MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a8038c5c9841662552e945aedd2c7a70166c449fc36e807820da05ca652ec6f. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 3a8038c5c9841662552e945aedd2c7a70166c449fc36e807820da05ca652ec6f
SHA3-384 hash: d5a10503a11ae8184a808f3baa1c0b626333b2e2414ca3ec735973dcb6a941a0638abb8cc95d48bb9bc8fb9cb00ab31a
SHA1 hash: 4d2587aa3dd6bad1d6bca9e4b07927be92c5ce60
MD5 hash: 512a2b749aa3349d723bab576939b9c1
humanhash: low-vegan-south-alpha
File name:arm7-20240624-0235
Download: download sample
Signature Mirai
File size:72'856 bytes
First seen:2024-06-24 02:35:25 UTC
Last seen:2024-06-25 03:19:06 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Tl+vRC/b2qj8Mnm1Vrf0hnaf+Y5Dreyp8+eRnBUqTieiLiOfxNSZ+:c5Ib2qj/m1FZDyyS+edBhTieutpJ
TLSH T10A630154CB4EBC80DCA00727590A887BA336DFA084FC15BCDDBD3F9B04481827D972A9
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter elfdigest
Tags:mirai

Intelligence


File Origin
# of uploads :
7
# of downloads :
108
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
DNS request
Receives data from a server
Connection attempt
Runs as daemon
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
89%
Tags:
anti-debug mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
185.244.36.221
Number of open files:
2
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
37215
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1461434 Sample: arm7-20240624-0235.elf Startdate: 24/06/2024 Architecture: LINUX Score: 76 22 Malicious sample detected (through community Yara rule) 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 Yara detected Mirai 2->26 28 Sample is packed with UPX 2->28 8 arm7-20240624-0235.elf 2->8         started        process3 process4 10 arm7-20240624-0235.elf 8->10         started        process5 12 arm7-20240624-0235.elf 10->12         started        14 arm7-20240624-0235.elf 10->14         started        16 arm7-20240624-0235.elf 10->16         started        18 arm7-20240624-0235.elf 10->18         started        process6 20 arm7-20240624-0235.elf 12->20         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-06-24 02:36:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery upx
Behaviour
Unexpected DNS network traffic destination
Contacts a large (97441) 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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
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 3a8038c5c9841662552e945aedd2c7a70166c449fc36e807820da05ca652ec6f

(this sample)

  
Delivery method
Distributed via web download

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