MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c646cfc6b747f3855dc008dbfaee06996f7d8aa30c9eea15e04e231e5ad4aee2. 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: c646cfc6b747f3855dc008dbfaee06996f7d8aa30c9eea15e04e231e5ad4aee2
SHA3-384 hash: 1b81b22e2ece8f635cc8de617085b99f42b08a1bae75a1477ea8c8ecb96778f0a0e5eee1708f6b7908b70d8c09f073e5
SHA1 hash: 0871ed433d5c1db23ec4f53c748a9c932480bdd4
MD5 hash: bdf51a7adcd8fff5592169b036d3c3f2
humanhash: avocado-sierra-green-fruit
File name:bioset0
Download: download sample
File size:6'160'532 bytes
First seen:2026-05-14 12:03:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:tKx/56uPGF/BECrjfU9PjJMw1YHesTAu/uOw5+cgg5EG:Ix2Z0MV/uOw5/EG
TLSH T10D560897B8D24982C4E83677B8BD80C433631EBA9BC652566D05FE383EBE1D90E34754
telfhash t113d017968f2d638c6bc14891548c02744ad13efc13a1bf888e4d25590e5588a7099050
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Magika elf
Reporter abuse_ch
Tags:elf upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 d761125d9f9454380a1d55d3aa69d3ad405bfed73af1dea74e98a2c84ae77c77
File size (compressed) :1'730'620 bytes
File size (de-compressed) :6'160'532 bytes
Format:linux/arm
Packed file: d761125d9f9454380a1d55d3aa69d3ad405bfed73af1dea74e98a2c84ae77c77

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.ELF.Agent-EDB.29832914.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Receives data from a server
Creating a file in the %temp% subdirectories
DNS request
Sends data to a server
Connection attempt
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
47
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c646cfc6b747f3855dc008dbfaee06996f7d8aa30c9eea15e04e231e5ad4aee2
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-14T10:45:00Z UTC
Last seen:
2026-05-16T03:23:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c646cfc6b747f3855dc008dbfaee06996f7d8aa30c9eea15e04e231e5ad4aee2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/24d69aaf-ea14-4d9b-ad61-a934c92c0248
Behavior Graph:
Download SVG
%3 guuid=36f454df-1900-0000-c9ab-23a2b90b0000 pid=3001 /usr/bin/sudo guuid=1d19c5e1-1900-0000-c9ab-23a2bf0b0000 pid=3007 /tmp/sample.bin guuid=36f454df-1900-0000-c9ab-23a2b90b0000 pid=3001->guuid=1d19c5e1-1900-0000-c9ab-23a2bf0b0000 pid=3007 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6da7a352-8452-4963-950c-926624fddf0f
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
23 / 100
Link:
https://www.joesandbox.com/analysis/1913409
Signature
Performs DNS TXT record lookups
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1913409 Sample: bioset0.elf Startdate: 14/05/2026 Architecture: LINUX Score: 23 10 beanman.work.gd 2->10 12 169.254.169.254, 80 USDOSUS Reserved 2->12 14 7 other IPs or domains 2->14 6 python3.8 dpkg 2->6         started        8 bioset0.elf 2->8         started        signatures3 16 Performs DNS TXT record lookups 10->16 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c646cfc6b747f3855dc008dbfaee06996f7d8aa30c9eea15e04e231e5ad4aee2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c646cfc6b747f3855dc008dbfaee06996f7d8aa30c9eea15e04e231e5ad4aee2/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-05-14 12:04:43 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yzdm7rvxi7zykxoabdn7v3qgtfxx3cvdbspoufpajyrr4wwuv3ra._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/260514-n8ymesh15k/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Enumerates running processes
Unexpected DNS network traffic destination
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: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 d761125d9f9454380a1d55d3aa69d3ad405bfed73af1dea74e98a2c84ae77c77

elf c646cfc6b747f3855dc008dbfaee06996f7d8aa30c9eea15e04e231e5ad4aee2

(this sample)

  
Dropped by
SHA256 d761125d9f9454380a1d55d3aa69d3ad405bfed73af1dea74e98a2c84ae77c77
  
URLhaus
https://urlhaus.abuse.ch/url/3846680/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 3d03a3308a6ec70dac2740a0318d5d4e

Comments