MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83f7a131a8dac7239811b31b9221c38aff70429591b66963d7aa401b4b19f615. 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 19 File information Comments

SHA256 hash: 83f7a131a8dac7239811b31b9221c38aff70429591b66963d7aa401b4b19f615
SHA3-384 hash: 24531ec36725797ea407fb59db42c9277dcd28be0f7d624ef36f7d5b3a72d8294e67bab1f600c3fb3eaaeb9ea6444eff
SHA1 hash: 7c0acd138307d18873b7152c290e06f32edc6b9b
MD5 hash: 50503214c74d68a620725ae6733aa32a
humanhash: king-tennessee-lake-nebraska
File name:morte.x86_64
Download: download sample
Signature Mirai
File size:217'720 bytes
First seen:2025-11-23 10:29:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:qHkv5/WnYg/0twGXGz0DGfi5gQhPspyYORaAhkbWaeHk1o+gutGdc:wk9WYg/0twG60DGfiDy0EAh5HTu
TLSH T177244946B68084FDC5A5D078ABFBB036D874F06D6378764B23C4BE262E4DE609F39605
telfhash t1be618b742e91345ca1db8b49738ed52afe750404afea71e8de537dd5cc877880eb2812
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 f189743327fa6306e2a5f6c9842493b60b63942607cc0bef829ea2ed83ccc5e3
File size (compressed) :74'544 bytes
File size (de-compressed) :217'720 bytes
Format:linux/amd64
Packed file: f189743327fa6306e2a5f6c9842493b60b63942607cc0bef829ea2ed83ccc5e3

Intelligence


File Origin
# of uploads :
1
# of downloads :
38
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Sanesecurity.Malware.30435.LC.UNOFFICIAL
SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Unix.Trojan.Mirai-7100807-0
Unix.Dropper.Mirai-7135870-0
Unix.Dropper.Mirai-7135881-0
Unix.Dropper.Mirai-7135897-0
Unix.Dropper.Mirai-7135901-0
Unix.Dropper.Mirai-7135909-0
Unix.Trojan.Mirai-7135916-0
Unix.Dropper.Mirai-7135918-0
Unix.Dropper.Mirai-7135954-0
Unix.Dropper.Mirai-7135996-0
Unix.Dropper.Mirai-7136013-0
Unix.Dropper.Mirai-7136016-0
Unix.Dropper.Mirai-7136017-0
Unix.Dropper.Mirai-7136028-0
Unix.Dropper.Mirai-7136033-0
Unix.Dropper.Mirai-7136057-0
Unix.Dropper.Mirai-7355719-0
Unix.Dropper.Mirai-7540662-0
Unix.Trojan.Mirai-8025795-0
Unix.Trojan.Mirai-9807962-0
Unix.Trojan.Mirai-9808381-0
Unix.Dropper.Mirai-9977145-0
Unix.Dropper.Mirai-10007027-0
Unix.Trojan.Mirai-10009361-0
Unix.Packed.Botnet-6566031-0
Unix.Dropper.Botnet-6566040-0
Unix.Trojan.Gafgyt-6748839-0
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Kills processes
Launching a process
Creating a file
Changes access rights for a file
Runs as daemon
Sets a written file as executable
Opens a port
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=5747029e-1600-0000-687c-a5e34a0c0000 pid=3146 /usr/bin/sudo guuid=ccc7a79f-1600-0000-687c-a5e3500c0000 pid=3152 /tmp/sample.bin net write-config write-file guuid=5747029e-1600-0000-687c-a5e34a0c0000 pid=3146->guuid=ccc7a79f-1600-0000-687c-a5e3500c0000 pid=3152 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=ccc7a79f-1600-0000-687c-a5e3500c0000 pid=3152->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=77b9f99f-1600-0000-687c-a5e3510c0000 pid=3153 /usr/bin/dash guuid=ccc7a79f-1600-0000-687c-a5e3500c0000 pid=3152->guuid=77b9f99f-1600-0000-687c-a5e3510c0000 pid=3153 execve guuid=351151a0-1600-0000-687c-a5e3520c0000 pid=3154 /usr/bin/dash guuid=ccc7a79f-1600-0000-687c-a5e3500c0000 pid=3152->guuid=351151a0-1600-0000-687c-a5e3520c0000 pid=3154 execve guuid=e3fba4a0-1600-0000-687c-a5e3530c0000 pid=3155 /tmp/sample.bin zombie guuid=ccc7a79f-1600-0000-687c-a5e3500c0000 pid=3152->guuid=e3fba4a0-1600-0000-687c-a5e3530c0000 pid=3155 clone guuid=6eaaa9a0-1600-0000-687c-a5e3540c0000 pid=3156 /tmp/sample.bin guuid=ccc7a79f-1600-0000-687c-a5e3500c0000 pid=3152->guuid=6eaaa9a0-1600-0000-687c-a5e3540c0000 pid=3156 clone guuid=f85caba0-1600-0000-687c-a5e3550c0000 pid=3157 /tmp/sample.bin guuid=e3fba4a0-1600-0000-687c-a5e3530c0000 pid=3155->guuid=f85caba0-1600-0000-687c-a5e3550c0000 pid=3157 clone guuid=4eeeb2a0-1600-0000-687c-a5e3560c0000 pid=3158 /tmp/sample.bin guuid=6eaaa9a0-1600-0000-687c-a5e3540c0000 pid=3156->guuid=4eeeb2a0-1600-0000-687c-a5e3560c0000 pid=3158 clone guuid=3c29f4a0-1600-0000-687c-a5e3570c0000 pid=3159 /tmp/sample.bin guuid=4eeeb2a0-1600-0000-687c-a5e3560c0000 pid=3158->guuid=3c29f4a0-1600-0000-687c-a5e3570c0000 pid=3159 clone
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1819429 Sample: morte.x86_64.elf Startdate: 23/11/2025 Architecture: LINUX Score: 100 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus detection for dropped file 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 3 other signatures 2->37 8 morte.x86_64.elf 2->8         started        process3 file4 29 /usr/local/bin/infinitd, ELF 8->29 dropped 11 morte.x86_64.elf 8->11         started        13 morte.x86_64.elf sh 8->13         started        15 morte.x86_64.elf sh 8->15         started        17 morte.x86_64.elf 8->17         started        process5 process6 19 morte.x86_64.elf 11->19         started        21 sh 13->21         started        23 sh 15->23         started        25 morte.x86_64.elf 17->25         started        process7 27 morte.x86_64.elf 19->27         started       
Threat name:
Linux.Trojan.LnxMirai
Status:
Malicious
First seen:
2025-11-23 10:42:50 UTC
File Type:
ELF64 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet discovery linux persistence privilege_escalation
Behaviour
Reads runtime system information
Enumerates running processes
Modifies systemd
Write file to user bin folder
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
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 83f7a131a8dac7239811b31b9221c38aff70429591b66963d7aa401b4b19f615

(this sample)

Comments