MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8b776d6a40c4c6864af7f46b124d1a2dace71626bd0196648bf0bc60e3673d6. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8b776d6a40c4c6864af7f46b124d1a2dace71626bd0196648bf0bc60e3673d6
SHA3-384 hash: 3e268bb45b5c2a76c6feda3369c3447a3dba49c091472db893ddc54ccdfaad32384da1d093b57086314ef2007f613b19
SHA1 hash: 013234d123c4668eb84ad405aa3485fc0cb9c535
MD5 hash: 784a985a82c4cf75be7e8c311dc29c8f
humanhash: cat-berlin-seventeen-oregon
File name:bot.arm7-20240413-0230
Download: download sample
Signature Mirai
Create hunting rule
File size:183'438 bytes
First seen:2024-04-13 02:30:38 UTC
Last seen:2024-04-14 22:39:33 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:A20TRTZoboF9+rFajcz8TCUXZ5INB8TGOBCBaGYoIM/RWnwct7:A2+ybofSFajcz8TCQ+B4GOBstFIM/RWT
TLSH T156042B46EA414B13C0D727B9FADF42453323979497EB73069528AFB43F8679E4E23902
telfhash t1e831eda19678512a99e1dc64d9ea57b2641b96161350fe33ee22c4cc280a44ff527c0f
Reporter elfdigest
Tags:mirai

Intelligence

File Origin
# of uploads :
9
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
DNS request
Sends data to a server
Connection attempt
Substitutes an application name
Deletes a system binary file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
bash lolbin mirai remote
Link:
https://www.filescan.io/uploads/6619ee6b6e53ce7981ed85ce/reports/2f79a7b5-c41f-4a39-a2d4-fd8378ae3c05/overview
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/03e92e36-b3cd-433e-825c-9579afca909a
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1425320
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Snort IDS alert for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b8b776d6a40c4c6864af7f46b124d1a2dace71626bd0196648bf0bc60e3673d6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8b776d6a40c4c6864af7f46b124d1a2dace71626bd0196648bf0bc60e3673d6/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-04-13 01:55:56 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xc3xnvvebrggqzfpp5dlcjgrulnm44lcnpibszsix4f4mdrwopla._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/240413-czp35sdd21/
Behaviour
Reads runtime system information
Enumerates running processes
Changes its process name
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/b8b776d6a40c4c6864af7f46b124d1a2dace71626bd0196648bf0bc60e3673d6

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
Rule name:Mirai_Unpack
Create hunting rule
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 b8b776d6a40c4c6864af7f46b124d1a2dace71626bd0196648bf0bc60e3673d6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2809908/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2789101/

Comments