MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38b1260b84d6080157ddc1a5b04727b81383cda5a90b02e1902bf59a0511114a. 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

SHA256 hash: 38b1260b84d6080157ddc1a5b04727b81383cda5a90b02e1902bf59a0511114a
SHA3-384 hash: a41ec7c6280104181633b61ce7e118b2c537538ecb900877b988063d9553320b558d5d4fd3441d22249a95b4f6ce9cca
SHA1 hash: a765746f02d6887dd8e8e6354b188302d4d821cc
MD5 hash: 03c4f12be1e60ed144015ff0e15a3918
humanhash: zulu-massachusetts-river-nine
File name:kurayami.arm7
Download: download sample
Signature Mirai
File size:88'304 bytes
First seen:2026-04-01 09:44:31 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:nQOafW5DLJTcMf8sHNxU6mjJO1otXO40f20opRXVAJIoFJ44eELyxETXHUo7YkUl:nQsRJTkMUFj1M400yJIoASLgKHUo7Yxl
TLSH T12783120192958463E1A128B4E4DFCE49E0F771B874DD06F3A39A944F687DA507EF138B
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) :88'304 bytes
File size (de-compressed) :242'076 bytes
Format:linux/arm
Unpacked file: 679f25235efbf8382f41613c5192b690dc61ea9972dc57d087c19418bb3c19ad

Intelligence


File Origin
# of uploads :
1
# of downloads :
43
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Connection attempt
Runs as daemon
Sends data to a server
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt masquerade mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
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:
2026-04-01T08:09:00Z UTC
Last seen:
2026-04-01T09:10:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=4949e9d0-1600-0000-a5d4-7c2a8c0e0000 pid=3724 /usr/bin/sudo guuid=3cd170d2-1600-0000-a5d4-7c2a950e0000 pid=3733 /tmp/sample.bin guuid=4949e9d0-1600-0000-a5d4-7c2a8c0e0000 pid=3724->guuid=3cd170d2-1600-0000-a5d4-7c2a950e0000 pid=3733 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-04-01 09:45:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
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
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
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 38b1260b84d6080157ddc1a5b04727b81383cda5a90b02e1902bf59a0511114a

(this sample)

  
Delivery method
Distributed via web download

Comments