MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39d449f3cb12f830762efa1393c92bb097fa645f00d5eb6a9460ded62ce03440. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39d449f3cb12f830762efa1393c92bb097fa645f00d5eb6a9460ded62ce03440
SHA3-384 hash: 198db54a7661c6d74a732e1ab441b2f8dbaec7af134ce154adf59b9d95b55d4d25d58b63be61a564c55fc56d2e3e195c
SHA1 hash: ea1864e640b456c650ad6ad3d12ad1ae22c999d7
MD5 hash: 05afabf0264b7023e599aca5f2f92947
humanhash: fish-kentucky-alanine-fillet
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:44'904 bytes
First seen:2025-12-04 00:36:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:RDu0fotbeNpCd0In0ZPB3hNpLjAC6A9oBjbr1pJ/n3DbKidDYcRq6GunbcuyD7US:lXmXd0CG0C79UdvrdDYunouy8Hyd
TLSH T1A213F145D5FC8B2CE1EEB070989F74859974102AF408A672F14E9D721939FFB1B09ECA
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
File size (compressed) :44'904 bytes
File size (de-compressed) :99'668 bytes
Format:linux/i386
Unpacked file: dea53bce5b5a461576b3112383599869dcb47e35d99aac6c2f17eb57c9727c87

Intelligence

File Origin
# of uploads :
1
# of downloads :
25
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/0bb51660-7568-4c4c-ac5d-fd3871dc237b/
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Deleting a recently created file
Sends data to a server
Launching a process
Kills processes
Removes directories
Receives data from a server
Creating a file
Changes access rights for a file
Sets a written file as executable
Opens a port
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/6930d7bfbc15eab491f3e1bf/reports/e80df74b-eb89-4ece-b59c-22e212341025/overview
Result
Gathering data
Verdict:
Malicious
File Type:
Elf
First seen:
2025-12-03T21:17:00Z UTC
Last seen:
2025-12-03T21:17:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/39d449f3cb12f830762efa1393c92bb097fa645f00d5eb6a9460ded62ce03440/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1749763a-8513-4c6a-bad1-fdbd51b52679
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1825991
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1825991 Sample: debug.elf Startdate: 04/12/2025 Architecture: LINUX Score: 68 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Sample is packed with UPX 2->44 8 debug.elf 2->8         started        11 python3.8 dpkg 2->11         started        process3 file4 38 /usr/local/bin/infinitd, ELF 8->38 dropped 13 debug.elf 8->13         started        15 debug.elf 8->15         started        17 debug.elf sh 8->17         started        19 2 other processes 8->19 process5 process6 21 debug.elf 13->21         started        24 debug.elf 15->24         started        26 debug.elf 15->26         started        28 debug.elf 15->28         started        30 sh 17->30         started        32 sh 19->32         started        signatures7 46 Manipulation of devices in /dev 21->46 48 Deletes system log files 21->48 34 debug.elf 24->34         started        36 debug.elf 26->36         started        process8
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/39d449f3cb12f830762efa1393c92bb097fa645f00d5eb6a9460ded62ce03440
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/39d449f3cb12f830762efa1393c92bb097fa645f00d5eb6a9460ded62ce03440/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 00:37:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hhket46lcl4da5ro7ijzhsjlwcl7uzc7adk6w2uumdpnmlhagraa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/251204-ax5ppsat3e/
Behaviour
Reads runtime system information
UPX packed file
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Deletes system logs
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 39d449f3cb12f830762efa1393c92bb097fa645f00d5eb6a9460ded62ce03440

(this sample)

Mirai

elf dea53bce5b5a461576b3112383599869dcb47e35d99aac6c2f17eb57c9727c87

  
URLhaus
https://urlhaus.abuse.ch/url/3724390/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 dea53bce5b5a461576b3112383599869dcb47e35d99aac6c2f17eb57c9727c87
  
Dropping
MD5 ba61b04ee24d4b07b56845f3544a1f31

Comments