MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f014a86843455dc45e2ad0885dad44723f9661d1e75552844ecd1189a891735d. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f014a86843455dc45e2ad0885dad44723f9661d1e75552844ecd1189a891735d
SHA3-384 hash: e3d41cbffb21ebb6cb9f4c7f59f116c7ecc1eee96344fc9c2281998324104b0fdba1d9e83379a460ac857fbfd7df07d8
SHA1 hash: 610599c6f185ddca03c175d9cefa3a4645a4fd17
MD5 hash: 417106066914ea3e081cbb7356b1e6a7
humanhash: robin-vegan-louisiana-aspen
File name:hold.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:67'120 bytes
First seen:2025-01-19 13:06:35 UTC
Last seen:2025-01-22 13:58:38 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:fVmfE7g9MK/MBxvy4rIrIx3TXtjMUmXe1mam+tfSV:Nmc7g9MK/t+tTtYpu1XBI
TLSH T1CC635BC4F983D8F9FD1605751177EB339732F13F1228DA53C7989A73A922A01E92629C
telfhash t12a21e0ff0e6e0de9b7c8ad40c35a2ed26929e237156176e04531d43923a7e8180f9c3a
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 :
2
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
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.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678e2c06b5602ee8cdad7967linux22vpnfull_triage
Tags:
ransomware shellcode mirai virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Receives data from a server
Kills processes
Sends data to a server
Opens a port
Runs as daemon
Kills critical processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote
Link:
https://www.filescan.io/uploads/678cf8f62d219e36112b0d8a/reports/98df30ff-843f-4238-b3c0-7aef4947d5ab/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/f014a86843455dc45e2ad0885dad44723f9661d1e75552844ecd1189a891735d
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7ebdadd2-dbc9-48f1-ba27-886ffc6de8ce
Result
Threat name:
Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1594600
Signature
Connects to many ports of the same IP (likely port scanning)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1594600 Sample: hold.x86.elf Startdate: 19/01/2025 Architecture: LINUX Score: 92 54 109.202.202.202, 80 INIT7CH Switzerland 2->54 56 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->56 58 3 other IPs or domains 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 Yara detected Okiru 2->64 66 2 other signatures 2->66 8 hold.x86.elf 2->8         started        11 systemd gpu-manager 2->11         started        13 systemd gpu-manager 2->13         started        15 71 other processes 2->15 signatures3 process4 signatures5 68 Sample deletes itself 8->68 17 hold.x86.elf 8->17         started        31 5 other processes 11->31 19 gpu-manager sh 13->19         started        21 gpu-manager sh 13->21         started        23 gpu-manager sh 13->23         started        25 gpu-manager sh 13->25         started        70 Sample reads /proc/mounts (often used for finding a writable filesystem) 15->70 27 gpu-manager sh 15->27         started        29 gpu-manager sh 15->29         started        33 9 other processes 15->33 process6 process7 47 2 other processes 17->47 35 sh grep 19->35         started        37 sh grep 21->37         started        39 sh grep 23->39         started        41 sh grep 25->41         started        43 sh grep 27->43         started        45 sh grep 29->45         started        50 5 other processes 31->50 52 3 other processes 33->52 signatures8 72 Sample tries to kill a massive number of system processes 47->72 74 Sample tries to kill multiple processes (SIGKILL) 47->74
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f014a86843455dc45e2ad0885dad44723f9661d1e75552844ecd1189a891735d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f014a86843455dc45e2ad0885dad44723f9661d1e75552844ecd1189a891735d/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-19 13:07:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6akkq2cdivo4ixrk2cef3lkeoi7zmyor45kvfbcozuiytkeronoq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery linux
Link:
https://tria.ge/reports/250119-qcmldsylgw/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Malware Config
C2 Extraction:
krkrdoskslansldkalsd.o-r.kr
Verdict:
Malicious
Tags:
trojan mirai Unix.Dropper.Mirai-7135906-0
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/7e1b4336-4fce-482c-9ab5-415923689a0f
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/f014a86843455dc45e2ad0885dad44723f9661d1e75552844ecd1189a891735d

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_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
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: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

sh c65d5cd617018be7dae188bdc301bbd537f5bac8b4c8cb81a564f197fd2050aa

Mirai

elf f014a86843455dc45e2ad0885dad44723f9661d1e75552844ecd1189a891735d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3405871/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3405950/
  
Dropped by
SHA256 c65d5cd617018be7dae188bdc301bbd537f5bac8b4c8cb81a564f197fd2050aa
  
Dropped by
MD5 beaab90fbf1ab306ae5f4b9f14319658
  
URLhaus
https://urlhaus.abuse.ch/url/3402722/

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