MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8ca8419b52668066e026e0dfed8ace274d971c66c24524638e818342240f896. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments

SHA256 hash: b8ca8419b52668066e026e0dfed8ace274d971c66c24524638e818342240f896
SHA3-384 hash: f490f50ef3a583f5f0877db82c4ca907358ce54029c430bd01e4cd3c313669911f22e3682f444d9232029ebfe5170669
SHA1 hash: 0574edfa64a4abdf59b5ee1daa04eb0b27056f8c
MD5 hash: 5546a2073800ddc16ada59f6042c36a6
humanhash: batman-island-fish-virginia
File name:boatnet.arm7
Download: download sample
Signature Mirai
File size:129'940 bytes
First seen:2026-01-22 01:07:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:cowpuQyNSG2eRa1styK9flTQPHoTrScVM/9OAvjik:cowpuQyNSG24a1styKdlTuITrSmM/9nd
TLSH T176C35B42FA418F13C0D61779B6EF42493322A79593DB73069A249FB43F8679F0E63A05
telfhash t17a211db1573a96295955de9c8aec6775062cd3062282ef33ff3184ac640004eea2ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 5e001b88f4d0c1a80c9feb1ec7a673d96202821f5e6f7c35a7c12d01909c9a63
File size (compressed) :46'624 bytes
File size (de-compressed) :129'940 bytes
Format:linux/arm
Packed file: 5e001b88f4d0c1a80c9feb1ec7a673d96202821f5e6f7c35a7c12d01909c9a63

Intelligence


File Origin
# of uploads :
1
# of downloads :
43
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
27
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-21T23:23:00Z UTC
Last seen:
2026-01-22T18:28:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=0793c2d4-2000-0000-aa45-08fe600b0000 pid=2912 /usr/bin/sudo guuid=39fa19d7-2000-0000-aa45-08fe640b0000 pid=2916 /tmp/sample.bin guuid=0793c2d4-2000-0000-aa45-08fe600b0000 pid=2912->guuid=39fa19d7-2000-0000-aa45-08fe640b0000 pid=2916 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1855363 Sample: boatnet.arm7.elf Startdate: 22/01/2026 Architecture: LINUX Score: 80 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 45.144.54.79, 3778, 40480 NEWSERVERLIFE-ASRU Russian Federation 2->26 28 daisy.ubuntu.com 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 2 other signatures 2->36 7 boatnet.arm7.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 7 other processes 2->13 signatures3 process4 process5 15 boatnet.arm7.elf 7->15         started        18 boatnet.arm7.elf 7->18         started        20 boatnet.arm7.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:
2026-01-22 01:10:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 b8ca8419b52668066e026e0dfed8ace274d971c66c24524638e818342240f896

(this sample)

  
Delivery method
Distributed via web download

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