MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5b8a7db2093e66948c70002ca7de6cfa8da762c068bd7dfab4e3fdd51143da5. 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


Mirai


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5b8a7db2093e66948c70002ca7de6cfa8da762c068bd7dfab4e3fdd51143da5
SHA3-384 hash: 7177f62dded78c42960d85f57c7e7f3ca0af4cbfa25562da2756d1c621ef4050be63a402b9acd8c0a724356f00356407
SHA1 hash: 7752d5c07189f6440304a2f4d58521f7ab36b2e2
MD5 hash: 063dd96ce9f234a247ce149ec837cfaa
humanhash: august-beer-pasta-ten
File name:xnxnxnxnxnxnxnxnx86_64xnxn
Download: download sample
Signature Mirai
Create hunting rule
File size:63'928 bytes
First seen:2025-12-22 07:11:09 UTC
Last seen:2025-12-22 08:26:07 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Mdcqm5iERozq3p7o8FwOA4zCKOFGUfKbeH6UhV/VpuuAQg:MaHJgMo8FwOA4zUFGUO3UhbpwQg
TLSH T19553025116BCEC3ACAF2D9390B6841E68ADC59B854D2500F53C97CF44A06D74EEEC6CB
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 UPX
File size (compressed) :63'928 bytes
File size (de-compressed) :136'064 bytes
Format:linux/amd64
Unpacked file: ab5fcbe1582904ec992f759739a27c891933899f2b2d473ad1b81b3e306a7d4f

Intelligence

File Origin
# of uploads :
2
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/334643d0-d6d1-4377-be95-1583629370c9/
Detection(s):
SecuriteInfo.com.Linux.Packed.2042.11528.288.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Locks files
Sends data to a server
DNS request
Creating a file
Creating a file in the %temp% directory
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6948ef373f8fdbf8e94e4139/reports/df28598a-5051-405a-9487-7c046e1a38c2/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-22T04:31:00Z UTC
Last seen:
2025-12-23T02:54:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f5b8a7db2093e66948c70002ca7de6cfa8da762c068bd7dfab4e3fdd51143da5/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eb0b4912-3af9-48d4-8dd6-6e0f89055c4b
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1837478
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f5b8a7db2093e66948c70002ca7de6cfa8da762c068bd7dfab4e3fdd51143da5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f5b8a7db2093e66948c70002ca7de6cfa8da762c068bd7dfab4e3fdd51143da5/
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-12-22 04:44:00 UTC
File Type:
ELF64 Little (Exe)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6w4kpwzasptgssghaabmu7pgz6unu5rma2f5px5ljy752uiuhwsq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm discovery linux upx
Link:
https://tria.ge/reports/251222-h1kspsykcm/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Checks hardware identifiers (DMI)
Enumerates active TCP sockets
Enumerates running processes
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/85a0d53b-850d-40bd-9864-bebf35392896
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/f5b8a7db2093e66948c70002ca7de6cfa8da762c068bd7dfab4e3fdd51143da5

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf f5b8a7db2093e66948c70002ca7de6cfa8da762c068bd7dfab4e3fdd51143da5

(this sample)

Mirai

elf ab5fcbe1582904ec992f759739a27c891933899f2b2d473ad1b81b3e306a7d4f

  
URLhaus
https://urlhaus.abuse.ch/url/3739940/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 ab5fcbe1582904ec992f759739a27c891933899f2b2d473ad1b81b3e306a7d4f
  
Dropping
MD5 a15d0f7a45c51a3be1fdcb6da3957535

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