MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfb9703c836214ea39423eccb616af841f5f484a6e989b7cd3796113e70aaec4. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cfb9703c836214ea39423eccb616af841f5f484a6e989b7cd3796113e70aaec4
SHA3-384 hash: fe5b7978dc01daa305dced2ab487703f46f877dc62c4d6b155ed729648409b82760b5d053caf243299cf1cacfe5edf8a
SHA1 hash: cbbbe2d3d625d360bd5d2ee6074f7eae94194bfe
MD5 hash: 5b42889f14d359fdaf47cc80ff75b2f0
humanhash: charlie-alanine-georgia-hotel
File name:boatnet.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:27'380 bytes
First seen:2025-11-23 17:08:49 UTC
Last seen:2025-11-23 17:47:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:7V8Yjg8RU8blnhDMfrZx+o+jQMBxa5H19q3UELir:JZjg8RLJnpMj0jQMO5HILq
TLSH T1F0C2D0A69E513031CF3205BEE63817A10F0859A8D37F645B956E4FE76BD24B18DB84C3
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) :27'380 bytes
File size (de-compressed) :66'864 bytes
Format:linux/arm
Unpacked file: 88da6e4acf5dfce19e5fc4c35d55369c07bc6ed3cc12f9dd8f0f2e8b08be4a90

Intelligence

File Origin
# of uploads :
2
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
android masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/69233fc9eecb08e4aa45f080/reports/049660bc-cc31-493b-b4ff-60150aabd89b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/cfb9703c836214ea39423eccb616af841f5f484a6e989b7cd3796113e70aaec4
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-23T14:08:00Z UTC
Last seen:
2025-11-23T14:08:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cfb9703c836214ea39423eccb616af841f5f484a6e989b7cd3796113e70aaec4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/df48ddc3-511d-41d1-a92a-a39c79aedb42
Behavior Graph:
Download SVG
%3 guuid=04b45f90-1a00-0000-1cb3-a3487b0b0000 pid=2939 /usr/bin/sudo guuid=b8083d93-1a00-0000-1cb3-a3487e0b0000 pid=2942 /tmp/sample.bin guuid=04b45f90-1a00-0000-1cb3-a3487b0b0000 pid=2939->guuid=b8083d93-1a00-0000-1cb3-a3487e0b0000 pid=2942 execve
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1819600
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819600 Sample: boatnet.arm6.elf Startdate: 23/11/2025 Architecture: LINUX Score: 68 17 169.254.169.254, 80 USDOSUS Reserved 2->17 19 162.213.35.24, 38426, 443 CANONICAL-ASGB United States 2->19 21 daisy.ubuntu.com 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Multi AV Scanner detection for submitted file 2->25 27 Yara detected Mirai 2->27 29 Sample is packed with UPX 2->29 7 systemd snap-failure 2->7         started        9 python3.8 dpkg 2->9         started        11 boatnet.arm6.elf 2->11         started        signatures3 process4 process5 13 snap-failure systemctl 7->13         started        15 snap-failure 7->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cfb9703c836214ea39423eccb616af841f5f484a6e989b7cd3796113e70aaec4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cfb9703c836214ea39423eccb616af841f5f484a6e989b7cd3796113e70aaec4/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-23 16:48:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z64xapedmikouokch3glmfvpqqpv6sckn2mjw7gtpfqrhzykv3ca._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery upx
Link:
https://tria.ge/reports/251123-vpajtaypav/
Behaviour
Reads runtime system information
Mirai
Mirai family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/696426db-3cc8-43f6-935f-c3eab8e2e3bd
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: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 cfb9703c836214ea39423eccb616af841f5f484a6e989b7cd3796113e70aaec4

(this sample)

Mirai

elf 88da6e4acf5dfce19e5fc4c35d55369c07bc6ed3cc12f9dd8f0f2e8b08be4a90

  
URLhaus
https://urlhaus.abuse.ch/url/3715218/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 88da6e4acf5dfce19e5fc4c35d55369c07bc6ed3cc12f9dd8f0f2e8b08be4a90
  
Dropping
MD5 2cef930b4dff0b62d8f50e27685488d6

Comments