MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 923452a9020154346c3f73efbe654c4276f02393734879e984d496fcf7ccc031. 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



Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 923452a9020154346c3f73efbe654c4276f02393734879e984d496fcf7ccc031
SHA3-384 hash: 89183d30bafd994c3af328563ec64692a41bd9372b3c7f2baac2da56e8b9b57c90ad8cf477834245ffd4075287784971
SHA1 hash: 414051855b6350516557344cb84ada23cb1da2ee
MD5 hash: 09ada5829c2eb974935204763745d817
humanhash: emma-bravo-nitrogen-virginia
File name:x86_64
Download: download sample
File size:1'878'692 bytes
First seen:2025-10-28 00:28:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:60bKdm6NrYKzJRNUqbaAK3Tr8KZhwmUfpCyQNyPJ9:6DdHbRiqdK3v8K4xhTPJ9
TLSH T1729533B22D0502D8E55B1370DCF9B99519F3C6E4A744B5EEE1E3698E77A820E4F0C523
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:elf

Intelligence


File Origin
# of uploads :
1
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes access rights for a written file
Collects information on the CPU
Changes the time when the file was created, accessed, or modified
Runs as daemon
Kills processes
Creating a file
Collects information on the RAM
Launching a process
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
coinminer miner packed upx virus
Verdict:
Adware
File Type:
elf.64.le
First seen:
2025-10-27T19:48:00Z UTC
Last seen:
2025-10-27T20:15:00Z UTC
Hits:
~10
Detections:
not-a-virus:HEUR:RiskTool.Linux.BitCoinMiner.n
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
72 / 100
Signature
Executes the "crontab" command typically for achieving persistence
Executes the "iptables" command to insert, remove and/or manipulate rules
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1802827 Sample: x86_64.elf Startdate: 28/10/2025 Architecture: LINUX Score: 72 51 Multi AV Scanner detection for submitted file 2->51 53 Sample is packed with UPX 2->53 8 dash rm x86_64.elf 2->8         started        10 dash rm 2->10         started        12 dash cat 2->12         started        14 7 other processes 2->14 process3 process4 16 x86_64.elf 8->16         started        signatures5 49 Opens /sys/class/net/* files useful for querying network interface information 16->49 19 x86_64.elf sh 16->19         started        21 x86_64.elf sh 16->21         started        23 x86_64.elf sh 16->23         started        25 2 other processes 16->25 process6 process7 27 sh crontab 19->27         started        31 sh crontab 19->31         started        33 sh 19->33         started        35 sh iptables 21->35         started        37 sh iptables 21->37         started        43 2 other processes 21->43 39 sh iptables 23->39         started        41 sh iptables 23->41         started        45 2 other processes 25->45 file8 47 /var/spool/cron/crontabs/tmp.n9Sua4, ASCII 27->47 dropped 55 Sample tries to persist itself using cron 27->55 57 Executes the "crontab" command typically for achieving persistence 27->57 59 Executes the "iptables" command to insert, remove and/or manipulate rules 39->59 61 Tries to load the MSR kernel module used for reading/writing to CPUs model specific register 45->61 signatures9
Verdict:
Malicious
Threat:
RiskTool.Linux.BitCoinMiner
Threat name:
Linux.Trojan.Generic
Status:
Suspicious
First seen:
2025-10-27 20:27:29 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
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 (679877) 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: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

elf 923452a9020154346c3f73efbe654c4276f02393734879e984d496fcf7ccc031

(this sample)

  
Delivery method
Distributed via web download

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