MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fdac9cd3fb6f38495384cd21d69aa3c625ea4250ef864721079f913e753373c. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 4fdac9cd3fb6f38495384cd21d69aa3c625ea4250ef864721079f913e753373c
SHA3-384 hash: 079b55baa73dc55c3a110a28584ae0849b80b3e91cd6c5a4af1a59a9a7a7fe56876592e7f63a4f2bd26296215d3a6cf1
SHA1 hash: f06dceb8e962a645f8e679205dd3ecef43c81291
MD5 hash: 3df591a26a23d6fd8aa42b264e1c7a82
humanhash: kansas-speaker-high-eighteen
File name:morte.i686
Download: download sample
Signature Mirai
File size:39'672 bytes
First seen:2025-07-12 11:14:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:rqyavi114PiBe0vnXD/TuzQokphr+rBFPgoWWfDDGN6:Pav2cUecXDCLgyJLDGk
TLSH T14103F2B46BCDFC49DADA5135030C3E66847BFC42A45BF5413D6A0A4E157DEBA053CD84
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 mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
13
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Sets a written file as executable
Opens a port
Launching a process
Sends data to a server
Connection attempt
Substitutes an application name
Writes files to system directory
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=5c89836c-1a00-0000-eeb3-9f6c9d0a0000 pid=2717 /usr/bin/sudo guuid=58363d6e-1a00-0000-eeb3-9f6ca00a0000 pid=2720 /tmp/sample.bin net guuid=5c89836c-1a00-0000-eeb3-9f6c9d0a0000 pid=2717->guuid=58363d6e-1a00-0000-eeb3-9f6ca00a0000 pid=2720 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=58363d6e-1a00-0000-eeb3-9f6ca00a0000 pid=2720->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=6730996e-1a00-0000-eeb3-9f6ca20a0000 pid=2722 /tmp/sample.bin guuid=58363d6e-1a00-0000-eeb3-9f6ca00a0000 pid=2720->guuid=6730996e-1a00-0000-eeb3-9f6ca20a0000 pid=2722 clone guuid=1d14a66e-1a00-0000-eeb3-9f6ca40a0000 pid=2724 /tmp/sample.bin write-config zombie guuid=6730996e-1a00-0000-eeb3-9f6ca20a0000 pid=2722->guuid=1d14a66e-1a00-0000-eeb3-9f6ca40a0000 pid=2724 clone guuid=2ac82072-1a00-0000-eeb3-9f6cac0a0000 pid=2732 /usr/bin/dash guuid=1d14a66e-1a00-0000-eeb3-9f6ca40a0000 pid=2724->guuid=2ac82072-1a00-0000-eeb3-9f6cac0a0000 pid=2732 execve guuid=cc1fc774-1a00-0000-eeb3-9f6cb60a0000 pid=2742 /tmp/sample.bin delete-file dns net send-data guuid=1d14a66e-1a00-0000-eeb3-9f6ca40a0000 pid=2724->guuid=cc1fc774-1a00-0000-eeb3-9f6cb60a0000 pid=2742 clone guuid=047d4c72-1a00-0000-eeb3-9f6cad0a0000 pid=2733 /usr/bin/cp guuid=2ac82072-1a00-0000-eeb3-9f6cac0a0000 pid=2732->guuid=047d4c72-1a00-0000-eeb3-9f6cad0a0000 pid=2733 execve guuid=cc1fc774-1a00-0000-eeb3-9f6cb60a0000 pid=2742->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 986B c6e950a9-6d18-5abd-9bf0-06eeeda044d7 last.galaxias.cc:12121 guuid=cc1fc774-1a00-0000-eeb3-9f6cb60a0000 pid=2742->c6e950a9-6d18-5abd-9bf0-06eeeda044d7 send: 364B
Result
Threat name:
Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
Drops files in suspicious directories
Drops invisible ELF files
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734676 Sample: morte.i686.elf Startdate: 12/07/2025 Architecture: LINUX Score: 100 32 last.galaxias.cc 45.156.87.138, 12121, 44810, 44812 SKYLINKNL Germany 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Mirai 2->44 46 2 other signatures 2->46 10 morte.i686.elf 2->10         started        signatures3 process4 signatures5 54 Found strings related to Crypto-Mining 10->54 13 morte.i686.elf 10->13         started        process6 process7 15 morte.i686.elf 13->15         started        file8 30 /etc/init.d/sysd, POSIX 15->30 dropped 34 Sample tries to set files in /etc globally writable 15->34 36 Drops files in suspicious directories 15->36 38 Sample tries to persist itself using System V runlevels 15->38 19 morte.i686.elf sh 15->19         started        21 morte.i686.elf 15->21         started        signatures9 process10 signatures11 24 sh cp 19->24         started        48 Sample deletes itself 21->48 process12 file13 28 /usr/bin/.sh, ELF 24->28 dropped 50 Drops invisible ELF files 24->50 52 Drops files in suspicious directories 24->52 signatures14
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-12 11:17:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence upx
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Write file to user bin folder
Deletes itself
Mirai
Mirai family
Malware Config
C2 Extraction:
last.galaxias.cc
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 4fdac9cd3fb6f38495384cd21d69aa3c625ea4250ef864721079f913e753373c

(this sample)

  
Delivery method
Distributed via web download

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