MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fef3322b0bccce5ec352e5db02cd42a65276025af73e2b693ef9eae61769eb0. 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: 10


Intelligence 10 IOCs YARA 18 File information Comments

SHA256 hash: 3fef3322b0bccce5ec352e5db02cd42a65276025af73e2b693ef9eae61769eb0
SHA3-384 hash: 6edd92ccfc4012ce171489bcc248aedb686a1cc7c471dd17246127903bd4bfd21d1ad720db677004e8cb03d6e270324d
SHA1 hash: de132177ea4054fcc98f782ec6d0044bccd4bcc4
MD5 hash: c55c622c9ac9f589b21c1883a01dd2e0
humanhash: two-six-mobile-lake
File name:debug
Download: download sample
Signature Mirai
File size:141'676 bytes
First seen:2025-10-31 22:07:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:tvSiZhU+FrpjGdu/ib1jFvW33H3zdRPFl:ZSifU+mdwXB9Fl
TLSH T1B1D36BC9E68FD0F5E85215753036FB365A73ED3A113EDA83C7A89A319CA3581C61A31C
telfhash t19e5138b9aa660ee95bd08803e28f5731fd0ee77b651475b205f31a743216a4291bbc38
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 12cabbdb30670981af5d505cdc66de4478ebb64e77e2ff156e5d0a7ab9341c52
File size (compressed) :58'076 bytes
File size (de-compressed) :141'676 bytes
Format:linux/i386
Packed file: 12cabbdb30670981af5d505cdc66de4478ebb64e77e2ff156e5d0a7ab9341c52

Intelligence


File Origin
# of uploads :
1
# of downloads :
41
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Opens a port
Sends data to a server
DNS request
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-31T20:17:00Z UTC
Last seen:
2025-11-02T11:58:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=e4d0789a-2000-0000-f6c4-75a75a0a0000 pid=2650 /usr/bin/sudo guuid=b95a8e9c-2000-0000-f6c4-75a7620a0000 pid=2658 /tmp/sample.bin net send-data guuid=e4d0789a-2000-0000-f6c4-75a75a0a0000 pid=2650->guuid=b95a8e9c-2000-0000-f6c4-75a7620a0000 pid=2658 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=b95a8e9c-2000-0000-f6c4-75a7620a0000 pid=2658->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1025B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=b95a8e9c-2000-0000-f6c4-75a7620a0000 pid=2658->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=7a446ed8-2000-0000-f6c4-75a7030b0000 pid=2819 /tmp/sample.bin dns net send-data guuid=b95a8e9c-2000-0000-f6c4-75a7620a0000 pid=2658->guuid=7a446ed8-2000-0000-f6c4-75a7030b0000 pid=2819 clone guuid=0720a605-2200-0000-f6c4-75a7210d0000 pid=3361 /tmp/sample.bin guuid=b95a8e9c-2000-0000-f6c4-75a7620a0000 pid=2658->guuid=0720a605-2200-0000-f6c4-75a7210d0000 pid=3361 clone guuid=7a446ed8-2000-0000-f6c4-75a7030b0000 pid=2819->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 205B 835e2637-8ea8-5733-9bcd-e417a3d56db3 lolzzmortex.duckdns.org:69 guuid=7a446ed8-2000-0000-f6c4-75a7030b0000 pid=2819->835e2637-8ea8-5733-9bcd-e417a3d56db3 con guuid=8fa57dd8-2000-0000-f6c4-75a7040b0000 pid=2820 /tmp/sample.bin guuid=7a446ed8-2000-0000-f6c4-75a7030b0000 pid=2819->guuid=8fa57dd8-2000-0000-f6c4-75a7040b0000 pid=2820 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Uses dynamic DNS services
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1806018 Sample: debug.elf Startdate: 31/10/2025 Architecture: LINUX Score: 60 18 lolzzmortex.duckdns.org 2->18 20 169.254.169.254, 80 USDOSUS Reserved 2->20 22 4 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 8 debug.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 28 Uses dynamic DNS services 18->28 process4 process5 12 debug.elf 8->12         started        14 debug.elf 8->14         started        process6 16 debug.elf 12->16         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-10-31 22:25:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 23 (73.91%)
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
Malware Config
C2 Extraction:
lolzzmortex.duckdns.org
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
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_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
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:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 3fef3322b0bccce5ec352e5db02cd42a65276025af73e2b693ef9eae61769eb0

(this sample)

Comments