MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a945feab855dacbf26b7c154c88de4bda43805103e8c76bf1c40c04d92b853a. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a945feab855dacbf26b7c154c88de4bda43805103e8c76bf1c40c04d92b853a
SHA3-384 hash: b6ad965460546cc3bb88a93a6834f1d1f2eef29663bc4e29b1d6cc366fee6973d08e6814e6d16357baae51deac935372
SHA1 hash: df9f5a355705b32c45db431877d835c2d8791466
MD5 hash: ee9d24a11185267497a5f048f501abed
humanhash: winter-october-avocado-kentucky
File name:b3astmode.arm7
Download: download sample
Signature Mirai
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File size:46'772 bytes
First seen:2022-04-22 09:50:03 UTC
Last seen:2022-04-22 10:47:13 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:3PcbqDstD/IeoWv8n2MqT2KGDx6E8kJyz9q3UELCnJuqam4Jar:yxtk3Y2KG/8kJyyLCnJ9aTEr
TLSH T13C23F19033469867D6B32C7BC54CBB0F672F853CE0D12753627A6378ADA1A0A676301B
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter tolisec
Tags:mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai.1429.30675.32378.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/62627b80c7f6e2c5442cfc89/reports/090f115f-c969-4935-8670-a49784a85115/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
185.44.81.9:80/beastmode
Number of open files:
52
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
5501,37215
Full report:
https://elfdigest.com/brief/2a945feab855dacbf26b7c154c88de4bda43805103e8c76bf1c40c04d92b853a
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
185.44.81.9:34241
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eced31d0-6428-423b-bbd7-901021e0d1e9
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/981295
Signature
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 613797 Sample: b3astmode.arm7 Startdate: 22/04/2022 Architecture: LINUX Score: 76 24 197.190.103.219 zain-asGH Ghana 2->24 26 66.88.54.248 XO-AS15US United States 2->26 28 98 other IPs or domains 2->28 30 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 3 other signatures 2->36 8 b3astmode.arm7 2->8         started        signatures3 process4 process5 10 b3astmode.arm7 8->10         started        12 b3astmode.arm7 8->12         started        14 b3astmode.arm7 8->14         started        process6 16 b3astmode.arm7 10->16         started        18 b3astmode.arm7 10->18         started        20 b3astmode.arm7 10->20         started        22 b3astmode.arm7 10->22         started       
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2a945feab855dacbf26b7c154c88de4bda43805103e8c76bf1c40c04d92b853a/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-04-22 09:52:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/220422-lw1vxabgd8/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Write file to user bin folder
Contacts a large (57262) amount of remote hosts
Creates a large amount of network flows
Modifies the Watchdog daemon
Writes file to system bin folder
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/2a945feab855dacbf26b7c154c88de4bda43805103e8c76bf1c40c04d92b853a

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_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 2a945feab855dacbf26b7c154c88de4bda43805103e8c76bf1c40c04d92b853a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2159872/
  
Delivery method
Distributed via web download

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