MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb3f49e50746bdb71f5e94cd03515487ed44b2db7a95c95bbaf80d556c176727. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb3f49e50746bdb71f5e94cd03515487ed44b2db7a95c95bbaf80d556c176727
SHA3-384 hash: c52b255bf6d485788a919c9c05655a8abfd80c621819ed3ff609eca31a1baaa31ac6427fa1714c3c5c0a0fe67f6a0822
SHA1 hash: 1d4c274ba0483021deddf369d2ca7f360b9e7736
MD5 hash: cb5f396f4cad41ef713f836276d851bb
humanhash: beer-network-rugby-carolina
File name:morte.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:40'156 bytes
First seen:2025-07-08 17:13:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:myQY3vY/NHbBMUyGsLA9a88LPXZgmCTNOkulf+OcZYPnxhlg6wYATrnbcuyD7UHc:mg3A/NXyGs899uW3h+lW5wncnouy8Hyf
TLSH T14903F298562357E5E5CF9A3A4CAF752D08085C36217412E7F4CCB97BE4DCF687A047A0
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 :
14
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686d51f3900df8e7f8689dd9linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Receives data from a server
Runs as daemon
Removes directories
Sets a written file as executable
Deleting a recently created file
Opens a port
Launching a process
Kills processes
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
Link:
https://www.filescan.io/uploads/686d51fd0737c4165a953bbf/reports/cdc4e96f-cb76-489a-8001-6a30e7f6221c/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/cb3f49e50746bdb71f5e94cd03515487ed44b2db7a95c95bbaf80d556c176727
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/38ef8152-6617-4264-b051-65c02f11f8aa
Behavior Graph:
Download SVG
%3 guuid=dddea7dc-1800-0000-013e-410cf90a0000 pid=2809 /usr/bin/sudo guuid=bc1c9fde-1800-0000-013e-410cfd0a0000 pid=2813 /tmp/sample.bin net guuid=dddea7dc-1800-0000-013e-410cf90a0000 pid=2809->guuid=bc1c9fde-1800-0000-013e-410cfd0a0000 pid=2813 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=bc1c9fde-1800-0000-013e-410cfd0a0000 pid=2813->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=00d925df-1800-0000-013e-410cff0a0000 pid=2815 /tmp/sample.bin guuid=bc1c9fde-1800-0000-013e-410cfd0a0000 pid=2813->guuid=00d925df-1800-0000-013e-410cff0a0000 pid=2815 clone guuid=6ac729df-1800-0000-013e-410c000b0000 pid=2816 /tmp/sample.bin guuid=bc1c9fde-1800-0000-013e-410cfd0a0000 pid=2813->guuid=6ac729df-1800-0000-013e-410c000b0000 pid=2816 clone guuid=07963edf-1800-0000-013e-410c010b0000 pid=2817 /tmp/sample.bin write-config zombie guuid=6ac729df-1800-0000-013e-410c000b0000 pid=2816->guuid=07963edf-1800-0000-013e-410c010b0000 pid=2817 clone guuid=85280ae3-1800-0000-013e-410c090b0000 pid=2825 /usr/bin/dash guuid=07963edf-1800-0000-013e-410c010b0000 pid=2817->guuid=85280ae3-1800-0000-013e-410c090b0000 pid=2825 execve guuid=8bc691e6-1800-0000-013e-410c160b0000 pid=2838 /tmp/sample.bin delete-file dns net send-data guuid=07963edf-1800-0000-013e-410c010b0000 pid=2817->guuid=8bc691e6-1800-0000-013e-410c160b0000 pid=2838 clone guuid=f76973e3-1800-0000-013e-410c0b0b0000 pid=2827 /usr/bin/cp guuid=85280ae3-1800-0000-013e-410c090b0000 pid=2825->guuid=f76973e3-1800-0000-013e-410c0b0b0000 pid=2827 execve guuid=8bc691e6-1800-0000-013e-410c160b0000 pid=2838->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 29B bde2f3e2-e7d2-575e-9d4f-3bf8867f23ed izumisv1.cc:12121 guuid=8bc691e6-1800-0000-013e-410c160b0000 pid=2838->bde2f3e2-e7d2-575e-9d4f-3bf8867f23ed send: 10B guuid=b5cf97e6-1800-0000-013e-410c170b0000 pid=2839 /tmp/sample.bin guuid=8bc691e6-1800-0000-013e-410c160b0000 pid=2838->guuid=b5cf97e6-1800-0000-013e-410c170b0000 pid=2839 clone guuid=38999de6-1800-0000-013e-410c180b0000 pid=2840 /tmp/sample.bin guuid=8bc691e6-1800-0000-013e-410c160b0000 pid=2838->guuid=38999de6-1800-0000-013e-410c180b0000 pid=2840 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bcffd79f-e418-4e8b-9bd7-25b7acada985
