MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a784bca1c06349d29f0bc9f5f76a2e3a6cd87e7637b816b5f6b3311ff4c0d5b. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a784bca1c06349d29f0bc9f5f76a2e3a6cd87e7637b816b5f6b3311ff4c0d5b
SHA3-384 hash: 7601fcd1c861bd93adb54c300e6b6760ddeb2bae08c2d683679627897e8cc390c9791f79248dc029d85fc2aac7fef67d
SHA1 hash: 39686e4b7ef9c8a9377c5e0b70d1b516a3223e3f
MD5 hash: 96c5d6ba6cd1fa09720711227dbd752f
humanhash: cardinal-montana-wolfram-whiskey
File name:morte.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:184'024 bytes
First seen:2025-07-08 16:47:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:Fg03fuX4s9yuCaHsDe39uz3Z1pvqGlRuyurKGsvdM/9G2BmYwOxgY:Fg03f87CaHsDe39ujZ10G/u7rKGsVM/v
TLSH T142044B46EB408A13C4D72779B69F424633239B64D3EB330699286FB43F8679E0E67505
telfhash t141314e341b3555156ea1c924ecec97b2851e8b020745ae32cf3bc9dc081e08fe63ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 4c82c0b42b481f82ba5787395353f4fa6bf2fe7c26ca3df25030bb3af1636f88
File size (compressed) :68'816 bytes
File size (de-compressed) :184'024 bytes
Format:linux/arm
Packed file: 4c82c0b42b481f82ba5787395353f4fa6bf2fe7c26ca3df25030bb3af1636f88

Intelligence

File Origin
# of uploads :
1
# of downloads :
17
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686d4bdec9eb97473767a44flinux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Sets a written file as executable
Kills processes
Opens a port
Launching a process
Sends data to a server
Connection attempt
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin mirai remote
Link:
https://www.filescan.io/uploads/686d4be690b9181d715e0cf8/reports/db30466a-7b7e-45fe-b744-bd4a8a57ec7f/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f0b703df-a2f2-46c6-9e5a-e82ac7af65ff
Behavior Graph:
Download SVG
%3 guuid=d81e4268-1d00-0000-9366-c24e900a0000 pid=2704 /usr/bin/sudo guuid=1c07556a-1d00-0000-9366-c24e980a0000 pid=2712 /tmp/sample.bin guuid=d81e4268-1d00-0000-9366-c24e900a0000 pid=2704->guuid=1c07556a-1d00-0000-9366-c24e980a0000 pid=2712 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b0ca35d4-7321-45eb-9909-787e89a7949c
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1731194
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1731194 Sample: morte.arm7.elf Startdate: 08/07/2025 Architecture: LINUX Score: 100 40 109.202.202.202, 80 INIT7CH Switzerland 2->40 42 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->42 44 2 other IPs or domains 2->44 46 Antivirus detection for dropped file 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 2 other signatures 2->52 10 morte.arm7.elf 2->10         started        13 python3.8 dpkg 2->13         started        signatures3 process4 signatures5 62 Found strings related to Crypto-Mining 10->62 15 morte.arm7.elf 10->15         started        17 morte.arm7.elf 10->17         started        process6 process7 19 morte.arm7.elf 15->19         started        file8 36 /etc/init.d/sysd, POSIX 19->36 dropped 54 Sample tries to set files in /etc globally writable 19->54 56 Drops files in suspicious directories 19->56 58 Sample tries to persist itself using System V runlevels 19->58 23 morte.arm7.elf sh 19->23         started        25 morte.arm7.elf 19->25         started        signatures9 process10 signatures11 28 sh cp 23->28         started        60 Sample deletes itself 25->60 32 morte.arm7.elf 25->32         started        34 morte.arm7.elf 25->34         started        process12 file13 38 /usr/bin/.sh, ELF 28->38 dropped 64 Drops invisible ELF files 28->64 66 Drops files in suspicious directories 28->66 68 Manipulation of devices in /dev 32->68 70 Deletes system log files 32->70 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/6a784bca1c06349d29f0bc9f5f76a2e3a6cd87e7637b816b5f6b3311ff4c0d5b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a784bca1c06349d29f0bc9f5f76a2e3a6cd87e7637b816b5f6b3311ff4c0d5b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-08 16:48:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nj4exsq4ay2j2kpqxspv65vc4otm3b7hmn5yc227nmzrd72mbvnq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access defense_evasion discovery execution persistence
Link:
https://tria.ge/reports/250708-vbabwsxk18/
Behaviour
Command and Scripting Interpreter: Unix Shell
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
Deletes itself
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
Link:
https://app.threat.zone/submission/218debd0-ccc6-4ddf-8b25-1a7c90ce4e30
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/6a784bca1c06349d29f0bc9f5f76a2e3a6cd87e7637b816b5f6b3311ff4c0d5b

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
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
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 4c82c0b42b481f82ba5787395353f4fa6bf2fe7c26ca3df25030bb3af1636f88

Mirai

elf 6a784bca1c06349d29f0bc9f5f76a2e3a6cd87e7637b816b5f6b3311ff4c0d5b

(this sample)

  
Dropped by
SHA256 4c82c0b42b481f82ba5787395353f4fa6bf2fe7c26ca3df25030bb3af1636f88
  
URLhaus
https://urlhaus.abuse.ch/url/3570552/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 64bce807e9c9b968290695357fea3835
  
URLhaus
https://urlhaus.abuse.ch/url/3579407/

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