MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b2ff55b52d6ab512d8bc00c8be3acd3fec4d87dca11586a19f5a18bb165b69d. 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: 8


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

SHA256 hash: 4b2ff55b52d6ab512d8bc00c8be3acd3fec4d87dca11586a19f5a18bb165b69d
SHA3-384 hash: ea22ba1ebe032035bb303136120ebd751a42b3730497e46cd761c681f4953c5baaebd461b6627f32fb9f9253f11ac039
SHA1 hash: 9a2011fb6fbb3913032d8bcc97dd9b98406cf2db
MD5 hash: f57a597e12ce124162b2b6ace5393bd1
humanhash: purple-louisiana-lamp-echo
File name:xnxnxnxnxnxnxnxnx86_64xnxn
Download: download sample
File size:59'904 bytes
First seen:2025-10-01 07:04:30 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:491zlWrOK0dE9SwakFARD4keCwFmQxMWpLyAQH:47l+OTSAt4kexFHNQH
TLSH T10E43018A593B0147CC6B4F70B965BB0A022256D7B28F911EF038BFCC10DB87EDA29547
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 :
30
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Runs as daemon
Creating a file
Launching a process
Writes files to system directory
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/68dcd28674e5a289899bbc71/reports/925e36e6-c595-469f-8fd3-4d60c1f6c48e/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4b2ff55b52d6ab512d8bc00c8be3acd3fec4d87dca11586a19f5a18bb165b69d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-10-01T05:21:00Z UTC
Last seen:
2025-10-01T08:15:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/4b2ff55b52d6ab512d8bc00c8be3acd3fec4d87dca11586a19f5a18bb165b69d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/146f0716-ca0e-4e4d-847e-3533392b7125
Behavior Graph:
Download SVG
%3 guuid=b5bb6c0b-1700-0000-daa1-a0310a0e0000 pid=3594 /usr/bin/sudo guuid=70bc890d-1700-0000-daa1-a0310e0e0000 pid=3598 /tmp/sample.bin write-file guuid=b5bb6c0b-1700-0000-daa1-a0310a0e0000 pid=3594->guuid=70bc890d-1700-0000-daa1-a0310e0e0000 pid=3598 execve guuid=1097580e-1700-0000-daa1-a0310f0e0000 pid=3599 /tmp/sample.bin zombie guuid=70bc890d-1700-0000-daa1-a0310e0e0000 pid=3598->guuid=1097580e-1700-0000-daa1-a0310f0e0000 pid=3599 clone guuid=3842610e-1700-0000-daa1-a031110e0000 pid=3601 /tmp/sample.bin write-config zombie guuid=1097580e-1700-0000-daa1-a0310f0e0000 pid=3599->guuid=3842610e-1700-0000-daa1-a031110e0000 pid=3601 clone guuid=6b45db0e-1700-0000-daa1-a031120e0000 pid=3602 /usr/bin/dash guuid=3842610e-1700-0000-daa1-a031110e0000 pid=3601->guuid=6b45db0e-1700-0000-daa1-a031120e0000 pid=3602 execve guuid=6f0b070f-1700-0000-daa1-a031140e0000 pid=3604 /usr/bin/cp guuid=6b45db0e-1700-0000-daa1-a031120e0000 pid=3602->guuid=6f0b070f-1700-0000-daa1-a031140e0000 pid=3604 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a4707378-5a91-48d7-8d8b-58d6be62959f
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1787118
Signature
Drops files in suspicious directories
Drops invisible ELF files
Executes itself again with its parent PID as an argument (indicative of hampering debugging)
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1787118 Sample: xnxnxnxnxnxnxnxnx86_64xnxn.elf Startdate: 01/10/2025 Architecture: LINUX Score: 64 33 109.202.202.202, 80 INIT7CH Switzerland 2->33 35 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->35 37 2 other IPs or domains 2->37 39 Sample is packed with UPX 2->39 10 xnxnxnxnxnxnxnxnx86_64xnxn.elf 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 xnxnxnxnxnxnxnxnx86_64xnxn.elf 10->16         started        process6 18 xnxnxnxnxnxnxnxnx86_64xnxn.elf 16->18         started        file7 29 /etc/init.d/sysd, POSIX 18->29 dropped 41 Sample tries to set files in /etc globally writable 18->41 43 Drops files in suspicious directories 18->43 45 Sample tries to persist itself using System V runlevels 18->45 22 xnxnxnxnxnxnxnxnx86_64xnxn.elf sh 18->22         started        signatures8 process9 signatures10 47 Executes itself again with its parent PID as an argument (indicative of hampering debugging) 22->47 25 sh cp 22->25         started        process11 file12 31 /usr/bin/.sh, ELF 25->31 dropped 49 Drops invisible ELF files 25->49 51 Drops files in suspicious directories 25->51 signatures13
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4b2ff55b52d6ab512d8bc00c8be3acd3fec4d87dca11586a19f5a18bb165b69d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b2ff55b52d6ab512d8bc00c8be3acd3fec4d87dca11586a19f5a18bb165b69d/
Threat name:
Linux.Virus.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-10-01 07:05:55 UTC
File Type:
ELF64 Little (SO)
AV detection:
14 of 37 (37.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jmx7kw2s22vvclmlyagixy5m2p7mjwd5ziivq2qz6wqyxmlfw2oq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux persistence upx
Link:
https://tria.ge/reports/251001-hwxayabn8z/
Behaviour
Reads runtime system information
Changes its process name
UPX packed file
Modifies init.d
Modifies rc script
Write file to user bin folder
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5e0f8d7a-4d71-40bb-aacd-c6e2b828f945
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/4b2ff55b52d6ab512d8bc00c8be3acd3fec4d87dca11586a19f5a18bb165b69d

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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 4b2ff55b52d6ab512d8bc00c8be3acd3fec4d87dca11586a19f5a18bb165b69d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3633577/
  
Delivery method
Distributed via web download

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