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1731210
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: 1731210 Sample: morte.x86.elf Startdate: 08/07/2025 Architecture: LINUX Score: 100 38 izumisv1.cc 196.251.66.49, 12121, 45248 ASDETUKhttpwwwheficedcomGB Seychelles 2->38 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected Mirai 2->50 52 2 other signatures 2->52 10 morte.x86.elf 2->10         started        signatures3 process4 signatures5 56 Found strings related to Crypto-Mining 10->56 13 morte.x86.elf 10->13         started        15 morte.x86.elf 10->15         started        process6 process7 17 morte.x86.elf 13->17         started        file8 34 /etc/init.d/sysd, POSIX 17->34 dropped 40 Sample tries to set files in /etc globally writable 17->40 42 Drops files in suspicious directories 17->42 44 Sample tries to persist itself using System V runlevels 17->44 21 morte.x86.elf sh 17->21         started        23 morte.x86.elf 17->23         started        signatures9 process10 signatures11 26 sh cp 21->26         started        54 Sample deletes itself 23->54 30 morte.x86.elf 23->30         started        32 morte.x86.elf 23->32         started        process12 file13 36 /usr/bin/.sh, ELF 26->36 dropped 58 Drops invisible ELF files 26->58 60 Drops files in suspicious directories 26->60 62 Deletes system log files 30->62 signatures14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cb3f49e50746bdb71f5e94cd03515487ed44b2db7a95c95bbaf80d556c176727
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb3f49e50746bdb71f5e94cd03515487ed44b2db7a95c95bbaf80d556c176727/
Verdict:
Malicious
Threat:
Linux.Backdoor.Mirai
Link:
https://tip.neiki.dev/file/cb3f49e50746bdb71f5e94cd03515487ed44b2db7a95c95bbaf80d556c176727
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-08 17:14:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zm7utzihi263oh26stgqgukuq7wujmw3pkk4sw527agvk3axm4tq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery linux persistence rootkit upx
Link:
https://tria.ge/reports/250708-vr5gzacq7s/
Behaviour
Reads runtime system information
Write file to user bin folder
Loads a kernel module
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/552279cd-64a7-486a-b56f-ddbcb608009b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cb3f49e50746bdb71f5e94cd03515487ed44b2db7a95c95bbaf80d556c176727

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

sh 1d5e0a8d1c8d12a09502db45cc6fb08de9456b81ccaf1fbc22cec2fcdb4e0c61

Mirai

elf cb3f49e50746bdb71f5e94cd03515487ed44b2db7a95c95bbaf80d556c176727

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3570543/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3579383/
  
Dropped by
SHA256 1d5e0a8d1c8d12a09502db45cc6fb08de9456b81ccaf1fbc22cec2fcdb4e0c61
  
Dropped by
MD5 d13d2a795eca68d7965bb032780dd035
  
URLhaus
https://urlhaus.abuse.ch/url/3570537/

Comments