MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2d72c7d1e9d322e71f4e66e9b91ca0059019f0dc19613ef06402bcd1e3ebecd. 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: f2d72c7d1e9d322e71f4e66e9b91ca0059019f0dc19613ef06402bcd1e3ebecd
SHA3-384 hash: fc05d802a858693432a4ac2cda55e72684b444532cdf6f98c8259749c6f0ff2cb5b79ee75ac37cde9f6896433e264609
SHA1 hash: dfc43cb9484cbab9bda60f5f7f1dfcdd647f0489
MD5 hash: 2d06c04b6424e706063aebf485605b61
humanhash: venus-sodium-idaho-whiskey
File name:nz.arm
Download: download sample
Signature Mirai
File size:41'492 bytes
First seen:2026-07-07 04:46:54 UTC
Last seen:2026-07-07 06:43:33 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:Gp6WApzrv4NU7uNMaI/2PYWKbWIH8gcMU+hb2GPY+tFs3UozU:GpiTvSMKYWPsTrRIzU
TLSH T14013F124B4C02886EA704C7ADF5FC5C956BD47BFC3BB90146780854BBE89DD353B8286
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 UPX
File size (compressed) :41'492 bytes
File size (de-compressed) :93'252 bytes
Format:linux/arm
Unpacked file: 3ce156cb7416acc5199ac0e7035260530914603a11003b3d6b53e1d876ce9765

Intelligence


File Origin
# of uploads :
3
# of downloads :
103
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
File Type:
elf.32.le
First seen:
2026-07-07T00:58:00Z UTC
Last seen:
2026-07-08T19:20:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=4b718d7f-1900-0000-2a9d-f17e050f0000 pid=3845 /usr/bin/sudo guuid=d3228981-1900-0000-2a9d-f17e0e0f0000 pid=3854 /tmp/sample.bin guuid=4b718d7f-1900-0000-2a9d-f17e050f0000 pid=3845->guuid=d3228981-1900-0000-2a9d-f17e0e0f0000 pid=3854 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Drops files in suspicious directories
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1938295 Sample: nz.arm.elf Startdate: 07/07/2026 Architecture: LINUX Score: 80 59 109.202.202.202, 80 INIT7CH Switzerland 2->59 61 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEM-CapeRegionalMedicalCenterIncUS United States 2->61 63 3 other IPs or domains 2->63 69 Antivirus / Scanner detection for submitted sample 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 Sample is packed with UPX 2->73 10 systemd mandb 2->10         started        12 nz.arm.elf 2->12         started        14 dash rm 2->14         started        16 4 other processes 2->16 signatures3 process4 process5 18 mandb 10->18         started        20 mandb 10->20         started        22 mandb 10->22         started        26 877 other processes 10->26 24 nz.arm.elf 12->24         started        process6 28 mandb 18->28         started        30 mandb 20->30         started        32 mandb 22->32         started        34 nz.arm.elf 24->34         started        38 mandb 26->38         started        40 mandb 26->40         started        42 mandb 26->42         started        44 116 other processes 26->44 file7 57 /etc/init.d/sysd, POSIX 34->57 dropped 75 Sample tries to set files in /etc globally writable 34->75 77 Drops files in suspicious directories 34->77 79 Sample tries to persist itself using System V runlevels 34->79 46 nz.arm.elf 34->46         started        48 nz.arm.elf sh 34->48         started        signatures8 process9 process10 50 nz.arm.elf 46->50         started        53 nz.arm.elf 46->53         started        55 sh cp 48->55         started        signatures11 65 Manipulation of devices in /dev 50->65 67 Deletes system log files 50->67
Threat name:
Linux.Trojan.Svirtu
Status:
Malicious
First seen:
2026-07-07 04:47:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
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: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 f2d72c7d1e9d322e71f4e66e9b91ca0059019f0dc19613ef06402bcd1e3ebecd

(this sample)

  
Delivery method
Distributed via web download

Comments