MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf2c0cf841a3711763d606cb2713611da2248ca021067e8846ea5a8eaca2bf62. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf2c0cf841a3711763d606cb2713611da2248ca021067e8846ea5a8eaca2bf62
SHA3-384 hash: 4dea85af61af89f8bc4b8f8298d7c65cdf4dd365e929d055253ad8fc7941dabde2ff1ae902371d964352c00dfc13f534
SHA1 hash: aac60f1ee0ff752660af8142226530a418e19af5
MD5 hash: 2a9483f861a98f70dc3f03c51eff8221
humanhash: moon-december-lithium-papa
File name:nwfaiehg4ewijfgriehgirehaughrarg.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:43'156 bytes
First seen:2025-08-19 21:15:14 UTC
Last seen:2025-08-20 20:00:24 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:LfcQ+l/zCodkjYUcEOseObzXom6Zyp1B7p+GIXpYpf84srUQpqnIfhaFs/JgGlze:Lq1OZjYdsom6c1pp+FXEMrUQtpaFEVJY
TLSH T1E413F1AF1F408095F510A4B60B904BE0CA734FDA8017CC76D7D77AE58A6A5A47CDB3A4
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) :43'156 bytes
File size (de-compressed) :114'196 bytes
Format:linux/mips
Unpacked file: e5497278a921642d4cf9cdc26cbc27673c301c3c44979d00ecda5d4f8aa8ff12

Intelligence

File Origin
# of uploads :
2
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Removes directories from a temporary directory
Changes access rights for a written file
Runs as daemon
Removes directories
Connection attempt
Deleting a recently created file
Sends data to a server
Changes access rights for a file
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/68a4e98dabfbaec318261610/reports/350464ae-3fc5-4705-b56f-fd3296dceb05/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/16b83a21-1726-4f04-944e-3843f933cd96
Behavior Graph:
Download SVG
%3 guuid=3d8cdc07-1a00-0000-84b7-8b2a1f130000 pid=4895 /usr/bin/sudo guuid=23160f0a-1a00-0000-84b7-8b2a27130000 pid=4903 /tmp/sample.bin guuid=3d8cdc07-1a00-0000-84b7-8b2a1f130000 pid=4895->guuid=23160f0a-1a00-0000-84b7-8b2a27130000 pid=4903 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a8935f3a-982e-4848-996d-7c88493d039b
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1760584
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1760584 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 19/08/2025 Architecture: LINUX Score: 64 25 anranapi.xyz 2->25 27 169.254.169.254, 80 USDOSUS Reserved 2->27 29 2 other IPs or domains 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Sample is packed with UPX 2->33 10 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 35 Performs DNS queries to domains with low reputation 25->35 process4 process5 14 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 10->14         started        process6 16 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 14->16         started        process7 18 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 16->18         started        process8 20 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 18->20         started        23 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 18->23         started        signatures9 37 Manipulation of devices in /dev 20->37 39 Deletes system log files 20->39
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cf2c0cf841a3711763d606cb2713611da2248ca021067e8846ea5a8eaca2bf62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf2c0cf841a3711763d606cb2713611da2248ca021067e8846ea5a8eaca2bf62/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/cf2c0cf841a3711763d606cb2713611da2248ca021067e8846ea5a8eaca2bf62
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-19 21:15:55 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4waz6cbunyroy6wa3fsoe3bdwrcjdfaeedh5ccg5jni5lfcx5ra._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250819-z4b4eagn4s/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Creates a large amount of network flows
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes system logs
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/00f4d6ea-0d7f-470e-ba8a-7902a8644cc8
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/cf2c0cf841a3711763d606cb2713611da2248ca021067e8846ea5a8eaca2bf62

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: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 cf2c0cf841a3711763d606cb2713611da2248ca021067e8846ea5a8eaca2bf62

(this sample)

Mirai

elf e5497278a921642d4cf9cdc26cbc27673c301c3c44979d00ecda5d4f8aa8ff12

  
Dropping
SHA256 e5497278a921642d4cf9cdc26cbc27673c301c3c44979d00ecda5d4f8aa8ff12
  
Dropping
MD5 d23f7fbd38610bd88662bd348a1cec29
  
URLhaus
https://urlhaus.abuse.ch/url/3606047/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3606060/

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