MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3239e2ac2826b51dd052306cff25c76f548d0653b9f14ebd76dfdb0ccd8d017. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3239e2ac2826b51dd052306cff25c76f548d0653b9f14ebd76dfdb0ccd8d017
SHA3-384 hash: 6bdf54440f11d8c65a1caa103bf0ea072d1d34ddf52d845e389cc12afeeaaba66a3c3635789b640424d811dbdf36527a
SHA1 hash: 9e1550ba0e4d782d4f755b069773a531838503f6
MD5 hash: 554fc01963321eaaec7007e865b0054d
humanhash: hot-vegan-georgia-ceiling
File name:bioset0
Download: download sample
File size:6'226'068 bytes
First seen:2026-05-16 19:38:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:vGGgFuQJXO+EqQwl3xqLH2VoHxCD4aK2OJ2F+g5EA:+th71MYK2OJoEA
TLSH T1E5560857B8D24992C4E83637B8BE80C433635EFA9B8652566D05FE383EBE1D90E34714
telfhash t117e092556e0e23cd6fe04665468c42a88de93afc03506b988e3e6a5a09928c67086c15
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Magika elf
Reporter abuse_ch
Tags:elf upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 1ad750ef10db1c0958d5efc9facd0d1f3dc200568f7a8e172ccd3c70cb0528cb
File size (compressed) :1'742'556 bytes
File size (de-compressed) :6'226'068 bytes
Format:linux/arm
Packed file: 1ad750ef10db1c0958d5efc9facd0d1f3dc200568f7a8e172ccd3c70cb0528cb

Intelligence

File Origin
# of uploads :
1
# of downloads :
22
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.ELF.Agent-EDB.34115516.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
99
Number of processes launched:
10
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b3239e2ac2826b51dd052306cff25c76f548d0653b9f14ebd76dfdb0ccd8d017
Behaviour
Anti-VM
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-16T17:59:00Z UTC
Last seen:
2026-05-18T01:36:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b3239e2ac2826b51dd052306cff25c76f548d0653b9f14ebd76dfdb0ccd8d017/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2d11a835-ce3c-4e35-8674-2ab86f6c022b
Behavior Graph:
Download SVG
%3 guuid=d6d0aa87-1b00-0000-4831-43b75b0b0000 pid=2907 /usr/bin/sudo guuid=6fbd948a-1b00-0000-4831-43b75c0b0000 pid=2908 /tmp/sample.bin guuid=d6d0aa87-1b00-0000-4831-43b75b0b0000 pid=2907->guuid=6fbd948a-1b00-0000-4831-43b75c0b0000 pid=2908 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b3e045be-8a39-484d-9feb-e84343ff4157
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1914442
Signature
Executes the "crontab" command typically for achieving persistence
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1914442 Sample: bioset0.elf Startdate: 16/05/2026 Architecture: LINUX Score: 48 33 109.202.202.202, 80 INIT7CH Switzerland 2->33 35 45.202.241.21, 41622, 41624, 41628 CNSERVERSUS Seychelles 2->35 37 4 other IPs or domains 2->37 9 bioset0.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        process3 process4 15 bioset0.elf bioset0.elf 9->15         started        process5 17 bioset0.elf bash 15->17         started        19 bioset0.elf crontab 15->19         started        signatures6 22 bash crontab 17->22         started        26 bash 17->26         started        39 Executes the "crontab" command typically for achieving persistence 19->39 process7 file8 31 /var/spool/cron/crontabs/tmp.ElqGKH, ASCII 22->31 dropped 41 Sample tries to persist itself using cron 22->41 43 Executes the "crontab" command typically for achieving persistence 22->43 28 bash crontab 26->28         started        signatures9 process10 signatures11 45 Executes the "crontab" command typically for achieving persistence 28->45
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b3239e2ac2826b51dd052306cff25c76f548d0653b9f14ebd76dfdb0ccd8d017
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3239e2ac2826b51dd052306cff25c76f548d0653b9f14ebd76dfdb0ccd8d017/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-05-16 19:41:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmrz4kwcqjvvdxifemdm74s4o32urudfhoprj26xnx63btgy2alq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260516-yct98sct6p/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Creates/modifies Cron job
Enumerates running processes
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/b3239e2ac2826b51dd052306cff25c76f548d0653b9f14ebd76dfdb0ccd8d017

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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

elf 1ad750ef10db1c0958d5efc9facd0d1f3dc200568f7a8e172ccd3c70cb0528cb

elf b3239e2ac2826b51dd052306cff25c76f548d0653b9f14ebd76dfdb0ccd8d017

(this sample)

  
Dropped by
SHA256 1ad750ef10db1c0958d5efc9facd0d1f3dc200568f7a8e172ccd3c70cb0528cb
  
URLhaus
https://urlhaus.abuse.ch/url/3848080/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 038a308f1982830b14980f836a2f6ade

Comments