MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff9a07563fbbade90540e668443bb57453e696d832067f12185ad031a52d31e2. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff9a07563fbbade90540e668443bb57453e696d832067f12185ad031a52d31e2
SHA3-384 hash: ea3046aa122d6c28bd781e21e3ae7230cfd43a32894ef607e65602d72030fa7f60d167cee427b2942ff6a6e463f7beab
SHA1 hash: 9e1aeddf29a7c1a975dad8409d80b889a41ad059
MD5 hash: eb139067acb6ab0a84318bc52df76809
humanhash: white-lake-ohio-wisconsin
File name:bioset0
Download: download sample
File size:6'226'068 bytes
First seen:2026-07-26 10:59:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:QWIQsBczTcziEjKszzCv2eq1UjMDmfaak0kOqROug5Ef:VIOkew7/9/0kOqCEf
TLSH T18A560897B8D24992C4E43637B8BE80C433635EFA9B9652566D05FE383EBE1D90E34314
telfhash t177e0d8519e0d33cd6be04665474c42b89df93efc03107f988f3e1a5a1993cc67085c65
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Magika elf
Reporter abuse_ch
Tags:elf upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 dbf5d3a2c6238810dbb9732681303564f40993aebe3b9bddc7da063ed52224b5
File size (compressed) :1'740'784 bytes
File size (de-compressed) :6'226'068 bytes
Format:linux/arm
Packed file: dbf5d3a2c6238810dbb9732681303564f40993aebe3b9bddc7da063ed52224b5

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Vision.70.4119.21174.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
Changes the time when the file was created, accessed, or modified
Launching a process
Receives data from a server
Connection attempt
Sends data to a server
Runs as daemon
Changes access rights for a written file
Collects information on the RAM
Creating a file
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm crypto expand golang lolbin reconnaissance
Link:
https://www.filescan.io/uploads/6a65e94545716bf377ece005/reports/b1b20b93-993e-4161-a3ca-d95297a17019/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-26T08:11:00Z UTC
Last seen:
2026-07-27T19:35:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ff9a07563fbbade90540e668443bb57453e696d832067f12185ad031a52d31e2/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/40e341aa-ac11-45f1-8e80-f8e2d07518fb
Behavior Graph:
Download SVG
%3 guuid=54c78025-1e00-0000-48e8-40ecc4070000 pid=1988 /usr/bin/sudo guuid=6f38f828-1e00-0000-48e8-40eccc070000 pid=1996 /tmp/sample.bin guuid=54c78025-1e00-0000-48e8-40ecc4070000 pid=1988->guuid=6f38f828-1e00-0000-48e8-40eccc070000 pid=1996 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4f9df8e0-aa45-49b2-bc65-b74b6ca6a09f
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1948027
Signature
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1948027 Sample: bioset0.elf Startdate: 26/07/2026 Architecture: LINUX Score: 56 30 147.185.242.125, 443, 55640 CLOUDWEBMANAGE-SC-KamateraIncUS United States 2->30 32 172.66.0.218, 57242, 80 CLOUDFLARENET-CloudflareIncUS Canada 2->32 34 speed.cloudflare.com 2->34 38 Multi AV Scanner detection for submitted file 2->38 10 bioset0.elf 2->10         started        signatures3 process4 process5 12 bioset0.elf bioset0.elf 10->12         started        process6 14 bioset0.elf bash 12->14         started        16 bioset0.elf crontab 12->16         started        signatures7 19 bash crontab 14->19         started        23 bash 14->23         started        36 Executes the "crontab" command typically for achieving persistence 16->36 process8 file9 28 /var/spool/cron/crontabs/tmp.F4tTjL, ASCII 19->28 dropped 40 Sample tries to persist itself using cron 19->40 42 Executes the "crontab" command typically for achieving persistence 19->42 25 bash crontab 23->25         started        signatures10 process11 signatures12 44 Executes the "crontab" command typically for achieving persistence 25->44
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ff9a07563fbbade90540e668443bb57453e696d832067f12185ad031a52d31e2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ff9a07563fbbade90540e668443bb57453e696d832067f12185ad031a52d31e2/
Threat name:
Linux.Backdoor.DarkDDoSer
Create hunting rule
Status:
Suspicious
First seen:
2026-07-26 11:07:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=76naovr7xow6sbka4zueio5vorj6nfwygidh6eqylliddjjnghra._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260726-m4m5fsfj9z/
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/ff9a07563fbbade90540e668443bb57453e696d832067f12185ad031a52d31e2

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
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

elf dbf5d3a2c6238810dbb9732681303564f40993aebe3b9bddc7da063ed52224b5

elf ff9a07563fbbade90540e668443bb57453e696d832067f12185ad031a52d31e2

(this sample)

  
Dropped by
SHA256 dbf5d3a2c6238810dbb9732681303564f40993aebe3b9bddc7da063ed52224b5
  
Dropped by
MD5 192fc06a50d2030778e9cd5491dd9b5d

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