MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2f9296b0600dede87844bf36a06d78d2afc280ad30c906357003c9551ef1f48. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2f9296b0600dede87844bf36a06d78d2afc280ad30c906357003c9551ef1f48
SHA3-384 hash: a7df0371c49f38222801118f5d41612915b03aa4923164df8cde8d31bf7ad87ff80b76d1a12fda2214cc14ee3c1f535e
SHA1 hash: 9d4bd056fd27b8f2ddad780252d549c3432b19c9
MD5 hash: 1848076882dc1aebc6529cd38bd732e4
humanhash: carbon-mississippi-table-blossom
File name:morte.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:42'732 bytes
First seen:2025-07-08 17:44:39 UTC
Last seen:2025-07-09 18:50:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:1Z5Pz3zTPtlcP13bOGNnUocbTj8dkXFVWacedV56nDKofcsQUiWXL5dLxWTx0rCj:1rzPtu13KGRYTjTFVWisQi5d1IFj
TLSH T19813F1FB5A7BE07AC059E6705CDE4801D7A2519B35AFCBAF448C47FF9A1C00A0720AC1
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 :
4
# of downloads :
16
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686d5940900df8e7f868a033linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Deletes a file
Sets a written file as executable
Receives data from a server
Launching a process
Connection attempt
DNS request
Kills processes
Runs as daemon
Substitutes an application name
Writes files to system directory
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 upx
Link:
https://www.filescan.io/uploads/686d59490737c4165a954a8c/reports/efe02b05-a9b1-40d5-bddf-3dd25c15895f/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:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a2f9296b0600dede87844bf36a06d78d2afc280ad30c906357003c9551ef1f48
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/221a1869-7743-4e41-9f11-1edeb418da1c
Behavior Graph:
Download SVG
%3 guuid=7606bb62-1a00-0000-dc01-29c73c0c0000 pid=3132 /usr/bin/sudo guuid=25025964-1a00-0000-dc01-29c7400c0000 pid=3136 /tmp/sample.bin mprotect-exec net guuid=7606bb62-1a00-0000-dc01-29c73c0c0000 pid=3132->guuid=25025964-1a00-0000-dc01-29c7400c0000 pid=3136 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=25025964-1a00-0000-dc01-29c7400c0000 pid=3136->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c536d064-1a00-0000-dc01-29c7430c0000 pid=3139 /tmp/sample.bin guuid=25025964-1a00-0000-dc01-29c7400c0000 pid=3136->guuid=c536d064-1a00-0000-dc01-29c7430c0000 pid=3139 clone guuid=ece6d364-1a00-0000-dc01-29c7440c0000 pid=3140 /tmp/sample.bin zombie guuid=25025964-1a00-0000-dc01-29c7400c0000 pid=3136->guuid=ece6d364-1a00-0000-dc01-29c7440c0000 pid=3140 clone guuid=ee61ed64-1a00-0000-dc01-29c7450c0000 pid=3141 /tmp/sample.bin write-config zombie guuid=ece6d364-1a00-0000-dc01-29c7440c0000 pid=3140->guuid=ee61ed64-1a00-0000-dc01-29c7450c0000 pid=3141 clone guuid=03f42c65-1a00-0000-dc01-29c7470c0000 pid=3143 /usr/bin/dash guuid=ee61ed64-1a00-0000-dc01-29c7450c0000 pid=3141->guuid=03f42c65-1a00-0000-dc01-29c7470c0000 pid=3143 execve guuid=54a30b66-1a00-0000-dc01-29c74a0c0000 pid=3146 /tmp/sample.bin delete-file dns net send-data guuid=ee61ed64-1a00-0000-dc01-29c7450c0000 pid=3141->guuid=54a30b66-1a00-0000-dc01-29c74a0c0000 pid=3146 clone guuid=84565365-1a00-0000-dc01-29c7480c0000 pid=3144 /usr/bin/cp guuid=03f42c65-1a00-0000-dc01-29c7470c0000 pid=3143->guuid=84565365-1a00-0000-dc01-29c7480c0000 pid=3144 execve guuid=54a30b66-1a00-0000-dc01-29c74a0c0000 pid=3146->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 29B bde2f3e2-e7d2-575e-9d4f-3bf8867f23ed izumisv1.cc:12121 guuid=54a30b66-1a00-0000-dc01-29c74a0c0000 pid=3146->bde2f3e2-e7d2-575e-9d4f-3bf8867f23ed send: 10B guuid=0c071066-1a00-0000-dc01-29c74b0c0000 pid=3147 /tmp/sample.bin guuid=54a30b66-1a00-0000-dc01-29c74a0c0000 pid=3146->guuid=0c071066-1a00-0000-dc01-29c74b0c0000 pid=3147 clone guuid=6f911266-1a00-0000-dc01-29c74c0c0000 pid=3148 /tmp/sample.bin guuid=54a30b66-1a00-0000-dc01-29c74a0c0000 pid=3146->guuid=6f911266-1a00-0000-dc01-29c74c0c0000 pid=3148 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ffb21066-ee8c-40f0-993e-ae37bbd7470b
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1731260
Signature
Deletes system log files
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1731260 Sample: morte.x86_64.elf Startdate: 08/07/2025 Architecture: LINUX Score: 100 42 109.202.202.202, 80 INIT7CH Switzerland 2->42 44 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->44 46 3 other IPs or domains 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected Mirai 2->52 54 2 other signatures 2->54 10 morte.x86_64.elf 2->10         started        13 dash rm 2->13         started        15 dash rm 2->15         started        signatures3 process4 signatures5 62 Found strings related to Crypto-Mining 10->62 17 morte.x86_64.elf 10->17         started        19 morte.x86_64.elf 10->19         started        process6 process7 21 morte.x86_64.elf 17->21         started        file8 38 /etc/init.d/sysd, POSIX 21->38 dropped 56 Sample tries to set files in /etc globally writable 21->56 58 Drops files in suspicious directories 21->58 60 Sample tries to persist itself using System V runlevels 21->60 25 morte.x86_64.elf sh 21->25         started        27 morte.x86_64.elf 21->27         started        signatures9 process10 signatures11 30 sh cp 25->30         started        64 Sample deletes itself 27->64 34 morte.x86_64.elf 27->34         started        36 morte.x86_64.elf 27->36         started        process12 file13 40 /usr/bin/.sh, ELF 30->40 dropped 66 Drops invisible ELF files 30->66 68 Drops files in suspicious directories 30->68 70 Deletes system log files 34->70 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a2f9296b0600dede87844bf36a06d78d2afc280ad30c906357003c9551ef1f48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a2f9296b0600dede87844bf36a06d78d2afc280ad30c906357003c9551ef1f48/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-08 17:45:23 UTC
File Type:
ELF64 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ul4ss2ygadpn5b4ejpzwubwxruvpykak2mgjay2xaa6jkuppd5ea._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet credential_access defense_evasion discovery linux persistence upx
Link:
https://tria.ge/reports/250708-wbyj6aek51/
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
Writes file to system bin folder
Deletes itself
Deletes journal logs
Modifies Watchdog functionality
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dda47a7c-a8a4-48cb-9fa2-a564097222a1
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/a2f9296b0600dede87844bf36a06d78d2afc280ad30c906357003c9551ef1f48

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: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 a2f9296b0600dede87844bf36a06d78d2afc280ad30c906357003c9551ef1f48

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3570539/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3579399/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments