MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1859dec6d71240c2ca46d3016d44e9fe6151d7b7616cb5ced7221ee18cd81efa. 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 4 File information Comments

SHA256 hash: 1859dec6d71240c2ca46d3016d44e9fe6151d7b7616cb5ced7221ee18cd81efa
SHA3-384 hash: 750725f6ae36fef259d659e96eab3819c3998cc3aed853e691816eaf662ccb554811f17ab62675b56b505f7412b37b31
SHA1 hash: ec561b8bcf9917cc9c82b8d2acdbde534a9747fb
MD5 hash: 0df01020afdbca23f1687c15b5508f8b
humanhash: california-hydrogen-chicken-robert
File name:nz.arm
Download: download sample
Signature Mirai
File size:49'296 bytes
First seen:2026-07-22 18:59:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:rDH8Ctt+HInOH3n/hHg1HLTS4mGOf51KC5uVtTOzL:rDcCtIkO3n/hKS4mGO51KCQVtTOv
TLSH T1A123F12484067A60D7300533E85CCDDCAF69DFBC81EA3678429A23CA75B514628FEFD9
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) :49'296 bytes
File size (de-compressed) :128'492 bytes
Format:linux/arm
Unpacked file: f8f253076085d03baf6336eb2de85ec15274d1547f926654928c247bfa972a04

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
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
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-22T13:01:00Z UTC
Last seen:
2026-07-22T13:30:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=ca7101ed-1600-0000-9472-bbf3030d0000 pid=3331 /usr/bin/sudo guuid=3b96fbee-1600-0000-9472-bbf30a0d0000 pid=3338 /tmp/sample.bin guuid=ca7101ed-1600-0000-9472-bbf3030d0000 pid=3331->guuid=3b96fbee-1600-0000-9472-bbf30a0d0000 pid=3338 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1946757 Sample: nz.arm.elf Startdate: 22/07/2026 Architecture: LINUX Score: 84 26 cgur743.zapto.org 2->26 28 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->28 30 5 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 2 other signatures 2->38 8 nz.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 process4 process5 16 nz.arm.elf 8->16         started        18 nz.arm.elf 8->18         started        20 nz.arm.elf 8->20         started        process6 22 nz.arm.elf 16->22         started        24 nz.arm.elf 16->24         started       
Gathering data
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 1859dec6d71240c2ca46d3016d44e9fe6151d7b7616cb5ced7221ee18cd81efa

(this sample)

  
Delivery method
Distributed via web download

Comments