MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc21d980bc92c75deef51d9f109105e17b53d05992ad089fec26bbd67df00fa9. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc21d980bc92c75deef51d9f109105e17b53d05992ad089fec26bbd67df00fa9
SHA3-384 hash: 81754f8da7ac49e498261d9f9b62b91846774acb3a3588a5a1e49fd9a09441fd4a89c3359de4ceca65ef161e0d8a965b
SHA1 hash: 87c734abe756677d3b8040af0bac3efcfc26e5b9
MD5 hash: 81d4c14742b2470ed7021dd529161d7a
humanhash: december-yankee-arkansas-mirror
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:126'618 bytes
First seen:2026-01-29 16:41:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:yenXDYz12HE4QN4MVwPNAGsd50I9nx4ilUGjllHNiej77D+OD6++E6zw/9pl2UVp:HD6wH8oI9nx4i/9j7H1D7+hM/9plF/
TLSH T1FFC35B47EB408B13C4E21BB9B69F42493323A75593DB330699189FF43F86B9E0E67506
telfhash t1e921ed75573056196e61d964c8ec9772061d97172349ef33df31c8ac34284aeda3ac4f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 f8e931aa163b33cf60c64cc49c670002cbd0261e156df60dd251b77443c4e49f
File size (compressed) :49'196 bytes
File size (de-compressed) :126'618 bytes
Format:linux/arm
Packed file: f8e931aa163b33cf60c64cc49c670002cbd0261e156df60dd251b77443c4e49f

Intelligence

File Origin
# of uploads :
1
# of downloads :
41
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/3a2c3f67-773f-4304-8986-b60ab4c14607/
Detection(s):
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

Unix.Trojan.Mirai-10058922-0
Create hunting rule

Unix.Trojan.Mirai-10059005-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Runs as daemon
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/697b8e4c930564ff3c7c945e/reports/04bf031f-0c40-446e-93a1-e3aeaf4e0233/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/fc21d980bc92c75deef51d9f109105e17b53d05992ad089fec26bbd67df00fa9
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:
2026-01-29T13:53:00Z UTC
Last seen:
2026-01-30T00:28:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/fc21d980bc92c75deef51d9f109105e17b53d05992ad089fec26bbd67df00fa9/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/14170aad-952b-477f-8364-240ba03c58f4
Behavior Graph:
Download SVG
%3 guuid=0ad89c21-1d00-0000-aecd-2d147c090000 pid=2428 /usr/bin/sudo guuid=9564b323-1d00-0000-aecd-2d1483090000 pid=2435 /tmp/sample.bin guuid=0ad89c21-1d00-0000-aecd-2d147c090000 pid=2428->guuid=9564b323-1d00-0000-aecd-2d1483090000 pid=2435 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c762aec9-6370-40c0-822d-9828d46ad74f
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1859920
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859920 Sample: boatnet.arm7.elf Startdate: 29/01/2026 Architecture: LINUX Score: 64 24 31.56.120.29, 3778, 39894 RASANAIR Iran (ISLAMIC Republic Of) 2->24 26 34.254.182.186, 443, 59322 AMAZON-02US United States 2->26 28 daisy.ubuntu.com 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Contains symbols with names commonly found in malware 2->34 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 36 Sample tries to kill multiple processes (SIGKILL) 15->36
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fc21d980bc92c75deef51d9f109105e17b53d05992ad089fec26bbd67df00fa9
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fc21d980bc92c75deef51d9f109105e17b53d05992ad089fec26bbd67df00fa9/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/fc21d980bc92c75deef51d9f109105e17b53d05992ad089fec26bbd67df00fa9
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-29 16:45:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7qq5taf4sldv33xvdwprbeif4f5vhuczskwqrh7me255m7pqb6uq._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-t71y2sh14d/
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.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/fc21d980bc92c75deef51d9f109105e17b53d05992ad089fec26bbd67df00fa9

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: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 f8e931aa163b33cf60c64cc49c670002cbd0261e156df60dd251b77443c4e49f

Mirai

elf fc21d980bc92c75deef51d9f109105e17b53d05992ad089fec26bbd67df00fa9

(this sample)

  
Dropped by
SHA256 f8e931aa163b33cf60c64cc49c670002cbd0261e156df60dd251b77443c4e49f
  
URLhaus
https://urlhaus.abuse.ch/url/3765669/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 17d2577010e4f0671a9bf1414dbacd27

Comments