MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77b6c0aa534fa207865fd6167eed26bbc17562f27de5affec86c4ca4059cb8aa. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77b6c0aa534fa207865fd6167eed26bbc17562f27de5affec86c4ca4059cb8aa
SHA3-384 hash: ba7ba13d6bb07c9de504642d6e6fbd3f98fe3fe616d2a7e3dc73a5db81aa5d8885be68b87e3baf1f376ee6dce65b4d1b
SHA1 hash: 2fd89a8c7b2180246f4d9b4a9cd0938f234d244b
MD5 hash: 26f89c88e6b611fe94e4d8d78e9e98ab
humanhash: batman-blossom-victor-sink
File name:frost.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:66'912 bytes
First seen:2025-12-22 05:53:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:j+74tE6dgkaTJD0xMI3Qh23NS0vnK66jlU:g4OogkuJxNMk0/6jl
TLSH T18F630907B58281FDC14AC178266FBA3BDC2275FE0239B2A677D4FB262C46D211D1EE45
telfhash t1bf116b8438ab16d471ffbc36e253f4600c620e5151e235e1dab3a0f3d7b3b8105a1847
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 2bdb5c71ddc686e9387663a1d114aa12f8c9f5466a47b3da0e9050c6694cd6c4
File size (compressed) :29'248 bytes
File size (de-compressed) :66'912 bytes
Format:linux/amd64
Packed file: 2bdb5c71ddc686e9387663a1d114aa12f8c9f5466a47b3da0e9050c6694cd6c4

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
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.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30481.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135965-0
Create hunting rule

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

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

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

Unix.Trojan.Mirai-9970440-0
Create hunting rule

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

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

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

Unix.Trojan.Mirai-10027280-0
Create hunting rule

Unix.Trojan.Mirai-1
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
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
botnet mirai
Link:
https://www.filescan.io/uploads/6948dd04e126b9ff438b95e9/reports/fe4a82e1-1d29-4643-9224-ebff40d816da/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-22T03:03:00Z UTC
Last seen:
2025-12-22T04:57:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.fg HEUR:Backdoor.Linux.Mirai.ew HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.c HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.x HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Mirai.h
Link:
https://opentip.kaspersky.com/77b6c0aa534fa207865fd6167eed26bbc17562f27de5affec86c4ca4059cb8aa/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/49143900-6fd0-4e84-b8f9-f346b3950004
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1837414
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1837414 Sample: frost.x86_64.elf Startdate: 22/12/2025 Architecture: LINUX Score: 96 22 securecameoutgay.ddns.net 2->22 24 197.211.42.39 globacom-asNG Nigeria 2->24 26 99 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 36 2 other signatures 2->36 8 frost.x86_64.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 14 frost.x86_64.elf 8->14         started        process6 16 frost.x86_64.elf 14->16         started        18 frost.x86_64.elf 14->18         started        20 frost.x86_64.elf 14->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/77b6c0aa534fa207865fd6167eed26bbc17562f27de5affec86c4ca4059cb8aa
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77b6c0aa534fa207865fd6167eed26bbc17562f27de5affec86c4ca4059cb8aa/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/77b6c0aa534fa207865fd6167eed26bbc17562f27de5affec86c4ca4059cb8aa
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-22 05:54:10 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o63mbkstj6rapbs72ylh53jgxpaxkyxspxs277winrgkibm4xcva._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet defense_evasion discovery linux
Link:
https://tria.ge/reports/251222-glh5wsvrfw/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (113383) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
securecameoutgay.ddns.net
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Dropper.Mirai-7135965-0
YARA:
Mirai_Botnet_Malware Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_0bce98a2 Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_95e0056c Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/be198ded-e03d-44c8-937b-c31f55257472
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/77b6c0aa534fa207865fd6167eed26bbc17562f27de5affec86c4ca4059cb8aa

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: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: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_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0bce98a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_95e0056c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:MatchByteSequence
Create hunting rule
Author:Generated by ChatGPT
Description:Rule to match specific byte sequence: 89 C8 C1 E8 08 31 D1 31 C8
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: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 2bdb5c71ddc686e9387663a1d114aa12f8c9f5466a47b3da0e9050c6694cd6c4

Mirai

elf 77b6c0aa534fa207865fd6167eed26bbc17562f27de5affec86c4ca4059cb8aa

(this sample)

  
Dropped by
SHA256 2bdb5c71ddc686e9387663a1d114aa12f8c9f5466a47b3da0e9050c6694cd6c4
  
URLhaus
https://urlhaus.abuse.ch/url/3738382/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 798a5cbfefa1aa728c7844e133d2f15f

Comments