MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5f08da3dfb83e0b9195135254b981b2913c2bcee47dcf7068bb4e4d52edbdab. 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 14 File information Comments

SHA256 hash: a5f08da3dfb83e0b9195135254b981b2913c2bcee47dcf7068bb4e4d52edbdab
SHA3-384 hash: 71654111871fa027a8f12dbc460ab550a39387db3da19506744a0258aa4090e07ee09033d4e0fa3f8106b51e2658fbbe
SHA1 hash: 82857aa20ccb6a22b7c27112b7efc30c144f446f
MD5 hash: 50f0f46929d1037492a2d297d0d22b1d
humanhash: cold-nine-jupiter-lima
File name:x86
Download: download sample
Signature Mirai
File size:137'448 bytes
First seen:2025-11-21 03:05:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:kjh0WnMetciAnkZ8I0jgTxuQYLKHgJmLW3Rqoi6qNBTThB7cS5PHIcHpw75:k90WMetVOAygYX3CWEo/0BBVZs7
TLSH T138D35B85EB63D1B1EC570C31416BB3379732B43D402ADF47EBF8AD26AD60B029169A5C
telfhash t1dc517cba6e7618ecb7c0aa07f78e5771ed1daab7242032f905f2194132e21419779c39
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 010a6dd06067e9418c9f1dc7c804410645f56c8c03f9222d536139f99c880cd5
File size (compressed) :63'188 bytes
File size (de-compressed) :137'448 bytes
Format:linux/i386
Packed file: 010a6dd06067e9418c9f1dc7c804410645f56c8c03f9222d536139f99c880cd5

Intelligence


File Origin
# of uploads :
1
# of downloads :
51
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-21T03:29:00Z UTC
Last seen:
2025-11-21T04:38:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=e5a27c38-1800-0000-f8f7-19a62b0c0000 pid=3115 /usr/bin/sudo guuid=631c0d3a-1800-0000-f8f7-19a6300c0000 pid=3120 /tmp/sample.bin guuid=e5a27c38-1800-0000-f8f7-19a62b0c0000 pid=3115->guuid=631c0d3a-1800-0000-f8f7-19a6300c0000 pid=3120 execve guuid=e09e343a-1800-0000-f8f7-19a6320c0000 pid=3122 /tmp/sample.bin guuid=631c0d3a-1800-0000-f8f7-19a6300c0000 pid=3120->guuid=e09e343a-1800-0000-f8f7-19a6320c0000 pid=3122 clone guuid=1044423a-1800-0000-f8f7-19a6330c0000 pid=3123 /tmp/sample.bin net send-data zombie guuid=e09e343a-1800-0000-f8f7-19a6320c0000 pid=3122->guuid=1044423a-1800-0000-f8f7-19a6330c0000 pid=3123 clone 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=1044423a-1800-0000-f8f7-19a6330c0000 pid=3123->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4087f35e-1fbf-568c-84b3-fe73b95984b2 87.120.165.79:42061 guuid=1044423a-1800-0000-f8f7-19a6330c0000 pid=3123->4087f35e-1fbf-568c-84b3-fe73b95984b2 send: 35B
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1818263 Sample: x86.elf Startdate: 21/11/2025 Architecture: LINUX Score: 76 20 87.120.165.79, 42061, 58756 NETBOX-ASBG Bulgaria 2->20 22 34.243.160.129, 443, 50540 AMAZON-02US United States 2->22 24 54.247.62.1, 443 AMAZON-02US United States 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Connects to many ports of the same IP (likely port scanning) 2->32 8 x86.elf 2->8         started        10 dash rm 2->10         started        12 dash cut 2->12         started        14 8 other processes 2->14 signatures3 process4 process5 16 x86.elf 8->16         started        process6 18 x86.elf 16->18         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-21 03:06:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Dropper.Mirai-7355719-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:unixredflags3
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 a5f08da3dfb83e0b9195135254b981b2913c2bcee47dcf7068bb4e4d52edbdab

(this sample)

  
Delivery method
Distributed via web download

Comments