MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37586b88969bb679d2baa26a5385ef70bfcf239015d53f40f8113197e01c515a. 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 4 File information Comments

SHA256 hash: 37586b88969bb679d2baa26a5385ef70bfcf239015d53f40f8113197e01c515a
SHA3-384 hash: 2922a0c604cc2181ff88eb2431ddc72b075e26203a253539d7e1c520220ed60d5172f47ef15e4ed5868d5e924319939b
SHA1 hash: f8ca941d76c8f241b845d6166e3a6309ffc1bc7c
MD5 hash: 477fda782b6603f03a735f9c6afd05f7
humanhash: foxtrot-utah-london-red
File name:kurayami.arm6
Download: download sample
Signature Mirai
File size:73'656 bytes
First seen:2026-03-30 06:58:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:kguWOMb9QllElTTTg4GbhbbvxnhITUewquxIf5ZuHT7je7MKnPBvIEFOPB8/h5LP:kgGMbKi4hF7tHewquafuH61BfsE3LP
TLSH T1C67302B0B5496433C2B224E6F873ED873DECAA7CF49EF50740ACD469F512A4354D5246
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 adliwahid
Tags:mirai UPX
File size (compressed) :73'656 bytes
File size (de-compressed) :196'988 bytes
Format:linux/arm
Unpacked file: 4099e66fb2d7464096cabfbfdf2740c42facc1505a5e1fb8d47e42fd74cc160d

Intelligence


File Origin
# of uploads :
1
# of downloads :
49
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade mirai packed threat upx
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
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=a530cfd2-1900-0000-f991-b645bb080000 pid=2235 /usr/bin/sudo guuid=ededded4-1900-0000-f991-b645c2080000 pid=2242 /tmp/sample.bin guuid=a530cfd2-1900-0000-f991-b645bb080000 pid=2235->guuid=ededded4-1900-0000-f991-b645c2080000 pid=2242 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-03-30 04:09:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet discovery upx
Behaviour
Reads runtime system information
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 37586b88969bb679d2baa26a5385ef70bfcf239015d53f40f8113197e01c515a

(this sample)

  
Delivery method
Distributed via web download

Comments