MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdfc33001f50da920fe8e53095cfa7abdedd3d8ad27a1640ea17f98b279254a9. 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: cdfc33001f50da920fe8e53095cfa7abdedd3d8ad27a1640ea17f98b279254a9
SHA3-384 hash: c1ad0fc6aee6a7257e9e1d62ab30f38e640fa588307cace4db2c0e246e0df695460dc307c475c83c61ceb925ea287e07
SHA1 hash: 2aa784249d129dc84d921345f53cb556ec5fdec1
MD5 hash: 6919a7533a7fe3f6324dc2ab3a7eaa6d
humanhash: angel-indigo-florida-sink
File name:db0fa4b8db0333367e9bda3ab68b8042.i686
Download: download sample
Signature Mirai
File size:82'800 bytes
First seen:2025-10-29 15:23:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:8tUqKVw7gnBIVVSOOP6o6xaQUEtMjtue/T5AG6ELCBnvC9IjgwM/:8qC8nOVkOOP6o6UqtQ/T5P1eZvC9s
TLSH T11683F7C1F98B85F1C5074934A0ABF63FCA31E97A007696ADEF8D6F35DB276019207249
telfhash t16521e6b91a332ce4b7d0ac06f21c97b01d2ebb7b481077e30ab29d582a95542537bd39
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 8f867bfb6df55c54b68be2c1943bf4b4ba8d748cc30fc9857c54bc263fc304ff
File size (compressed) :35'152 bytes
File size (de-compressed) :82'800 bytes
Format:linux/i386
Packed file: 8f867bfb6df55c54b68be2c1943bf4b4ba8d748cc30fc9857c54bc263fc304ff

Intelligence


File Origin
# of uploads :
1
# of downloads :
33
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Opens a port
Sends data to a server
DNS request
Connection attempt
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated threat
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-21T03:57:00Z UTC
Last seen:
2025-10-30T01:55:00Z 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: 1804076 Sample: db0fa4b8db0333367e9bda3ab68... Startdate: 29/10/2025 Architecture: LINUX Score: 100 29 212.57.220.9 KSUSA Saudi Arabia 2->29 31 41.210.237.5 movicel-asAO Angola 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 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 3 other processes 16->27 signatures7 43 Sample tries to kill multiple processes (SIGKILL) 20->43
Gathering data
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-08-30 09:37:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 36 (72.22%)
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 (194313) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
cnc.9257.org
bot.9257.org
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_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 cdfc33001f50da920fe8e53095cfa7abdedd3d8ad27a1640ea17f98b279254a9

(this sample)

  
Delivery method
Distributed via web download

Comments