MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdcf4558b7dd3c034f933505238ed56824d13be1d3abca99626e7436f5cfda3d. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdcf4558b7dd3c034f933505238ed56824d13be1d3abca99626e7436f5cfda3d
SHA3-384 hash: 666ef71895379a7d3770884887f214144af98d6b97e1fe51f5f1cfd2d3d109f06297818f08e6bf79618cb3036b6f9ccd
SHA1 hash: 1e99a8d0b180d34fb7e71f1ea592980d4b0612e8
MD5 hash: 4055171ca5b9aa62d0547e44fb8e4b45
humanhash: lion-yankee-alpha-moon
File name:i686
Download: download sample
Signature CoinMiner
Create hunting rule
File size:1'676'456 bytes
First seen:2025-02-18 04:32:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 49152:eVNvgyq7MmakXgG715rQ0L8EiMrbnBSdoMFlz:kYyoqwDMXoMFlz
TLSH T124753333E0F4AA17C2FB7175EEEBEC9B6A0F09867A5C0E0D1B4D43B5A047616D16D620
Magika elf
Reporter abuse_ch
Tags:CoinMiner elf

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b40e8d28ab76d43a5b92fflinux22vpnfull_triage
Tags:
shellcode overt virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Runs as daemon
Connection attempt
Collects information on the CPU
Collects information on the RAM
Changes access rights for a written file
Receives data from a server
DNS request
Sends data to a server
Launching a process
Changes the time when the file was created, accessed, or modified
Kills processes
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:
packed upx
Link:
https://www.filescan.io/uploads/67b40d4e991985e0a95adc37/reports/9b41eba6-40d5-4ffb-a4b4-3d7f2d28e17c/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
61
Number of processes launched:
12
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/fdcf4558b7dd3c034f933505238ed56824d13be1d3abca99626e7436f5cfda3d
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
SUSPICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3730ccba-0101-49f9-b411-b6319211675e
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1617622
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
Sample is packed with UPX
Sample tries to persist itself using cron
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1617622 Sample: i686.elf Startdate: 18/02/2025 Architecture: LINUX Score: 84 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Xmrig cryptocurrency miner 2->41 43 Sample is packed with UPX 2->43 8 i686.elf 2->8         started        process3 signatures4 51 Found strings related to Crypto-Mining 8->51 11 i686.elf 8->11         started        process5 process6 13 i686.elf sh 11->13         started        15 i686.elf sh 11->15         started        17 i686.elf sh 11->17         started        19 5 other processes 11->19 process7 21 sh crontab 13->21         started        25 sh crontab 13->25         started        27 sh 13->27         started        29 sh iptables 15->29         started        31 sh which 17->31         started        33 sh which 19->33         started        file8 35 /var/spool/cron/crontabs/tmp.xPjC5d, ASCII 21->35 dropped 45 Sample tries to persist itself using cron 21->45 47 Executes the "crontab" command typically for achieving persistence 21->47 49 Executes the "iptables" command to insert, remove and/or manipulate rules 29->49 signatures9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fdcf4558b7dd3c034f933505238ed56824d13be1d3abca99626e7436f5cfda3d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fdcf4558b7dd3c034f933505238ed56824d13be1d3abca99626e7436f5cfda3d/
Threat name:
Win32.Coinminer.XMRig
Create hunting rule
Status:
Malicious
First seen:
2025-02-18 04:33:11 UTC
File Type:
ELF32 Little (SO)
AV detection:
16 of 24 (66.67%)
Threat level:
  4/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xhukwfx3u6agt4tgucshdwvnasnco7b2ov4vglcnz2dn5op3i6q._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery execution linux persistence privilege_escalation rootkit upx
Link:
https://tria.ge/reports/250218-e51g6sxlct/
Behaviour
Creates/modifies Cron job
Loads a kernel module
Unexpected DNS network traffic destination
Contacts a large (3009523) amount of remote hosts
Creates a large amount of network flows
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e15348df-a5b4-43e2-82c6-a604f704ed9a
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 fdcf4558b7dd3c034f933505238ed56824d13be1d3abca99626e7436f5cfda3d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3439624/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3138431/

Comments