MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 306c4e975edd4a95ae67c669cac871c233a5a7dd6591afa963b79304decc45ed. 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

SHA256 hash: 306c4e975edd4a95ae67c669cac871c233a5a7dd6591afa963b79304decc45ed
SHA3-384 hash: 473579b4f51889ed227b78f0e800ff758610a06a2f63512c4c012d5a7e0cf3fc32628bd52e2bf34b386665a6f4ed427c
SHA1 hash: 2770b58a1e42116cea221b847988dbd7d30fd70e
MD5 hash: a55dfdb3c671c55b0e28805fa9a49c06
humanhash: tango-sweet-california-wolfram
File name:i686
Download: download sample
Signature CoinMiner
File size:1'788'036 bytes
First seen:2025-06-28 04:52:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 49152:l1WOKiAmK2Vr5sqtnhncgfiXGor1CwWqnGl0NUBCd46PTtZd:q7otNSqthCXGoZ3n+0N/TDd
TLSH T1DE8533E75226413B875B2037B3408E5A5A3BC732F69BDD23891A9F8BF91F3155DA08C1
Magika elf
Reporter abuse_ch
Tags:CoinMiner elf

Intelligence


File Origin
# of uploads :
1
# of downloads :
94
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sends data to a server
Changes the time when the file was created, accessed, or modified
Collects information on the CPU
Connection attempt
Collects information on the RAM
Kills processes
Changes access rights for a written file
Launching a process
Runs as daemon
Receives data from a server
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
142
Number of processes launched:
16
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
88 / 100
Signature
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
Malicious sample detected (through community Yara rule)
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
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1724530 Sample: i686.elf Startdate: 28/06/2025 Architecture: LINUX Score: 88 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Xmrig cryptocurrency miner 2->48 50 Sample is packed with UPX 2->50 8 i686.elf 2->8         started        process3 signatures4 58 Found strings related to Crypto-Mining 8->58 11 i686.elf 8->11         started        process5 signatures6 60 Opens /sys/class/net/* files useful for querying network interface information 11->60 14 i686.elf sh 11->14         started        16 i686.elf sh 11->16         started        18 i686.elf sh 11->18         started        20 6 other processes 11->20 process7 process8 22 sh crontab 14->22         started        26 sh crontab 14->26         started        28 sh 14->28         started        30 sh iptables 16->30         started        32 sh iptables 16->32         started        38 2 other processes 16->38 34 sh iptables 18->34         started        36 sh iptables 18->36         started        40 3 other processes 20->40 file9 42 /var/spool/cron/crontabs/tmp.HVv7Wj, ASCII 22->42 dropped 52 Sample tries to persist itself using cron 22->52 54 Executes the "crontab" command typically for achieving persistence 22->54 56 Executes the "iptables" command to insert, remove and/or manipulate rules 34->56 signatures10
Threat name:
Linux.Trojan.Generic
Status:
Suspicious
First seen:
2025-06-28 04:53:27 UTC
File Type:
ELF32 Little (SO)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution linux persistence privilege_escalation rootkit upx
Behaviour
Creates/modifies Cron job
Loads a kernel module
Unexpected DNS network traffic destination
Contacts a large (2641617) amount of remote hosts
Creates a large amount of network flows
Verdict:
Informative
Tags:
n/a
YARA:
n/a
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
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_packed_elf_v1
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 306c4e975edd4a95ae67c669cac871c233a5a7dd6591afa963b79304decc45ed

(this sample)

  
Delivery method
Distributed via web download

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