MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3836b83153bac1932893cf87eaa72018e4f42a1819994801e228dab466f90468. 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 6 File information Comments

SHA256 hash: 3836b83153bac1932893cf87eaa72018e4f42a1819994801e228dab466f90468
SHA3-384 hash: c9f32ef8137ed9c7ad7d5b34d2e9d9e3826654f35328f479afab63639846fdb7548373b673002ee1cf1aa054a599d3bb
SHA1 hash: feb5891245cf55278268b8008b08cbbc74232ed0
MD5 hash: b84967d73937523f4da05ae82ea31869
humanhash: eighteen-massachusetts-venus-grey
File name:morte.mpsl
Download: download sample
Signature Mirai
File size:116'840 bytes
First seen:2025-07-08 18:08:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:dIsf3N5CgdnCCTAKU0OORn9ASPbghFuI8gvbKi5M1G15ZGAyPiBJLHP3TdVPOHh:SsLxdnCCTA7NDKi5Zr5NvPKh
TLSH T16EB3D409AF614EFBE86FCD3306EC074624CC661722B93B767574D828F64A64B16E3874
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 8b4c68dcaf952adcd66fd06cebca23bdbde513f497ad7a1fd2625f34abb71d8f
File size (compressed) :44'616 bytes
File size (de-compressed) :116'840 bytes
Format:linux/mipsel
Packed file: 8b4c68dcaf952adcd66fd06cebca23bdbde513f497ad7a1fd2625f34abb71d8f

Intelligence


File Origin
# of uploads :
1
# of downloads :
18
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Kills processes
Sets a written file as executable
Runs as daemon
Deletes a file
Sends data to a server
Connection attempt
Launching a process
Writes files to system directory
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet masquerade mirai obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=d394203d-1900-0000-7b0e-fbde650c0000 pid=3173 /usr/bin/sudo guuid=14002f40-1900-0000-7b0e-fbde670c0000 pid=3175 /tmp/sample.bin guuid=d394203d-1900-0000-7b0e-fbde650c0000 pid=3173->guuid=14002f40-1900-0000-7b0e-fbde670c0000 pid=3175 execve
Result
Threat name:
Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Sends malformed DNS queries
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1731274 Sample: morte.mpsl.elf Startdate: 08/07/2025 Architecture: LINUX Score: 100 37 abc.galaxias.cc. [malformed] 2->37 39 169.254.169.254, 80 USDOSUS Reserved 2->39 41 2 other IPs or domains 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for dropped file 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 51 3 other signatures 2->51 10 morte.mpsl.elf 2->10         started        13 python3.8 dpkg 2->13         started        signatures3 49 Sends malformed DNS queries 37->49 process4 signatures5 59 Found strings related to Crypto-Mining 10->59 15 morte.mpsl.elf 10->15         started        17 morte.mpsl.elf 10->17         started        process6 process7 19 morte.mpsl.elf 15->19         started        file8 33 /etc/init.d/sysd, POSIX 19->33 dropped 53 Sample tries to set files in /etc globally writable 19->53 55 Drops files in suspicious directories 19->55 57 Sample tries to persist itself using System V runlevels 19->57 23 morte.mpsl.elf sh 19->23         started        25 morte.mpsl.elf 19->25         started        signatures9 process10 process11 27 sh cp 23->27         started        31 morte.mpsl.elf 25->31         started        file12 35 /usr/bin/.sh, ELF 27->35 dropped 61 Drops invisible ELF files 27->61 63 Drops files in suspicious directories 27->63 signatures13
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-08 18:09:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet credential_access defense_evasion discovery persistence
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
abc.galaxias.cc
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
Mirai_Botnet_Malware
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 3836b83153bac1932893cf87eaa72018e4f42a1819994801e228dab466f90468

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments