MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b40af7c885d687319d1e919e1af733e45a2c3bd78f69dba160df54cfb292147. 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

SHA256 hash: 9b40af7c885d687319d1e919e1af733e45a2c3bd78f69dba160df54cfb292147
SHA3-384 hash: 6b9ba47f7170b26c8467f72ce063b7c1c2d36a9ee8d4f62500b037dd302784ac0d2e0d7fe8b67591eea754248699a1b8
SHA1 hash: cb6c8318ecbdcc376c824209e30a21dfe6e09ff7
MD5 hash: fcad851a74167ed9eefb70a8abccf082
humanhash: single-eight-december-black
File name:x86
Download: download sample
Signature Mirai
File size:36'684 bytes
First seen:2025-11-11 06:07:55 UTC
Last seen:2025-11-11 15:47:29 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:FTAOxIC0mTOvo0iEpAFBDrNSTr9ncHusVXxa5MV6GjrHwhFTnbcuyD7U9URI:FkOj/IOBt4rpAX85MMGnHwXnouy81
TLSH T110F2E19BE3D94E3EC06240BA64AC7F5E412CF61D3480CDE5478832BF6AE9654930C75B
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
File size (compressed) :36'684 bytes
File size (de-compressed) :74'640 bytes
Format:linux/i386
Unpacked file: 8db395d66e706217dbdab2b10f72c6a5e791cb5ba7efc06ed38d4d799bbac807

Intelligence


File Origin
# of uploads :
2
# of downloads :
59
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-11T01:34:00Z UTC
Last seen:
2025-11-11T02:06:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=84afc674-1900-0000-9718-0fbfad100000 pid=4269 /usr/bin/sudo guuid=326a9a76-1900-0000-9718-0fbfb5100000 pid=4277 /tmp/sample.bin net guuid=84afc674-1900-0000-9718-0fbfad100000 pid=4269->guuid=326a9a76-1900-0000-9718-0fbfb5100000 pid=4277 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=326a9a76-1900-0000-9718-0fbfb5100000 pid=4277->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-11 04:30:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet discovery linux upx
Behaviour
Reads runtime system information
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10028259-0
YARA:
n/a
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 9b40af7c885d687319d1e919e1af733e45a2c3bd78f69dba160df54cfb292147

(this sample)

  
Delivery method
Distributed via web download

Comments