MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cd5a40c0388ed458e0dbdf744e5e7a1656e24e0dd2363dec07e1a331d832eef. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4cd5a40c0388ed458e0dbdf744e5e7a1656e24e0dd2363dec07e1a331d832eef
SHA3-384 hash: 5a0d35318b563c5325f5428027f456348890b44c1886495f79c8835fc7297a97b499680758b123beb304c906f96156a7
SHA1 hash: 6d297d53f562042b10e8d0b27b22eeb79fb9168e
MD5 hash: de5a90b982503230e2a2c9d041c4adfa
humanhash: batman-cup-mirror-six
File name:4cd5a40c0388ed458e0dbdf744e5e7a1656e24e0dd2363dec07e1a331d832eef.elf
Download: download sample
Signature Mirai
Create hunting rule
File size:63'848 bytes
First seen:2026-08-13 19:29:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:0JTsV8RegbSXRwIzR/dM52jR3u5a9q0RRn1Nq:0zYXLR/d0IRma9q0R8
TLSH T19453F1113EEB71A5D2B02935BC24808166632775F0E5B2532D3409EEACBA463DBF82D7
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 whack_sh
Tags:elf exe mirai UPX whack.sh
File size (compressed) :63'848 bytes
File size (de-compressed) :165'248 bytes
Format:linux/arm
Unpacked file: 8b6aa06d801a9a02d8194c416e546f822fa973de4fcca5211ed1dd1e7d92ce28

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
US US
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b3f1f763-3649-44dc-8da9-56b526893d5a/
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sends data to a server
Runs as daemon
Opens a port
Connection attempt
Mounts file systems
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bashlite mirai packed upx
Link:
https://www.filescan.io/uploads/6a7e1b19697b2b81e2b615b8/reports/b13708a8-f4b2-4669-9362-aa3c12dff8f2/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4cd5a40c0388ed458e0dbdf744e5e7a1656e24e0dd2363dec07e1a331d832eef
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-13T17:13:00Z UTC
Last seen:
2026-08-13T17:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4cd5a40c0388ed458e0dbdf744e5e7a1656e24e0dd2363dec07e1a331d832eef/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/25c509fa-1eaa-4dd1-af87-33da58de6e83
Behavior Graph:
Download SVG
%3 guuid=4dd19e63-1b00-0000-ddd0-19e3970b0000 pid=2967 /usr/bin/sudo guuid=ef252e66-1b00-0000-ddd0-19e39a0b0000 pid=2970 /tmp/sample.bin guuid=4dd19e63-1b00-0000-ddd0-19e3970b0000 pid=2967->guuid=ef252e66-1b00-0000-ddd0-19e39a0b0000 pid=2970 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/98753b1c-62ee-463e-a435-09d10bf66fbb
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4cd5a40c0388ed458e0dbdf744e5e7a1656e24e0dd2363dec07e1a331d832eef
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4cd5a40c0388ed458e0dbdf744e5e7a1656e24e0dd2363dec07e1a331d832eef/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-13 19:29:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jtk2idadrdwuldqnxx3ujzphufsw4jha3urwhxwapyndghmdf3xq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Link:
https://tria.ge/reports/260813-x7gryswvgv/
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/4cd5a40c0388ed458e0dbdf744e5e7a1656e24e0dd2363dec07e1a331d832eef

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: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 4cd5a40c0388ed458e0dbdf744e5e7a1656e24e0dd2363dec07e1a331d832eef

(this sample)

Mirai

elf 8b6aa06d801a9a02d8194c416e546f822fa973de4fcca5211ed1dd1e7d92ce28

  
Delivery method
Distributed via web download
  
Dropping
SHA256 8b6aa06d801a9a02d8194c416e546f822fa973de4fcca5211ed1dd1e7d92ce28
  
Dropping
MD5 664034b2678881de9b6affc8ef6fc062
  
URLhaus
https://urlhaus.abuse.ch/url/3893950/
  
URLhaus
https://urlhaus.abuse.ch/url/3883635/

Comments