MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfbc8ef31ad2a02413cadb2571abf42cac72f1bd0daffda0728645babc31660c. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfbc8ef31ad2a02413cadb2571abf42cac72f1bd0daffda0728645babc31660c
SHA3-384 hash: d09d5e4ee7f940047ce35b62b436477a4927b693094290d8024d476f6a0cf4345a2feb2ed81644a5b57f9a36f8774831
SHA1 hash: 09a8730e4ce8cb55554ccba65be010d6ed267b6f
MD5 hash: 85dbea12a96af5b8e1302d0b32974518
humanhash: delta-charlie-july-vermont
File name:armv7l
Download: download sample
Signature Mirai
Create hunting rule
File size:282'488 bytes
First seen:2026-01-26 21:25:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:yPfKUGef6VBdKWLDnz4ZXtMWzBddV6kZZ4eYKJ7IeuzFWfFZ+cUvgQMw6do7:7Ne7ddV6sFfFo4rdo7
TLSH T16154E65CF880D779CBD1617AFA5642CD33335F28EBDA320589356B3437EAA25A43B241
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e0c48c1e2f6c4708a0c950ace1a7bc70cbc503b703ec61d8517084eb5f55cebe
File size (compressed) :106'748 bytes
File size (de-compressed) :282'488 bytes
Format:linux/arm
Packed file: e0c48c1e2f6c4708a0c950ace1a7bc70cbc503b703ec61d8517084eb5f55cebe

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc mirai rust
Link:
https://www.filescan.io/uploads/6977dbfb4156786ccbd8bebd/reports/1cf064cd-af23-423e-93a8-828553086cc5/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
0
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/bfbc8ef31ad2a02413cadb2571abf42cac72f1bd0daffda0728645babc31660c
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-27T07:27:00Z UTC
Last seen:
2026-01-28T00:02:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/bfbc8ef31ad2a02413cadb2571abf42cac72f1bd0daffda0728645babc31660c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/dee7a93a-778e-49fa-8a45-950b72074ddf
Behavior Graph:
Download SVG
%3 guuid=64e8252b-1800-0000-5333-199dd20b0000 pid=3026 /usr/bin/sudo guuid=e80bce2c-1800-0000-5333-199dd80b0000 pid=3032 /tmp/sample.bin guuid=64e8252b-1800-0000-5333-199dd20b0000 pid=3026->guuid=e80bce2c-1800-0000-5333-199dd80b0000 pid=3032 execve
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1857949
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857949 Sample: armv7l.elf Startdate: 26/01/2026 Architecture: LINUX Score: 48 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 91.92.240.38, 42590, 666 THEZONEBG Bulgaria 2->16 18 2 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 6 dash rm 2->6         started        8 dash cut 2->8         started        10 dash tr 2->10         started        12 9 other processes 2->12 signatures3 process4
Score:
99%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bfbc8ef31ad2a02413cadb2571abf42cac72f1bd0daffda0728645babc31660c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bfbc8ef31ad2a02413cadb2571abf42cac72f1bd0daffda0728645babc31660c/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-26 21:26:32 UTC
File Type:
ELF32 Little (SO)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x66i54y22kqcie6k3msxdk7ufswhf4n5bwx73idsqzc3vpbrmyga._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
discovery
Link:
https://tria.ge/reports/260126-1accraaz2a/
Behaviour
Reads runtime system information
Changes its process name
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/bfbc8ef31ad2a02413cadb2571abf42cac72f1bd0daffda0728645babc31660c

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:elf_arm_mips_ko_so
Create hunting rule
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:elf_persirai_w0
Create hunting rule
Author:Tim Yeh
Description:Detects Persirai Botnet Malware
Reference:Internal Research
Rule name:iot_req_metachar
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
Create hunting rule
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 e0c48c1e2f6c4708a0c950ace1a7bc70cbc503b703ec61d8517084eb5f55cebe

Mirai

elf bfbc8ef31ad2a02413cadb2571abf42cac72f1bd0daffda0728645babc31660c

(this sample)

  
Dropped by
SHA256 e0c48c1e2f6c4708a0c950ace1a7bc70cbc503b703ec61d8517084eb5f55cebe
  
URLhaus
https://urlhaus.abuse.ch/url/3748046/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 429c9bc1f397a863fdfde39534096ab8

Comments