MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2eeff174c2e6166e424fe4da015618af8bd182d4634bda0bb9e4ccbc5dea857. 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 9 File information Comments

SHA256 hash: b2eeff174c2e6166e424fe4da015618af8bd182d4634bda0bb9e4ccbc5dea857
SHA3-384 hash: ecd71905a6c40666e80e9204198d891d672095ae4d1616194ff1af2654f10e9df162741a949c737181be382ef392a73d
SHA1 hash: f6c4ab31cd9636264cca69489cafd4ec8055b54c
MD5 hash: 3554743625dbb7f58fca1375b3e76b28
humanhash: speaker-crazy-carbon-fish
File name:arm5
Download: download sample
Signature Mirai
File size:133'888 bytes
First seen:2025-05-03 08:36:06 UTC
Last seen:2025-05-04 03:36:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:WQmiGZEBG50uGdNtLn/D1N+14AlvN4VHavTTzFhIubN21budeLhlkqwyw7FJG+G1:WQT+U/5k14Q4kv/zFhIVbusbYct
TLSH T175D30845FC415B23C6D612BBFB5E428D3B2917E8D3EE720399216F60379685B0E37A42
telfhash t1e9119b3a5f981edc57e09dd6c3deb4243ba6705eeb112417899b194ec262ac1b12d443
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 elfdigest
Tags:mirai

Intelligence


File Origin
# of uploads :
12
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin remote
Result
Threat name:
Gafgyt, Mirai, Okiru
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1680473 Sample: arm5.elf Startdate: 03/05/2025 Architecture: LINUX Score: 100 14 nnbotnet.duckdns.org 2->14 16 Malicious sample detected (through community Yara rule) 2->16 18 Antivirus / Scanner detection for submitted sample 2->18 20 Multi AV Scanner detection for submitted file 2->20 24 3 other signatures 2->24 8 arm5.elf 2->8         started        signatures3 22 Uses dynamic DNS services 14->22 process4 process5 10 arm5.elf 8->10         started        process6 12 arm5.elf 10->12         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-05-03 08:37:09 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Malware Config
C2 Extraction:
nnbotnet.duckdns.org
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: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_3bcc1630
Author:Elastic Security
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 b2eeff174c2e6166e424fe4da015618af8bd182d4634bda0bb9e4ccbc5dea857

(this sample)

  
Delivery method
Distributed via web download

Comments