MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a40a99e486604245ac8c62a136ad22d2742d5e9fcdc270e6b7650d274b5e2045. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a40a99e486604245ac8c62a136ad22d2742d5e9fcdc270e6b7650d274b5e2045
SHA3-384 hash: 4b012029eb03b7251839592bdb503b3cc81ef10215e36c1f60f8e8a5160f05ecde99087170cfb76f0feca8f1f22874a6
SHA1 hash: bad3469d2c3bdf613be71e14ec4b74f838694ad3
MD5 hash: 4a20d9b7c6deb1ab043be0a85ed33753
humanhash: delta-mexico-alabama-mexico
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:78'472 bytes
First seen:2024-08-23 06:50:06 UTC
Last seen:2024-08-23 07:29:57 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:mCkKyL3SYIh5Vat84slgsRi6tc9DyYL0TDskFxP7BSCmyyw2KWthXw9mgUk+Q4:NoiYIRn4sGsg9bKP7B3myyw2KAhAv4
TLSH T19873123827A3A9E4F0D54A73A4BAB9CFF059E75B2B5E40E2916C0613241387FE17CD19
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter elfdigest
Tags:gafgyt mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
115
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999.21974.5797.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
89%
Tags:
anti-debug mirai packed upx
Link:
https://www.filescan.io/uploads/66c8315c7cae46ead5e73451/reports/a0f14caa-41b9-49f7-af82-c25eda438a2c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
91.92.241.244:80
Number of open files:
3
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
37215,2323,23
Full report:
https://elfdigest.com/brief/a40a99e486604245ac8c62a136ad22d2742d5e9fcdc270e6b7650d274b5e2045
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/080e1a1a-31a9-44b5-987e-6918e5b3576b
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1497896
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a40a99e486604245ac8c62a136ad22d2742d5e9fcdc270e6b7650d274b5e2045
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a40a99e486604245ac8c62a136ad22d2742d5e9fcdc270e6b7650d274b5e2045/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-08-23 06:51:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uqfjtzegmbbellemmkqtnljc2j2c2xu7zxbhbzvxmugsos26ebcq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet botnet discovery upx
Link:
https://tria.ge/reports/240823-hmg5nazgpa/
Behaviour
Reads runtime system information
Changes its process name
Unexpected DNS network traffic destination
Contacts a large (1377571) amount of remote hosts
Creates a large amount of network flows
Mirai
Malware Config
C2 Extraction:
scan.yerco.xyz
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/a40a99e486604245ac8c62a136ad22d2742d5e9fcdc270e6b7650d274b5e2045

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 (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf a40a99e486604245ac8c62a136ad22d2742d5e9fcdc270e6b7650d274b5e2045

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3123987/
  
Delivery method
Distributed via web download

Comments