MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bf5f1ecf1b1d84c30ef45537304c3d416ec239c89769f0fa986c67bbc1ee9d4. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bf5f1ecf1b1d84c30ef45537304c3d416ec239c89769f0fa986c67bbc1ee9d4
SHA3-384 hash: af91594b6461232fa2af12c93c8c3d61351aa83888cef80c6197659369e4b8b374f91af24e63f3e620bd30e8fe2a26b5
SHA1 hash: eef65cce26ee9eb4d917bec919e6aa14c7973e29
MD5 hash: 3386ec329fa22858481e373983443b98
humanhash: coffee-oven-colorado-august
File name:x86
Download: download sample
Signature Mirai
Create hunting rule
File size:55'632 bytes
First seen:2025-11-15 09:03:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:JeESt/basV2rcZhG6+hN7Tq9pW1ZzWOIaEjrqMds:JeESt/basVTg17Tq9w1ptXESC
TLSH T1DD436BC4F643D8F5EC8705702077FB379B72E1E52268D643D3B4D932AC52651E606A8C
telfhash t15821e2bf1e6709fcb3c4a898c32b62931679d273056132b401b3ad9923f2ec05169d3a
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28878.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28879.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28877.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Launching a process
Sends data to a server
DNS request
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/691841db5267bf36f8018ebc/reports/4865d5c0-943f-40bd-8c6e-d26e5d1adb25/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
44
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
37215
Full report:
https://elfdigest.com/brief/1bf5f1ecf1b1d84c30ef45537304c3d416ec239c89769f0fa986c67bbc1ee9d4
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-15T06:29:00Z UTC
Last seen:
2025-11-17T00:17:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/1bf5f1ecf1b1d84c30ef45537304c3d416ec239c89769f0fa986c67bbc1ee9d4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/00c1ed49-8bd4-4794-af6a-9ac733517066
Behavior Graph:
Download SVG
%3 guuid=22d67e1f-1a00-0000-4988-91c34b0d0000 pid=3403 /usr/bin/sudo guuid=4b153d21-1a00-0000-4988-91c3520d0000 pid=3410 /tmp/sample.bin net guuid=22d67e1f-1a00-0000-4988-91c34b0d0000 pid=3403->guuid=4b153d21-1a00-0000-4988-91c3520d0000 pid=3410 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=4b153d21-1a00-0000-4988-91c3520d0000 pid=3410->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e2846f21-1a00-0000-4988-91c3540d0000 pid=3412 /usr/bin/dash guuid=4b153d21-1a00-0000-4988-91c3520d0000 pid=3410->guuid=e2846f21-1a00-0000-4988-91c3540d0000 pid=3412 execve guuid=0556ad21-1a00-0000-4988-91c3560d0000 pid=3414 /tmp/sample.bin dns net send-data zombie guuid=4b153d21-1a00-0000-4988-91c3520d0000 pid=3410->guuid=0556ad21-1a00-0000-4988-91c3560d0000 pid=3414 clone guuid=0556ad21-1a00-0000-4988-91c3560d0000 pid=3414->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 33B fb431040-bd1b-53e3-953b-942f4864a9fb mientrung.click:4320 guuid=0556ad21-1a00-0000-4988-91c3560d0000 pid=3414->fb431040-bd1b-53e3-953b-942f4864a9fb send: 7B guuid=2d64b921-1a00-0000-4988-91c3570d0000 pid=3415 /tmp/sample.bin guuid=0556ad21-1a00-0000-4988-91c3560d0000 pid=3414->guuid=2d64b921-1a00-0000-4988-91c3570d0000 pid=3415 clone guuid=06b7bd21-1a00-0000-4988-91c3580d0000 pid=3416 /tmp/sample.bin net net-scan send-data guuid=0556ad21-1a00-0000-4988-91c3560d0000 pid=3414->guuid=06b7bd21-1a00-0000-4988-91c3580d0000 pid=3416 clone guuid=06b7bd21-1a00-0000-4988-91c3580d0000 pid=3416->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=06b7bd21-1a00-0000-4988-91c3580d0000 pid=3416|send-data send-data to 4097 IP addresses review logs to see them all guuid=06b7bd21-1a00-0000-4988-91c3580d0000 pid=3416->guuid=06b7bd21-1a00-0000-4988-91c3580d0000 pid=3416|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/db556054-c799-4d44-bd56-f80de4962e9c
Result
Threat name:
Mirai, Moobot
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1814599
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1814599 Sample: x86.elf Startdate: 15/11/2025 Architecture: LINUX Score: 100 18 mientrung.click 2->18 20 41.188.172.93, 37215 simbanet-tzTZ Tanzania United Republic of 2->20 22 99 other IPs or domains 2->22 24 Suricata IDS alerts for network traffic 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 5 other signatures 2->30 8 x86.elf 2->8         started        signatures3 process4 process5 10 x86.elf 8->10         started        12 x86.elf sh 8->12         started        process6 14 x86.elf 10->14         started        16 x86.elf 10->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/1bf5f1ecf1b1d84c30ef45537304c3d416ec239c89769f0fa986c67bbc1ee9d4
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1bf5f1ecf1b1d84c30ef45537304c3d416ec239c89769f0fa986c67bbc1ee9d4/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-15 09:03:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dp27d3hrwhmeymhpivjxgbgd2qloyi44rf3j6d5jq3dhxpa65hka._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251115-kz8t9adr7y/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Enumerates running processes
File and Directory Permissions Modification
Contacts a large (37883) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/d690df12-60a2-48b2-a9f7-97f71e7cd467
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
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
Rule name:unixredflags3
Create hunting rule
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 1bf5f1ecf1b1d84c30ef45537304c3d416ec239c89769f0fa986c67bbc1ee9d4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3708836/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3709548/

Comments