MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91255d6b89dfce5395cc3a5d8ac788e4560af19a25ed8292620408320d06f13e. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91255d6b89dfce5395cc3a5d8ac788e4560af19a25ed8292620408320d06f13e
SHA3-384 hash: e937ad320cc8c0dbc2cb997b0a15b7c5c7a29096f73e872b2d17931dfe7cbf3591c97acea3840f83b044fcfa2362ef82
SHA1 hash: 7b4f6027c2cdf73122aa013820aa1e8d9d117f48
MD5 hash: 52b33ddcfe3cd2261c1d70870dff8d75
humanhash: floor-carbon-violet-neptune
File name:x86_64
Download: download sample
Signature CoinMiner
Create hunting rule
File size:1'831'764 bytes
First seen:2025-06-24 22:03:46 UTC
Last seen:2025-06-25 11:17:32 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 24576:1wdDBhsPnz/Gbrr2NZYL6E62hKXkLdse6yc68Ur5HNet6fXvlCMiSNSGfLBls1V:1whBan7Gbupugkhvf35tet68bGfHs1V
TLSH T1548533B7C88B5E71EF1468287159614CD5C35A32E9BA177FEE13B72218EE9086373309
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 :
3
# of downloads :
104
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=685b2105b06783b9ebd71a4alinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Changes the time when the file was created, accessed, or modified
Collects information on the CPU
Collects information on the RAM
Changes access rights for a written file
Kills processes
Launching a process
Runs as daemon
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/685b21613faf8fcd7d400a58/reports/f6249b49-3f3d-46ae-ade7-ba7e6d46516f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
101
Number of processes launched:
13
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/91255d6b89dfce5395cc3a5d8ac788e4560af19a25ed8292620408320d06f13e
Behaviour
Anti-VM
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/0eb0080c-bbbf-4996-a14a-9d81832cd0aa
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1722282
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
Opens /sys/class/net/* files useful for querying network interface information
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
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1722282 Sample: x86_64.elf Startdate: 25/06/2025 Architecture: LINUX Score: 92 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Xmrig cryptocurrency miner 2->48 50 Sample is packed with UPX 2->50 8 x86_64.elf 2->8         started        process3 signatures4 60 Found strings related to Crypto-Mining 8->60 11 x86_64.elf 8->11         started        process5 signatures6 62 Opens /sys/class/net/* files useful for querying network interface information 11->62 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 7 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 iptables 16->32         started        38 2 other processes 16->38 34 sh iptables 18->34         started        36 sh iptables 18->36         started        40 4 other processes 20->40 file9 42 /var/spool/cron/crontabs/tmp.9pe0NU, ASCII 22->42 dropped 52 Sample tries to persist itself using cron 22->52 54 Executes the "crontab" command typically for achieving persistence 22->54 56 Executes the "iptables" command to insert, remove and/or manipulate rules 34->56 58 Tries to load the MSR kernel module used for reading/writing to CPUs model specific register 40->58 signatures10
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91255d6b89dfce5395cc3a5d8ac788e4560af19a25ed8292620408320d06f13e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91255d6b89dfce5395cc3a5d8ac788e4560af19a25ed8292620408320d06f13e/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-06-24 22:07:34 UTC
File Type:
ELF64 Little (SO)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sesv224j37hfhfomhjoyvr4i4rlav4m2exwyfetcaqededig6e7a._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/250624-1z91bazyas/
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
Reads network interface configuration
Creates Raw socket
Unexpected DNS network traffic destination
Contacts a large (1944180) 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/422a711e-37df-4433-92b2-1110b50c97c3
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 91255d6b89dfce5395cc3a5d8ac788e4560af19a25ed8292620408320d06f13e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3568519/
  
Delivery method
Distributed via web download

Comments