MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cf9b5bac2e34b92bf42ae9d20ab06656f3f16824b469fc079f91e9e9890bb5f. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5cf9b5bac2e34b92bf42ae9d20ab06656f3f16824b469fc079f91e9e9890bb5f
SHA3-384 hash: eab1490e600a95d9981bb9d2d21fb31a4a451b66db7fbfd35fdf5dddda494361cb08c7357e023c84d883e96b39f2962c
SHA1 hash: a15f6a63594758a674702b86545b4bded4899838
MD5 hash: 62bd73f96b432b429713d73356478c89
humanhash: gee-chicken-music-vermont
File name:boatnet.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:49'500 bytes
First seen:2025-08-29 03:14:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:lb1M8/GBMAhhlFP1KSF7wtLHX1ziIul+WOQagSU:db/MhlFdROtLHpitl2tU
TLSH T18C23F236E1DAB8B2E2254EF9EC98C4676B1757BCB4E5E07305A4043AC74841A77EC3C2
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) :49'500 bytes
File size (de-compressed) :139'353 bytes
Format:linux/arm
Unpacked file: 4411147aec83c59456cef56465c23415ed0c406bbd9f7b598937e59d0ecadb13

Intelligence

File Origin
# of uploads :
1
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Runs as daemon
Connection attempt
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade mirai packed threat upx
Link:
https://www.filescan.io/uploads/68b11b6c1c81c34281d77efa/reports/267c8c06-775a-4cbc-bf32-670764a5dd64/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
27
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/5cf9b5bac2e34b92bf42ae9d20ab06656f3f16824b469fc079f91e9e9890bb5f
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
Link:
https://opentip.kaspersky.com/5cf9b5bac2e34b92bf42ae9d20ab06656f3f16824b469fc079f91e9e9890bb5f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8c50bba9-03c2-4580-8110-4f46872c0956
Behavior Graph:
Download SVG
%3 guuid=f673eff7-1800-0000-3beb-ff256c120000 pid=4716 /usr/bin/sudo guuid=8df990fa-1800-0000-3beb-ff2570120000 pid=4720 /tmp/sample.bin guuid=f673eff7-1800-0000-3beb-ff256c120000 pid=4716->guuid=8df990fa-1800-0000-3beb-ff2570120000 pid=4720 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/acc1ded2-5c01-4273-806a-72dfc3308180
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1767408
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1767408 Sample: boatnet.arm7.elf Startdate: 29/08/2025 Architecture: LINUX Score: 72 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 31.25.11.228, 3778, 42180 TEQGB United Kingdom 2->26 28 daisy.ubuntu.com 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.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/5cf9b5bac2e34b92bf42ae9d20ab06656f3f16824b469fc079f91e9e9890bb5f
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5cf9b5bac2e34b92bf42ae9d20ab06656f3f16824b469fc079f91e9e9890bb5f/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-29 03:15:51 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=lt43lowc4nfzfp2cv2osbkygmvxt6fucjndj7qdz7epj5geqxnpq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery upx
Link:
https://tria.ge/reports/250829-dsejhaer2z/
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cf1c4f19-d605-4929-b22b-3634b6d15b74
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/5cf9b5bac2e34b92bf42ae9d20ab06656f3f16824b469fc079f91e9e9890bb5f

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
Create hunting rule
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 5cf9b5bac2e34b92bf42ae9d20ab06656f3f16824b469fc079f91e9e9890bb5f

(this sample)

Mirai

elf 4411147aec83c59456cef56465c23415ed0c406bbd9f7b598937e59d0ecadb13

  
URLhaus
https://urlhaus.abuse.ch/url/3611831/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 4411147aec83c59456cef56465c23415ed0c406bbd9f7b598937e59d0ecadb13
  
Dropping
MD5 647f0f513cec3c411a177f5cb61eb69d

Comments