MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f992cb28bed2ddcb00f84a8b84ab0476e2930f3fe2ddcb900f185b7f2158767. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f992cb28bed2ddcb00f84a8b84ab0476e2930f3fe2ddcb900f185b7f2158767
SHA3-384 hash: 7b400e625703993234bc748557d9c75aad2c1c36ce98ffd499fdc59097ecfb2c68c780eb1d4fe9faa5065f39cfe45661
SHA1 hash: ca96676d3c10bcc99bd8fab64d29aa9647469591
MD5 hash: 6eddaca534e4400aa3be9dd48efe26ce
humanhash: carbon-music-delta-shade
File name:top1miku.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:58'120 bytes
First seen:2025-07-13 11:44:06 UTC
Last seen:2025-07-14 07:28:52 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:6QN4XRUU7MjRNQ0zr8eHm6P9k8Blr7/LIyz7:5aOU7MFGeHFPR/LIyn
TLSH T13A43F19720BBB422D634EE3AE390840674A41E34D0FD177A754864787977197DE3C72B
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) :58'120 bytes
File size (de-compressed) :153'216 bytes
Format:linux/arm
Unpacked file: 775020b66654d24e9d01820494a7ea850a27d4022e0dda6b8cd5ed2b2296f5ce

Intelligence

File Origin
# of uploads :
2
# of downloads :
19
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68739c17c9eb97473768ac67linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed upx
Link:
https://www.filescan.io/uploads/68739c15425a30d7acd88efb/reports/133ac005-a587-463e-93c7-e1ec61ea4bff/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/8f992cb28bed2ddcb00f84a8b84ab0476e2930f3fe2ddcb900f185b7f2158767
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/041fdbc3-30eb-48a5-9fc4-5127f1c1aca2
Behavior Graph:
Download SVG
%3 guuid=ab77edea-1900-0000-58fa-47bb7b0a0000 pid=2683 /usr/bin/sudo guuid=5c3699ed-1900-0000-58fa-47bb830a0000 pid=2691 /tmp/sample.bin guuid=ab77edea-1900-0000-58fa-47bb7b0a0000 pid=2683->guuid=5c3699ed-1900-0000-58fa-47bb830a0000 pid=2691 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f844f521-4f1d-4d52-9d69-94cfe8084b41
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1735221
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: 1735221 Sample: top1miku.arm.elf Startdate: 13/07/2025 Architecture: LINUX Score: 68 22 top1miku.duckdns.org. [malformed] 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 daisy.ubuntu.com 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Gafgyt 2->30 32 Sample is packed with UPX 2->32 8 top1miku.arm.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Sends malformed DNS queries 22->34 36 Uses dynamic DNS services 22->36 process4 process5 12 top1miku.arm.elf 8->12         started        14 top1miku.arm.elf 8->14         started        16 top1miku.arm.elf 8->16         started        process6 18 top1miku.arm.elf 12->18         started        20 top1miku.arm.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8f992cb28bed2ddcb00f84a8b84ab0476e2930f3fe2ddcb900f185b7f2158767
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f992cb28bed2ddcb00f84a8b84ab0476e2930f3fe2ddcb900f185b7f2158767/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-13 11:44:16 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=r6mszmul5uw5zmapqsulqsvqi5xcsmht7yw5zoia6gc3p4qvq5tq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/250713-nwapts1jt4/
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f7b05519-2497-4737-bf8d-f643f0d00f97
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/8f992cb28bed2ddcb00f84a8b84ab0476e2930f3fe2ddcb900f185b7f2158767

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

elf 8f992cb28bed2ddcb00f84a8b84ab0476e2930f3fe2ddcb900f185b7f2158767

(this sample)

Mirai

elf 775020b66654d24e9d01820494a7ea850a27d4022e0dda6b8cd5ed2b2296f5ce

  
URLhaus
https://urlhaus.abuse.ch/url/3581121/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 775020b66654d24e9d01820494a7ea850a27d4022e0dda6b8cd5ed2b2296f5ce
  
Dropping
MD5 8e74e189f0ae7b44354b4cc6421c8595

Comments