MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0c77cc6a35ab47b537ac54f24d3f9d4b83d2eced7eedbfaf9b3829ce44655a1. 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 18 File information Comments

SHA256 hash: b0c77cc6a35ab47b537ac54f24d3f9d4b83d2eced7eedbfaf9b3829ce44655a1
SHA3-384 hash: e07df9192f04bee5d9d98aa503eb6bf4aaa4101bc8458481e0bd88ffa42f5a62ca05244e822278bc9334699d6dee03b6
SHA1 hash: 65f57f5ba81c23f5bd891142815787f253fa838e
MD5 hash: 650ec7b78c32f55aa51c235b88974fc4
humanhash: xray-lima-louisiana-alanine
File name:yamaha.x86_64
Download: download sample
Signature Mirai
File size:164'184 bytes
First seen:2025-12-23 14:23:01 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:LdH9QpkuNrDYF0oaQovNzRjl+D+f51kkEWEMN+iKZBI14Ii:LdH9QpkuNrDg0/MgbJEm5K4i
TLSH T154F33B07F4C184FDC496C1744BAEB536DD32B09E423CB1AB67D4AE222E4DE215B2DE94
telfhash t1f751ce303d5a3d9821f3e73ab30ad1e5b87219105ae5b1e1de67a9e4cf473c40da6092
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 :
1
# of downloads :
47
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
mirai
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-23T12:46:00Z UTC
Last seen:
2025-12-23T15:24:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=d08e0e16-1900-0000-6a80-55fe5e140000 pid=5214 /usr/bin/sudo guuid=9b344118-1900-0000-6a80-55fe5f140000 pid=5215 /tmp/sample.bin net write-config guuid=d08e0e16-1900-0000-6a80-55fe5e140000 pid=5214->guuid=9b344118-1900-0000-6a80-55fe5f140000 pid=5215 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=9b344118-1900-0000-6a80-55fe5f140000 pid=5215->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=76887318-1900-0000-6a80-55fe60140000 pid=5216 /usr/bin/dash guuid=9b344118-1900-0000-6a80-55fe5f140000 pid=5215->guuid=76887318-1900-0000-6a80-55fe60140000 pid=5216 execve guuid=4b0acb19-1900-0000-6a80-55fe62140000 pid=5218 /usr/bin/dash guuid=9b344118-1900-0000-6a80-55fe5f140000 pid=5215->guuid=4b0acb19-1900-0000-6a80-55fe62140000 pid=5218 execve guuid=646c851b-1900-0000-6a80-55fe64140000 pid=5220 /usr/bin/dash guuid=9b344118-1900-0000-6a80-55fe5f140000 pid=5215->guuid=646c851b-1900-0000-6a80-55fe64140000 pid=5220 execve guuid=390fa77b-1900-0000-6a80-55fe7a140000 pid=5242 /usr/bin/dash guuid=9b344118-1900-0000-6a80-55fe5f140000 pid=5215->guuid=390fa77b-1900-0000-6a80-55fe7a140000 pid=5242 execve guuid=3bd93ead-1900-0000-6a80-55fe90140000 pid=5264 /usr/bin/dash guuid=9b344118-1900-0000-6a80-55fe5f140000 pid=5215->guuid=3bd93ead-1900-0000-6a80-55fe90140000 pid=5264 execve guuid=cbe2dbad-1900-0000-6a80-55fe95140000 pid=5269 /tmp/sample.bin zombie guuid=9b344118-1900-0000-6a80-55fe5f140000 pid=5215->guuid=cbe2dbad-1900-0000-6a80-55fe95140000 pid=5269 clone guuid=e65cdfad-1900-0000-6a80-55fe96140000 pid=5270 /tmp/sample.bin zombie guuid=9b344118-1900-0000-6a80-55fe5f140000 pid=5215->guuid=e65cdfad-1900-0000-6a80-55fe96140000 pid=5270 clone guuid=34e7e1ad-1900-0000-6a80-55fe97140000 pid=5271 /tmp/sample.bin dns net send-data zombie guuid=9b344118-1900-0000-6a80-55fe5f140000 pid=5215->guuid=34e7e1ad-1900-0000-6a80-55fe97140000 pid=5271 clone guuid=e318fd18-1900-0000-6a80-55fe61140000 pid=5217 /usr/bin/cp guuid=76887318-1900-0000-6a80-55fe60140000 pid=5216->guuid=e318fd18-1900-0000-6a80-55fe61140000 pid=5217 execve guuid=d564001a-1900-0000-6a80-55fe63140000 pid=5219 /usr/bin/chattr guuid=4b0acb19-1900-0000-6a80-55fe62140000 pid=5218->guuid=d564001a-1900-0000-6a80-55fe63140000 pid=5219 execve guuid=31cde71b-1900-0000-6a80-55fe65140000 pid=5221 /usr/bin/systemctl