MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92117e88e20232d0fe9f1fd7fb7d12ea5adecf19b18e227ce6ce83d9f4376a99. 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

SHA256 hash: 92117e88e20232d0fe9f1fd7fb7d12ea5adecf19b18e227ce6ce83d9f4376a99
SHA3-384 hash: 4d6e89fb9af5b161827be03afbe749f13ba3858dd40fd5350979f802a4bdf6c7aa303eb69717ba91fe90ad6e3f3f5306
SHA1 hash: f8028f424e7601303680f42b988dc9160f5716da
MD5 hash: 092d7226a65881f4a47696d1253f4f44
humanhash: lemon-sweet-diet-fanta
File name:top1miku.arm
Download: download sample
Signature Mirai
File size:37'556 bytes
First seen:2025-07-15 17:44:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:ByEbJNWFVwDKhnbETj8MeCSvqwJjqDmfd6CEgoDZfTcwOCs3UozPh2:B9WFVqKhbEneJPOgoD5TnO/zPY
TLSH T17DF2E1213032B772C610647FAE368E037AE91B3492E3705537674B588C452AE5BFEBC6
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) :37'556 bytes
File size (de-compressed) :79'880 bytes
Format:linux/arm
Unpacked file: 4a7445d33d6735af49af997c98cdabb98b143f766475f28470cf4eeebed65933

Intelligence


File Origin
# of uploads :
1
# of downloads :
24
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
196.251.66.32/HBTs
Number of open files:
47
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=250419af-1900-0000-91dd-5274780c0000 pid=3192 /usr/bin/sudo guuid=286396b2-1900-0000-91dd-52747e0c0000 pid=3198 /tmp/sample.bin guuid=250419af-1900-0000-91dd-5274780c0000 pid=3192->guuid=286396b2-1900-0000-91dd-52747e0c0000 pid=3198 execve
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
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1737374 Sample: top1miku.arm.elf Startdate: 15/07/2025 Architecture: LINUX Score: 76 26 top1miku.duckdns.org. [malformed] 2->26 28 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->28 30 2 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 38 Sample is packed with UPX 2->38 8 dash rm top1miku.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash head 2->12         started        14 7 other processes 2->14 signatures3 40 Sends malformed DNS queries 26->40 42 Uses dynamic DNS services 26->42 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       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-15 17:45:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
top1miku.duckdns.org
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:SUSP_ELF_LNX_UPX_Compressed_File
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
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
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 92117e88e20232d0fe9f1fd7fb7d12ea5adecf19b18e227ce6ce83d9f4376a99

(this sample)

  
Delivery method
Distributed via web download

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