MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b4823fc3fddb835d23128f41c99a235164b82f9da1fcf380d11b29f1960c214. 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 3 File information Comments 1

SHA256 hash: 2b4823fc3fddb835d23128f41c99a235164b82f9da1fcf380d11b29f1960c214
SHA3-384 hash: b93613c93b0c918c74e375223fd6f8bab54bdc29f92ac1dd6d6606a3dccee0766976b2a50447ec29d2d484ba5b950109
SHA1 hash: b77c681b11d217af0591eeeb4b49e22bc3df638c
MD5 hash: c59c3b69f5e89d414dac775e51a9d36e
humanhash: stairway-crazy-berlin-north
File name:c59c3b69f5e89d414dac775e51a9d36e
Download: download sample
Signature Mirai
File size:162'698 bytes
First seen:2024-07-22 22:27:41 UTC
Last seen:2024-08-05 12:31:13 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:MFs/AlUAk8mBJfaAnZY4b7rUb4jC7GkLy3L3fnZeM/9N5mmMFPwKi5qJY:MGaWZY4b7uiCLyb3fngM/9vmmMFPwKit
TLSH T168F35B05EB40879BC0E22B76B6DB424A33239B54F7D733055928AFF43FC2B995E26116
telfhash t1bc210247f17f86696fb21824dc784bf501196b23a6527f71bf1ec2c8402e002ba26e5f
Reporter zbetcheckin
Tags:32 arm elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
111
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Changes the time when the file was created, accessed, or modified
Opens a port
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Changes access rights for a written file
DNS request
Launching a process
Kills critical processes
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android gcc lolbin mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
93
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Signature
Contains symbols with names commonly found in malware
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1478769 Sample: c6zGOni6Sc.elf Startdate: 23/07/2024 Architecture: LINUX Score: 60 31 conn.masjesu.zip 37.44.238.67, 443, 59378 HARMONYHOSTING-ASFR France 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Contains symbols with names commonly found in malware 2->35 9 c6zGOni6Sc.elf 2->9         started        signatures3 process4 process5 11 c6zGOni6Sc.elf 9->11         started        13 c6zGOni6Sc.elf 9->13         started        process6 15 c6zGOni6Sc.elf sh 11->15         started        17 c6zGOni6Sc.elf sh 11->17         started        19 c6zGOni6Sc.elf 13->19         started        21 c6zGOni6Sc.elf 13->21         started        process7 23 sh crontab 15->23         started        27 sh crontab 17->27         started        file8 29 /var/spool/cron/crontabs/tmp.RzQpMB, ASCII 23->29 dropped 37 Sample tries to persist itself using cron 23->37 39 Executes the "crontab" command typically for achieving persistence 23->39 signatures9
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-07-18 05:50:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Reads runtime system information
Creates/modifies Cron job
Enumerates running processes
Renames itself
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:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 2b4823fc3fddb835d23128f41c99a235164b82f9da1fcf380d11b29f1960c214

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-07-22 22:27:42 UTC

url : hxxp://37.44.238.67/bins/dNH2bI8fJhAP0Vfw4IN6qjMkpAaXaU9mAP