MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8f98f8d1abb4e690e37f1d92a57c4517ab09cc94bc405819b8e502f375f7da8. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8f98f8d1abb4e690e37f1d92a57c4517ab09cc94bc405819b8e502f375f7da8
SHA3-384 hash: 2b86759d1f9ef752546bca601af1e63dad1c7628b92779541744539f8dea9e195b537f0530c3691a270513917a6cf3e5
SHA1 hash: 84943b567693f6d2a1b3afa5ec0ac33014ee63b1
MD5 hash: f0cc82702bfd368a8c7aa6902ddff6a9
humanhash: sierra-wolfram-mountain-sweet
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:54'352 bytes
First seen:2025-07-22 04:35:12 UTC
Last seen:2025-12-26 14:44:04 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:VqVy+TWbbwfWRWFz0bw4lKyxFAjmKRTocXJej9SNL:v+TgbwfW6H4lKybGVRTt5ejY
TLSH T13D3339C4E64BE4F5FC16067821B3E7329B73F93A1029D996D368A433B852A05E6473DC
telfhash t15f2194b73db709fcb3d0ac49c32b12e34635d67b1a6162b445b1ac9533f2d5580a8c36
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

Intelligence

File Origin
# of uploads :
3
# of downloads :
20
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9866113-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Receives data from a server
Connection attempt
DNS request
Mounts file systems
Runs as daemon
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b8f98f8d1abb4e690e37f1d92a57c4517ab09cc94bc405819b8e502f375f7da8
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 83.229.17.45:38241
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/280797be-6625-4743-9397-b131facbaa20
Behavior Graph:
Download SVG
%3 guuid=ce59f546-1900-0000-d38f-195cd60b0000 pid=3030 /usr/bin/sudo guuid=d76b7948-1900-0000-d38f-195cda0b0000 pid=3034 /tmp/sample.bin net guuid=ce59f546-1900-0000-d38f-195cd60b0000 pid=3030->guuid=d76b7948-1900-0000-d38f-195cda0b0000 pid=3034 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=d76b7948-1900-0000-d38f-195cda0b0000 pid=3034->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=efa8c848-1900-0000-d38f-195cdc0b0000 pid=3036 /home/sandbox/ dns net send-data zombie guuid=d76b7948-1900-0000-d38f-195cda0b0000 pid=3034->guuid=efa8c848-1900-0000-d38f-195cdc0b0000 pid=3036 clone guuid=efa8c848-1900-0000-d38f-195cdc0b0000 pid=3036->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 84a380bc-aa57-5600-87c1-ca531ceab881 80.152.203.134:53 guuid=efa8c848-1900-0000-d38f-195cdc0b0000 pid=3036->84a380bc-aa57-5600-87c1-ca531ceab881 send: 30B b7f22dff-36ca-56fe-b940-e18740a057c3 bunnybots.ru:38241 guuid=efa8c848-1900-0000-d38f-195cdc0b0000 pid=3036->b7f22dff-36ca-56fe-b940-e18740a057c3 send: 7B guuid=6ccd5549-1900-0000-d38f-195cde0b0000 pid=3038 /home/sandbox/ guuid=efa8c848-1900-0000-d38f-195cdc0b0000 pid=3036->guuid=6ccd5549-1900-0000-d38f-195cde0b0000 pid=3038 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4bf91350-4e02-41c5-95f1-e52c96f3ce0f
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1741724
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
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1741724 Sample: x86.elf Startdate: 22/07/2025 Architecture: LINUX Score: 76 16 BUNNYBOTS.RU 83.229.17.45, 38241, 53974 SKYVISIONGB United Kingdom 2->16 18 bunnybots.ru 2->18 20 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 2 other signatures 2->28 8 x86.elf 2->8         started        10 udisksd dumpe2fs 2->10         started        signatures3 process4 process5 12 x86.elf 8->12         started        process6 14 x86.elf 12->14         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8f98f8d1abb4e690e37f1d92a57c4517ab09cc94bc405819b8e502f375f7da8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8f98f8d1abb4e690e37f1d92a57c4517ab09cc94bc405819b8e502f375f7da8/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-18 23:10:42 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=xd4y7di2xnhgsdrx6hmsuv6ekf5lbhgjjpcalam3rzic6n27pwua._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux rootkit
Link:
https://tria.ge/reports/250722-e7zcwsspv5/
Behaviour
Loads a kernel module
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9866113-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/6f21fd04-a8db-46b0-8992-3f3e34390bdc
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/b8f98f8d1abb4e690e37f1d92a57c4517ab09cc94bc405819b8e502f375f7da8

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:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 b8f98f8d1abb4e690e37f1d92a57c4517ab09cc94bc405819b8e502f375f7da8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3587775/
  
Delivery method
Distributed via web download

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