MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f5dc3dbd08d5e45b06044e78fdb6f0ba3fcf5bb914463f53dbaaef706be0dc3. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 3f5dc3dbd08d5e45b06044e78fdb6f0ba3fcf5bb914463f53dbaaef706be0dc3
SHA3-384 hash: 2774658b31b929430977e024f409c9c8baaef12b624e98e6a41c1b7193a27dd500d7e966bb8363aaf31a05e223084b00
SHA1 hash: 41a15c7545b9750447c9ed1e96c088185d406b2b
MD5 hash: 66f00b94a05aab0117192182fb5528e8
humanhash: eighteen-fifteen-gee-oscar
File name:morte.arm
Download: download sample
Signature Mirai
File size:44'816 bytes
First seen:2025-11-26 17:29:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:mfKAiy2/oeIOxwzV2JT/E0MZQFn23pHTSwlRaenzsgVuTVk/dpGOYc3qWQwANIQ3:nBoeIsy2JT/RBfWfnzP4Vk/d09MqWFA9
TLSH T14813F17027AF692EE39A0A7407BD8AC732FD8EF495FEB337592442713A825060DC5295
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) :44'816 bytes
File size (de-compressed) :116'548 bytes
Format:linux/arm
Unpacked file: 80ce3ae7f03060ad4e4143aaffbdd3d1dbabad51d16183df48f2324d26f36cd2

Intelligence


File Origin
# of uploads :
1
# of downloads :
105
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-26T16:39:00Z UTC
Last seen:
2025-11-27T00:45:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Deletes system log files
Drops files in suspicious directories
Malicious sample detected (through community Yara rule)
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
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1821307 Sample: morte.arm.elf Startdate: 26/11/2025 Architecture: LINUX Score: 88 35 109.202.202.202, 80 INIT7CH Switzerland 2->35 37 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->37 39 2 other IPs or domains 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected Mirai 2->45 47 Sample is packed with UPX 2->47 10 morte.arm.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 morte.arm.elf 10->16         started        process6 18 morte.arm.elf 16->18         started        file7 33 /etc/init.d/sysd, POSIX 18->33 dropped 49 Sample tries to set files in /etc globally writable 18->49 51 Drops files in suspicious directories 18->51 53 Sample tries to persist itself using System V runlevels 18->53 22 morte.arm.elf 18->22         started        24 morte.arm.elf sh 18->24         started        signatures8 process9 process10 26 morte.arm.elf 22->26         started        29 morte.arm.elf 22->29         started        31 sh cp 24->31         started        signatures11 55 Manipulation of devices in /dev 26->55 57 Deletes system log files 26->57
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-26 17:30:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 24 (45.83%)
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: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: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 3f5dc3dbd08d5e45b06044e78fdb6f0ba3fcf5bb914463f53dbaaef706be0dc3

(this sample)

  
Delivery method
Distributed via web download

Comments