MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a531f3e6224862abd00091c4955d535ace2bb886df53bdcd59c3a32b44c93629. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a531f3e6224862abd00091c4955d535ace2bb886df53bdcd59c3a32b44c93629
SHA3-384 hash: beede5218dc55b025fc58106f5713831a83f0fe7da10de81a7caf9ee4a1fc6bada121b37399850a19b46ce35793783a6
SHA1 hash: 854a1b0645726d7d1e5d090a67cdda53396aa7d4
MD5 hash: 59ed6584c46d0acf17196546091f4f17
humanhash: carpet-fillet-coffee-magnesium
File name:x86_64
Download: download sample
Signature CoinMiner
Create hunting rule
File size:1'954'892 bytes
First seen:2026-07-19 05:57:22 UTC
Last seen:2026-07-20 05:41:23 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:TDAsg2ugVOgzI9YCi4fU38JSz1mUZX6cw6m1ox7i+:T8sgucgzI9PTMsJSz1RZUw
TLSH T103953308CED55C5E90583F653C9197895EB49AA2BE17F3FF2188584BCCE1D23ED8306A
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) :1'954'892 bytes
File size (de-compressed) :5'064'720 bytes
Format:linux/amd64
Unpacked file: f7fe0d0be53dc875f6101bce77f3314b3ee40319106fc87da06bf93e6c51ac8c

Intelligence

File Origin
# of uploads :
5
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/e7731793-11c2-4a91-a5e0-64fe07ff83bd/
Detection(s):
SecuriteInfo.com.Other.Malware-gen.41463247.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sends data to a server
Receives data from a server
Changes access rights for a written file
Runs as daemon
Changes the time when the file was created, accessed, or modified
Kills processes
Locks files
Collects information on the CPU
Launching a process
Collects information on the RAM
Connection attempt
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a5c674eabef429e5d92dfd1/reports/eff340f6-42f5-43db-bcc5-a4148c2dc3a8/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
68
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a531f3e6224862abd00091c4955d535ace2bb886df53bdcd59c3a32b44c93629
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-07-19T03:18:00Z UTC
Last seen:
2026-07-21T01:39:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/a531f3e6224862abd00091c4955d535ace2bb886df53bdcd59c3a32b44c93629/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb134cdd-b9b0-4e5d-82e8-3fa8963e4a10
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1944724
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Executes the "iptables" command to insert, remove and/or manipulate rules
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Sample is packed with UPX
Sample tries to persist itself using cron
Suricata IDS alerts for network traffic
Tries to load the MSR kernel module used for reading/writing to CPUs model specific register
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1944724 Sample: x86_64.elf Startdate: 19/07/2026 Architecture: LINUX Score: 96 45 185.156.114.176 XFIBER-ASNO Norway 2->45 47 192.204.218.231 WINDSTREAM-WindstreamCommunicationsLLCUS United States 2->47 49 98 other IPs or domains 2->49 51 Suricata IDS alerts for network traffic 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Xmrig cryptocurrency miner 2->55 57 2 other signatures 2->57 9 x86_64.elf 2->9         started        signatures3 process4 process5 11 x86_64.elf 9->11         started        signatures6 69 Opens /sys/class/net/* files useful for querying network interface information 11->69 14 x86_64.elf sh 11->14         started        16 x86_64.elf sh 11->16         started        18 x86_64.elf sh 11->18         started        20 2 other processes 11->20 process7 signatures8 23 sh crontab 14->23         started        27 sh crontab 14->27         started        29 sh 14->29         started        31 sh iptables 16->31         started        33 sh iptables 16->33         started        39 2 other processes 16->39 35 sh iptables 18->35         started        37 sh iptables 18->37         started        59 Found strings related to Crypto-Mining 20->59 41 2 other processes 20->41 process9 file10 43 /var/spool/cron/crontabs/tmp.FlYHq6, ASCII 23->43 dropped 61 Sample tries to persist itself using cron 23->61 63 Executes the "crontab" command typically for achieving persistence 23->63 65 Executes the "iptables" command to insert, remove and/or manipulate rules 35->65 67 Tries to load the MSR kernel module used for reading/writing to CPUs model specific register 41->67 signatures11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a531f3e6224862abd00091c4955d535ace2bb886df53bdcd59c3a32b44c93629
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a531f3e6224862abd00091c4955d535ace2bb886df53bdcd59c3a32b44c93629/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-07-19 05:59:12 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uuy7hzrcjbrkxuaashcjkxktllhcxoeg35j33tkzyorswrgjgyuq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/260719-gnwtrscy8q/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads CPU attributes
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Reads hardware information
Reads network interface configuration
Creates Raw socket
Flushes firewall rules
Unexpected DNS network traffic destination
Contacts a large (426162) amount of remote hosts
Creates a large amount of network flows
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: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: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_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 a531f3e6224862abd00091c4955d535ace2bb886df53bdcd59c3a32b44c93629

(this sample)

CoinMiner

elf f7fe0d0be53dc875f6101bce77f3314b3ee40319106fc87da06bf93e6c51ac8c

  
URLhaus
https://urlhaus.abuse.ch/url/3888358/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 f7fe0d0be53dc875f6101bce77f3314b3ee40319106fc87da06bf93e6c51ac8c
  
Dropping
MD5 83a66686b40e1110de5065a45e273f80

Comments