MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f2b56323c032bd5451756261522894803e76d75113e9a5a141f008c5db506f2. 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
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SHA256 hash: 4f2b56323c032bd5451756261522894803e76d75113e9a5a141f008c5db506f2
SHA3-384 hash: 176fa4582afe9f0f039669a68cdccd0bb456e59b659735e3baa2a67a3bf6ef68124a946d2619783d2bf6839f2eec2646
SHA1 hash: d1fe0eb7edc717a1156e01fff0839d65fda8e001
MD5 hash: 0d5961768bca289ac192c6c889ad30de
humanhash: september-steak-beer-nine
File name:Cronarm7
Download: download sample
Signature Mirai
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File size:144'120 bytes
First seen:2022-04-07 04:50:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:plui7CTwBWdAix2Sls/PUP324DgZ6rUtG80hM/9zT7D:plui7CTuPSOHUP324DU6oG8eM/937D
TLSH T193E34C46EA418E13C4D5277ABAAF42493323A764D3DB33069D186FB43FC6B5E0E63506
telfhash t1c821fe3257305a265a61cd94c9eda3b2212c87066749ff33df31848c641909ee63bc4f
Reporter tolisec
Tags:mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-61.UNOFFICIAL
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Unix.Dropper.Mirai-7135925-0
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Unix.Dropper.Mirai-7135928-0
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Unix.Trojan.Mirai-9760303-0
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Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
obfuscated
Link:
https://www.filescan.io/uploads/624e6db8d53a7479daca01cd/reports/9666a8b5-01d0-4771-b08f-77da9b30c42a/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
103.136.42.186:80/bins
Number of open files:
86
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23,23023,2323
Full report:
https://elfdigest.com/brief/4f2b56323c032bd5451756261522894803e76d75113e9a5a141f008c5db506f2
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/29fb17a0-71b2-43ac-a8c7-68ee90d65d5d
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/972048
Signature
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Sample deletes itself
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 604544 Sample: Cronarm7 Startdate: 07/04/2022 Architecture: LINUX Score: 76 25 196.246.217.35 WANCOMPVTLTD-AS-APWancomPvtLtdPK South Africa 2->25 27 36.2.28.26 VECTANTARTERIANetworksCorporationJP Japan 2->27 29 98 other IPs or domains 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Mirai 2->33 35 Contains symbols with names commonly found in malware 2->35 37 Uses known network protocols on non-standard ports 2->37 8 Cronarm7 2->8         started        11 xfce4-session xfdesktop 2->11         started        13 xfce4-session xfdesktop 2->13         started        15 3 other processes 2->15 signatures3 process4 signatures5 39 Sample deletes itself 8->39 17 Cronarm7 8->17         started        process6 process7 19 Cronarm7 17->19         started        21 Cronarm7 17->21         started        23 Cronarm7 17->23         started       
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/4f2b56323c032bd5451756261522894803e76d75113e9a5a141f008c5db506f2/
Threat name:
Linux.Trojan.Mirai
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Status:
Malicious
First seen:
2022-04-04 17:52:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai discovery linux
Link:
https://tria.ge/reports/220407-ff96rabfe6/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Contacts a large (90077) amount of remote hosts
Creates a large amount of network flows
Modifies the Watchdog daemon
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/4f2b56323c032bd5451756261522894803e76d75113e9a5a141f008c5db506f2

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:SUSP_XORed_Mozilla
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Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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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 4f2b56323c032bd5451756261522894803e76d75113e9a5a141f008c5db506f2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2135261/
  
Delivery method
Distributed via web download

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