MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12c79d5ea1377d53974f2a1327bea182e39d5ea4268d7129ca3d18e7fc3c75b2. 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: 9


Intelligence 9 IOCs YARA 11 File information Comments

SHA256 hash: 12c79d5ea1377d53974f2a1327bea182e39d5ea4268d7129ca3d18e7fc3c75b2
SHA3-384 hash: 3b2965e016ffb42e0081f48b6d49af3d8be432c5c7c1d2f0bd07f66b8570b330b3d436baf55da539617d85577b15b9a1
SHA1 hash: 09f96faa93dd4f17c4a3a97051e283fd1e87fcef
MD5 hash: 92ba0f10730da99db44fd360d7d375e4
humanhash: pennsylvania-hawaii-lemon-avocado
File name:cron
Download: download sample
Signature Mirai
File size:105'759 bytes
First seen:2025-07-15 05:14:43 UTC
Last seen:2025-07-16 02:48:21 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:DQhkgxxSAcSQrXqOl+cDUVnxtro7nmpFithVnrlTxgT:DUMLaO+cDULtro7nmpFithVnrlTxgT
TLSH T1B5A32D42E647C6B3C4430AF212A7AA6A4921BD7B0D3A5E45F32C7DF4AF324C87215F65
telfhash t185316621953546142fb2d928acfc56b30532272323556f71af25c5cc49260e1e93de4f
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Collects information on the CPU
Launching a process
Collects information on the OS
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Suricata IDS alerts for network traffic
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736710 Sample: cron.elf Startdate: 15/07/2025 Architecture: LINUX Score: 96 37 206.123.128.67, 51846, 51848, 51850 LEASEWEB-USA-NYC-11US United States 2->37 39 109.202.202.202, 80 INIT7CH Switzerland 2->39 41 2 other IPs or domains 2->41 43 Suricata IDS alerts for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 4 other signatures 2->49 9 cron.elf 2->9         started        signatures3 process4 signatures5 53 Opens /proc/net/* files useful for finding connected devices and routers 9->53 12 cron.elf 9->12         started        process6 process7 14 cron.elf sh 12->14         started        16 cron.elf sh 12->16         started        18 cron.elf sh 12->18         started        20 59 other processes 12->20 process8 22 sh killall 14->22         started        25 sh killall 16->25         started        27 sh killall 18->27         started        29 sh killall 20->29         started        31 sh killall 20->31         started        33 sh killall 20->33         started        35 56 other processes 20->35 signatures9 51 Terminates several processes with shell command 'killall' 22->51
Threat name:
Linux.Backdoor.Bashlite
Status:
Malicious
First seen:
2025-07-15 05:15:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Reads system network configuration
Enumerates running processes
Reads system routing table
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_83715433 Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_f51c5ac3 Linux_Trojan_Gafgyt_27de1106 Linux_Trojan_Gafgyt_1b2e2a3a Linux_Trojan_Gafgyt_9127f7be elf_bashlite_auto
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_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_1b2e2a3a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_27de1106
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_83715433
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9127f7be
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f51c5ac3
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 12c79d5ea1377d53974f2a1327bea182e39d5ea4268d7129ca3d18e7fc3c75b2

(this sample)

  
Delivery method
Distributed via web download

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