MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21505123d2951771ff2a68b335070dd8071f5fd71b18b36cf305688eac4587f0. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21505123d2951771ff2a68b335070dd8071f5fd71b18b36cf305688eac4587f0
SHA3-384 hash: 9f83893393bf2661f83d1e917e53ef57ab78f18c7d2d3a7b68892e5104fdc5cf4f96d8af543178dd8f57ce7267145f87
SHA1 hash: 3594f943b9e8d0ca3a4641d6a5ca8fda1fd3fd68
MD5 hash: 44ad8123da52dde1073f5729d91cbfba
humanhash: carpet-utah-four-missouri
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:33'900 bytes
First seen:2022-01-15 06:00:06 UTC
Last seen:2022-01-15 07:33:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:vb9f+ksSN6GQWg6kqvbs1+bsRkM4zhGBeD0sXus3UozC:vb9fr6G1gxqsD54MBMDzC
TLSH T191E2F172A74AA55686D00C36C72D889B317302E6F28F32704A5C1F757FA806FA595F1F
Reporter tolisec
Tags:mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Fgt.5331.31884.25409.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/61e262eff2e8ec86fe005854/reports/f790aaf4-81a5-4d3c-bc92-d299753cb5f0/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
136.144.41.60:80/.s4y
Number of open files:
159
Number of processes launched:
14
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/21505123d2951771ff2a68b335070dd8071f5fd71b18b36cf305688eac4587f0
Behaviour
Firewall Changes
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
136.144.41.60:3074
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e5c7367e-cee1-4cdf-ae4b-08db43e35f74
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/921043
Signature
Deletes all firewall rules
Deletes security-related log files
Sample deletes itself
Sample is packed with UPX
Tries to stop the "iptables" service
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 553521 Sample: arm Startdate: 15/01/2022 Architecture: LINUX Score: 60 69 Sample is packed with UPX 2->69 12 arm 2->12         started        process3 process4 14 arm 12->14         started        16 arm 12->16         started        process5 18 arm 14->18         started        process6 20 arm 18->20         started        process7 22 arm sh 20->22         started        24 arm sh 20->24         started        26 arm sh 20->26         started        28 11 other processes 20->28 process8 30 sh service systemctl 22->30         started        33 sh rm 24->33         started        35 sh rm 26->35         started        37 sh iptables 28->37         started        39 sh service systemctl 28->39         started        41 sh rm 28->41         started        43 8 other processes 28->43 signatures9 71 Tries to stop the "iptables" service 30->71 45 service 30->45         started        47 service basename 30->47         started        49 service basename 30->49         started        51 service systemctl 30->51         started        73 Sample deletes itself 33->73 75 Deletes security-related log files 35->75 77 Deletes all firewall rules 37->77 53 service 39->53         started        55 service basename 39->55         started        57 service basename 39->57         started        59 service systemctl 39->59         started        process10 process11 61 service systemctl 45->61         started        63 service sed 45->63         started        65 service systemctl 53->65         started        67 service sed 53->67         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21505123d2951771ff2a68b335070dd8071f5fd71b18b36cf305688eac4587f0/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-01-15 06:00:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 27 (55.56%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/220115-gqd2qschb3/
Behaviour
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/21505123d2951771ff2a68b335070dd8071f5fd71b18b36cf305688eac4587f0

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 21505123d2951771ff2a68b335070dd8071f5fd71b18b36cf305688eac4587f0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1978270/
  
Delivery method
Distributed via web download

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