MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05b7d86ac9022a34d2ee2ab1cea518b12393ade094dbb75a0cb2ac9e487b29a4. 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 5 File information Comments

SHA256 hash: 05b7d86ac9022a34d2ee2ab1cea518b12393ade094dbb75a0cb2ac9e487b29a4
SHA3-384 hash: 68a84409361edd6c87025a167c36b0a6c82b542449e4445130ccc948b3ee939ed2bc717a4f464a3a8af44e7e126cca17
SHA1 hash: 81e3e9365a40ef01fe00e1179387a3f631a653b9
MD5 hash: cca0a72937da5605b9ad82d90e034488
humanhash: stream-ink-hotel-delta
File name:6
Download: download sample
Signature Mirai
File size:104'500 bytes
First seen:2025-01-09 17:26:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:A6nRDW7bSGQGq4Hv8gFl7akP1LzextkAvTynPBFv+KIR+xalefipaHfKYWnsyH:kzqmEkP1LzgbynJFv+KhgaHfjWBH
TLSH T1FFA3E88AF8816B11C5D515BBFE1F019A33479BA8E3EA7202DD241B6477CA91F0F27606
telfhash t147c080ed49741edd37d1c04854dd400c355c7d238c0a0c05d51cf60f54621d1309f827
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
107
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Connection attempt
Manages services
Creating a file
Creating a file in the %temp% directory
Kills processes
Opens a port
Changes access rights for a written file
Sends data to a server
Changes the time when the file was created, accessed, or modified
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1586892 Sample: 6.elf Startdate: 09/01/2025 Architecture: LINUX Score: 84 44 197.191.86.197 zain-asGH Ghana 2->44 46 157.179.149.241 WRHARPERUS Thailand 2->46 48 98 other IPs or domains 2->48 54 Suricata IDS alerts for network traffic 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 2 other signatures 2->60 10 6.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        17 7 other processes 2->17 signatures3 process4 signatures5 62 Sample tries to kill multiple processes (SIGKILL) 10->62 19 6.elf 10->19         started        process6 process7 21 6.elf 19->21         started        file8 42 /tmp/crontab.tmp, ASCII 21->42 dropped 24 6.elf sh 21->24         started        26 6.elf sh 21->26         started        28 6.elf sh 21->28         started        30 4 other processes 21->30 process9 process10 32 sh crontab 24->32         started        36 sh systemctl 26->36         started        38 sh systemctl 28->38         started        file11 40 /var/spool/cron/crontabs/tmp.8ZlXjU, ASCII 32->40 dropped 50 Sample tries to persist itself using cron 32->50 52 Executes the "crontab" command typically for achieving persistence 32->52 signatures12
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2025-01-09 17:27:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution persistence privilege_escalatio privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Changes its process name
Creates/modifies Cron job
Enumerates running processes
Modifies rc script
Modifies systemd
Contacts a large (69143) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
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 05b7d86ac9022a34d2ee2ab1cea518b12393ade094dbb75a0cb2ac9e487b29a4

(this sample)

  
Delivery method
Distributed via web download

Comments