MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42f1c999cbd7be621ddd551f6bae92e90e9d9e1dc00237a88b95a6ad5b57f594. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42f1c999cbd7be621ddd551f6bae92e90e9d9e1dc00237a88b95a6ad5b57f594
SHA3-384 hash: d009742ab928a513fc826fb5fc4e3105edc7f90037c5bf7aca479f698222c85c795aa25d93d5edd933465e627ce30cb0
SHA1 hash: 456251e522e5c0b7a930b85386ea0ce5d145c2e2
MD5 hash: 4f07438176744304c34def8ce6c2971d
humanhash: cat-don-fourteen-leopard
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:129'940 bytes
First seen:2025-12-07 14:44:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:cowpuQyNSG2eRa1styK9flTQPHo5rScVM/9OAvjik:cowpuQyNSG24a1styKdlTuI5rSmM/9nd
TLSH T124C35B42FA418F13C0D61779B6EF42493322A79593DB73069A249FB43F8679F0E63A05
telfhash t17a211db1573a96295955de9c8aec6775062cd3062282ef33ff3184ac640004eea2ac0f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 b08ddee9c23301c685ddc5532a249e84965e5d7877bfdf4c4cb9377385dfbf10
File size (compressed) :46'624 bytes
File size (de-compressed) :129'940 bytes
Format:linux/arm
Packed file: b08ddee9c23301c685ddc5532a249e84965e5d7877bfdf4c4cb9377385dfbf10

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
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
Link:
https://research.acce.ciphertechsolutions.com/results/5f7882bc-be16-4655-847a-28be41f83865/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Gathering data
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/050c505d-4b26-4e8a-84ac-d8f4b6e910f2
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1828401
Signature
Antivirus / Scanner detection for submitted sample
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1828401 Sample: boatnet.arm7.elf Startdate: 07/12/2025 Architecture: LINUX Score: 76 24 87.121.84.68, 3778, 56106, 56108 SKATTV-ASBG Bulgaria 2->24 26 54.171.230.55, 37902, 443 AMAZON-02US United States 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 Yara detected Mirai 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 9 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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/42f1c999cbd7be621ddd551f6bae92e90e9d9e1dc00237a88b95a6ad5b57f594
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/42f1c999cbd7be621ddd551f6bae92e90e9d9e1dc00237a88b95a6ad5b57f594/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-07 14:45:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ily4tgol267geho5kupwxlus5ehj3hq5yabdpkelswtk2w2x6wka._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/251207-r4w5ksgv2f/
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135925-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/29eb9e36-81d8-4358-93ef-c3395468f0af
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/42f1c999cbd7be621ddd551f6bae92e90e9d9e1dc00237a88b95a6ad5b57f594

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
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 b08ddee9c23301c685ddc5532a249e84965e5d7877bfdf4c4cb9377385dfbf10

Mirai

elf 42f1c999cbd7be621ddd551f6bae92e90e9d9e1dc00237a88b95a6ad5b57f594

(this sample)

  
Dropped by
SHA256 b08ddee9c23301c685ddc5532a249e84965e5d7877bfdf4c4cb9377385dfbf10
  
URLhaus
https://urlhaus.abuse.ch/url/3728766/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 109980847c9501f72a5a87ee9376e6ee

Comments