MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90399eb76c5e6141b29b0e5dab45335abbd16be61aa619e7f978a9addbedfb60. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90399eb76c5e6141b29b0e5dab45335abbd16be61aa619e7f978a9addbedfb60
SHA3-384 hash: 60490b27e07c1b46d6b50de6369dd6043ebacb277c6c6b33e4a8180d135642d69013e11486eb51e56c0d32e256c8244e
SHA1 hash: 72d9f864d5761b5acd8ac3aba0d9718cf44a9e6a
MD5 hash: e5b7e3ab9afde32db892c2b4acbddd43
humanhash: montana-yellow-orange-cola
File name:morte.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:182'080 bytes
First seen:2025-11-23 09:38:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:l0jTZqzZ2XxwzhXtGZMuKaXxc0SCeXJHnro/ZphcrbVlKT+:l0X8mS1tKlKaXxc0SCQJLoRphcrbVlKK
TLSH T1E5041B49F9919F15C5C626FAFA6F414933125BB8D3EA3102CD149FB463CB88B0F7A606
telfhash t17801ab06ec489facfbe140ac8da6a26694b830d8260534559e79e2c90d53dc620d2d37
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 35c4d18ca800986a7662dcdbc6d2c7865d3567aadb1f08af05cf1e9cf41c1adc
File size (compressed) :67'636 bytes
File size (de-compressed) :182'080 bytes
Format:linux/arm
Packed file: 35c4d18ca800986a7662dcdbc6d2c7865d3567aadb1f08af05cf1e9cf41c1adc

Intelligence

File Origin
# of uploads :
1
# of downloads :
36
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
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Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7135996-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136017-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Unix.Packed.Botnet-6566031-0
Create hunting rule

Unix.Dropper.Botnet-6566040-0
Create hunting rule

Unix.Trojan.Gafgyt-6748839-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Opens a port
Changes access rights for a written file
Launching a process
Changes access rights for a file
Sets a written file as executable
Creating a file
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc masquerade rust
Link:
https://www.filescan.io/uploads/6922e506f96b58f0dc80baf8/reports/5578625b-4fbc-4e4d-8284-115706e65432/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c94fc0ee-9abf-46f0-afa3-28a90f306b1a
Behavior Graph:
Download SVG
%3 guuid=5e3519d5-1900-0000-4394-f639260d0000 pid=3366 /usr/bin/sudo guuid=f93db2d6-1900-0000-4394-f6392b0d0000 pid=3371 /tmp/sample.bin guuid=5e3519d5-1900-0000-4394-f639260d0000 pid=3366->guuid=f93db2d6-1900-0000-4394-f6392b0d0000 pid=3371 execve
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1819385
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819385 Sample: morte.arm7.elf Startdate: 23/11/2025 Architecture: LINUX Score: 100 39 54.247.62.1, 443, 57214 AMAZON-02US United States 2->39 41 daisy.ubuntu.com 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 49 2 other signatures 2->49 9 dash rm morte.arm7.elf 2->9         started        12 dash rm 2->12         started        14 dash head 2->14         started        16 8 other processes 2->16 signatures3 process4 file5 37 /usr/local/bin/infinitd, ELF 9->37 dropped 18 morte.arm7.elf 9->18         started        20 morte.arm7.elf 9->20         started        22 morte.arm7.elf sh 9->22         started        24 morte.arm7.elf sh 9->24         started        process6 process7 26 morte.arm7.elf 18->26         started        29 morte.arm7.elf 20->29         started        31 sh 22->31         started        33 sh 24->33         started        signatures8 51 Manipulation of devices in /dev 26->51 53 Deletes system log files 26->53 35 morte.arm7.elf 29->35         started        process9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/90399eb76c5e6141b29b0e5dab45335abbd16be61aa619e7f978a9addbedfb60
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/90399eb76c5e6141b29b0e5dab45335abbd16be61aa619e7f978a9addbedfb60/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-23 10:42:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sa4z5n3mlzqudmu3bzo2wrjtlk55c27gdktbtz7zpcu23w7n7nqa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion execution persistence privilege_escalation
Link:
https://tria.ge/reports/251123-mq146azjhk/
Behaviour
Command and Scripting Interpreter: Unix Shell
Modifies systemd
Write file to user bin folder
Deletes Audit logs
Deletes journal logs
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/eb6241d7-1588-4e7e-a77a-0df45f2e9da3
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/90399eb76c5e6141b29b0e5dab45335abbd16be61aa619e7f978a9addbedfb60

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Create hunting rule
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
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 35c4d18ca800986a7662dcdbc6d2c7865d3567aadb1f08af05cf1e9cf41c1adc

Mirai

elf 90399eb76c5e6141b29b0e5dab45335abbd16be61aa619e7f978a9addbedfb60

(this sample)

  
Dropped by
SHA256 35c4d18ca800986a7662dcdbc6d2c7865d3567aadb1f08af05cf1e9cf41c1adc
  
URLhaus
https://urlhaus.abuse.ch/url/3697763/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 63d5af2be34068f0ebf96a2363d50b05
  
URLhaus
https://urlhaus.abuse.ch/url/3702504/
  
URLhaus
https://urlhaus.abuse.ch/url/3597706/

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