MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3694b78dbe4673734ef2e71e46870a0ee31629444b1a061041bd5d8a72cc6b3c. 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 14 File information Comments

SHA256 hash: 3694b78dbe4673734ef2e71e46870a0ee31629444b1a061041bd5d8a72cc6b3c
SHA3-384 hash: 7f270b9841f3277c65e50805cbee7bf09f51fed40009dca11d040e3a37d4d8e3cb732f605aaa529308667799e326a365
SHA1 hash: 02329ffd9c789fdf9b94753368f08760c973c4fa
MD5 hash: abebec698333075c395349dda793a125
humanhash: hydrogen-magnesium-three-seven
File name:meihao.x86
Download: download sample
Signature Mirai
File size:66'416 bytes
First seen:2025-10-29 15:07:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:5KHzXekGNgv9LctRfHPLvb7GiON/Y4HA2S7eZ:4HzXekGNgFmRPTv/Pm/YEr
TLSH T11A535DC8B643E9F5ED1006B43067FF33D636F03E226AEDD6D7A9A573A801A41A01725D
telfhash t11d21d5fa2e6e28d8a7f49904c24b2e41362ba63b656036e05573e435329bd411529c79
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 fde47f88b5cfaaa36b221a686d11e55e901e65043abcff2444af5dfe4f45348e
File size (compressed) :30'432 bytes
File size (de-compressed) :66'416 bytes
Format:linux/i386
Packed file: fde47f88b5cfaaa36b221a686d11e55e901e65043abcff2444af5dfe4f45348e

Intelligence


File Origin
# of uploads :
1
# of downloads :
31
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Runs as daemon
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated threat
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-09T20:22:00Z UTC
Last seen:
2025-08-11T06:57:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1804836 Sample: meihao.x86.elf Startdate: 30/10/2025 Architecture: LINUX Score: 100 29 156.100.80.131 XNSTGCA United States 2->29 31 156.124.100.131 XNSTGCA United States 2->31 33 99 other IPs or domains 2->33 35 Suricata IDS alerts for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 4 other signatures 2->41 8 meihao.x86.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 6 other processes 2->14 signatures3 process4 process5 16 meihao.x86.elf 8->16         started        18 wrapper-2.0 xfpm-power-backlight-helper 10->18         started        process6 20 meihao.x86.elf 16->20         started        23 meihao.x86.elf 16->23         started        25 meihao.x86.elf 16->25         started        27 3 other processes 16->27 signatures7 43 Sample tries to kill multiple processes (SIGKILL) 20->43
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-29 15:46:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (203518) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
lol.0x504.com
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135870-0
YARA:
n/a
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_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_389ee3e9
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_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Author:Florian Roth
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 3694b78dbe4673734ef2e71e46870a0ee31629444b1a061041bd5d8a72cc6b3c

(this sample)

  
Delivery method
Distributed via web download

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