MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b27894a4e5af6b4a507692dbdd7b8ddab58bb8a380784a47e577ac4f9c29dd5. 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 16 File information Comments

SHA256 hash: 4b27894a4e5af6b4a507692dbdd7b8ddab58bb8a380784a47e577ac4f9c29dd5
SHA3-384 hash: a1e54135b63a484688b31fef8f63afc20094f1c5cfe69e88511f9ec536db6ffe4ff451da2cae5ea23e948778766ca525
SHA1 hash: 3eba5a05cb3cde818a28830d1aca8218bc665c77
MD5 hash: cff95d66d33519fc872891f14aedd1a3
humanhash: wolfram-utah-texas-two
File name:iwir64
Download: download sample
Signature Mirai
File size:155'608 bytes
First seen:2024-11-12 01:46:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Asp7i0q5xgrxhYqnxcwUQ3SIP1DPAvs1oW8S9qf7csnNtFG5IvJ2:AO7i0q5xgrxh9xc2jZMfn85IvJ
TLSH T167E34907B4C188FDC4DAC1744BAEB53BED35F49D1238B26B27D4AA222E4DE311E1DA54
telfhash t1a951ccb12d6c1824a1f7a776b347d9a5a8320a2518f130e9de37a9f5de523880e710a7
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

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Creating a file
Receives data from a server
DNS request
Opens a port
Sends data to a server
Substitutes an application name
Deletes a system binary file
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sample deletes itself
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-11-12 01:47:04 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Malware Config
C2 Extraction:
boats.dogmuncher.xyz
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
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 4b27894a4e5af6b4a507692dbdd7b8ddab58bb8a380784a47e577ac4f9c29dd5

(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_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments