MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a1863dfff1a5e83d8ea34c6fc7d24762e3063c9a02e5ea22d3f68a5e639a7e3. 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 11 File information Comments

SHA256 hash: 5a1863dfff1a5e83d8ea34c6fc7d24762e3063c9a02e5ea22d3f68a5e639a7e3
SHA3-384 hash: 73b31a0145278fc01b6df7b6e2411356d4808a095699575f79b31fb3266f2f4980fb0833614f46c38dd7222753b77cf4
SHA1 hash: 5a6cd2c0f91b0ea9be36df5dc7bcd02764d56c1b
MD5 hash: 98d6c8e585ade404e693dc9de3c5b832
humanhash: single-beer-single-fillet
File name:x86_64
Download: download sample
Signature Mirai
File size:63'264 bytes
First seen:2025-07-14 17:55:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:uzGIfL8YS4+Q41druM/iI8jOU9EyhKbjxeSGs+0C3O30A:GGID8XBQ41cQM6UDK4SGNO30A
TLSH T140533A17B941C0FCC59DC170176BB63AF673757D0238B3AA3798EB126E8AE214E5E640
telfhash t18321f33336a608e4f0eff562a315e06469311da101e139f3e2b178fae7627824975d73
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 :
17
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
DNS request
Mounts file systems
Runs as daemon
Creating a file
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 83.229.17.45:38241
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=d6180414-1a00-0000-cb57-2e0b410a0000 pid=2625 /usr/bin/sudo guuid=beaa8f17-1a00-0000-cb57-2e0b4e0a0000 pid=2638 /tmp/sample.bin net guuid=d6180414-1a00-0000-cb57-2e0b410a0000 pid=2625->guuid=beaa8f17-1a00-0000-cb57-2e0b4e0a0000 pid=2638 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=beaa8f17-1a00-0000-cb57-2e0b4e0a0000 pid=2638->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=d3f8bb17-1a00-0000-cb57-2e0b4f0a0000 pid=2639 /home/sandbox/ dns net send-data zombie guuid=beaa8f17-1a00-0000-cb57-2e0b4e0a0000 pid=2638->guuid=d3f8bb17-1a00-0000-cb57-2e0b4f0a0000 pid=2639 clone guuid=d3f8bb17-1a00-0000-cb57-2e0b4f0a0000 pid=2639->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 2e1ca1bf-8e0e-51bd-a149-55d596118774 139.84.165.176:53 guuid=d3f8bb17-1a00-0000-cb57-2e0b4f0a0000 pid=2639->2e1ca1bf-8e0e-51bd-a149-55d596118774 send: 29B 87c2dbf2-2b8a-5511-a250-d778ce5cd415 185.181.61.24:53 guuid=d3f8bb17-1a00-0000-cb57-2e0b4f0a0000 pid=2639->87c2dbf2-2b8a-5511-a250-d778ce5cd415 send: 29B b61a3ff4-ff7d-546a-bb3d-41220113a86d bunnybot.ac:38241 guuid=d3f8bb17-1a00-0000-cb57-2e0b4f0a0000 pid=2639->b61a3ff4-ff7d-546a-bb3d-41220113a86d send: 7B guuid=ea2ecf17-1a00-0000-cb57-2e0b500a0000 pid=2640 /home/sandbox/ guuid=d3f8bb17-1a00-0000-cb57-2e0b4f0a0000 pid=2639->guuid=ea2ecf17-1a00-0000-cb57-2e0b500a0000 pid=2640 clone
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1736396 Sample: x86_64.elf Startdate: 14/07/2025 Architecture: LINUX Score: 76 20 bunnybot.ac 83.229.17.45, 38241, 53974 SKYVISIONGB United Kingdom 2->20 22 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 2 other signatures 2->30 8 x86_64.elf 2->8         started        10 udisksd dumpe2fs 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        signatures3 process4 process5 16 x86_64.elf 8->16         started        process6 18 x86_64.elf 16->18         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-14 16:11:04 UTC
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Behaviour
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Writes file to system bin folder
Modifies Watchdog functionality
Renames itself
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7640640-0
YARA:
Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2
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:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:MatchByteSequence
Author:Generated by ChatGPT
Description:Rule to match specific byte sequence: 89 C8 C1 E8 08 31 D1 31 C8
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 5a1863dfff1a5e83d8ea34c6fc7d24762e3063c9a02e5ea22d3f68a5e639a7e3

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments