MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ef6bb55a79d81fbda6d574456a8c187f610c5ae2ddca38e32cf7cc50912b0bf. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ef6bb55a79d81fbda6d574456a8c187f610c5ae2ddca38e32cf7cc50912b0bf
SHA3-384 hash: 708dbf2fb296af03f0d5b417167a4da86d3d1df101b5b932435d0305d51cb2412544c789314293ba868c214cfd8a23a3
SHA1 hash: 26f553d492093a675bdcd2caed6e43401093e5c5
MD5 hash: 10a79e25dcfac3314a0f61b9811c53f3
humanhash: lamp-burger-fruit-friend
File name:arm7
Download: download sample
Signature CoinMiner
Create hunting rule
File size:1'240'920 bytes
First seen:2025-03-16 00:17:50 UTC
Last seen:2025-03-16 01:23:18 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 24576:DWbIOVlftBpT4tO7151wpbPxUjybyWxT1gA2WR5+Jt3D+:CES5C47JqbPxxT5PT+jD+
TLSH T1764533D03D5F2762E2E132274EE56200AF7AA634B8135453ACD177A87C54726FAF0DE8
telfhash t1c590022b48f9841041e44629a26b554514314a027231320147d266056ace8822a87846
Magika elf
Reporter abuse_ch
Tags:CoinMiner elf

Intelligence

File Origin
# of uploads :
2
# of downloads :
166
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d6360e3962f1a6f471bebelinux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Launching a process
Creating a file
Runs as daemon
Collects information on the RAM
Changes access rights for a written file
Kills processes
Receives data from a server
Changes the time when the file was created, accessed, or modified
Sends data to a server
Collects information on the CPU
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/67d618f7b03273ba9970f926/reports/ee000422-2351-4b8d-a333-9ce6e08932f3/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/2ef6bb55a79d81fbda6d574456a8c187f610c5ae2ddca38e32cf7cc50912b0bf
Behaviour
no suspicious findings
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/876d8b9e-6395-4879-9da1-ee5f4dbebe9f
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1639651
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: 1639651 Sample: arm7.elf Startdate: 16/03/2025 Architecture: LINUX Score: 84 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Xmrig cryptocurrency miner 2->47 49 Sample is packed with UPX 2->49 8 arm7.elf 2->8         started        process3 signatures4 57 Found strings related to Crypto-Mining 8->57 11 arm7.elf 8->11         started        process5 process6 13 arm7.elf sh 11->13         started        15 arm7.elf sh 11->15         started        17 arm7.elf sh 11->17         started        19 6 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 iptables 15->31         started        37 2 other processes 15->37 33 sh iptables 17->33         started        35 sh iptables 17->35         started        39 3 other processes 19->39 file8 41 /var/spool/cron/crontabs/tmp.5geUo2, ASCII 21->41 dropped 51 Sample tries to persist itself using cron 21->51 53 Executes the "crontab" command typically for achieving persistence 21->53 55 Executes the "iptables" command to insert, remove and/or manipulate rules 33->55 signatures9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2ef6bb55a79d81fbda6d574456a8c187f610c5ae2ddca38e32cf7cc50912b0bf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ef6bb55a79d81fbda6d574456a8c187f610c5ae2ddca38e32cf7cc50912b0bf/
Threat name:
Linux.Coinminer.Generic
Create hunting rule
Status:
Malicious
First seen:
2025-03-16 00:18:30 UTC
File Type:
ELF32 Little (SO)
AV detection:
6 of 36 (16.67%)
Threat level:
  4/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f33lwvnhtwa7xwtnk5cfnkgbq73bbrnofxokhdrsz56mkciswc7q._file
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig antivm defense_evasion discovery execution miner persistence privilege_escalation upx
Link:
https://tria.ge/reports/250316-alzpbazqv3/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads CPU attributes
Creates/modifies Cron job
Enumerates running processes
Reads network interface configuration
Creates Raw socket
Flushes firewall rules
Unexpected DNS network traffic destination
Contacts a large (881571) amount of remote hosts
Creates a large amount of network flows
XMRig Miner payload
Xmrig family
xmrig
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7dd1cde0-eb1d-463a-9c6f-636279e89b5d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2ef6bb55a79d81fbda6d574456a8c187f610c5ae2ddca38e32cf7cc50912b0bf

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:elf_arm_mips_ko_so
Create hunting rule
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
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:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
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 2ef6bb55a79d81fbda6d574456a8c187f610c5ae2ddca38e32cf7cc50912b0bf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3138430/
  
Delivery method
Distributed via web download

Comments