MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc4b8678d0fca85d3f80017b13e87f9b3eb8a279afe7f69db8f4fa7d65c3e5bc. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc4b8678d0fca85d3f80017b13e87f9b3eb8a279afe7f69db8f4fa7d65c3e5bc
SHA3-384 hash: 54340df824b03190f405655cd48f5b5ca92824e28d8be4a4cee1822e3611fd02760d9bffccde74df6f4a5b333ef23550
SHA1 hash: 4ea40b487d18b0e1315330b2574e5214032b2c85
MD5 hash: f61b1b6aab4b2f0ecbcc86c9f9ed583e
humanhash: spaghetti-ten-low-don
File name:poop
Download: download sample
Signature CoinMiner
Create hunting rule
File size:1'309'484 bytes
First seen:2026-03-05 02:19:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:BhNOWAYQYpvO3xm1p0zWjHGuAsY5+uB3cVvV01nQNhaLv9nHrp3qpO6LQHcCK:B9AiZOBm1SuG3ziK1neaLv9HtsLQ8T
TLSH T19A55333B879BB6DBE1E7D2B04913E4C88B3C4A6F55184F02836E947B928723277193D5
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:CoinMiner elf UPX
File size (compressed) :1'309'484 bytes
File size (de-compressed) :3'874'824 bytes
Format:linux/amd64
Unpacked file: caff27b96786e8304233ceaa6e497790c2104c15c9cf55f694483c6ca8dbe4c3

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/081538f4-3720-4752-9f6c-511756397f89/
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
coinminer kinsing miner packed upx
Link:
https://www.filescan.io/uploads/69a8e86397feb4afd66af1d7/reports/3e58edcf-b01f-4ae1-93d6-a477864c080c/overview
Result
Gathering data
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/957509d9-807f-422d-b5bd-e903e395fcf8
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1878573
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1878573 Sample: poop.elf Startdate: 05/03/2026 Architecture: LINUX Score: 56 21 169.254.169.254, 80 USDOSUS Reserved 2->21 23 daisy.ubuntu.com 162.213.35.25, 443, 47296 CANONICAL-ASGB United States 2->23 25 Multi AV Scanner detection for submitted file 2->25 27 Sample is packed with UPX 2->27 7 poop.elf 2->7         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 19 /tfcbhkl, data 7->19 dropped 29 Sample deletes itself 7->29 13 poop.elf tfcbhkl 7->13         started        15 poop.elf tfcbhkl 7->15         started        17 poop.elf 7->17         started        signatures6 process7
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bc4b8678d0fca85d3f80017b13e87f9b3eb8a279afe7f69db8f4fa7d65c3e5bc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc4b8678d0fca85d3f80017b13e87f9b3eb8a279afe7f69db8f4fa7d65c3e5bc/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xrfym6gq7suf2p4aaf5rh2d7tm7lritzv7t7nhny6t5h2zod4w6a._file
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig antivm credential_access defense_evasion discovery execution linux miner persistence privilege_escalation upx
Link:
https://tria.ge/reports/260305-cskj3shs7j/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Changes its process name
Checks CPU configuration
Reads CPU attributes
UPX packed file
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Modifies init.d
Reads hardware information
Writes file to system bin folder
Executes dropped EXE
Modifies PAM framework files
Unexpected DNS network traffic destination
XMRig Miner payload
Xmrig family
xmrig
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bc4b8678d0fc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/bc4b8678d0fca85d3f80017b13e87f9b3eb8a279afe7f69db8f4fa7d65c3e5bc

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

CoinMiner

elf bc4b8678d0fca85d3f80017b13e87f9b3eb8a279afe7f69db8f4fa7d65c3e5bc

(this sample)

CoinMiner

elf caff27b96786e8304233ceaa6e497790c2104c15c9cf55f694483c6ca8dbe4c3

  
URLhaus
https://urlhaus.abuse.ch/url/3772266/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 caff27b96786e8304233ceaa6e497790c2104c15c9cf55f694483c6ca8dbe4c3
  
Dropping
MD5 1e36aa1b4561f62548aa566012f72d57
  
URLhaus
https://urlhaus.abuse.ch/url/3762421/

Comments