MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a4b9455ce2a3e2ef604d0594bb805344491435b23f2f49aff89ff1113e0b31c. 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 2 File information Comments

SHA256 hash: 4a4b9455ce2a3e2ef604d0594bb805344491435b23f2f49aff89ff1113e0b31c
SHA3-384 hash: a93a7610262080f0cead4d3f4d7babcfa0bd7327eb676cac61c1ad72246ac54d4beb3a4d3fca5e26e9fa99e070a26618
SHA1 hash: 10bdb8b50ac75a4938b3ddf67d4b8d30f2a8407f
MD5 hash: c956d527788f5e2e427abc7005b9913a
humanhash: don-river-king-shade
File name:arm7
Download: download sample
Signature Mirai
File size:48'080 bytes
First seen:2025-11-29 04:05:53 UTC
Last seen:2025-11-29 07:23:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:f9p4OQrbFJ6eQAHV6PbLKwhUF6GyrCiuBDJ6W4mnyLIPzP0cJx09q3UELp:f9BLex16P60Anyr/YYW08Pb0YTLp
TLSH T1E823F1B0BB5634339B444830B45E6983613719F5B26F58D383A1CA787ADB6E52FF81C1
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) :48'080 bytes
File size (de-compressed) :111'756 bytes
Format:linux/arm
Unpacked file: 08dde2b08d538b279b0b863e399883ce020811a89269960fc56cfd3360f2f705

Intelligence


File Origin
# of uploads :
3
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Opens a port
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-29T00:42:00Z UTC
Last seen:
2025-11-29T12:00:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1822677 Sample: arm7.elf Startdate: 29/11/2025 Architecture: LINUX Score: 52 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 151.242.30.13, 12121, 49876, 49878 RASANAIR Iran (ISLAMIC Republic Of) 2->24 26 daisy.ubuntu.com 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Sample is packed with UPX 2->30 8 arm7.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 arm7.elf 8->12         started        14 arm7.elf 8->14         started        16 arm7.elf 8->16         started        process6 18 arm7.elf 12->18         started        20 arm7.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-29 04:06:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai 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:
teamc2.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: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 4a4b9455ce2a3e2ef604d0594bb805344491435b23f2f49aff89ff1113e0b31c

(this sample)

  
Delivery method
Distributed via web download

Comments