MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af3aca26bc1a70e44c1609bd190c8228e50fd866fd1ee549c19b57d6921843ad. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af3aca26bc1a70e44c1609bd190c8228e50fd866fd1ee549c19b57d6921843ad
SHA3-384 hash: 95cbebeb07168ea10e3640a4702c579a89e566a4487249424fbc01d0858647607ffd4e4e3351a0cc3ff66fa3eceec909
SHA1 hash: a5252cdd41d57cfa1b41be244df68b833ce8e27a
MD5 hash: 2251c195b71d2607f26cbd9337b65e6b
humanhash: football-fruit-bulldog-salami
File name:x86_64
Download: download sample
Signature CoinMiner
Create hunting rule
File size:1'725'832 bytes
First seen:2025-02-18 04:57:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 49152:abYXX4m2xDAnNwD3kYA40OmZ6h/FP129nL:ZXX4m2x4Y3kYA40OmAh4L
TLSH T14F8533971C9F9D8F98B0077B11B3FEA5E9C7D00748DC86C869D848E167E2FA31984D98
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
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=67b413eba0fd713c335b867alinux22vpnfull_triage
Tags:
overt virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
Collects information on the RAM
DNS request
Changes the time when the file was created, accessed, or modified
Launching a process
Creating a file
Locks files
Runs as daemon
Collects information on the CPU
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed upx
Link:
https://www.filescan.io/uploads/67b41324c24a487ec9d39f1b/reports/a489e83f-322c-4c2d-8a90-f07c9d1096ff/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
129
Number of processes launched:
12
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/af3aca26bc1a70e44c1609bd190c8228e50fd866fd1ee549c19b57d6921843ad
Behaviour
Anti-VM
Process Renaming
Information Gathering
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/ee8d79ef-02b9-4b7a-92b6-3aa4b3e96202
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1617642
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
Tries to load the MSR kernel module used for reading/writing to CPUs model specific register
Writes to CPU model specific registers (MSR) (e.g. miners improve performance by disabling HW prefetcher)
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1617642 Sample: x86_64.elf Startdate: 18/02/2025 Architecture: LINUX Score: 92 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Xmrig cryptocurrency miner 2->44 46 Sample is packed with UPX 2->46 8 x86_64.elf 2->8         started        process3 signatures4 56 Found strings related to Crypto-Mining 8->56 11 x86_64.elf 8->11         started        process5 signatures6 58 Writes to CPU model specific registers (MSR) (e.g. miners improve performance by disabling HW prefetcher) 11->58 14 x86_64.elf sh 11->14         started        16 x86_64.elf sh 11->16         started        18 x86_64.elf sh 11->18         started        20 6 other processes 11->20 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 modprobe 18->32         started        34 sh which 20->34         started        36 sh which 20->36         started        file9 38 /var/spool/cron/crontabs/tmp.TBwQ4Q, ASCII 22->38 dropped 48 Sample tries to persist itself using cron 22->48 50 Executes the "crontab" command typically for achieving persistence 22->50 52 Executes the "iptables" command to insert, remove and/or manipulate rules 30->52 54 Tries to load the MSR kernel module used for reading/writing to CPUs model specific register 32->54 signatures10
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/af3aca26bc1a70e44c1609bd190c8228e50fd866fd1ee549c19b57d6921843ad
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af3aca26bc1a70e44c1609bd190c8228e50fd866fd1ee549c19b57d6921843ad/
Threat name:
Win32.Coinminer.XMRig
Create hunting rule
Status:
Malicious
First seen:
2025-02-18 04:58:09 UTC
File Type:
ELF64 Little (SO)
AV detection:
15 of 24 (62.50%)
Threat level:
  4/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v45mujv4djyoitawbg6rsdecfdsq7wdg7upoksobtnl5neqyiowq._file
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig antivm discovery execution linux miner persistence privilege_escalation upx
Link:
https://tria.ge/reports/250218-flbkdaxnam/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads CPU attributes
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Reads hardware information
Unexpected DNS network traffic destination
Contacts a large (2099989) 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/949eafc9-79a2-4bf0-af3c-64a24cebb4db
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/af3aca26bc1a70e44c1609bd190c8228e50fd866fd1ee549c19b57d6921843ad

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 af3aca26bc1a70e44c1609bd190c8228e50fd866fd1ee549c19b57d6921843ad

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3439625/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3138428/

Comments