MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66c2450f5ee661cdca00d47410b83fa14f94d050a4ee698bfd8344fb8171084d. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66c2450f5ee661cdca00d47410b83fa14f94d050a4ee698bfd8344fb8171084d
SHA3-384 hash: ef5bb3a81b4d3f88ee8c02fece6ff6c3ffb41ce33c1e0c48be9c4b2ec990533a9c2c9e6f2dd56223e9f50482b946eab8
SHA1 hash: 23c8159f96580564bf5927223f4c39886503120a
MD5 hash: 73bdc352b9ca7b40f5a1df8eb5ca249e
humanhash: wyoming-helium-whiskey-lactose
File name:i686
Download: download sample
File size:1'746'244 bytes
First seen:2025-10-27 23:12:48 UTC
Last seen:2025-10-28 19:14:27 UTC
File type: elf
MIME type:application/x-executable
ssdeep 24576:RLtS+levQ+WhPvSSWfS9FDPgzExI8DP57Q7eHXEsrrN6X6G3WIBRiuaQwuTkH69Y:ZZj+iPvYilHFXEsNKJraQwFHPQyELs
TLSH T1308533FBB26D46F43B9066BBF03265F50BC56FB4B0AEC5C00A8A521844646AFF7548D3
telfhash t1b7b012e002d710ccd88213cb6c0911e3c046e8523302280f811288c383d05d00d00904
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
3
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
no reply from clamd
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Collects information on the RAM
Kills processes
Sends data to a server
Launching a process
Collects information on the CPU
Receives data from a server
Creating a file
Runs as daemon
Changes the time when the file was created, accessed, or modified
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/68fffc8a3a79800405f986f0/reports/eeb7191e-65aa-4993-badd-4bf596f52b54/overview
Verdict:
Adware
File Type:
elf.32.le
First seen:
2025-10-27T19:42:00Z UTC
Last seen:
2025-10-27T20:15:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/66c2450f5ee661cdca00d47410b83fa14f94d050a4ee698bfd8344fb8171084d/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/bf67db9e-c153-4142-a15c-8de8957a1648
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1802802
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1802802 Sample: i686.elf Startdate: 28/10/2025 Architecture: LINUX Score: 68 47 Multi AV Scanner detection for submitted file 2->47 49 Sample is packed with UPX 2->49 8 i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        process3 process4 14 i686.elf 8->14         started        signatures5 57 Opens /sys/class/net/* files useful for querying network interface information 14->57 17 i686.elf sh 14->17         started        19 i686.elf sh 14->19         started        21 i686.elf sh 14->21         started        23 i686.elf 14->23         started        process6 process7 25 sh crontab 17->25         started        29 sh crontab 17->29         started        31 sh 17->31         started        33 sh iptables 19->33         started        35 sh iptables 19->35         started        43 2 other processes 19->43 37 sh iptables 21->37         started        39 sh iptables 21->39         started        41 i686.elf 23->41         started        file8 45 /var/spool/cron/crontabs/tmp.ALyNoE, ASCII 25->45 dropped 51 Sample tries to persist itself using cron 25->51 53 Executes the "crontab" command typically for achieving persistence 25->53 55 Executes the "iptables" command to insert, remove and/or manipulate rules 37->55 signatures9
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/66c2450f5ee661cdca00d47410b83fa14f94d050a4ee698bfd8344fb8171084d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66c2450f5ee661cdca00d47410b83fa14f94d050a4ee698bfd8344fb8171084d/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-10-28 00:59:32 UTC
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3bekd264zq43sqa2r2bbob7ufhzjucqutxgtc75qncpxalrbbgq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation upx
Link:
https://tria.ge/reports/251027-27b9paznck/
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 (633654) amount of remote hosts
Creates a large amount of network flows
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a49359eb-5add-4d01-a9eb-33b5be4f2d6e
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: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

elf 66c2450f5ee661cdca00d47410b83fa14f94d050a4ee698bfd8344fb8171084d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3614081/
  
Delivery method
Distributed via web download

Comments