MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cf96f99c29e59048801999ac9f251749be765f0e03979f0a723f715ef5e23cd. 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: 12


Intelligence 12 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4cf96f99c29e59048801999ac9f251749be765f0e03979f0a723f715ef5e23cd
SHA3-384 hash: 3cd8fb26b372a6dc3e8a685cf944f6b5bf2bdabdcec70f8e17294de24d6cb12b178f9b4e0dd4747819689527445214a6
SHA1 hash: f12414e5253cc553cf75ca3117c0a0ad06141890
MD5 hash: 002f8c376e2b7d22a0497e913b4ccf04
humanhash: fanta-mountain-river-echo
File name:morte.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:75'028 bytes
First seen:2025-10-29 15:54:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:+xWcbX4vYlToOvtOOc4/72D2CYVNhXdCo0ZEo:+kckvjOvtOP4CDLMddno
TLSH T123737CC5FA83C4F6E81205351277AB379AB3E53E2168CF83C379A676EC13502E91625C
telfhash t11031d4fb0abe0ceca7d0a940c31b5e51291ee77714a037b60563993423abdd3507ac78
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 4731101fbe28e0789efd1ba5f3aa509156c8eb18d64a8e4a76e86ee04645bd63
File size (compressed) :37'820 bytes
File size (de-compressed) :75'028 bytes
Format:linux/i386
Packed file: 4731101fbe28e0789efd1ba5f3aa509156c8eb18d64a8e4a76e86ee04645bd63

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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-7136016-0
Create hunting rule

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

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

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

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Sends data to a server
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin masquerade remote similar-threat
Link:
https://www.filescan.io/uploads/69026507a3d16310951fe060/reports/b7ac3f99-bf62-46f5-ba32-ca4907fe08a7/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-09T07:48:00Z UTC
Last seen:
2025-09-09T08:23:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4cf96f99c29e59048801999ac9f251749be765f0e03979f0a723f715ef5e23cd/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/beb0557a-b269-4b92-8b83-821527ddd243
Behavior Graph:
Download SVG
%3 guuid=1eb245a6-1a00-0000-e6c9-b718800c0000 pid=3200 /usr/bin/sudo guuid=ea2c5ba8-1a00-0000-e6c9-b718810c0000 pid=3201 /tmp/sample.bin net guuid=1eb245a6-1a00-0000-e6c9-b718800c0000 pid=3200->guuid=ea2c5ba8-1a00-0000-e6c9-b718810c0000 pid=3201 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=ea2c5ba8-1a00-0000-e6c9-b718810c0000 pid=3201->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=33719ca8-1a00-0000-e6c9-b718820c0000 pid=3202 /tmp/sample.bin guuid=ea2c5ba8-1a00-0000-e6c9-b718810c0000 pid=3201->guuid=33719ca8-1a00-0000-e6c9-b718820c0000 pid=3202 clone guuid=fc230dd6-1b00-0000-e6c9-b718850c0000 pid=3205 /tmp/sample.bin guuid=ea2c5ba8-1a00-0000-e6c9-b718810c0000 pid=3201->guuid=fc230dd6-1b00-0000-e6c9-b718850c0000 pid=3205 clone guuid=36e31ed6-1b00-0000-e6c9-b718860c0000 pid=3206 /tmp/sample.bin net send-data zombie guuid=ea2c5ba8-1a00-0000-e6c9-b718810c0000 pid=3201->guuid=36e31ed6-1b00-0000-e6c9-b718860c0000 pid=3206 clone guuid=19f5a7a8-1a00-0000-e6c9-b718830c0000 pid=3203 /tmp/sample.bin guuid=33719ca8-1a00-0000-e6c9-b718820c0000 pid=3202->guuid=19f5a7a8-1a00-0000-e6c9-b718830c0000 pid=3203 clone guuid=a181aea8-1a00-0000-e6c9-b718840c0000 pid=3204 /tmp/sample.bin dns net send-data zombie guuid=33719ca8-1a00-0000-e6c9-b718820c0000 pid=3202->guuid=a181aea8-1a00-0000-e6c9-b718840c0000 pid=3204 clone guuid=a181aea8-1a00-0000-e6c9-b718840c0000 pid=3204->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 108B a1a7e44c-f53d-520b-b2c8-ccb9907e473c uraniumc2.ddns.net:12121 guuid=a181aea8-1a00-0000-e6c9-b718840c0000 pid=3204->a1a7e44c-f53d-520b-b2c8-ccb9907e473c con guuid=36e31ed6-1b00-0000-e6c9-b718860c0000 pid=3206->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1080B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=36e31ed6-1b00-0000-e6c9-b718860c0000 pid=3206->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/80b485ba-0cbc-4dbc-8eb6-963f3a6b322c
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1804280
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1804280 Sample: morte.x86.elf Startdate: 29/10/2025 Architecture: LINUX Score: 68 22 uraniumc2.ddns.net 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 3 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 8 morte.x86.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 morte.x86.elf 8->12         started        14 morte.x86.elf 8->14         started        16 morte.x86.elf 8->16         started        process6 18 morte.x86.elf 12->18         started        20 morte.x86.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4cf96f99c29e59048801999ac9f251749be765f0e03979f0a723f715ef5e23cd
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4cf96f99c29e59048801999ac9f251749be765f0e03979f0a723f715ef5e23cd/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-19 00:26:00 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jt4w7goctzmqjcabtgnmt4srosn6ozpq4a4xt4fhep3rl326epgq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251029-xmcmhaa12e/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
uraniumc2.ddns.net
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/71b4194d-9d5e-472b-bad9-41269b4111b5
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
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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

sh 9b59367b40c376552f9e63f7c3abaec0d98459c567a30fa585dced860db2864f

Mirai

elf 4731101fbe28e0789efd1ba5f3aa509156c8eb18d64a8e4a76e86ee04645bd63

Mirai

elf 4cf96f99c29e59048801999ac9f251749be765f0e03979f0a723f715ef5e23cd

(this sample)

  
Dropped by
SHA256 4731101fbe28e0789efd1ba5f3aa509156c8eb18d64a8e4a76e86ee04645bd63
  
URLhaus
https://urlhaus.abuse.ch/url/3619576/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3620201/
  
URLhaus
https://urlhaus.abuse.ch/url/3622068/

Comments