MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf274f6580e032bb802de68316f9d8accfdd55187cab378a806ad43296c4be90. 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: bf274f6580e032bb802de68316f9d8accfdd55187cab378a806ad43296c4be90
SHA3-384 hash: 55ba7006714017be8bf585672204dadeb3c650d2c237983d355dd6ff02ff7d338501b941a87d407364452f832ac66d4f
SHA1 hash: 42630874e1f7380f3dfd1a78318bf531006189ec
MD5 hash: 1c7d39642bdf12fa6e78935821166ce0
humanhash: hawaii-georgia-double-kentucky
File name:yakuza.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:30'736 bytes
First seen:2026-04-03 17:39:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:EedY5z9VaOtyNpaHzERRKCjvO8a8dmDinTJVcw3yq3UIhQ:EedY5BESzkRm8a8duinTJWGK
TLSH T1C9D2E1632D225716A9310D76A9630553F78DA9E9C39F674B03E90AC376E141BF38382D
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) :30'736 bytes
File size (de-compressed) :79'172 bytes
Format:linux/arm
Unpacked file: 64f756e9ec3b4ef50dd9f844a3ecd3fd0ac834eeb29778f702c29f64b50127e7

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
176.65.139.102/bins
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/bf274f6580e032bb802de68316f9d8accfdd55187cab378a806ad43296c4be90
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:
2026-04-03T14:48:00Z UTC
Last seen:
2026-04-03T15:02:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.kv HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/bf274f6580e032bb802de68316f9d8accfdd55187cab378a806ad43296c4be90/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/efbbebbf-9885-462b-85b5-b2c98e02acda
Behavior Graph:
Download SVG
%3 guuid=94671c9e-1600-0000-95b8-3812eb0c0000 pid=3307 /usr/bin/sudo guuid=86a708a0-1600-0000-95b8-3812ee0c0000 pid=3310 /tmp/sample.bin guuid=94671c9e-1600-0000-95b8-3812eb0c0000 pid=3307->guuid=86a708a0-1600-0000-95b8-3812ee0c0000 pid=3310 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/34c09e85-9644-417a-ad1b-118ab5f3b139
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1893308
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bf274f6580e032bb802de68316f9d8accfdd55187cab378a806ad43296c4be90
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf274f6580e032bb802de68316f9d8accfdd55187cab378a806ad43296c4be90/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/bf274f6580e032bb802de68316f9d8accfdd55187cab378a806ad43296c4be90
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-04-03 17:40:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4tu6zma4azlxabn42brn6oyvth52viypsvtpcuanlkdffwex2ia._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery upx
Link:
https://tria.ge/reports/260403-v8f6psbx4w/
Behaviour
Reads runtime system information
Mirai
Mirai family
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/bf274f6580e032bb802de68316f9d8accfdd55187cab378a806ad43296c4be90

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 bf274f6580e032bb802de68316f9d8accfdd55187cab378a806ad43296c4be90

(this sample)

Mirai

elf 64f756e9ec3b4ef50dd9f844a3ecd3fd0ac834eeb29778f702c29f64b50127e7

  
URLhaus
https://urlhaus.abuse.ch/url/3810807/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 64f756e9ec3b4ef50dd9f844a3ecd3fd0ac834eeb29778f702c29f64b50127e7
  
Dropping
MD5 8ae94f118db02016ce07af65dc47e3fc

Comments