MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58251fb92cf5ccd03cc9e82190c2ad49615231e2eaf2d847b582355c0f6cce7b. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 58251fb92cf5ccd03cc9e82190c2ad49615231e2eaf2d847b582355c0f6cce7b
SHA3-384 hash: 455cb1832ab89f49216063909cb886e44961a5c05564598b598d6d5c05cc8ee17984aa4bee75f2440a9f1ece26346a59
SHA1 hash: 5048cd648ff1b212e93f876a363cc48d5bdabb5d
MD5 hash: 307f8d1b2ecd9dbbef89c535c39dde78
humanhash: california-mike-island-mexico
File name:frost.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:33'016 bytes
First seen:2025-12-31 19:41:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:z+lc0REzRgcK+UqwoyspZwTv/kc6u/VknbcuyD7UiyqN:3dRgci8CP6eknouy8ZqN
TLSH T14EE2E14353BED351E4AD90361CCEAE1F0C02B726950127B5BF695B9CEA62F20BE5C1A1
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
File size (compressed) :33'016 bytes
File size (de-compressed) :74'608 bytes
Format:linux/i386
Unpacked file: 398be4c772cc29a27cf5442f49da721b3099397129c6a0bae24f19278d876559

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/df57cc59-a5d8-455c-b2b5-cfc3117b6c88/
Detection(s):
Unix.Trojan.Mirai-7669677-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/69557c5c8d1aa9829e28324d/reports/a7e961a5-be38-482d-afe6-adbeb42270ad/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-31T16:45:00Z UTC
Last seen:
2026-01-02T06:02:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Exploit.Linux.Mvpower.a HEUR:Exploit.Linux.CVE-2017-17215.a
Link:
https://opentip.kaspersky.com/58251fb92cf5ccd03cc9e82190c2ad49615231e2eaf2d847b582355c0f6cce7b/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2815e707-0639-4d95-b7d0-459f9b079e5a
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1842819
Signature
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842819 Sample: frost.x86.elf Startdate: 31/12/2025 Architecture: LINUX Score: 100 29 210.235.243.197 KDDIKDDICORPORATIONJP Japan 2->29 31 197.187.5.184 airtel-tz-asTZ Tanzania United Republic of 2->31 33 99 other IPs or domains 2->33 35 Suricata IDS alerts for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Detected Mirai 2->39 41 4 other signatures 2->41 8 frost.x86.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 6 other processes 2->14 signatures3 process4 process5 16 frost.x86.elf 8->16         started        18 wrapper-2.0 xfpm-power-backlight-helper 10->18         started        process6 20 frost.x86.elf 16->20         started        23 frost.x86.elf 16->23         started        25 frost.x86.elf 16->25         started        27 3 other processes 16->27 signatures7 43 Sample tries to kill multiple processes (SIGKILL) 20->43
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/58251fb92cf5ccd03cc9e82190c2ad49615231e2eaf2d847b582355c0f6cce7b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/58251fb92cf5ccd03cc9e82190c2ad49615231e2eaf2d847b582355c0f6cce7b/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/58251fb92cf5ccd03cc9e82190c2ad49615231e2eaf2d847b582355c0f6cce7b
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-31 19:41:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lasr7ojm6xgnapgj5aqzbqvnjfqvempc5lznqr5vqi2vyd3mzz5q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251231-yebkxadt3h/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (191484) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7669677-0
YARA:
n/a
Link:
https://app.threat.zone/submission/ba3a10fd-0951-4eda-817e-f96652555c5f
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/58251fb92cf5ccd03cc9e82190c2ad49615231e2eaf2d847b582355c0f6cce7b

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf 58251fb92cf5ccd03cc9e82190c2ad49615231e2eaf2d847b582355c0f6cce7b

(this sample)

Mirai

elf 398be4c772cc29a27cf5442f49da721b3099397129c6a0bae24f19278d876559

  
URLhaus
https://urlhaus.abuse.ch/url/3738391/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 398be4c772cc29a27cf5442f49da721b3099397129c6a0bae24f19278d876559
  
Dropping
MD5 e90e269ec30e46456dc54b3c031b9cf1

Comments