MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfa1508e37a6eed76d5b6566f8a97a763539a85abb04387fb36e3c628f20577c. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cfa1508e37a6eed76d5b6566f8a97a763539a85abb04387fb36e3c628f20577c
SHA3-384 hash: 631a10227e1d09567c5a621271b9491a412173403f76d5f99131599690fc7c5572f14594a134378b4618914431dfa933
SHA1 hash: 8db59226765a54aabe17caeb2f1e4583b96785dc
MD5 hash: 6d698776c3ad8281ca7305c04dee0e5f
humanhash: blue-item-apart-april
File name:morte.x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:80'672 bytes
First seen:2025-10-29 15:37:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:GtTiHlYjfqYXTNVUSqCUb1kCL1G1kJnmZYTqNbZCh1PxIGMj:GtJjflTrOb1D1G1QnmyUbZChIR
TLSH T102734A03798080FCC49AC17557AFB636C873B57E1239B19B63C4EE267D89E512E2E9C1
telfhash t1343121753e4a1d90d1e7f636b3abe5a25c211d2024e035f2da3aa8f2eb167400e31837
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 dc42dab20737c30846d8cd5245c92f7a2de2a99dee368e0e1b722171575f9b70
File size (compressed) :42'092 bytes
File size (de-compressed) :80'672 bytes
Format:linux/amd64
Packed file: dc42dab20737c30846d8cd5245c92f7a2de2a99dee368e0e1b722171575f9b70

Intelligence

File Origin
# of uploads :
1
# of downloads :
27
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sets a written file as executable
Runs as daemon
Deletes a file
Opens a port
Sends data to a server
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/6902558bde25fddba05c0ed8/reports/ac53613c-41ce-4be2-acee-d6c9cf02d5c9/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-08-26T01:13:00Z UTC
Last seen:
2025-10-29T18:39:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/cfa1508e37a6eed76d5b6566f8a97a763539a85abb04387fb36e3c628f20577c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/09372dd2-698b-4182-8728-8941b11da67d
Behavior Graph:
Download SVG
%3 guuid=5f411c70-1d00-0000-4f5a-1c12b10e0000 pid=3761 /usr/bin/sudo guuid=5d521173-1d00-0000-4f5a-1c12c00e0000 pid=3776 /tmp/sample.bin net guuid=5f411c70-1d00-0000-4f5a-1c12b10e0000 pid=3761->guuid=5d521173-1d00-0000-4f5a-1c12c00e0000 pid=3776 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=5d521173-1d00-0000-4f5a-1c12c00e0000 pid=3776->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=82562873-1d00-0000-4f5a-1c12c20e0000 pid=3778 /tmp/sample.bin zombie guuid=5d521173-1d00-0000-4f5a-1c12c00e0000 pid=3776->guuid=82562873-1d00-0000-4f5a-1c12c20e0000 pid=3778 clone guuid=2f623073-1d00-0000-4f5a-1c12c30e0000 pid=3779 /tmp/sample.bin write-config zombie guuid=82562873-1d00-0000-4f5a-1c12c20e0000 pid=3778->guuid=2f623073-1d00-0000-4f5a-1c12c30e0000 pid=3779 clone guuid=100d9c73-1d00-0000-4f5a-1c12c50e0000 pid=3781 /usr/bin/dash guuid=2f623073-1d00-0000-4f5a-1c12c30e0000 pid=3779->guuid=100d9c73-1d00-0000-4f5a-1c12c50e0000 pid=3781 execve guuid=0a1ec674-1d00-0000-4f5a-1c12cc0e0000 pid=3788 /tmp/sample.bin delete-file dns net send-data guuid=2f623073-1d00-0000-4f5a-1c12c30e0000 pid=3779->guuid=0a1ec674-1d00-0000-4f5a-1c12cc0e0000 pid=3788 clone guuid=dedcdd73-1d00-0000-4f5a-1c12c70e0000 pid=3783 /usr/bin/cp guuid=100d9c73-1d00-0000-4f5a-1c12c50e0000 pid=3781->guuid=dedcdd73-1d00-0000-4f5a-1c12c70e0000 pid=3783 execve guuid=0a1ec674-1d00-0000-4f5a-1c12cc0e0000 pid=3788->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 4350B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=0a1ec674-1d00-0000-4f5a-1c12cc0e0000 pid=3788->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8f726b66-96c4-4eca-acdd-a050e0344046
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1804569
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 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: 1804569 Sample: morte.x86_64.elf Startdate: 29/10/2025 Architecture: LINUX Score: 92 32 109.202.202.202, 80 INIT7CH Switzerland 2->32 34 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->34 36 4 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 Yara detected Xmrig cryptocurrency miner 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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/cfa1508e37a6eed76d5b6566f8a97a763539a85abb04387fb36e3c628f20577c
Gathering data
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-29 20:41:27 UTC
File Type:
ELF64 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z6qvbdrxu3xno3k3mvtprkl2oy2ttkc2xmcdq75tny6gfdzak56a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai credential_access discovery linux persistence
Link:
https://tria.ge/reports/251029-wgyr4sskew/
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
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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf dc42dab20737c30846d8cd5245c92f7a2de2a99dee368e0e1b722171575f9b70

Mirai

elf cfa1508e37a6eed76d5b6566f8a97a763539a85abb04387fb36e3c628f20577c

(this sample)

  
Dropped by
SHA256 dc42dab20737c30846d8cd5245c92f7a2de2a99dee368e0e1b722171575f9b70
  
URLhaus
https://urlhaus.abuse.ch/url/3608053/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3611960/
  
URLhaus
https://urlhaus.abuse.ch/url/3612706/
  
URLhaus
https://urlhaus.abuse.ch/url/3617830/
  
URLhaus
https://urlhaus.abuse.ch/url/3618935/
  
URLhaus
https://urlhaus.abuse.ch/url/3618968/
  
URLhaus
https://urlhaus.abuse.ch/url/3619008/

Comments