MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc42dab20737c30846d8cd5245c92f7a2de2a99dee368e0e1b722171575f9b70. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dc42dab20737c30846d8cd5245c92f7a2de2a99dee368e0e1b722171575f9b70
SHA3-384 hash: 9015387498ecbe8b282107d63cd8ad8638a429f5ed55f3daf92bf13a016ed330414f3b3024ca16cb593b50ec4065ee5d
SHA1 hash: e2099a8190ccd9ca7bd3f1ba6d84af119672cd65
MD5 hash: 5a3faa1e35cc55b6f2184db7ab223665
humanhash: august-table-oklahoma-ten
File name:morte.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:42'092 bytes
First seen:2025-08-26 04:35:24 UTC
Last seen:2025-09-05 18:26:48 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:1+eCHwunaMse61NstC/d+mSgobrYe+Ym0q7I70SOO99AIsUqjwyNIx0rVgW:1+eCQ//Z1NsY1+ZJYYmB0D9ApByygW
TLSH T12013E16345E3BBB8C4676470456D42847913BC2F9A034AA70C6AA6DF1E27C490F433D4
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) :42'092 bytes
File size (de-compressed) :80'672 bytes
Format:linux/amd64
Unpacked file: cfa1508e37a6eed76d5b6566f8a97a763539a85abb04387fb36e3c628f20577c

Intelligence

File Origin
# of uploads :
3
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sets a written file as executable
DNS request
Runs as daemon
Deletes a file
Sends data to a server
Connection attempt
Launching a process
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:
  0/10
Confidence:
100%
Tags:
packed threat upx
Link:
https://www.filescan.io/uploads/68ad399c2a70220b68d98529/reports/c92bd0d7-5620-4ed3-984c-c468a57be641/overview
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
Full report:
https://elfdigest.com/brief/dc42dab20737c30846d8cd5245c92f7a2de2a99dee368e0e1b722171575f9b70
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
Elf
First seen:
2025-08-26T01:13:00Z UTC
Last seen:
2025-08-26T01:13:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/dc42dab20737c30846d8cd5245c92f7a2de2a99dee368e0e1b722171575f9b70/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/235a3abe-bffb-46df-b168-f1e17a1189ce
Behavior Graph:
Download SVG
%3 guuid=025242d1-1900-0000-abc9-c9fe300c0000 pid=3120 /usr/bin/sudo guuid=300beed3-1900-0000-abc9-c9fe370c0000 pid=3127 /tmp/sample.bin mprotect-exec net guuid=025242d1-1900-0000-abc9-c9fe300c0000 pid=3120->guuid=300beed3-1900-0000-abc9-c9fe370c0000 pid=3127 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=300beed3-1900-0000-abc9-c9fe370c0000 pid=3127->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=61a0a3d4-1900-0000-abc9-c9fe3a0c0000 pid=3130 /tmp/sample.bin zombie guuid=300beed3-1900-0000-abc9-c9fe370c0000 pid=3127->guuid=61a0a3d4-1900-0000-abc9-c9fe3a0c0000 pid=3130 clone guuid=557aadd4-1900-0000-abc9-c9fe3b0c0000 pid=3131 /tmp/sample.bin write-config zombie guuid=61a0a3d4-1900-0000-abc9-c9fe3a0c0000 pid=3130->guuid=557aadd4-1900-0000-abc9-c9fe3b0c0000 pid=3131 clone guuid=24b109d5-1900-0000-abc9-c9fe3d0c0000 pid=3133 /usr/bin/dash guuid=557aadd4-1900-0000-abc9-c9fe3b0c0000 pid=3131->guuid=24b109d5-1900-0000-abc9-c9fe3d0c0000 pid=3133 execve guuid=1d6616d6-1900-0000-abc9-c9fe420c0000 pid=3138 /tmp/sample.bin delete-file dns net send-data guuid=557aadd4-1900-0000-abc9-c9fe3b0c0000 pid=3131->guuid=1d6616d6-1900-0000-abc9-c9fe420c0000 pid=3138 clone guuid=6a2d47d5-1900-0000-abc9-c9fe3e0c0000 pid=3134 /usr/bin/cp guuid=24b109d5-1900-0000-abc9-c9fe3d0c0000 pid=3133->guuid=6a2d47d5-1900-0000-abc9-c9fe3e0c0000 pid=3134 execve guuid=1d6616d6-1900-0000-abc9-c9fe420c0000 pid=3138->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 29B ba409a05-ee4b-5515-b303-c26a7537bae8 rinksog.com:12121 guuid=1d6616d6-1900-0000-abc9-c9fe420c0000 pid=3138->ba409a05-ee4b-5515-b303-c26a7537bae8 send: 21B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c0dc2669-93d0-4917-8978-49e3f1357390
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1765035
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1765035 Sample: morte.x86_64.elf Startdate: 26/08/2025 Architecture: LINUX Score: 96 28 rinksog.com 196.251.87.166, 12121 SONIC-WirelessZA Seychelles 2->28 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 42 2 other signatures 2->42 10 morte.x86_64.elf 2->10         started        signatures3 process4 signatures5 46 Found strings related to Crypto-Mining 10->46 13 morte.x86_64.elf 10->13         started        process6 process7 15 morte.x86_64.elf 13->15         started        file8 26 /etc/init.d/sysd, POSIX 15->26 dropped 30 Sample tries to set files in /etc globally writable 15->30 32 Drops files in suspicious directories 15->32 34 Sample tries to persist itself using System V runlevels 15->34 19 morte.x86_64.elf 15->19         started        22 morte.x86_64.elf sh 15->22         started        signatures9 process10 signatures11 44 Sample deletes itself 19->44 24 sh cp 22->24         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/dc42dab20737c30846d8cd5245c92f7a2de2a99dee368e0e1b722171575f9b70
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dc42dab20737c30846d8cd5245c92f7a2de2a99dee368e0e1b722171575f9b70/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-26 04:36:34 UTC
File Type:
ELF64 Little (Exe)
AV detection:
17 of 37 (45.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3rbnvmqhg7bqqrwyzvjelsjppiw6fkm55y3i4dq3oiqxcv27tnya._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access discovery linux persistence upx
Link:
https://tria.ge/reports/250826-e7z97awkw6/
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
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3e35ed85-dbc6-40ba-8f6e-e2cf6330fc3a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/dc42dab20737c30846d8cd5245c92f7a2de2a99dee368e0e1b722171575f9b70

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
Create hunting rule
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: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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 dc42dab20737c30846d8cd5245c92f7a2de2a99dee368e0e1b722171575f9b70

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3608053/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3611960/

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