1122aa64-823a-4101-ae1a-46a2df56521c/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

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

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

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-6976991-0
Create hunting rule

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

Unix.Dropper.Mirai-7135881-0
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-7135996-0
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-7136033-0
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-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

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

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

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

Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-23T18:33:00Z UTC
Last seen:
2025-12-24T12:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/257bf42dbe19d4f4f63e1480e39057f393c45b1916cd0a0424cb23f05b5caa65/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/06ac69da-486e-4059-a4da-0841ccf3c375
Behavior Graph:
Download SVG
%3 guuid=437766da-2000-0000-7b31-ba73180a0000 pid=2584 /usr/bin/sudo guuid=1d7805dd-2000-0000-7b31-ba731e0a0000 pid=2590 /tmp/sample.bin guuid=437766da-2000-0000-7b31-ba73180a0000 pid=2584->guuid=1d7805dd-2000-0000-7b31-ba731e0a0000 pid=2590 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fda5b4ae-a52a-4742-be01-aefe156f9396
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1838462
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838462 Sample: pandora.spc.elf Startdate: 23/12/2025 Architecture: LINUX Score: 88 22 74.119.157.255, 23 WAREHOUSE-DIRECT-OFFICE-PRODUCTSUS United States 2->22 24 84.61.172.220, 23 VODANETInternationalIP-BackboneofVodafoneDE Germany 2->24 26 98 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 8 pandora.spc.elf 2->8         started        signatures3 process4 process5 10 pandora.spc.elf 8->10         started        12 pandora.spc.elf 8->12         started        14 pandora.spc.elf 8->14         started        process6 16 pandora.spc.elf 10->16         started        18 pandora.spc.elf 10->18         started        20 pandora.spc.elf 10->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/257bf42dbe19d4f4f63e1480e39057f393c45b1916cd0a0424cb23f05b5caa65
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/257bf42dbe19d4f4f63e1480e39057f393c45b1916cd0a0424cb23f05b5caa65/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/257bf42dbe19d4f4f63e1480e39057f393c45b1916cd0a0424cb23f05b5caa65
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-23 21:13:38 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=ev57iln6dhkpj5r6csaohecx6oj4iwyzc3gqubbezmr7aw24vjsq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd linux
Link:
https://tria.ge/reports/251223-z2npestjft/
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Trojan.Mirai-6976991-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/f0e367e2-f8a1-4cfa-b5dd-7921f777ff09
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/257bf42dbe19d4f4f63e1480e39057f393c45b1916cd0a0424cb23f05b5caa65

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
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 257bf42dbe19d4f4f63e1480e39057f393c45b1916cd0a0424cb23f05b5caa65

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3741609/
  
Delivery method
Distributed via web download

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