MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ef7d08eb5036da436d6171ed940328835978a74aa3db1b02cea553002114216. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ef7d08eb5036da436d6171ed940328835978a74aa3db1b02cea553002114216
SHA3-384 hash: 70c176452df6ba60b94917d0f4113425390f781842301001cb1e96e572082e519757832197bea7523a2d4eb3809d3d50
SHA1 hash: 04a937c32674e74349b2f4e06ac005f8a11ba38e
MD5 hash: fb3b32c84299102c295940de094eec3a
humanhash: neptune-skylark-skylark-two
File name:db0fa4b8db0333367e9bda3ab68b8042.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:36'688 bytes
First seen:2025-08-21 01:32:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:iBWfcjEpKSFG71JMlsO0Nx2GIYb++LmXhijuNWWEf+jJ9WMi:iBQcj6LFQHAsV2JG+BxquNW+jq
TLSH T165F2E09EBD66BFA0CADC5EBCC9C937E17C46B2C2F59A978D83140909C385547728A0F0
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 mirai UPX
File size (compressed) :36'688 bytes
File size (de-compressed) :108'872 bytes
Format:linux/mipsel
Unpacked file: 3579aca84782efaf54590c8ba7aae8d1b960a374b0324c46d25aed31bd8a78aa

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
DNS request
Runs as daemon
Sends data to a server
Connection attempt
Substitutes an application name
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/54c64937-82f1-4b53-adfd-1f2b9877d8bd
Behavior Graph:
Download SVG
%3 guuid=530163b4-1900-0000-63af-90d9000b0000 pid=2816 /usr/bin/sudo guuid=2babe8b6-1900-0000-63af-90d9030b0000 pid=2819 /tmp/sample.bin guuid=530163b4-1900-0000-63af-90d9000b0000 pid=2816->guuid=2babe8b6-1900-0000-63af-90d9030b0000 pid=2819 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6aaaf08b-0f70-4af3-9ef2-a5a39d552267
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1761548
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4ef7d08eb5036da436d6171ed940328835978a74aa3db1b02cea553002114216
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4ef7d08eb5036da436d6171ed940328835978a74aa3db1b02cea553002114216/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4ef7d08eb5036da436d6171ed940328835978a74aa3db1b02cea553002114216
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-21 01:33:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j335bdvvanw2inwwc4pnsqbsra2zpctuvi63dmbm5jktaaqriila._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250821-bytjhadn5z/
Behaviour
Reads runtime system information
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (158143) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
cnc.9257.org
bot.9257.org
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8296699d-1384-4ede-9a42-973157c7cc75
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/4ef7d08eb5036da436d6171ed940328835978a74aa3db1b02cea553002114216

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 4ef7d08eb5036da436d6171ed940328835978a74aa3db1b02cea553002114216

(this sample)

Mirai

elf 3579aca84782efaf54590c8ba7aae8d1b960a374b0324c46d25aed31bd8a78aa

  
URLhaus
https://urlhaus.abuse.ch/url/3598089/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 3579aca84782efaf54590c8ba7aae8d1b960a374b0324c46d25aed31bd8a78aa
  
Dropping
MD5 c269c8188acb7dca299ea02c09b23d33

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