MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2381e2f2d0aae5612ce581156f362c65f5ff4794e09636fd0d20ad48494efe0f. 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: 2381e2f2d0aae5612ce581156f362c65f5ff4794e09636fd0d20ad48494efe0f
SHA3-384 hash: 50bf3e7e77410b5300a2ba164a5d05b401caf3c34365d770772abda5a2077b0ac43d1f58b8bcf3b56a9ae1e6001b29bb
SHA1 hash: fc1f388f6f886f4322aca15472a0c5ec259e4892
MD5 hash: 737c468017e71016d8b4c7a857cc7c7d
humanhash: four-fourteen-indigo-emma
File name:b3astmode.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:22'000 bytes
First seen:2022-04-16 08:00:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:MFX206yHsN1bGmfzgce2fYtoUz6iISkwyHYdQ/ACPbyLTEJ8vNNyH:u2/Wmf75YtoorpyHjDbyXE9H
TLSH T1D8A2D1D5AD729C67EEB6E0376B9E9C8AD3805DA1427813D9E56EC0A231FE20F4051DC8
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 :
1
# of downloads :
361
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-9784386-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Link:
https://www.filescan.io/uploads/625a77bf482f2f41cabae3ef/reports/9a6a9d01-ceff-4030-a254-3a827be74692/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
161.35.107.33:80/beastmode
Number of open files:
1
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
37215,5501
Full report:
https://elfdigest.com/brief/2381e2f2d0aae5612ce581156f362c65f5ff4794e09636fd0d20ad48494efe0f
Behaviour
no suspicious findings
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/c908854d-97f4-491f-b4bd-112ac53f9057
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/977651
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: 610138 Sample: b3astmode.x86 Startdate: 16/04/2022 Architecture: LINUX Score: 76 24 102.81.110.190 ZAINUGASUG Uganda 2->24 26 46.6.196.28 XFERAES Spain 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.x86 2->8         started        signatures3 process4 process5 10 b3astmode.x86 8->10         started        12 b3astmode.x86 8->12         started        14 b3astmode.x86 8->14         started        process6 16 b3astmode.x86 10->16         started        18 b3astmode.x86 10->18         started        20 b3astmode.x86 10->20         started        22 b3astmode.x86 10->22         started       
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2381e2f2d0aae5612ce581156f362c65f5ff4794e09636fd0d20ad48494efe0f/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2022-04-16 08:01:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
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/2381e2f2d0aae5612ce581156f362c65f5ff4794e09636fd0d20ad48494efe0f

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

File information

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

Web download

Mirai

elf 2381e2f2d0aae5612ce581156f362c65f5ff4794e09636fd0d20ad48494efe0f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2150151/
  
Delivery method
Distributed via web download

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