MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b104a3beb80fdca00d22daca0ee8425fc8aac87e5773ec0ae132611d5c1048d. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b104a3beb80fdca00d22daca0ee8425fc8aac87e5773ec0ae132611d5c1048d
SHA3-384 hash: 35f6b3e5d3ec9999ded4c3f7ea863402e864ee946d99999799f2ebc46fb4e3065ab49734e464dffda7ed0d178f16a162
SHA1 hash: a7f72f576de45f51839eb5db3dc9fe503481b19b
MD5 hash: f7c58f9f6e409e42c91692e5813bf10a
humanhash: queen-romeo-delaware-blossom
File name:top1miku.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:58'200 bytes
First seen:2025-07-13 05:50:54 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:fLA/sfVMV4Qv0P/uoGg4d5q0yodzdQpCtjczLk2YcMMEZypbbL2lev6LoUUus3Uw:jlfVnqgQx3bZ5tIzLkC/cibaHLoBTzz
TLSH T1A643F16272913871CA81E870B95CCD647752EFFA84FEF247E418A19025D3908F3F65AB
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 abuse_ch
Tags:elf mirai UPX
File size (compressed) :58'200 bytes
File size (de-compressed) :153'216 bytes
Format:linux/arm
Unpacked file: 0646c4f60e7d094e94e16033922e25ce0384624ac70b325f60092c3220c49667

Intelligence

File Origin
# of uploads :
1
# of downloads :
19
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68734950900df8e7f86a5473linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/68734950425a30d7acd84871/reports/667f7851-cb18-4425-b362-82348dda89a6/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/8b104a3beb80fdca00d22daca0ee8425fc8aac87e5773ec0ae132611d5c1048d
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/54782802-83d1-4d44-8bce-105f4814d305
Behavior Graph:
Download SVG
%3 guuid=c9658258-1a00-0000-c150-c8b13e0a0000 pid=2622 /usr/bin/sudo guuid=b8a3c05a-1a00-0000-c150-c8b1450a0000 pid=2629 /tmp/sample.bin guuid=c9658258-1a00-0000-c150-c8b13e0a0000 pid=2622->guuid=b8a3c05a-1a00-0000-c150-c8b1450a0000 pid=2629 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb16b6b2-374d-4ad0-8d39-cb2e225e97aa
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1735108
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735108 Sample: top1miku.arm.elf Startdate: 13/07/2025 Architecture: LINUX Score: 68 26 top1miku.duckdns.org. [malformed] 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 5 other IPs or domains 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Gafgyt 2->34 36 Sample is packed with UPX 2->36 8 top1miku.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 38 Sends malformed DNS queries 26->38 40 Uses dynamic DNS services 26->40 process4 process5 16 top1miku.arm.elf 8->16         started        18 top1miku.arm.elf 8->18         started        20 top1miku.arm.elf 8->20         started        process6 22 top1miku.arm.elf 16->22         started        24 top1miku.arm.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8b104a3beb80fdca00d22daca0ee8425fc8aac87e5773ec0ae132611d5c1048d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b104a3beb80fdca00d22daca0ee8425fc8aac87e5773ec0ae132611d5c1048d/
Verdict:
Malicious
Threat:
Linux.Backdoor.Mirai
Link:
https://tip.neiki.dev/file/8b104a3beb80fdca00d22daca0ee8425fc8aac87e5773ec0ae132611d5c1048d
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-13 05:51:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rmieuo7lqd64uagsfwwkb3ueex6ivleh4v3t5qfocmtbdvobasgq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/250713-gj7epsyls7/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/319310ae-b0e5-4a33-a98d-2cb3fb1ef14a
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/8b104a3beb80fdca00d22daca0ee8425fc8aac87e5773ec0ae132611d5c1048d

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 (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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

sh 068540494a1d92ba7fce68acf8197cac6cf34cc4a6bbb9aa21f78a97682492bc

Mirai

elf 8b104a3beb80fdca00d22daca0ee8425fc8aac87e5773ec0ae132611d5c1048d

(this sample)

Mirai

elf 0646c4f60e7d094e94e16033922e25ce0384624ac70b325f60092c3220c49667

  
URLhaus
https://urlhaus.abuse.ch/url/3581121/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 0646c4f60e7d094e94e16033922e25ce0384624ac70b325f60092c3220c49667
  
Dropping
MD5 64d0ac85bade5a95eafec729f2424041
  
Dropped by
SHA256 068540494a1d92ba7fce68acf8197cac6cf34cc4a6bbb9aa21f78a97682492bc
  
Dropped by
MD5 b59e0fb7b704f4eaa6881fadce07ba71
  
URLhaus
https://urlhaus.abuse.ch/url/3579487/

Comments