MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cfafabca30db3ed06a64a8e59c41bc926509eb3931f72fa829e20ae26007f6e. 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: 9


Intelligence 9 IOCs YARA 20 File information Comments

SHA256 hash: 4cfafabca30db3ed06a64a8e59c41bc926509eb3931f72fa829e20ae26007f6e
SHA3-384 hash: 012f75df233f6b52468879cae864882b7ae4840e65bbdbb699c52743bec4bb352a46459e05f8a5b86259a2a5e73381ef
SHA1 hash: 1fa9d24638633028947d47133850c0a0dfc44a1b
MD5 hash: 8eeb97ca60c4b1d6cd474c41068dccef
humanhash: ack-comet-hotel-orange
File name:morte.x86
Download: download sample
Signature Mirai
File size:100'564 bytes
First seen:2026-08-01 21:40:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:romRqozBnO115B3k7myNqhwN3J03g4aKBtlgALf5SZ+Zw4Bu:0mDg3U7myNq+N3JyXVtXD5+4Bu
TLSH T194A36CD6F283D4F5EC2241303076FB379E72E5BA2129DD83D7A49663BC62A42D406E5C
telfhash t104312ff972bb0ce897c06903f60a6b30bd5c67bb105036b604f7283a365250152bbd39
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 6e98a699aa04d16173a136629aa5df6f2e690c9f1292e433d4ea3a96fc27453d
File size (compressed) :45'104 bytes
File size (de-compressed) :100'564 bytes
Format:linux/i386
Packed file: 6e98a699aa04d16173a136629aa5df6f2e690c9f1292e433d4ea3a96fc27453d

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Receives data from a server
Sends data to a server
Connection attempt
Runs as daemon
DNS request
Changes access rights for a file
Changes access rights for a written file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-01T19:52:00Z UTC
Last seen:
2026-08-01T21:33:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=84450038-1b00-0000-cd57-1af48a080000 pid=2186 /usr/bin/sudo guuid=7fc1243a-1b00-0000-cd57-1af48f080000 pid=2191 /tmp/sample.bin net guuid=84450038-1b00-0000-cd57-1af48a080000 pid=2186->guuid=7fc1243a-1b00-0000-cd57-1af48f080000 pid=2191 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=7fc1243a-1b00-0000-cd57-1af48f080000 pid=2191->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=7487543a-1b00-0000-cd57-1af490080000 pid=2192 /tmp/sample.bin guuid=7fc1243a-1b00-0000-cd57-1af48f080000 pid=2191->guuid=7487543a-1b00-0000-cd57-1af490080000 pid=2192 clone guuid=47dff966-1c00-0000-cd57-1af4320a0000 pid=2610 /tmp/sample.bin guuid=7fc1243a-1b00-0000-cd57-1af48f080000 pid=2191->guuid=47dff966-1c00-0000-cd57-1af4320a0000 pid=2610 clone guuid=5959ff66-1c00-0000-cd57-1af4330a0000 pid=2611 /tmp/sample.bin net send-data zombie guuid=7fc1243a-1b00-0000-cd57-1af48f080000 pid=2191->guuid=5959ff66-1c00-0000-cd57-1af4330a0000 pid=2611 clone guuid=da46263b-1b00-0000-cd57-1af492080000 pid=2194 /tmp/sample.bin guuid=7487543a-1b00-0000-cd57-1af490080000 pid=2192->guuid=da46263b-1b00-0000-cd57-1af492080000 pid=2194 clone guuid=605f2b3b-1b00-0000-cd57-1af493080000 pid=2195 /tmp/sample.bin dns net send-data zombie guuid=7487543a-1b00-0000-cd57-1af490080000 pid=2192->guuid=605f2b3b-1b00-0000-cd57-1af493080000 pid=2195 clone guuid=605f2b3b-1b00-0000-cd57-1af493080000 pid=2195->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1320B 3ace60d6-8589-5603-a291-ee1d731e4763 s3o65awrf56.net:12121 guuid=605f2b3b-1b00-0000-cd57-1af493080000 pid=2195->3ace60d6-8589-5603-a291-ee1d731e4763 send: 162B guuid=5959ff66-1c00-0000-cd57-1af4330a0000 pid=2611->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 55968B a4e02df3-c7fa-5be2-b410-afe687812c07 41.216.189.108:80 guuid=5959ff66-1c00-0000-cd57-1af4330a0000 pid=2611->a4e02df3-c7fa-5be2-b410-afe687812c07 send: 2034B
Gathering data
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-01 21:44:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
s3o65awrf56.net
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
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
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_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: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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 4cfafabca30db3ed06a64a8e59c41bc926509eb3931f72fa829e20ae26007f6e

(this sample)

  
Delivery method
Distributed via web download

Comments