MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfeb8d146796a31a243bf51b7b903b62ac99ed309885aa4dd16b01df0696a1e6. 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: cfeb8d146796a31a243bf51b7b903b62ac99ed309885aa4dd16b01df0696a1e6
SHA3-384 hash: 2660fce2c4ac542660776e0fc7627dfcd74689707bcb6a16f6e99705a5df8ac6b35afc134cb8f7d7d0c0f4bb252584bf
SHA1 hash: a55ceb3e3230e3ee405786410ccf2fae8638ae68
MD5 hash: a6a691e1d30e94a786d013639865584b
humanhash: william-fifteen-batman-princess
File name:arm7
Download: download sample
Signature CoinMiner
Create hunting rule
File size:1'165'756 bytes
First seen:2025-02-18 04:42:06 UTC
Last seen:2025-02-18 05:25:31 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 24576:XPP1k96RsUHsOxF7a3NzJe1T4LuLwsvuAJz7MnE5D66hG4qhMtXCS:fPm96QC+FJe9+uX7ME5D6P4qhMVCS
TLSH T1B64533346394B467F46040A4AE78F3C9434DD2A971271AA34B00A39FCBF759B5AB63DC
telfhash t109900260adc0241110595010b79eb854670030742cf8394f84727530a25154045b69a2
Magika elf
Reporter abuse_ch
Tags:CoinMiner elf

Intelligence

File Origin
# of uploads :
2
# of downloads :
126
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Other.Malware-gen.31269.1538.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b410e3a0fd713c335b8662linux22vpnfull_triage
Tags:
n/a
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/67b40fa1de8d8ae2bd458e0d/reports/ce37f3fa-8493-445f-97b8-87c28d889806/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/cfeb8d146796a31a243bf51b7b903b62ac99ed309885aa4dd16b01df0696a1e6
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
SUSPICIOUS
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/69b201d9-ddb5-47b3-9202-03ccb7e8d64e
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1617631
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: 1617631 Sample: arm7.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 arm7.elf 2->8         started        process3 signatures4 51 Found strings related to Crypto-Mining 8->51 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 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.NEet1U, 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/cfeb8d146796a31a243bf51b7b903b62ac99ed309885aa4dd16b01df0696a1e6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cfeb8d146796a31a243bf51b7b903b62ac99ed309885aa4dd16b01df0696a1e6/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-02-18 04:42:11 UTC
File Type:
ELF32 Little (SO)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z7vy2fdhs2rrujb36unxxeb3mkwjt3jqtcc2utornma56buwuhta._file
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig antivm discovery execution miner persistence privilege_escalation upx
Link:
https://tria.ge/reports/250218-fbqljsxmcr/
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
Unexpected DNS network traffic destination
Contacts a large (1187576) 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/b09a0414-d76d-408e-86cc-fdabc16d526c
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/cfeb8d146796a31a243bf51b7b903b62ac99ed309885aa4dd16b01df0696a1e6

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
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 cfeb8d146796a31a243bf51b7b903b62ac99ed309885aa4dd16b01df0696a1e6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3138430/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3439627/

Comments