MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dcb961899c2d7be3bc3d812efc92006d1353433349ee7b873738ae1bd970c38. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 8dcb961899c2d7be3bc3d812efc92006d1353433349ee7b873738ae1bd970c38
SHA3-384 hash: 6e8d66af573d7ee5964d56055edc00bf7dcb1d990c26e7458be57c6c4451c40255328326cae15a24d50a1fd166d460e3
SHA1 hash: 98e55513642e1abbe3979e0570e4bf667b82a0d4
MD5 hash: 9e3dd08afdebe8e76c2c09cc229a2e3d
humanhash: wyoming-delta-black-lake
File name:b2
Download: download sample
Signature Mirai
File size:169'092 bytes
First seen:2025-02-04 03:06:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:iKCAoXzPKNarPEjL+AsCoLNrfT/1kEl8TCxPwu+edf5ZDtQO8cH3HsY2s/edPGMr:iKCZPk+BCoLNrqGQ+MJs/ednr
TLSH T163F32069AB719EB7EC0DCD3301994502119C965952DE2F6FF6B8C118E38BD0F89E3D88
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
117
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Collects information on the network activity
Creating a file
Kills processes
Sends data to a server
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
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
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1606174 Sample: b2.elf Startdate: 04/02/2025 Architecture: LINUX Score: 52 30 109.202.202.202, 80 INIT7CH Switzerland 2->30 32 1.1.1.1, 47789, 53 CLOUDFLARENETUS Australia 2->32 34 3 other IPs or domains 2->34 36 Multi AV Scanner detection for submitted file 2->36 9 b2.elf 2->9         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 4 other processes 2->16 signatures3 process4 signatures5 38 Sample tries to kill multiple processes (SIGKILL) 9->38 18 b2.elf 9->18         started        process6 process7 20 b2.elf 18->20         started        process8 22 b2.elf 20->22         started        24 b2.elf 20->24         started        26 b2.elf 20->26         started        28 b2.elf 20->28         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2025-02-04 03:07:08 UTC
File Type:
ELF32 Little (Exe)
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 8dcb961899c2d7be3bc3d812efc92006d1353433349ee7b873738ae1bd970c38

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments