MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea621a8e9c8e1faf6987d383771d2e70904543545d2dd5a4d163b869b3afd3ef. 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: ea621a8e9c8e1faf6987d383771d2e70904543545d2dd5a4d163b869b3afd3ef
SHA3-384 hash: edb258d7be02d15ed5a8dea17ec8c71e34e024f812a746a3b0ce1d9911d917cf172e3269af349b79175109022506d267
SHA1 hash: 9e7aa9a8afbf1317a114b78dcab52091b647456f
MD5 hash: 0be2e9199b8ed876d96af9bbe3fdb85d
humanhash: sad-mike-seventeen-fifteen
File name:Tsunami.arm
Download: download sample
Signature Mirai
File size:66'108 bytes
First seen:2025-05-12 22:12:23 UTC
Last seen:2025-05-12 23:44:59 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:WrkpGwue7fZLOCWwvfqBQZMYxm2Un1gvJhMka0is7kWEzF:WA01e7hhCSZMYxy18RXiVWEh
TLSH T136530237420094E1D674443A9CA84B150AE6B9FCFFF568F5A80015D412C9B7FF97E8AB
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) :66'108 bytes
File size (de-compressed) :192'768 bytes
Format:linux/arm
Unpacked file: 2c2e6f5cf497202d6b42d569ff3e16c2176a1fa7e26b70a3a823984765dbd918

Intelligence


File Origin
# of uploads :
2
# of downloads :
135
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
26
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
23
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1688440 Sample: Tsunami.arm.elf Startdate: 13/05/2025 Architecture: LINUX Score: 96 25 209.154.28.23, 23 ZAYO-6461US United States 2->25 27 68.143.116.75, 23 WINDSTREAMUS United States 2->27 29 98 other IPs or domains 2->29 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected Mirai 2->37 39 Sample is packed with UPX 2->39 8 Tsunami.arm.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 7 other processes 2->14 signatures3 process4 process5 16 Tsunami.arm.elf 8->16         started        19 Tsunami.arm.elf 8->19         started        21 Tsunami.arm.elf 8->21         started        signatures6 31 Sample tries to kill multiple processes (SIGKILL) 16->31 23 Tsunami.arm.elf 19->23         started        process7
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-05-12 22:13:09 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
Contacts a large (1665) amount of remote hosts
Mirai
Mirai family
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 ea621a8e9c8e1faf6987d383771d2e70904543545d2dd5a4d163b869b3afd3ef

(this sample)

  
Delivery method
Distributed via web download

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