MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4ec2cc59a8b9c3202fca10d0e9424bc4263cfac4d35f6028a30d22095cd8145. 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 5 File information Comments

SHA256 hash: b4ec2cc59a8b9c3202fca10d0e9424bc4263cfac4d35f6028a30d22095cd8145
SHA3-384 hash: 65b9893389b190b573d62e043472daeb55009c10509226eb57212ebc9fe0f238ddddb76e1befe383202818d857bfc263
SHA1 hash: e1057d8d5cbd07dc761425074b1fc4e8903be0d0
MD5 hash: 7bf55e541427198abb7f665c4f931ee5
humanhash: autumn-friend-solar-steak
File name:arm7
Download: download sample
Signature Mirai
File size:96'572 bytes
First seen:2024-12-01 02:16:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:yWnqxVtyHUL+58yUzQeBab1VEhxYhh99l5AiBuqaorocvSOZtYH0v4dj:QaUL+3UzQeBab1VEhx0HuqaoEcvSOnXW
TLSH T18F93094AA9819F01D5C631FAFBAE414933136FB8D3FA7101DD20AF6427CA9DB0E76512
telfhash t186d097211b92ab1823cac3a84243e2888804ffb3bb0400b2ee298a0f82024c0e61250b
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
97
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug expand gcc lolbin mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
37215
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1565973 Sample: arm7.elf Startdate: 01/12/2024 Architecture: LINUX Score: 88 30 156.158.248.172 airtel-tz-asTZ Tanzania United Republic of 2->30 32 41.60.37.66 ZOL-ASGB Mauritius 2->32 34 98 other IPs or domains 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 42 3 other signatures 2->42 9 arm7.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 signatures5 44 Sample reads /proc/mounts (often used for finding a writable filesystem) 9->44 16 arm7.elf 9->16         started        18 arm7.elf 9->18         started        20 arm7.elf 9->20         started        process6 process7 22 arm7.elf 16->22         started        24 arm7.elf 16->24         started        26 arm7.elf 18->26         started        process8 28 arm7.elf 22->28         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-12-01 03:27:49 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Unexpected DNS network traffic destination
Contacts a large (275030) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7355719-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
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_Threat_8299c877
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
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 b4ec2cc59a8b9c3202fca10d0e9424bc4263cfac4d35f6028a30d22095cd8145

(this sample)

  
Delivery method
Distributed via web download

Comments