MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9ed184d63a95c9f44066bb0f9f48f0fa63ea3739413b2292ccec3530cd518ad. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d9ed184d63a95c9f44066bb0f9f48f0fa63ea3739413b2292ccec3530cd518ad
SHA3-384 hash: 389d993498d44b4add74c0ddf7332825da7a1127871916572ab3c26d5d660278c95489cd1dca6a42716a3069e19074bf
SHA1 hash: 5656019ece60edf029bcdb07c1bac14a8dee0fc0
MD5 hash: 17dcf536cf3041e1d717246143726df8
humanhash: item-berlin-glucose-california
File name:hold.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:71'024 bytes
First seen:2025-01-27 12:36:51 UTC
Last seen:2025-02-11 03:30:13 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:G9fJyFmK8IWDIVGFtzpIUUz1HwccWgDagkkygJiLsJrpWSK:G9ByFmK8ISF0z1HKdDOkyEiA1U
TLSH T184635AC4E983DCF5FD2A05742233E7379B32F53A1229CA47C7A89A769C52601E5473AC
telfhash t1c631c4f71dbe4df8a7c1a850d32f6a42291ad677185037a54463886432afec294b9c38
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 :
2
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Connection attempt
Sets a written file as executable
Receives data from a server
Opens a port
DNS request
Sends data to a server
Launching a process
Creating a file
Runs as daemon
Manages services
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Deleting of the original file
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
47
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d9ed184d63a95c9f44066bb0f9f48f0fa63ea3739413b2292ccec3530cd518ad
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/85138015-f8e7-4c85-95f5-e4aa0dddbab5
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1600356
Signature
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Drops files in suspicious directories
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1600356 Sample: hold.x86.elf Startdate: 27/01/2025 Architecture: LINUX Score: 100 66 holdabchoneypots.p-e.kr 193.143.1.66, 33264, 33270, 33274 BITWEB-ASRU unknown 2->66 68 daisy.ubuntu.com 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for dropped file 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 5 other signatures 2->76 8 systemd bash 2->8         started        10 dash rm hold.x86.elf 2->10         started        14 dash rm 2->14         started        16 systemd snapd-env-generator 2->16         started        signatures3 process4 file5 18 bash sh 8->18         started        20 bash wget 8->20         started        50 /etc/systemd/system/holdservice.service, ASCII 10->50 dropped 52 /etc/rc.local, ASCII 10->52 dropped 54 /etc/profile, ASCII 10->54 dropped 56 /etc/init.d/holdservice, Bourne-Again 10->56 dropped 78 Sample tries to persist itself using /etc/profile 10->78 80 Drops files in suspicious directories 10->80 82 Sample deletes itself 10->82 84 Sample tries to persist itself using System V runlevels 10->84 22 hold.x86.elf sh 10->22         started        24 hold.x86.elf sh 10->24         started        26 hold.x86.elf 10->26         started        28 3 other processes 10->28 signatures6 process7 process8 30 sh rm 18->30         started        33 sh rm 18->33         started        35 sh rm 18->35         started        43 45 other processes 18->43 37 sh chmod 22->37         started        39 sh chmod 24->39         started        41 hold.x86.elf 26->41         started        46 2 other processes 26->46 48 3 other processes 28->48 file9 86 Sample deletes itself 30->86 88 Sample tries to set files in /etc globally writable 37->88 90 Sample tries to kill multiple processes (SIGKILL) 41->90 58 /tmp/hold.x86_64, ELF 43->58 dropped 60 /tmp/hold.x86, ELF 43->60 dropped 62 /tmp/hold.arm6, ELF 43->62 dropped 64 /tmp/hold.arm5, ELF 43->64 dropped signatures10
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d9ed184d63a95c9f44066bb0f9f48f0fa63ea3739413b2292ccec3530cd518ad
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d9ed184d63a95c9f44066bb0f9f48f0fa63ea3739413b2292ccec3530cd518ad/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-27 12:26:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3hwrqtldvfoj6ragnoypt5epb6td5i3tsqj3ekjmz3bvgdgvdcwq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery linux persistence privilege_escalation
Link:
https://tria.ge/reports/250127-ptfzhazkan/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Modifies Bash startup script
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
File and Directory Permissions Modification
Deletes itself
Malware Config
C2 Extraction:
holdabchoneypots.p-e.kr
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7135906-0
YARA:
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
Link:
https://app.threat.zone/submission/1ae1763d-4879-4529-9e7e-f2b8e6d20e49
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/d9ed184d63a95c9f44066bb0f9f48f0fa63ea3739413b2292ccec3530cd518ad

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:Linux_Generic_Threat_3bcc1630
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:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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

sh 5c24259723cfd073bce776005d904f5894da9fb8ec2398e0f47b0a77115c6812

Mirai

elf d9ed184d63a95c9f44066bb0f9f48f0fa63ea3739413b2292ccec3530cd518ad

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3405871/
  
Delivery method
Distributed via web download
  
Dropped by
SHA256 5c24259723cfd073bce776005d904f5894da9fb8ec2398e0f47b0a77115c6812
  
Dropped by
MD5 8610912b18ef084564b455d7e9982b62
  
URLhaus
https://urlhaus.abuse.ch/url/3402722/

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