MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bf8b6b4846ad542696304b6d7e339d2c1425cd27aa61ac48df08c1de2dc4fabb. 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: 9
| SHA256 hash: | bf8b6b4846ad542696304b6d7e339d2c1425cd27aa61ac48df08c1de2dc4fabb |
|---|---|
| SHA3-384 hash: | 3044733489510a38f6e934786fb33a101f7d874e1d60efbc2087d5f37e350c3eb68bf4bb73c7a7d3db18f2c5ac965376 |
| SHA1 hash: | 7b2c02a774056b8e7c01b7323795fe45c7e39fca |
| MD5 hash: | bc74f44f207e7ea443ff9ee494450ac8 |
| humanhash: | missouri-london-white-hydrogen |
| File name: | x86_64 |
| Download: | download sample |
| Signature | CoinMiner |
| File size: | 1'989'368 bytes |
| First seen: | 2026-07-25 18:22:30 UTC |
| Last seen: | 2026-07-27 15:55:39 UTC |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 49152:MRpdjtrx7OG3LpamJh5xSP0W9wY1qQ2093y0Npv:M3djtFOG3/Jh5xWz9wYMU939x |
| TLSH | T1A295330274A0F537BC35F2F1BD1BE653960CB12E9A1099FF1BE5604466ABE187CC6239 |
| 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 UPX |
UPX packed
This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.
| File size (compressed) : | 1'989'368 bytes |
|---|---|
| File size (de-compressed) : | 5'199'952 bytes |
| Format: | linux/amd64 |
| Unpacked file: | c43396e514f92076c9a0c7e22248af8d60714a83eeab866d52dab13808a8bc32 |
Intelligence
File Origin
# of uploads :
4
# of downloads :
103
Origin country :
DEVendor Threat Intelligence
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Kills processes
Receives data from a server
Sends data to a server
Connection attempt
Launching a process
Locks files
Changes the time when the file was created, accessed, or modified
Runs as daemon
Collects information on the CPU
Changes access rights for a written file
Collects information on the RAM
Creating a file
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
2.5/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
68
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-07-25T16:23:00Z UTC
Last seen:
2026-07-25T18:14:00Z UTC
Hits:
~10000
Status:
terminated
Behavior Graph:
Verdict:
Malicious
Result
Threat name:
Xmrig
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
92 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
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
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
Uses known network protocols on non-standard ports
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Coinminer.XMRig
Status:
Malicious
First seen:
2026-07-25 18:23:46 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
4/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
9/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation upx
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
Flushes firewall rules
Contacts a large (448329) amount of remote hosts
Creates a large amount of network flows
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 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects a suspicious ELF binary with UPX compression |
| Reference: | Internal Research |
| Rule name: | TH_Generic_MassHunt_Linux_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Linux malware mass-hunt rule - 2026 |
| Reference: | https://cyfare.net/ |
| Rule name: | upx_packed_elf_v1 |
|---|---|
| Author: | RandomMalware |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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