MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0c4bcacb3d81476ea457d9d36f2679e519336fbf493fa9879e6cf39279bb951. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a0c4bcacb3d81476ea457d9d36f2679e519336fbf493fa9879e6cf39279bb951
SHA3-384 hash: 4185cfe292c7151750a969d0ba94e981c50aa84c67b09be310a3b7cb39c5dc8e24e88a02d6798dfdf016e4c07397da0e
SHA1 hash: d9af0589f9df858c33d649d9508fbacff26a87c9
MD5 hash: b8e88f4691aaf8dd8811d770ec6aeb34
humanhash: louisiana-king-artist-eleven
File name:arm7-20220406-2027
Download: download sample
Signature Mirai
Create hunting rule
File size:139'648 bytes
First seen:2022-04-06 20:27:48 UTC
Last seen:2022-04-10 01:26:27 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:VlvpxlZa14tuzbHJYYQwYkVGhuRaBSrM/94Vzv:VlvXk4+HJYYQNYGMaBeM/9Czv
TLSH T1D6D33B46FA408B13C5D61B76FA9F414A3322DB54D3DB3306991C9FF43F86A5E0E26606
telfhash t17d21f121663195296e61cd649ced57b2112847136788af33df35c4cc25190eae63ac4f
Reporter tolisec
Tags:mirai

Intelligence

File Origin
# of uploads :
24
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Trojan.Mirai-7135981-0
Create hunting rule

Unix.Dropper.Mirai-7135987-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Dropper.Mirai-7540663-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug mirai obfuscated
Link:
https://www.filescan.io/uploads/624df82d40ce5db9f41ec66d/reports/7424d6f2-18bc-45c9-bded-6d7e1a3d1fed/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
194.31.98.171
Number of open files:
0
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
37215,52869,23
Full report:
https://elfdigest.com/brief/a0c4bcacb3d81476ea457d9d36f2679e519336fbf493fa9879e6cf39279bb951
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fe2103d3-b7d7-4a64-a425-68e891b11be2
Result
Threat name:
Mirai Moobot
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971916
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses known network protocols on non-standard ports
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 604404 Sample: arm7-20220406-2027 Startdate: 07/04/2022 Architecture: LINUX Score: 100 50 xbot.solutions 2->50 52 156.234.199.247 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 2->52 54 99 other IPs or domains 2->54 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 6 other signatures 2->62 9 systemd logrotate 2->9         started        11 systemd mandb arm7-20220406-2027 2->11         started        14 systemd install 2->14         started        16 systemd find 2->16         started        signatures3 process4 signatures5 18 logrotate sh 9->18         started        20 logrotate sh 9->20         started        22 logrotate gzip 9->22         started        24 logrotate gzip 9->24         started        64 Sample deletes itself 11->64 26 arm7-20220406-2027 11->26         started        process6 process7 28 sh invoke-rc.d 18->28         started        30 sh rsyslog-rotate 20->30         started        32 arm7-20220406-2027 26->32         started        34 arm7-20220406-2027 26->34         started        36 arm7-20220406-2027 26->36         started        38 2 other processes 26->38 process8 40 invoke-rc.d runlevel 28->40         started        42 invoke-rc.d systemctl 28->42         started        44 invoke-rc.d ls 28->44         started        46 invoke-rc.d systemctl 28->46         started        48 rsyslog-rotate systemctl 30->48         started       
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a0c4bcacb3d81476ea457d9d36f2679e519336fbf493fa9879e6cf39279bb951/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-04-06 20:28:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai discovery linux
Link:
https://tria.ge/reports/220406-y8zvlahgf7/
Behaviour
Contacts a large (262993) amount of remote hosts
Creates a large amount of network flows
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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla
Create hunting rule
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
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 a0c4bcacb3d81476ea457d9d36f2679e519336fbf493fa9879e6cf39279bb951

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2127682/
  
Delivery method
Distributed via web download

Comments