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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 657ff19297e3a2f0c8cbf782ca38035943a218338e2e46c1f80ab5c7b53f9a67. 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: 7


Intelligence 7 IOCs YARA 31 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 657ff19297e3a2f0c8cbf782ca38035943a218338e2e46c1f80ab5c7b53f9a67
SHA3-384 hash: 31c877498b82d23074c472933415957bb8212b40e9c72a505d94356392dcb83330163698d40bc10daf2a49167f69ad60
SHA1 hash: 83422a640e5bfceb76dc668522fa1ce206dd898f
MD5 hash: 2fc855097cfa7703693942bd95230a9a
humanhash: hotel-thirteen-victor-winter
File name:ppc64
Download: download sample
Signature CatStorm
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File size:5'898'424 bytes
First seen:2026-10-04 07:11:45 UTC
Last seen:2026-10-05 02:49:35 UTC
File type: elf
MIME type:application/x-executable
ssdeep 98304:US+hDN8mmn0c7i0h25TDXRs8UwOCWrTGnEjES:8zdo21XRs8UtCqSnfS
TLSH T1CC565C81FB48A126EA4B0A324C770F70B3516D42C2E5C92B5708F76F56B26F6694FED0
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Magika elf
Reporter abuse_ch
Tags:CatStorm elf

Intelligence

File Origin
# of uploads :
2
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.DDoS.3274.28454.21631.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:
Gathering data
Verdict:
Malicious
File Type:
elf.64.be
First seen:
2026-10-04T04:16:00Z UTC
Last seen:
2026-10-05T21:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/657ff19297e3a2f0c8cbf782ca38035943a218338e2e46c1f80ab5c7b53f9a67/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/90098a4d-ed03-46d5-891f-96d3f143181a
Behavior Graph:
Download SVG
%3 guuid=cb849e42-1c00-0000-34c4-9eb1c40b0000 pid=3012 /usr/bin/sudo guuid=c31f2646-1c00-0000-34c4-9eb1cc0b0000 pid=3020 /tmp/sample.bin guuid=cb849e42-1c00-0000-34c4-9eb1c40b0000 pid=3012->guuid=c31f2646-1c00-0000-34c4-9eb1cc0b0000 pid=3020 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/90a9aeef-0e25-4aa5-9dd5-db5b61dd114b
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1981904
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1981904 Sample: ppc64.elf Startdate: 04/10/2026 Architecture: LINUX Score: 48 34 Multi AV Scanner detection for submitted file 2->34 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/657ff19297e3a2f0c8cbf782ca38035943a218338e2e46c1f80ab5c7b53f9a67
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/657ff19297e3a2f0c8cbf782ca38035943a218338e2e46c1f80ab5c7b53f9a67/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-10-04 07:13:37 UTC
File Type:
ELF64 Big (Exe)
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mv77deux4orpbsgl66bmuoadlfb2egbtryxenqpybk24pnj7tjtq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/261004-h1rk9ascle/
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/657ff19297e3a2f0c8cbf782ca38035943a218338e2e46c1f80ab5c7b53f9a67

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:F01_s1ckrule
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Author:s1ckb017
Rule name:GoBinTest
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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: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 657ff19297e3a2f0c8cbf782ca38035943a218338e2e46c1f80ab5c7b53f9a67

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3928386/
  
Delivery method
Distributed via web download

Comments