MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04a7c37ff3ca6f6473ca1843c1771a1eac9ab5455bb5a10a399b92ccf6abd30c. 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: 04a7c37ff3ca6f6473ca1843c1771a1eac9ab5455bb5a10a399b92ccf6abd30c
SHA3-384 hash: 6bf51b885e7c97529a64e827fd5205f5f641e2d04d2b565c5f1b4d1c96fb80c918ab9535dd7c1c7c6e649d9ae2f1261d
SHA1 hash: 4ff3b3b14114064028cfac076f376e3aa12f3a00
MD5 hash: 0a33d038cc5295eb056adcf25665b3eb
humanhash: crazy-friend-march-low
File name:morte.x86
Download: download sample
Signature Mirai
File size:83'220 bytes
First seen:2025-11-08 19:24:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zESkLgL+xsdwXYvPFnxjqulHbypfqjDogiUZSZKr:oSz+gJtx2mbyoPojs
TLSH T172838DD4AAC3D4F5FD1209751177AF3B9AB3E53E206ADA87C3A8E537EC02541A80725C
telfhash t1ab3108f61e7e1de4b7e45880c34e6f613a5de63b35a072a145b35d3022a7ed180bad34
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 15ed1c5c35d21f12674652697f8cbb5286467254b4fe9231a8340fbe81df2344
File size (compressed) :40'872 bytes
File size (de-compressed) :83'220 bytes
Format:linux/i386
Packed file: 15ed1c5c35d21f12674652697f8cbb5286467254b4fe9231a8340fbe81df2344

Intelligence


File Origin
# of uploads :
1
# of downloads :
47
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Runs as daemon
Opens a port
DNS request
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
37215,80
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-08T16:00:00Z UTC
Last seen:
2025-11-10T17:11:00Z UTC
Hits:
~100
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810718 Sample: morte.x86.elf Startdate: 08/11/2025 Architecture: LINUX Score: 88 28 teamc2.duckdns.org 2->28 30 197.221.56.219 xneeloZA South Africa 2->30 32 100 other IPs or domains 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 42 2 other signatures 2->42 8 morte.x86.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 40 Uses dynamic DNS services 28->40 process4 process5 12 morte.x86.elf 8->12         started        14 morte.x86.elf 8->14         started        16 morte.x86.elf 8->16         started        18 2 other processes 8->18 process6 20 morte.x86.elf 12->20         started        22 morte.x86.elf 12->22         started        24 morte.x86.elf 12->24         started        26 morte.x86.elf 12->26         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-08 19:25:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (371095) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 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_aa39fb02 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_aa39fb02
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
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 04a7c37ff3ca6f6473ca1843c1771a1eac9ab5455bb5a10a399b92ccf6abd30c

(this sample)

  
Delivery method
Distributed via web download

Comments