guuid=646c851b-1900-0000-6a80-55fe64140000 pid=5220->guuid=31cde71b-1900-0000-6a80-55fe65140000 pid=5221 execve guuid=9288d27b-1900-0000-6a80-55fe7b140000 pid=5243 /usr/bin/systemctl guuid=390fa77b-1900-0000-6a80-55fe7a140000 pid=5242->guuid=9288d27b-1900-0000-6a80-55fe7b140000 pid=5243 execve guuid=c2616fad-1900-0000-6a80-55fe91140000 pid=5265 /usr/bin/dash guuid=3bd93ead-1900-0000-6a80-55fe90140000 pid=5264->guuid=c2616fad-1900-0000-6a80-55fe91140000 pid=5265 clone guuid=ba5577ad-1900-0000-6a80-55fe92140000 pid=5266 /usr/bin/dash guuid=3bd93ead-1900-0000-6a80-55fe90140000 pid=5264->guuid=ba5577ad-1900-0000-6a80-55fe92140000 pid=5266 clone guuid=4bf177ad-1900-0000-6a80-55fe93140000 pid=5267 /usr/bin/dash guuid=c2616fad-1900-0000-6a80-55fe91140000 pid=5265->guuid=4bf177ad-1900-0000-6a80-55fe93140000 pid=5267 clone guuid=cee17bad-1900-0000-6a80-55fe94140000 pid=5268 /usr/bin/grep guuid=c2616fad-1900-0000-6a80-55fe91140000 pid=5265->guuid=cee17bad-1900-0000-6a80-55fe94140000 pid=5268 execve guuid=34e7e1ad-1900-0000-6a80-55fe97140000 pid=5271->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 32B d1e892ed-b89d-548b-8e19-2cce7a809be7 hknhosting.xyz:3778 guuid=34e7e1ad-1900-0000-6a80-55fe97140000 pid=5271->d1e892ed-b89d-548b-8e19-2cce7a809be7 send: 5B
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Protects files from modification
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838259 Sample: yamaha.x86_64.elf Startdate: 23/12/2025 Architecture: LINUX Score: 100 49 hknhosting.xyz 2->49 51 169.254.169.254, 80 USDOSUS Reserved 2->51 53 5 other IPs or domains 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for dropped file 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 63 2 other signatures 2->63 9 yamaha.x86_64.elf 2->9         started        11 systemd snapd-env-generator 2->11         started        13 systemd snapd-env-generator 2->13         started        15 9 other processes 2->15 signatures3 61 Performs DNS queries to domains with low reputation 49->61 process4 process5 17 yamaha.x86_64.elf sh 9->17         started        19 yamaha.x86_64.elf sh 9->19         started        21 yamaha.x86_64.elf sh 9->21         started        23 5 other processes 9->23 signatures6 26 sh crontab 17->26         started        30 sh 17->30         started        32 sh cp 19->32         started        34 sh chattr 21->34         started        65 Sample tries to kill multiple processes (SIGKILL) 23->65 36 sh systemctl 23->36         started        38 sh systemctl 23->38         started        process7 file8 45 /var/spool/cron/crontabs/tmp.sAuQLI, ASCII 26->45 dropped 69 Sample tries to persist itself using cron 26->69 71 Executes the "crontab" command typically for achieving persistence 26->71 40 sh crontab 30->40         started        43 sh grep 30->43         started        47 /usr/lib/libsystemd.so.0, ELF 32->47 dropped 73 Protects files from modification 34->73 signatures9 process10 signatures11 67 Executes the "crontab" command typically for achieving persistence 40->67
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-23 14:23:19 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Creates/modifies Cron job
Enumerates running processes
Modifies systemd
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7136013-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:unixredflags3
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 b0c77cc6a35ab47b537ac54f24d3f9d4b83d2eced7eedbfaf9b3829ce44655a1

(this sample)

  
Delivery method
Distributed via web download

Comments