MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf88cfc04ac852d82482ab5f57f03709b9db2cf8f25cf4bfa01945ececae2658. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf88cfc04ac852d82482ab5f57f03709b9db2cf8f25cf4bfa01945ececae2658
SHA3-384 hash: 0fcffa854686bf77a32ddcb332f6fac9410abe68d0399d2d612390f42f47f2abbeab463ef1dd70326a9d20b2789eef03
SHA1 hash: 98d466170b4b90957f753b5b8862d799bbe35302
MD5 hash: 7de8ee4eb8283946b0a57b5c33d650fe
humanhash: december-snake-georgia-connecticut
File name:arm7
Download: download sample
Signature CoinMiner
Create hunting rule
File size:1'166'416 bytes
First seen:2025-02-10 04:41:25 UTC
Last seen:2025-02-10 05:20:09 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 24576:xSJPDUE6MZrqGiulq1x9Y/xK36FRgBQlLR/WuqpclyJOe:IJUE6MZqBlsxvu4/Wu2JF
TLSH T19A45334E1D0AFF11AE84D6355A4C5FF097C718AD00602DD49274DB419AD2C7EAFE2E2B
telfhash t1ad9002900f744091b4c19121d54ce9219f210e481cd42c3896608511e9e54092619c4a
Magika elf
Reporter abuse_ch
Tags:CoinMiner elf

Intelligence

File Origin
# of uploads :
2
# of downloads :
113
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Other.Malware-gen.31348.9113.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a984a549f32dfb0d82c598linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
DNS request
Changes the time when the file was created, accessed, or modified
Launching a process
Creating a file
Runs as daemon
Creates or modifies files in /cron to set up autorun
Substitutes an application name
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/bf88cfc04ac852d82482ab5f57f03709b9db2cf8f25cf4bfa01945ececae2658
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/e8f541ba-d2af-47cf-afd5-ed4091d83b91
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1610819
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: 1610819 Sample: arm7.elf Startdate: 10/02/2025 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.00x98d, 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/bf88cfc04ac852d82482ab5f57f03709b9db2cf8f25cf4bfa01945ececae2658
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf88cfc04ac852d82482ab5f57f03709b9db2cf8f25cf4bfa01945ececae2658/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-02-10 04:42:17 UTC
File Type:
ELF32 Little (SO)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6em7qckzbjnqjecvnpvp4bxbg45wlhy6jopjp5adfc6z3foezma._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/250210-fbtcfa1kfk/
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
XMRig Miner payload
Contacts a large (884801) amount of remote hosts
Creates a large amount of network flows
Xmrig family
xmrig
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5c57a4ab-d39b-4093-a8c1-bdb6029bc302
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/bf88cfc04ac852d82482ab5f57f03709b9db2cf8f25cf4bfa01945ececae2658

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 bf88cfc04ac852d82482ab5f57f03709b9db2cf8f25cf4bfa01945ececae2658

(this sample)

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

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