MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cfb7b778a712ca3b483bb1af4a4244449c6c8fbb89316288272e3d8c9ce90aa. 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: 13


Intelligence 13 IOCs YARA 18 File information Comments

SHA256 hash: 3cfb7b778a712ca3b483bb1af4a4244449c6c8fbb89316288272e3d8c9ce90aa
SHA3-384 hash: 9a655033a504f5e1be59d5e506350f248ae2be74c7f6ef829d6b161562dfa823d8461101757d54e83be4e6c24b649846
SHA1 hash: 8ca5156970d4317a4a07ebfa5e717a563b711af4
MD5 hash: 91054a5ceede13197c02895d0405839b
humanhash: salami-oranges-oven-winner
File name:db0fa4b8db0333367e9bda3ab68b8042.i686
Download: download sample
Signature Mirai
File size:74'512 bytes
First seen:2025-12-15 04:25:34 UTC
Last seen:2026-01-19 17:22:33 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:0/8IhWh7Iyvz7EydD3cXEq9AxPu+0v44xPuGWKL:0/VWqyb7EydD3GdqxEw4xPTp
TLSH T166731682F98B45F5D9074D3060ABF63FDA31E579407097ADEF4EAF34DA23A02911624E
telfhash t1bd1104fa1e360cd4b7c02442c24e6630794e97bf2a6032a301f31935327e99244bbd3a
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
File size (compressed) :33'528 bytes
File size (de-compressed) :74'512 bytes
Format:linux/i386
Packed file: 47e7f0fdd1ee38d00cc134014546c43db09eb2993bc1318cc76aaa64e595ea9f

Intelligence


File Origin
# of uploads :
3
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-15T02:24:00Z UTC
Last seen:
2025-12-15T05:36:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
80 / 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
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1832729 Sample: db0fa4b8db0333367e9bda3ab68... Startdate: 15/12/2025 Architecture: LINUX Score: 80 29 197.190.103.239 zain-asGH Ghana 2->29 31 197.190.238.226, 37215 zain-asGH Ghana 2->31 33 99 other IPs or domains 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 2 other signatures 2->41 8 db0fa4b8db0333367e9bda3ab68b8042.i686.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 db0fa4b8db0333367e9bda3ab68b8042.i686.elf 8->16         started        18 wrapper-2.0 xfpm-power-backlight-helper 10->18         started        process6 20 db0fa4b8db0333367e9bda3ab68b8042.i686.elf 16->20         started        23 db0fa4b8db0333367e9bda3ab68b8042.i686.elf 16->23         started        25 db0fa4b8db0333367e9bda3ab68b8042.i686.elf 16->25         started        27 db0fa4b8db0333367e9bda3ab68b8042.i686.elf 16->27         started        signatures7 43 Sample tries to kill multiple processes (SIGKILL) 20->43
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-15 04:26:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
28 of 38 (73.68%)
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 (104242) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
cnc.504.su
scan.504.su
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Dropper.Mirai-7135870-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_c8385b81 Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_3a85a418 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
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_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a85a418
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_c8385b81
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 3cfb7b778a712ca3b483bb1af4a4244449c6c8fbb89316288272e3d8c9ce90aa

(this sample)

  
Delivery method
Distributed via web download

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