MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1cad7ca5ff9f1d8b145c374b931adc67e008944a77d76656963e9f0435a0f7d. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1cad7ca5ff9f1d8b145c374b931adc67e008944a77d76656963e9f0435a0f7d
SHA3-384 hash: e01a2874f91f4727f416ddfb29c79035797a3fa86c437af06ed6421bf20df989d7dd5c5793b303dd47776f29cdb802ca
SHA1 hash: 17186956c23b7a66bf7c9d28d15a80f6a1c35011
MD5 hash: a9a1fec2ed9a3fd8b6227e74952d19da
humanhash: utah-nuts-lion-leopard
File name:nklmpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:92'980 bytes
First seen:2025-12-26 23:52:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:oxEIC3nzR6gDq8EIKzRwoiuL64QEyO7xxPPNDa5nbP2EdbVR:o+1nzRZpOwQOGwt20
TLSH T16193F80ABB644FF7D85FDD3746BD5B04258C560A22B83B363974D828F64B25F0AE3864
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
60
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Mirai-10008934-0
Create hunting rule

Verdict:
Unknown
File Type:
elf.32.le
First seen:
2025-12-26T22:03:00Z UTC
Last seen:
2025-12-26T22:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b1cad7ca5ff9f1d8b145c374b931adc67e008944a77d76656963e9f0435a0f7d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/db053113-0fb5-4ff7-bcc4-a545e77c4608
Behavior Graph:
Download SVG
%3 guuid=03d7941f-1a00-0000-8f4e-f16498080000 pid=2200 /usr/bin/sudo guuid=00689c21-1a00-0000-8f4e-f164a1080000 pid=2209 /tmp/sample.bin guuid=03d7941f-1a00-0000-8f4e-f16498080000 pid=2200->guuid=00689c21-1a00-0000-8f4e-f164a1080000 pid=2209 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0a8e7362-482c-4add-ae79-0f00b6be914c
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1840112
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1cad7ca5ff9f1d8b145c374b931adc67e008944a77d76656963e9f0435a0f7d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1cad7ca5ff9f1d8b145c374b931adc67e008944a77d76656963e9f0435a0f7d/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 23:53:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whfnpss77hy5rmkfyn2lsmnnyz7abckeu56xmzljmpu7aq22b56q._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/251226-3xc9nssqfq/
Behaviour
Changes its process name
Renames itself
Unexpected DNS network traffic destination
Contacts a large (187234) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10008934-0
YARA:
n/a
Link:
https://app.threat.zone/submission/395a0450-ff14-4c10-985d-0e7cf1e71d85
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/b1cad7ca5ff9f1d8b145c374b931adc67e008944a77d76656963e9f0435a0f7d

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: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 b1cad7ca5ff9f1d8b145c374b931adc67e008944a77d76656963e9f0435a0f7d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739199/
  
Delivery method
Distributed via web download

Comments