MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfc832390a1ebd9dfd21393e1173b4f6a812db7f3662f51c7a2109e8d7d478c2. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cfc832390a1ebd9dfd21393e1173b4f6a812db7f3662f51c7a2109e8d7d478c2
SHA3-384 hash: 05c9d083aca5bc7788580d0e40fdc1b1f987f9c068def4e89728e358972e8a59d2bb6ea391f42a38920cdb34b7a88930
SHA1 hash: 461cbb7d748739b79b80686856687b5b0522ffce
MD5 hash: 47ed97ed6c383fad49ee94365345dd5f
humanhash: east-xray-oklahoma-alaska
File name:killbotx.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:55'008 bytes
First seen:2026-08-10 17:39:57 UTC
Last seen:2026-08-11 12:17:27 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 768:z5CrX0hm9+Ad2GuuaxYVkmrP2/z6+uVpxQ3flqcWzjfKu+7Pc1ZY9zn+c4z:z5CL0hQ+oYx4HUvuJQ3tq3nEPc1ZYoh
TLSH T18C33F26B0533C1F4C825E5324AAAAE98F859AC1BB6592D5A4DDF3DDF2DF1160C361D00
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 BlinkzSec
Tags:mirai UPX
File size (compressed) :55'008 bytes
File size (de-compressed) :116'856 bytes
Format:linux/amd64
Unpacked file: dfd5a6237aef39a63ec90c0054b3ab4da38c1e2650167d26b8d0c4c8e0f8fd74

Intelligence

File Origin
# of uploads :
4
# of downloads :
47
Origin country :
US US
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/208a07a3-bb47-461c-9cd0-a988d3a92247/
Detection(s):
SecuriteInfo.com.ELF.Mirai-CQO.93789139.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
DNS request
Opens a port
Collects information on the CPU
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a7a0d626b03a7667b719a5e/reports/ecd345a6-aa9d-4f59-9289-847dbdde8d70/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-08-10T22:24:00Z UTC
Last seen:
2026-08-10T22:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cfc832390a1ebd9dfd21393e1173b4f6a812db7f3662f51c7a2109e8d7d478c2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/04af9c9c-f806-43c0-9def-ebd269d4d1eb
Behavior Graph:
Download SVG
%3 guuid=30f4c67a-1b00-0000-c81f-c547510a0000 pid=2641 /usr/bin/sudo guuid=6d5d567e-1b00-0000-c81f-c547560a0000 pid=2646 /tmp/sample.bin mprotect-exec net send-data guuid=30f4c67a-1b00-0000-c81f-c547510a0000 pid=2641->guuid=6d5d567e-1b00-0000-c81f-c547560a0000 pid=2646 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=6d5d567e-1b00-0000-c81f-c547560a0000 pid=2646->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 155B guuid=00ce6f81-1b00-0000-c81f-c5475a0a0000 pid=2650 /tmp/sample.bin zombie guuid=6d5d567e-1b00-0000-c81f-c547560a0000 pid=2646->guuid=00ce6f81-1b00-0000-c81f-c5475a0a0000 pid=2650 clone
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cfc832390a1ebd9dfd21393e1173b4f6a812db7f3662f51c7a2109e8d7d478c2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cfc832390a1ebd9dfd21393e1173b4f6a812db7f3662f51c7a2109e8d7d478c2/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-08-10 17:34:38 UTC
File Type:
ELF64 Little (SO)
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7edeoikd26z37jbhe7bc45u62ubfw37gzrpkhd2eee6rv6updba._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery linux upx
Link:
https://tria.ge/reports/260810-v9a13sej6v/
Behaviour
Reads runtime system information
Checks CPU configuration
Checks hardware identifiers (DMI)
Unexpected DNS network traffic destination
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/cfc832390a1ebd9dfd21393e1173b4f6a812db7f3662f51c7a2109e8d7d478c2

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: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 cfc832390a1ebd9dfd21393e1173b4f6a812db7f3662f51c7a2109e8d7d478c2

(this sample)

Mirai

elf dfd5a6237aef39a63ec90c0054b3ab4da38c1e2650167d26b8d0c4c8e0f8fd74

  
URLhaus
https://urlhaus.abuse.ch/url/3901051/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 dfd5a6237aef39a63ec90c0054b3ab4da38c1e2650167d26b8d0c4c8e0f8fd74
  
Dropping
MD5 5c15785ed82f51866c4fa6224bbf0718
  
URLhaus
https://urlhaus.abuse.ch/url/3901056/
  
URLhaus
https://urlhaus.abuse.ch/url/3901088/
  
URLhaus
https://urlhaus.abuse.ch/url/3901095/

Comments