MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec141b4e1d603702f50d323d382bca4060950d8a4b5034a064096ff4f00fcdb2. 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


CoinMiner


Vendor detections: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec141b4e1d603702f50d323d382bca4060950d8a4b5034a064096ff4f00fcdb2
SHA3-384 hash: cfa122cabf92a54e103b8f98291ac10f92e4df3dff311e0d223246febc8aab05a6ebea648ffb02513936101b5930d10e
SHA1 hash: b95190f4e2277702b2aa1185a1f2845bb4644f85
MD5 hash: 4f2f30ee98d1a62a5c24a204e8d294f0
humanhash: uncle-jupiter-yellow-lamp
File name:kworkerd-softirq
Download: download sample
Signature CoinMiner
Create hunting rule
File size:100'520 bytes
First seen:2026-06-26 09:05:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:PWyNk/iVGj68HdnMcaOImrHcP8ZBqTwB4vnuUjbrpGyfpiBkyJTh1:+yMu8HdMccmrHM8uwB4vnpboyhYkeX
TLSH T13BA312E5AD1B5D81EEB3087FAF324F00B73548B40072A066B65943BBE8278D741FA725
Magika elf
Reporter abuse_ch
Tags:CoinMiner elf UPX
File size (compressed) :100'520 bytes
File size (de-compressed) :231'244 bytes
Format:linux/arm
Unpacked file: adb6d88c2cc0205310fabcd7356b14e671bf24f3863238c9c4968bf6cadff0c8

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Opens a port
Creating a file in the %temp% directory
Changes access rights for a written file
Creating a file
Connection attempt
Runs as daemon
Sets a written file as executable
Launching a process
Manages services
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a3e40e2aae7206ae9e7f19e/reports/42a7fc6c-5afe-41ee-8c4e-d5a893b0f8aa/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f0cbf19b-dadc-456a-9007-ce136353f35f
Behavior Graph:
Download SVG
%3 guuid=2dd0639b-1900-0000-7dd5-3b2334140000 pid=5172 /usr/bin/sudo guuid=be455aa0-1900-0000-7dd5-3b2335140000 pid=5173 /tmp/sample.bin guuid=2dd0639b-1900-0000-7dd5-3b2334140000 pid=5172->guuid=be455aa0-1900-0000-7dd5-3b2335140000 pid=5173 execve
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/1123af29-14da-4efd-a842-eb8c075e0618
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
evad.mine
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1934119
Signature
Found strings related to Crypto-Mining
Performs DNS TXT record lookups
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1934119 Sample: kworkerd-softirq.elf Startdate: 26/06/2026 Architecture: LINUX Score: 56 33 api.robotmarkethub.com 2->33 35 91.239.211.89, 80 HOSTKEY-ASNL Germany 2->35 37 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->37 39 Yara detected Xmrig cryptocurrency miner 2->39 10 kworkerd-softirq.elf 2->10         started        13 systemd sh 2->13         started        15 systemd snapd-env-generator 2->15         started        17 systemd snapd-env-generator 2->17         started        signatures3 41 Performs DNS TXT record lookups 33->41 process4 signatures5 43 Found strings related to Crypto-Mining 10->43 19 kworkerd-softirq.elf 10->19         started        21 sh wget 13->21         started        process6 process7 23 kworkerd-softirq.elf 19->23         started        process8 25 kworkerd-softirq.elf sh 23->25         started        27 kworkerd-softirq.elf sh 23->27         started        process9 29 sh systemctl 25->29         started        31 sh systemctl 27->31         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ec141b4e1d603702f50d323d382bca4060950d8a4b5034a064096ff4f00fcdb2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec141b4e1d603702f50d323d382bca4060950d8a4b5034a064096ff4f00fcdb2/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5qkbwtq5ma3qf5ingi6tqk6kibqjkdmkjnidjidebfx7j4apzwza._file
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:elf_arm_mips_ko_so
Create hunting rule
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
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

CoinMiner

elf ec141b4e1d603702f50d323d382bca4060950d8a4b5034a064096ff4f00fcdb2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3868022/
  
Delivery method
Distributed via web download

Comments