MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 856140506ac3f3ed128dc4bdf81862e10f52d42dcd6ac8924f661e7cd7bfa63c. 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 2 File information Comments

SHA256 hash: 856140506ac3f3ed128dc4bdf81862e10f52d42dcd6ac8924f661e7cd7bfa63c
SHA3-384 hash: 0aaaa1754699b4d3ef0fa4897de16b8691da077e1208a45c7d4ec4c82f1d831ac6acde639e78ad95820414af74869c7b
SHA1 hash: 0a59287c92faf31c2091adcd46d57ec357c678ff
MD5 hash: 39181fcf07eb644abcc029c0fabd46b9
humanhash: fifteen-maryland-happy-river
File name:morte.arm
Download: download sample
Signature Mirai
File size:87'700 bytes
First seen:2025-12-03 04:48:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:1ZDqagQVwPMU/XHaL+edmqd9Pi4LkY9aqVbHRev0vpd:1NngQ+PMT+ekiV5LkYA0xPT
TLSH T1A5833B92FC819A5BC6C512B6FB2F028D371613A9E2DE3203DD259F11338AA2F0D7B555
telfhash t1a611126a47ca4e8c4fd0c55cd04fa46eac7c3060ef243189552d5b4ec2235c0b724c2d
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 6c4a1513af8d2c94ae0b6393f4d56d867fe407ce04f64ddb1148c69a50134622
File size (compressed) :37'904 bytes
File size (de-compressed) :87'700 bytes
Format:linux/arm
Packed file: 6c4a1513af8d2c94ae0b6393f4d56d867fe407ce04f64ddb1148c69a50134622

Intelligence


File Origin
# of uploads :
1
# of downloads :
23
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai rust
Result
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
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: 1825051 Sample: morte.arm.elf Startdate: 03/12/2025 Architecture: LINUX Score: 76 39 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->39 41 34.243.160.129, 443, 50540 AMAZON-02US United States 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 10 morte.arm.elf 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 8 other processes 2->16 signatures3 process4 process5 18 morte.arm.elf 10->18         started        20 wrapper-2.0 xfpm-power-backlight-helper 12->20         started        process6 22 morte.arm.elf 18->22         started        file7 37 /etc/init.d/sysd, POSIX 22->37 dropped 47 Sample tries to set files in /etc globally writable 22->47 49 Drops files in suspicious directories 22->49 51 Sample tries to persist itself using System V runlevels 22->51 26 morte.arm.elf 22->26         started        28 morte.arm.elf sh 22->28         started        signatures8 process9 process10 30 morte.arm.elf 26->30         started        33 morte.arm.elf 26->33         started        35 sh cp 28->35         started        signatures11 53 Deletes system log files 30->53 55 Sample tries to kill multiple processes (SIGKILL) 33->55
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136013-0
YARA:
n/a
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_Threat_d94e1020
Author:Elastic Security
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 856140506ac3f3ed128dc4bdf81862e10f52d42dcd6ac8924f661e7cd7bfa63c

(this sample)

  
Delivery method
Distributed via web download

Comments