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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 423ebf3f807b93565a2f8752d172f7c63a186c18bc20bf75c8915f0e1f6bbd4d. 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


Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 423ebf3f807b93565a2f8752d172f7c63a186c18bc20bf75c8915f0e1f6bbd4d
SHA3-384 hash: b7140bfe4de5b956d9e0627867a5b513a07f881034dc6f04cec55f465b33f80f1d0a6dfdeddd585b62de872616055399
SHA1 hash: a463391cd267b7695a0bcdf8d740e66be0a63eda
MD5 hash: f9924554fa3a3b3e1cce40c3aaf5f0c8
humanhash: seven-delta-ack-mirror
File name:kworker_u8
Download: download sample
File size:1'980'532 bytes
First seen:2026-10-04 04:33:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:Ag4rvGn96xSuQbg6ThBJt6DK38Pkak5TAvNpf:AzvGn9Yl6d58K38Pkgpf
TLSH T17C95331767E246E0C7DFA6BD35771BBE96C7E40A9BC209C0104B1B8701D58D37AA7E0A
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
IN IN
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Vision.112.26540.1021.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Collects information on the CPU
Creating a file in the %temp% subdirectories
Receives data from a server
Sends data to a server
Collects information on the OS
Connection attempt
Launching a process
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-10-04T02:03:00Z UTC
Last seen:
2026-10-05T21:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/423ebf3f807b93565a2f8752d172f7c63a186c18bc20bf75c8915f0e1f6bbd4d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ef4fdcd2-3074-49c0-8020-0f975f04041e
Behavior Graph:
Download SVG
%3 guuid=0f329a24-1c00-0000-ed49-0bdaef0a0000 pid=2799 /usr/bin/sudo guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2805 /tmp/sample.bin net write-file guuid=0f329a24-1c00-0000-ed49-0bdaef0a0000 pid=2799->guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2805 execve 8e17e37a-ac8c-5969-9db0-fda5d75bcc15 94.183.174.75:443 guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2805->8e17e37a-ac8c-5969-9db0-fda5d75bcc15 con guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2869 /tmp/sample.bin guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2805->guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2869 clone guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2870 /tmp/sample.bin net guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2805->guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2870 clone guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2871 /tmp/sample.bin dns net send-data write-file guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2805->guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2871 clone guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2872 /tmp/sample.bin dns net send-data guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2805->guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2872 clone 68be2212-4fc4-5131-93cb-d738da932b65 speed.cloudflare.com:80 guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2870->68be2212-4fc4-5131-93cb-d738da932b65 con guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2871->8e17e37a-ac8c-5969-9db0-fda5d75bcc15 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2871->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 49B b619669b-6add-5aba-88d3-b4e40271df50 speed.cloudflare.com:53 guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2871->b619669b-6add-5aba-88d3-b4e40271df50 con guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2872->68be2212-4fc4-5131-93cb-d738da932b65 send: 84B guuid=357e8a27-1c00-0000-ed49-0bdaf50a0000 pid=2872->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 49B
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/13279c16-c8c1-4b45-bfbd-c12aec6d869c
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/423ebf3f807b93565a2f8752d172f7c63a186c18bc20bf75c8915f0e1f6bbd4d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/423ebf3f807b93565a2f8752d172f7c63a186c18bc20bf75c8915f0e1f6bbd4d/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-10-04 04:24:04 UTC
File Type:
ELF64 Little (Exe)
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ii7l6p4apojvmwrpq5jnc4xxyy5bq3ayxqql65oisfpq4h3lxvgq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Link:
https://tria.ge/reports/261004-e7apjavxhy/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Enumerates running processes
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/423ebf3f807b93565a2f8752d172f7c63a186c18bc20bf75c8915f0e1f6bbd4d

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: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_antiunpack_elf64
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF64

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

elf 423ebf3f807b93565a2f8752d172f7c63a186c18bc20bf75c8915f0e1f6bbd4d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3928212/
  
Delivery method
Distributed via web download

Comments