MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4661f6ee571fadbbb0dcd7371bd047d50a4c751dd849836a1290da1348004b2. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: f4661f6ee571fadbbb0dcd7371bd047d50a4c751dd849836a1290da1348004b2
SHA3-384 hash: fdf6cd42a76985c326f07122fa804425fd3ce653a67b757e1a3abab28257f82a9c445debd3b503036018cb18aad50e82
SHA1 hash: 747d7e45cb7dc1ffc227945d7295571ac29e0a7c
MD5 hash: a3eec7e67e389c72ad453a71b57e03fe
humanhash: green-rugby-muppet-chicken
File name:i686
Download: download sample
Signature CoinMiner
File size:1'683'412 bytes
First seen:2025-07-15 23:25:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 49152:nzuh+BHv635VPgAcgRs43GEhPDgFzgSfdxqNjfE3L:nCsIJuTkY6gF9fd6f6L
TLSH T1A075333E5E56C90D5C20D32E28C4319159BA52D035099DEE634FE163A07EFE1E88AF7E
Magika elf
Reporter abuse_ch
Tags:CoinMiner elf

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the RAM
Sends data to a server
Creating a file
Receives data from a server
Changes the time when the file was created, accessed, or modified
Collects information on the CPU
Launching a process
Connection attempt
Kills processes
Changes access rights for a written file
Runs as daemon
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
65
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
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: 1737587 Sample: i686.elf Startdate: 16/07/2025 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 i686.elf 11->20         started        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        40 2 other processes 16->40 34 sh iptables 18->34         started        36 sh iptables 18->36         started        38 i686.elf 20->38         started        file9 42 /var/spool/cron/crontabs/tmp.IBXHAq, 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:
2025-07-15 23:26:15 UTC
File Type:
ELF32 Little (SO)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution linux motw persistence phishing privilege_escalation rootkit upx
Behaviour
Creates/modifies Cron job
Mark of the Web detected: This indicates that the page was originally saved or cloned.
Loads a kernel module
Unexpected DNS network traffic destination
Contacts a large (999328) 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
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 f4661f6ee571fadbbb0dcd7371bd047d50a4c751dd849836a1290da1348004b2

(this sample)

  
Delivery method
Distributed via web download

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