MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bef15576ff3e4bf5e428a6fb1d47e03f3e42e286d416d44697e89506846995e6. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: bef15576ff3e4bf5e428a6fb1d47e03f3e42e286d416d44697e89506846995e6
SHA3-384 hash: 9a3fb5f6c274e60351dcd8c05ce3d7a013a7d850b2525b24fe50ccc408d959c489c9609a90951adfbbf5cea1ffdd5d2f
SHA1 hash: a298264e0eb2f5f2579f755207a9f7b03fe6a1c9
MD5 hash: 1094c7072e55c545bc489e0895c8a81a
humanhash: beer-berlin-fix-king
File name:debug
Download: download sample
Signature Mirai
File size:45'344 bytes
First seen:2025-09-25 08:18:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:6NhJ4DLWe7ZmODczgDBATcJv5QUm+jk+F2MNP9dvm0ZvjfKlNNnbcuyD7UtQRjE:7DLf4ac0BAg7QSk+FfFxtZ7f8nouy8tL
TLSH T18D13F153C1CFEF99C5BE04324DBB655D5D11A06E82837A474CB226B8D4CAF1E7B003AA
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 :
34
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Changes access rights for a file
Receives data from a server
Connection attempt
DNS request
Changes access rights for a written file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
mirai obfuscated packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-24T20:24:00Z UTC
Last seen:
2025-09-24T20:24:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=121bbfac-1900-0000-0977-5d4f7f0a0000 pid=2687 /usr/bin/sudo guuid=251a89ae-1900-0000-0977-5d4f850a0000 pid=2693 /tmp/sample.bin net send-data guuid=121bbfac-1900-0000-0977-5d4f7f0a0000 pid=2687->guuid=251a89ae-1900-0000-0977-5d4f850a0000 pid=2693 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=251a89ae-1900-0000-0977-5d4f850a0000 pid=2693->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 180B a9a6a646-bb5e-5819-9341-c8bf2a21b1b0 uraniumc2.ddns.net:80 guuid=251a89ae-1900-0000-0977-5d4f850a0000 pid=2693->a9a6a646-bb5e-5819-9341-c8bf2a21b1b0 send: 10B guuid=f508d0ea-1900-0000-0977-5d4ffd0a0000 pid=2813 /tmp/sample.bin dns net send-data guuid=251a89ae-1900-0000-0977-5d4f850a0000 pid=2693->guuid=f508d0ea-1900-0000-0977-5d4ffd0a0000 pid=2813 clone guuid=48675518-1b00-0000-0977-5d4fff0c0000 pid=3327 /tmp/sample.bin guuid=251a89ae-1900-0000-0977-5d4f850a0000 pid=2693->guuid=48675518-1b00-0000-0977-5d4fff0c0000 pid=3327 clone guuid=f508d0ea-1900-0000-0977-5d4ffd0a0000 pid=2813->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 36B a1a7e44c-f53d-520b-b2c8-ccb9907e473c uraniumc2.ddns.net:12121 guuid=f508d0ea-1900-0000-0977-5d4ffd0a0000 pid=2813->a1a7e44c-f53d-520b-b2c8-ccb9907e473c send: 10B guuid=963fd8ea-1900-0000-0977-5d4ffe0a0000 pid=2814 /tmp/sample.bin guuid=f508d0ea-1900-0000-0977-5d4ffd0a0000 pid=2813->guuid=963fd8ea-1900-0000-0977-5d4ffe0a0000 pid=2814 clone
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1783857 Sample: debug.elf Startdate: 25/09/2025 Architecture: LINUX Score: 72 18 uraniumc2.ddns.net 2->18 20 169.254.169.254, 80 USDOSUS Reserved 2->20 22 3 other IPs or domains 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Gafgyt 2->28 30 Sample is packed with UPX 2->30 8 debug.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 32 Uses dynamic DNS services 18->32 process4 process5 12 debug.elf 8->12         started        14 debug.elf 8->14         started        process6 16 debug.elf 12->16         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-25 01:15:00 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
uraniumc2.ddns.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
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 bef15576ff3e4bf5e428a6fb1d47e03f3e42e286d416d44697e89506846995e6

(this sample)

  
Delivery method
Distributed via web download

Comments