MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4a7925d6385f91961d9acbab224c942e5e4889b2d9a84a230ae97caa93b94af. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4a7925d6385f91961d9acbab224c942e5e4889b2d9a84a230ae97caa93b94af
SHA3-384 hash: 37fae6fffd3e066ed946f3930dc2ce89a637a308776a4b287d0853f0bc9fb323625ca21b0655fefd3dcf0f93e2ce3191
SHA1 hash: 50a481403039619e5714a359d936173d59ed4e0e
MD5 hash: b7545b296a4f448c4231cfb30935c6be
humanhash: skylark-princess-march-jig
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:123'079 bytes
First seen:2026-01-29 09:24:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:zQ6bwYFJgiTZe4QP8SqB7vHcM/90zDznh:9EoKiTZe4y8N7v8M/90Tnh
TLSH T197C33B46EA404B17C0D21779B6EF420533239BA5E3DB33065A289FF43F8679E4E63906
telfhash t1af210c365b70511d5d51d86488ec4771062dd7072345ef33df31c89c242945eea2ac4f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 f74c82c52ed2e39e3a1bb75ea2658b59da288da3d6160b297cf5ad17765f8e1e
File size (compressed) :47'092 bytes
File size (de-compressed) :123'079 bytes
Format:linux/arm
Packed file: f74c82c52ed2e39e3a1bb75ea2658b59da288da3d6160b297cf5ad17765f8e1e

Intelligence

File Origin
# of uploads :
1
# of downloads :
32
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/4ea270fe-577f-4eda-ab47-d95b10188cbd/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.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-9760303-0
Create hunting rule

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

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/697b2791c943f4f7221768cd/reports/1abf25ee-d581-466b-9032-91715fe6e71b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
25
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a4a7925d6385f91961d9acbab224c942e5e4889b2d9a84a230ae97caa93b94af
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f834e53e-23a8-4e63-a9f3-3ac4de27f50d
Behavior Graph:
Download SVG
%3 guuid=dc2a7651-1800-0000-8f98-d245430d0000 pid=3395 /usr/bin/sudo guuid=b3631253-1800-0000-8f98-d245490d0000 pid=3401 /tmp/sample.bin guuid=dc2a7651-1800-0000-8f98-d245430d0000 pid=3395->guuid=b3631253-1800-0000-8f98-d245490d0000 pid=3401 execve
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1859644
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859644 Sample: boatnet.arm7.elf Startdate: 29/01/2026 Architecture: LINUX Score: 80 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 178.16.54.217, 35872, 3778 DUSNET-ASDE Germany 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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4a7925d6385f91961d9acbab224c942e5e4889b2d9a84a230ae97caa93b94af
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a4a7925d6385f91961d9acbab224c942e5e4889b2d9a84a230ae97caa93b94af/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ustzexldqx4rsyozvs5lejgjils6jce3fwnijirqv2l4vkj3ssxq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/260129-ldx2ascz8b/
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: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:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
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 f74c82c52ed2e39e3a1bb75ea2658b59da288da3d6160b297cf5ad17765f8e1e

Mirai

elf a4a7925d6385f91961d9acbab224c942e5e4889b2d9a84a230ae97caa93b94af

(this sample)

  
Dropped by
SHA256 f74c82c52ed2e39e3a1bb75ea2658b59da288da3d6160b297cf5ad17765f8e1e
  
URLhaus
https://urlhaus.abuse.ch/url/3665467/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 41f76173cad2783ec64169b44de0d171

Comments