MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38fb92f9f07138fbf4b1c666400f0b233c6d6445bb8c5d012f2b0511c606df7d. 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 3 File information Comments

SHA256 hash: 38fb92f9f07138fbf4b1c666400f0b233c6d6445bb8c5d012f2b0511c606df7d
SHA3-384 hash: 704d470f105e9f16b7af657b1b86fc178968cb5a774c1b7ce696cf2416e2550400b780f52ac715dd602de6338d1f4ab8
SHA1 hash: 0e1e900f5026f529a2ae0ffcc47f7cb36bff0a68
MD5 hash: 775d2ab71127cb1ae8598c6e7c1546fe
humanhash: vegan-mango-bulldog-king
File name:boatnet.x86
Download: download sample
Signature Mirai
File size:46'732 bytes
First seen:2025-11-03 19:18:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:LessG0aMqhhZuiRf+TaE3FM/L+JIE55SQyIL0DwkSppyJwWQapra36nbcuyD7Uo6:LessLhSNsyIawzuqo2qnouy8oyJ
TLSH T1B723F11AD7F0507DF6EE307C5FFB97E990C9DA5683404EB9ACD054BE018BBA45B28884
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 UPX
File size (compressed) :46'732 bytes
File size (de-compressed) :123'208 bytes
Format:linux/i386
Unpacked file: 6bec57f4fd5f66d122bcae155c800ca4963728835f9b045fab8297f9c382679f

Intelligence


File Origin
# of uploads :
1
# of downloads :
51
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Runs as daemon
Connection attempt
Sends data to a server
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 185.19.33.241:3778
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-03T16:32:00Z UTC
Last seen:
2025-11-04T17:13:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=8f03b466-1b00-0000-1526-7e53860c0000 pid=3206 /usr/bin/sudo guuid=7a284769-1b00-0000-1526-7e538b0c0000 pid=3211 /tmp/sample.bin net guuid=8f03b466-1b00-0000-1526-7e53860c0000 pid=3206->guuid=7a284769-1b00-0000-1526-7e538b0c0000 pid=3211 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=7a284769-1b00-0000-1526-7e538b0c0000 pid=3211->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=57896e6a-1b00-0000-1526-7e538c0c0000 pid=3212 /tmp/sample.bin zombie guuid=7a284769-1b00-0000-1526-7e538b0c0000 pid=3211->guuid=57896e6a-1b00-0000-1526-7e538c0c0000 pid=3212 clone guuid=00997c6a-1b00-0000-1526-7e538d0c0000 pid=3213 /tmp/sample.bin guuid=7a284769-1b00-0000-1526-7e538b0c0000 pid=3211->guuid=00997c6a-1b00-0000-1526-7e538d0c0000 pid=3213 clone guuid=b383886a-1b00-0000-1526-7e538e0c0000 pid=3214 /tmp/sample.bin net send-data zombie guuid=7a284769-1b00-0000-1526-7e538b0c0000 pid=3211->guuid=b383886a-1b00-0000-1526-7e538e0c0000 pid=3214 clone guuid=b383886a-1b00-0000-1526-7e538e0c0000 pid=3214->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 3cd5abee-8dcc-58dc-9409-31ca5c0deace 185.19.33.241:3778 guuid=b383886a-1b00-0000-1526-7e538e0c0000 pid=3214->3cd5abee-8dcc-58dc-9409-31ca5c0deace send: 5B
Result
Threat name:
Detection:
malicious
Classification:
spre.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
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1807199 Sample: boatnet.x86.elf Startdate: 03/11/2025 Architecture: LINUX Score: 72 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 185.19.33.241, 36156, 3778 RAPIDATA-AS1DE Germany 2->26 28 4 other IPs or domains 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 7 boatnet.x86.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 8 other processes 2->13 signatures3 process4 process5 15 boatnet.x86.elf 7->15         started        18 boatnet.x86.elf 7->18         started        20 boatnet.x86.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 38 Sample tries to kill multiple processes (SIGKILL) 15->38
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-03 19:19:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd 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
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 38fb92f9f07138fbf4b1c666400f0b233c6d6445bb8c5d012f2b0511c606df7d

(this sample)

  
Delivery method
Distributed via web download

Comments