MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2558e3a2f082bc6e2c2617861890f2e1a9f717c4b24e9917b223d6188f4d8e8f. 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 4 File information Comments

SHA256 hash: 2558e3a2f082bc6e2c2617861890f2e1a9f717c4b24e9917b223d6188f4d8e8f
SHA3-384 hash: 040bd1acb33aad4d8a6b1d5fc79214e5466618f5dcc6d8391a314e7af067ff645e0078a277ee84fcd8524f8e43094e37
SHA1 hash: 68ec0df109b0ac44c95c29e1bf3efd33e229c092
MD5 hash: 3d3f98a9784435552443c9f50e47242d
humanhash: nineteen-ack-zulu-nineteen
File name:na
Download: download sample
Signature Mirai
File size:93'208 bytes
First seen:2024-11-30 22:11:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:FFxqAyjBwfj8xkeZh1OLutvutMptx6D9TsEaD0wGEeAJGtK/gNhKK:FezBpxkeFOjh5agwQM/grKK
TLSH T18293B71E6E218FADF369833447B78E31A35933D632E1D685E26CD6101F6024E585FFA8
telfhash t140218e5c4a3823f547711c9d6aedfbb6e49130df4a225d378d10f86daa6cd429d00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
7
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:
92 / 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)
Sends malformed DNS queries
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1565873 Sample: na.elf Startdate: 30/11/2024 Architecture: LINUX Score: 92 35 shitrocket.dyn. [malformed] 2->35 37 hikvision.geek. [malformed] 2->37 39 105 other IPs or domains 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected Mirai 2->45 49 3 other signatures 2->49 10 na.elf 2->10         started        signatures3 47 Sends malformed DNS queries 37->47 process4 signatures5 51 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->51 13 na.elf 10->13         started        15 na.elf 10->15         started        17 na.elf 10->17         started        process6 process7 19 na.elf 13->19         started        21 na.elf 13->21         started        23 na.elf 15->23         started        25 na.elf 15->25         started        process8 27 na.elf 19->27         started        29 na.elf 19->29         started        31 na.elf 23->31         started        process9 33 na.elf 27->33         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-11-30 22:12:12 UTC
File Type:
ELF32 Big (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Unexpected DNS network traffic destination
Contacts a large (237129) 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: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 2558e3a2f082bc6e2c2617861890f2e1a9f717c4b24e9917b223d6188f4d8e8f

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments