MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e81f33a751d5b6c22105a030a2e28c47e79899e9dcfd8c4a77851fb37639c1c1. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e81f33a751d5b6c22105a030a2e28c47e79899e9dcfd8c4a77851fb37639c1c1
SHA3-384 hash: 843c88f91cf948c4b5f08b68d8b4f36c3cf6d79cf4c462c8353980f08ba358bf76b912ea1b86b3a5d8eeaba88bf8bef1
SHA1 hash: bf57b54798c6b70f6848d9fe06c61bd3b038ce83
MD5 hash: 572b1c5ada20a2ff9915c3f3cde838ca
humanhash: moon-enemy-uranus-bakerloo
File name:byte.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:82'340 bytes
First seen:2024-12-27 12:06:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:siw3j2dyEWril8wndq5RO8IiycUYzeumdUIEmNhFK60l61d6a8S1:Iz2dyZi6RoipN+UIzNq458S1
TLSH T199834B0173180B47D1A35AB42E3F17E587BEE9A021F4FA84260FEA464175E77158EECD
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
201
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28959.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-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135898-0
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-7135957-0
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-7136057-0
Create hunting rule

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

Unix.Trojan.Mirai-9801524-0
Create hunting rule

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

Unix.Trojan.Mirai-9940367-0
Create hunting rule

Unix.Trojan.Mirai-9943731-0
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:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676e98678a4d48ee350007c4linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Kills processes
Runs as daemon
Kills critical processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug botnet lolbin masquerade mirai remote
Link:
https://www.filescan.io/uploads/676e986904d70cdf80d7f467/reports/6fda0f5d-b6ec-48c2-965d-1644c87e5f57/overview
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/53d3e65a-661e-477f-b1df-d05739476250
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1581342
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1581342 Sample: byte.ppc.elf Startdate: 27/12/2024 Architecture: LINUX Score: 100 55 109.202.202.202, 80 INIT7CH Switzerland 2->55 57 tstasktdkksjdssd.o-r.kr 154.213.190.246, 48438, 9999 DDOSING-BGP-NETWORKUS Seychelles 2->57 59 4 other IPs or domains 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus / Scanner detection for submitted sample 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 2 other signatures 2->67 8 dash rm byte.ppc.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 75 other processes 2->14 signatures3 process4 signatures5 17 byte.ppc.elf 8->17         started        19 byte.ppc.elf 8->19         started        22 byte.ppc.elf 8->22         started        30 6 other processes 10->30 24 gpu-manager sh 12->24         started        26 gpu-manager sh 12->26         started        28 gpu-manager sh 12->28         started        32 2 other processes 12->32 77 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->77 34 13 other processes 14->34 process6 signatures7 36 byte.ppc.elf 17->36         started        39 byte.ppc.elf 17->39         started        69 Sample tries to kill a massive number of system processes 19->69 71 Sample tries to kill multiple processes (SIGKILL) 19->71 41 sh grep 24->41         started        43 sh grep 26->43         started        45 sh grep 28->45         started        51 6 other processes 30->51 47 sh grep 32->47         started        49 sh grep 32->49         started        53 6 other processes 34->53 process8 signatures9 73 Sample tries to kill a massive number of system processes 36->73 75 Sample tries to kill multiple processes (SIGKILL) 36->75
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/e81f33a751d5b6c22105a030a2e28c47e79899e9dcfd8c4a77851fb37639c1c1
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e81f33a751d5b6c22105a030a2e28c47e79899e9dcfd8c4a77851fb37639c1c1/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-12-27 12:07:03 UTC
File Type:
ELF32 Big (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5apthj2r2w3meiifuaykfyumi7tzrgpj3t6yystxqup3g5rzyhaq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd linux
Link:
https://tria.ge/reports/241227-paay5svmdy/
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-6976991-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/5ff2db95-f3a3-42b7-8c82-ccabec0c59b2
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/e81f33a751d5b6c22105a030a2e28c47e79899e9dcfd8c4a77851fb37639c1c1

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: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 e81f33a751d5b6c22105a030a2e28c47e79899e9dcfd8c4a77851fb37639c1c1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3377107/
  
Delivery method
Distributed via web download

Comments