MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fd631c791b99ec20662c4c4fd87390bb9e68140ba353b76a14dbef58b1a0434. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash: 4fd631c791b99ec20662c4c4fd87390bb9e68140ba353b76a14dbef58b1a0434
SHA3-384 hash: dbb0021aae719b271fb002703aa051b7b2d9303449ea007986e565d34b9c6ce4300726916f2a1a9ac327fd9a79b2907f
SHA1 hash: dc3edbca85e6bba11a46447721bc9aff0775de49
MD5 hash: a5708a9888fb597ce77b7c9e3da0c806
humanhash: bulldog-connecticut-helium-apart
File name:arm
Download: download sample
Signature Mirai
File size:116'340 bytes
First seen:2026-02-05 18:14:30 UTC
Last seen:2026-02-05 19:31:03 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:9Taj1ykWeMgG93Fy0jGPuWRiC2dw5kp1zNpyTKG6tV:haR1MDpHSlkCRKLN4KG8
TLSH T12EB31288B66685B1F52D8EF83CE241E66B995DD04A32180FED09B085CDC14DFADEDF12
Magika elf
Reporter abuse_ch
Tags:elf UPX
File size (compressed) :116'340 bytes
File size (de-compressed) :313'420 bytes
Format:linux/arm
Unpacked file: 434646603515c319b0cb0f6bd7861bf69a16379dc2b10e56955c7bc5465865bf

Intelligence


File Origin
# of uploads :
2
# of downloads :
28
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
2
Number of processes launched:
0
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad.mine
Score:
56 / 100
Signature
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Gathering data
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Behaviour
Reads runtime system information
Changes its process name
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:elf_arm_mips_ko_so
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:upx_packed_elf_v1
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 4fd631c791b99ec20662c4c4fd87390bb9e68140ba353b76a14dbef58b1a0434

(this sample)

  
Delivery method
Distributed via web download

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