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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4f887d5cd99df73c2633bad6ffa35162ece22da1107c3c177f1d773f828cb0c. 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: 6


Intelligence 6 IOCs YARA 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c4f887d5cd99df73c2633bad6ffa35162ece22da1107c3c177f1d773f828cb0c
SHA3-384 hash: b6377e94a79aa7f6c40f606fa56d48599912b5a7ff728906030efdeec6f24d46fefff7452d52121b62ca48eb3c3666a7
SHA1 hash: 7a8727517530f56f0833fcbb1a3765773aa4249c
MD5 hash: 0a5a49d00667f124cb9ede8bedf7c2e4
humanhash: music-maine-aspen-double
File name:arm5
Download: download sample
File size:6'160'546 bytes
First seen:2026-10-12 06:24:39 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:4VvjuOw0J1lIb0osRXyQfBlFPSGSslRDe3QNta5EKIb:0uOw0J4goGXfJiIRDouWE9
TLSH T157560697B9D24953C4E43A77ACBD80D433630EBA8B9A56575D04FE383ABE1D90E39304
telfhash t121d05e250e4d3a6c26e1014a4930126e8ee434fc5118af998fae75da0a0217980d606a
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
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 :
73
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Flooder-5.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a process from a recently created file
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-12T01:06:00Z UTC
Last seen:
2026-10-12T01:21:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c4f887d5cd99df73c2633bad6ffa35162ece22da1107c3c177f1d773f828cb0c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/afbbe46e-b230-4d49-acc5-774a838a37b2
Behavior Graph:
Download SVG
%3 guuid=23f67953-1b00-0000-de22-752de0090000 pid=2528 /usr/bin/sudo guuid=c0443856-1b00-0000-de22-752de8090000 pid=2536 /tmp/sample.bin guuid=23f67953-1b00-0000-de22-752de0090000 pid=2528->guuid=c0443856-1b00-0000-de22-752de8090000 pid=2536 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b69eb0a3-00be-485e-bc7e-b6677df9cfd7
Result
Threat name:
n/a
Detection:
malicious
Classification:
mine
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1985698
Signature
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1985698 Sample: arm5.elf Startdate: 12/10/2026 Architecture: LINUX Score: 52 34 Multi AV Scanner detection for submitted file 2->34 36 Found strings related to Crypto-Mining 2->36 14 arm5.elf 2->14         started        process3 process4 16 arm5.elf arm5.elf 14->16         started        process5 18 arm5.elf arm5.elf 16->18         started        process6 20 arm5.elf arm5.elf 18->20         started        process7 22 arm5.elf arm5.elf 20->22         started        process8 24 arm5.elf arm5.elf 22->24         started        process9 26 arm5.elf arm5.elf 24->26         started        process10 28 arm5.elf arm5.elf 26->28         started        process11 30 arm5.elf arm5.elf 28->30         started        process12 32 arm5.elf arm5.elf 30->32         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c4f887d5cd99df73c2633bad6ffa35162ece22da1107c3c177f1d773f828cb0c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4f887d5cd99df73c2633bad6ffa35162ece22da1107c3c177f1d773f828cb0c/
Threat name:
Linux.Hacktool.Flooder
Create hunting rule
Status:
Malicious
First seen:
2026-10-12 04:38:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 36 (25.00%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yt4ipvonthpxhqtdhoww76rvcyxm4iw2ced4hqlx6hlxh6bizmga._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/261012-g6tgcsfy8v/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Creates/modifies Cron job
Modifies init.d
Modifies systemd
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:APT_Bitter_ZxxZ_Downloader
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Author:SECUINFRA Falcon Team (@SI_FalconTeam)
Description:Detects Bitter (T-APT-17) ZxxZ Downloader
Reference:https://www.secuinfra.com/en/techtalk/whatever-floats-your-boat-bitter-apt-continues-to-target-bangladesh
Rule name:CP_Script_Inject_Detector
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
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Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
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Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
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Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
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Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
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Author:s1ckb017
Rule name:GoBinTest
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Rule name:golang
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Rule name:golang_binary_string
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Description:Golang strings present
Rule name:Golang_Find_CSC846
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Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
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Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
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Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:MIRAI_TELNETCURL_payload
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Author:AfterPacket
Description:Mirai-lineage ELF payload carrying the leaked-source decoy domain
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:NSVPS_Hydra_SSH_Bruteforce
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Author:sanad (NSVPS-SOC)
Description:Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot
Rule name:ProgramLanguage_Golang
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Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
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Author:ToroGuitar
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
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Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Suspicious_Golang_Binary
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Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:telebot_framework
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Author:vietdx.mb
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
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Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
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Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Web_Generic_Binary_URL_Download
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Author:Serhii Kocherhan
Description:Detects files containing HTTP or HTTPS links pointing directly to .bin payload extensions.

File information

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

Web download

elf c4f887d5cd99df73c2633bad6ffa35162ece22da1107c3c177f1d773f828cb0c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3948162/
  
Delivery method
Distributed via web download

Comments