MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f904c5dbb0f0346f55ca3667fbe2f97aaac07b320ae16e4fcf718c34f23de2cd. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: f904c5dbb0f0346f55ca3667fbe2f97aaac07b320ae16e4fcf718c34f23de2cd
SHA3-384 hash: 15bf80e847b00b298dc73b5ac5438fdddc85ef7938d12eab4eaf99d1a7f133338d728a44dacb8020ef43f3d21250ad63
SHA1 hash: 43aacd91d7b07c55e44c6af5f11bdfbd24f29726
MD5 hash: e11f39760e21ab29315fb7dc74624d50
humanhash: wisconsin-glucose-utah-undress
File name:morte.x86_64
Download: download sample
Signature Mirai
File size:42'084 bytes
First seen:2025-08-29 19:33:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:L2teCHwunaMHWyEclPHjq/LjCtxZrspGQ29nPHM1s3LR+lR07jZo9snffIx0rVgE:L2eCQ/4W+lPDuPI9spG/9nPMuLR8R4ow
TLSH T1E113E1D3B663C671D4374B70AA0B4400FD67F32B316A0E9B06DA617F48665D62E1BCD2
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 UPX
File size (compressed) :42'084 bytes
File size (de-compressed) :80'672 bytes
Format:linux/amd64
Unpacked file: 50f8a010c2226b5d555cd4c969068c8a2d94858720bfe00ec6dacd204c27b514

Intelligence


File Origin
# of uploads :
1
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Deletes a file
Sets a written file as executable
Launching a process
Connection attempt
DNS request
Runs as daemon
Substitutes an application name
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed threat upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=5536b098-1600-0000-6c5d-acebc40c0000 pid=3268 /usr/bin/sudo guuid=71ce0e9b-1600-0000-6c5d-acebcc0c0000 pid=3276 /tmp/sample.bin mprotect-exec net guuid=5536b098-1600-0000-6c5d-acebc40c0000 pid=3268->guuid=71ce0e9b-1600-0000-6c5d-acebcc0c0000 pid=3276 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=71ce0e9b-1600-0000-6c5d-acebcc0c0000 pid=3276->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=380a849b-1600-0000-6c5d-acebce0c0000 pid=3278 /tmp/sample.bin zombie guuid=71ce0e9b-1600-0000-6c5d-acebcc0c0000 pid=3276->guuid=380a849b-1600-0000-6c5d-acebce0c0000 pid=3278 clone guuid=e5108c9b-1600-0000-6c5d-acebd00c0000 pid=3280 /tmp/sample.bin write-config zombie guuid=380a849b-1600-0000-6c5d-acebce0c0000 pid=3278->guuid=e5108c9b-1600-0000-6c5d-acebd00c0000 pid=3280 clone guuid=4d14d59b-1600-0000-6c5d-acebd20c0000 pid=3282 /usr/bin/dash guuid=e5108c9b-1600-0000-6c5d-acebd00c0000 pid=3280->guuid=4d14d59b-1600-0000-6c5d-acebd20c0000 pid=3282 execve guuid=9555b39c-1600-0000-6c5d-acebd60c0000 pid=3286 /tmp/sample.bin delete-file dns net send-data guuid=e5108c9b-1600-0000-6c5d-acebd00c0000 pid=3280->guuid=9555b39c-1600-0000-6c5d-acebd60c0000 pid=3286 clone guuid=80ed199c-1600-0000-6c5d-acebd40c0000 pid=3284 /usr/bin/cp guuid=4d14d59b-1600-0000-6c5d-acebd20c0000 pid=3282->guuid=80ed199c-1600-0000-6c5d-acebd40c0000 pid=3284 execve guuid=9555b39c-1600-0000-6c5d-acebd60c0000 pid=3286->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 28B 7714685f-b9c2-5302-a2db-d78b8a5f414c ransokk.de:12121 guuid=9555b39c-1600-0000-6c5d-acebd60c0000 pid=3286->7714685f-b9c2-5302-a2db-d78b8a5f414c send: 21B
Result
Threat name:
Mirai, Xmrig
Detection:
malicious
Classification:
troj.evad.mine
Score:
96 / 100
Signature
Drops files in suspicious directories
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: 1767888 Sample: morte.x86_64.elf Startdate: 29/08/2025 Architecture: LINUX Score: 96 32 ransokk.de 196.251.87.166, 12121, 60524 SONIC-WirelessZA Seychelles 2->32 34 109.202.202.202, 80 INIT7CH Switzerland 2->34 36 3 other IPs or domains 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Mirai 2->42 44 2 other signatures 2->44 10 morte.x86_64.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 54 Found strings related to Crypto-Mining 10->54 17 morte.x86_64.elf 10->17         started        process6 process7 19 morte.x86_64.elf 17->19         started        file8 30 /etc/init.d/sysd, POSIX 19->30 dropped 46 Sample tries to set files in /etc globally writable 19->46 48 Drops files in suspicious directories 19->48 50 Sample tries to persist itself using System V runlevels 19->50 23 morte.x86_64.elf 19->23         started        26 morte.x86_64.elf sh 19->26         started        signatures9 process10 signatures11 52 Sample deletes itself 23->52 28 sh cp 26->28         started        process12
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-08-29 19:34:40 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 38 (50.00%)
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
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Deletes itself
Mirai
Mirai family
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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 f904c5dbb0f0346f55ca3667fbe2f97aaac07b320ae16e4fcf718c34f23de2cd

(this sample)

  
Delivery method
Distributed via web download

Comments