MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b8b912a2987d8eb9cd80534eefe1ed67541900f4d490b8f1c85d6542aaa7bde. 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 18 File information Comments

SHA256 hash: 2b8b912a2987d8eb9cd80534eefe1ed67541900f4d490b8f1c85d6542aaa7bde
SHA3-384 hash: 1d2480f02c4fd38a66965541b05664e9e461c7988c0d029e7dc6d2abed76e8e1b5da471f77c45c37b5a4fee7508a1c6a
SHA1 hash: fbf89ea2be6a6f8f4eacbc5d12d6977a017b2b06
MD5 hash: 0cdedd0ae8af6352d84fb8d0f1bd862c
humanhash: massachusetts-pasta-comet-emma
File name:Space.x86_64
Download: download sample
Signature Mirai
File size:75'600 bytes
First seen:2025-10-29 15:38:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:BzIDxEwvZ8b1uGctIb/+w4HnC+8l8AnzcUf:BUxEyZ/XtIf4HT8l8AzcUf
TLSH T1C9733A57BA4080FEC499C43843BEBA36D87274FE1379729A13D8FE366D46E601E28C44
telfhash t1d32133b039591da0e0ebe468b305e1661d391aa004e2b8f3d9b790f6eb517870db9427
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 0f77cc1e2dcaca1bbf541fc1f6a73df2c01d60168bdaafd28f768b02aab4c1b8
File size (compressed) :36'908 bytes
File size (de-compressed) :75'600 bytes
Format:linux/amd64
Packed file: 0f77cc1e2dcaca1bbf541fc1f6a73df2c01d60168bdaafd28f768b02aab4c1b8

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-08-28T02:58:00Z UTC
Last seen:
2025-08-28T04:09:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=266c763f-1700-0000-7b9c-b69f5c0e0000 pid=3676 /usr/bin/sudo guuid=c0810c41-1700-0000-7b9c-b69f620e0000 pid=3682 /tmp/sample.bin net guuid=266c763f-1700-0000-7b9c-b69f5c0e0000 pid=3676->guuid=c0810c41-1700-0000-7b9c-b69f620e0000 pid=3682 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c0810c41-1700-0000-7b9c-b69f620e0000 pid=3682->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0c732041-1700-0000-7b9c-b69f630e0000 pid=3683 /tmp/sample.bin guuid=c0810c41-1700-0000-7b9c-b69f620e0000 pid=3682->guuid=0c732041-1700-0000-7b9c-b69f630e0000 pid=3683 clone guuid=2a26836b-1800-0000-7b9c-b69f35120000 pid=4661 /tmp/sample.bin guuid=c0810c41-1700-0000-7b9c-b69f620e0000 pid=3682->guuid=2a26836b-1800-0000-7b9c-b69f35120000 pid=4661 clone guuid=eb33876b-1800-0000-7b9c-b69f36120000 pid=4662 /tmp/sample.bin net zombie guuid=c0810c41-1700-0000-7b9c-b69f620e0000 pid=3682->guuid=eb33876b-1800-0000-7b9c-b69f36120000 pid=4662 clone guuid=17b02541-1700-0000-7b9c-b69f640e0000 pid=3684 /tmp/sample.bin zombie guuid=0c732041-1700-0000-7b9c-b69f630e0000 pid=3683->guuid=17b02541-1700-0000-7b9c-b69f640e0000 pid=3684 clone guuid=5b352841-1700-0000-7b9c-b69f650e0000 pid=3685 /tmp/sample.bin net zombie guuid=0c732041-1700-0000-7b9c-b69f630e0000 pid=3683->guuid=5b352841-1700-0000-7b9c-b69f650e0000 pid=3685 clone 99847cf9-bbc9-5325-af0b-560539fe04b3 87.120.166.200:3778 guuid=5b352841-1700-0000-7b9c-b69f650e0000 pid=3685->99847cf9-bbc9-5325-af0b-560539fe04b3 con guuid=eb33876b-1800-0000-7b9c-b69f36120000 pid=4662->99847cf9-bbc9-5325-af0b-560539fe04b3 con
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
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: 1804549 Sample: Space.x86_64.elf Startdate: 29/10/2025 Architecture: LINUX Score: 72 20 87.120.166.200, 3778, 55072, 55074 BURDENIS-ASBG Bulgaria 2->20 22 Malicious sample detected (through community Yara rule) 2->22 24 Antivirus / Scanner detection for submitted sample 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 Space.x86_64.elf 2->8         started        signatures3 process4 process5 10 Space.x86_64.elf 8->10         started        12 Space.x86_64.elf 8->12         started        14 Space.x86_64.elf 8->14         started        process6 16 Space.x86_64.elf 10->16         started        18 Space.x86_64.elf 10->18         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-29 18:04:35 UTC
File Type:
ELF64 Little (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery linux
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 2b8b912a2987d8eb9cd80534eefe1ed67541900f4d490b8f1c85d6542aaa7bde

(this sample)

  
Delivery method
Distributed via web download

Comments