MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfa77ec4ccf04f4cc5ba1437e380dae9f27aaa45cfc95a5a93e97d65e4f62db9. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dfa77ec4ccf04f4cc5ba1437e380dae9f27aaa45cfc95a5a93e97d65e4f62db9
SHA3-384 hash: 7cd34e97be8e1b82598a73283eb9d504e9d3f1559d5368ee1b2b1027005956750e98553970b8411d993e53249bf43785
SHA1 hash: d49193c63cfe6af8b05d86486f1c923498ba2597
MD5 hash: 89a087297def26b925d8a98adb2ab526
humanhash: yellow-aspen-idaho-two
File name:morte.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:94'812 bytes
First seen:2025-11-08 05:19:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:nrDxFyoNiHLpsyXBBYTXNUb0Dn4MkGnaagFJX6s0dQ1kvwJym:nnDyoNVyzYDN5PDnaJJ6dUym
TLSH T1D2932A46FD828F13C6C622B6F7AE058D37127BA8D2EB3103DD25BFA1338659A0D67511
telfhash t12a51fdabfb620adc0bded644908f70584aed35ae1b1424578a1d6b5bd4c2ac2f12dc1b
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 e40ebba75f3c7095b74fedfbd56a86628df76b9bed6621b961f3af416850e3ea
File size (compressed) :42'032 bytes
File size (de-compressed) :94'812 bytes
Format:linux/arm
Packed file: e40ebba75f3c7095b74fedfbd56a86628df76b9bed6621b961f3af416850e3ea

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade mirai obfuscated rust
Link:
https://www.filescan.io/uploads/690ed3172b74ec26eb6b6aca/reports/6e046d2a-0ee7-49d7-be8d-5c06714ad9cc/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
49
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
37215
Full report:
https://elfdigest.com/brief/dfa77ec4ccf04f4cc5ba1437e380dae9f27aaa45cfc95a5a93e97d65e4f62db9
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-08T02:32:00Z UTC
Last seen:
2025-11-08T03:31:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/dfa77ec4ccf04f4cc5ba1437e380dae9f27aaa45cfc95a5a93e97d65e4f62db9/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0eff99e6-5753-4373-be9b-f7071fb0816d
Behavior Graph:
Download SVG
%3 guuid=384d3e59-1900-0000-d5e3-303c8b0f0000 pid=3979 /usr/bin/sudo guuid=30a2e05a-1900-0000-d5e3-303c970f0000 pid=3991 /tmp/sample.bin guuid=384d3e59-1900-0000-d5e3-303c8b0f0000 pid=3979->guuid=30a2e05a-1900-0000-d5e3-303c970f0000 pid=3991 execve
Gathering data
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1810345
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810345 Sample: morte.arm.elf Startdate: 08/11/2025 Architecture: LINUX Score: 72 26 teamc2.duckdns.org 2->26 28 197.152.229.193 airtel-tz-asTZ Tanzania United Republic of 2->28 30 100 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Yara detected Mirai 2->34 36 Connects to many ports of the same IP (likely port scanning) 2->36 8 morte.arm.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 38 Uses dynamic DNS services 26->38 process4 process5 12 morte.arm.elf 8->12         started        14 morte.arm.elf 8->14         started        16 morte.arm.elf 8->16         started        18 morte.arm.elf 8->18         started        process6 20 morte.arm.elf 12->20         started        22 morte.arm.elf 12->22         started        24 morte.arm.elf 12->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/dfa77ec4ccf04f4cc5ba1437e380dae9f27aaa45cfc95a5a93e97d65e4f62db9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dfa77ec4ccf04f4cc5ba1437e380dae9f27aaa45cfc95a5a93e97d65e4f62db9/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/dfa77ec4ccf04f4cc5ba1437e380dae9f27aaa45cfc95a5a93e97d65e4f62db9
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-08 05:20:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=36tx5rgm6bhuzrn2cq36hag25hzhvksfz7evuwut5f6wlzhwfw4q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251108-f1lnwsdk8s/
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
botnet mirai Unix.Trojan.Mirai-7100807-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
Link:
https://app.threat.zone/submission/005738aa-3333-476f-b5c8-ba7cf642d860
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/dfa77ec4ccf04f4cc5ba1437e380dae9f27aaa45cfc95a5a93e97d65e4f62db9

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 e40ebba75f3c7095b74fedfbd56a86628df76b9bed6621b961f3af416850e3ea

Mirai

elf dfa77ec4ccf04f4cc5ba1437e380dae9f27aaa45cfc95a5a93e97d65e4f62db9

(this sample)

  
Dropped by
SHA256 e40ebba75f3c7095b74fedfbd56a86628df76b9bed6621b961f3af416850e3ea
  
URLhaus
https://urlhaus.abuse.ch/url/3697941/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 3a3bf817a634a2275c44331671514d6c
  
URLhaus
https://urlhaus.abuse.ch/url/3697762/

Comments