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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b274e52e11faa2ff501275aedfe1c4e8bf57b03094de30b93f6642b43bcbe97. 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


CatStorm


Vendor detections: 5


Intelligence 5 IOCs YARA 32 File information Comments
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SHA256 hash: 6b274e52e11faa2ff501275aedfe1c4e8bf57b03094de30b93f6642b43bcbe97
SHA3-384 hash: f74ece400fddb93bde78d5a08eddfb8f6d9da4a13eafbf2bb1510358c7826311bf087eebc19218f4884f7bdd869dee87
SHA1 hash: fd1e3c2630d786c290d730aeed2c232ee9337472
MD5 hash: 1124d403b33da34ea74f8edd40d7eef4
humanhash: comet-six-oxygen-yankee
File name:ppc64
Download: download sample
Signature CatStorm
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File size:5'898'424 bytes
First seen:2026-10-27 05:04:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 98304:v4cNGicxlAtvkate+Rn2HRmVDI6WrvzZZ1u8snEjEF:qbRxmVDI6qSnfF
TLSH T163566A81FB48A126D95A0F324CB30F60B3612D42C2E4C96B5709F76F45B26F69A4FED4
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Magika elf
Reporter BlinkzSec
Tags:CatStorm

Intelligence

File Origin
# of uploads :
1
# of downloads :
58
Origin country :
AT AT
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Flooder-5.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/42ed6141-5e4b-49f0-bf10-0025a78c1657
Behavior Graph:
Download SVG
%3 guuid=017f87e2-1a00-0000-04e1-520ead0b0000 pid=2989 /usr/bin/sudo guuid=dea7e9e4-1a00-0000-04e1-520eb30b0000 pid=2995 /tmp/sample.bin guuid=017f87e2-1a00-0000-04e1-520ead0b0000 pid=2989->guuid=dea7e9e4-1a00-0000-04e1-520eb30b0000 pid=2995 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/09de53c4-8fa5-4261-a6dc-5df4b6acc505
Result
Threat name:
CatStorm
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Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1992662
Signature
Multi AV Scanner detection for submitted file
Yara detected CatStorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1992662 Sample: ppc64.elf Startdate: 27/10/2026 Architecture: LINUX Score: 56 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected CatStorm 2->36 14 ppc64.elf 2->14         started        process3 process4 16 ppc64.elf ppc64.elf 14->16         started        process5 18 ppc64.elf ppc64.elf 16->18         started        process6 20 ppc64.elf ppc64.elf 18->20         started        process7 22 ppc64.elf ppc64.elf 20->22         started        process8 24 ppc64.elf ppc64.elf 22->24         started        process9 26 ppc64.elf ppc64.elf 24->26         started        process10 28 ppc64.elf ppc64.elf 26->28         started        process11 30 ppc64.elf ppc64.elf 28->30         started        process12 32 ppc64.elf ppc64.elf 30->32         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/6b274e52e11faa2ff501275aedfe1c4e8bf57b03094de30b93f6642b43bcbe97
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b274e52e11faa2ff501275aedfe1c4e8bf57b03094de30b93f6642b43bcbe97/
Threat name:
Linux.Trojan.Generic
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Status:
Suspicious
First seen:
2026-10-27 05:03:13 UTC
File Type:
ELF64 Big (Exe)
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nmtu4uxbd6vc75ibe5no37q4j2f7k6ydbfg6gc4t6zscwq54x2lq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/261027-fq67vabw3m/
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:ach_202610_elf_catstorm
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Author:abuse.ch
Description:Detects CatStorm
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:exploit_any_poppopret
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Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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:LIN_Malware_Unknown_ForgeAuto_0daebbb8
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Author:Marjoriefort
Description:Detects Unknown (elf, etat binaire)
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

CatStorm

elf 6b274e52e11faa2ff501275aedfe1c4e8bf57b03094de30b93f6642b43bcbe97

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/4035020/
  
Delivery method
Distributed via web download

Comments