MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0dc18dccf80f4958134468c2b65ca9bebda5221f9f6b6ba9a04ce46117ac791. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0dc18dccf80f4958134468c2b65ca9bebda5221f9f6b6ba9a04ce46117ac791
SHA3-384 hash: 4b7f4ba105f89dd3039af353d11cdd2a74e7041696a40aba563b87e7c8286bc6da735d66dfd334d5a0835a41834bc368
SHA1 hash: 21425efb28a85e41d36742e8ff943888527016b2
MD5 hash: 788f00bf9ac64ac025d42d51ab94ca2c
humanhash: massachusetts-hydrogen-failed-comet
File name:nwfaiehg4ewijfgriehgirehaughrarg.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:114'280 bytes
First seen:2025-08-18 16:38:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:jTtgHlCSYhqbLLqDridBiYNVKCNrx39W/RGpYTKGNeRL1HDJ7AB51L:qH8Ob6DIVKCNrx3qRG6LOt7AB
TLSH T134B3C85E7E218F7DF7A8863047B34B21A35923D626E1D685E26CD9041F7038E245FFA8
telfhash t16421ac6c897412f097754d9d1bedffb6e5a070de0a362d338e01e9adaaacd425e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e8fa7412cb56012f932ca4ba04c407af6cab75e4efd3f658bdcf3353d81cea8e
File size (compressed) :43'156 bytes
File size (de-compressed) :114'196 bytes
Format:linux/mips
Packed file: e8fa7412cb56012f932ca4ba04c407af6cab75e4efd3f658bdcf3353d81cea8e

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-10056451-0
Create hunting rule

Unix.Trojan.Mirai-10056463-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Changes access rights for a file
Removes directories
Deleting a recently created file
Connection attempt
DNS request
Changes access rights for a written file
Runs as daemon
Removes directories from a temporary directory
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated remote threat
Link:
https://www.filescan.io/uploads/68a35755a4bdac9f5b9c5cd2/reports/ad183441-3b01-4270-909d-70b2e2b0ec8b/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9d034d5a-8e57-41b0-acec-c56f56da01d1
Behavior Graph:
Download SVG
%3 guuid=f3fa8614-2000-0000-abb0-ccf6200b0000 pid=2848 /usr/bin/sudo guuid=15743717-2000-0000-abb0-ccf6290b0000 pid=2857 /tmp/sample.bin guuid=f3fa8614-2000-0000-abb0-ccf6200b0000 pid=2848->guuid=15743717-2000-0000-abb0-ccf6290b0000 pid=2857 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/595c4bd4-2ea0-48e8-821d-b7d28c761a82
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1759507
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1759507 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 18/08/2025 Architecture: LINUX Score: 68 25 anranapi.xyz 2->25 27 169.254.169.254, 80 USDOSUS Reserved 2->27 29 2 other IPs or domains 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 10 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 35 Performs DNS queries to domains with low reputation 25->35 process4 process5 14 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 10->14         started        process6 16 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 14->16         started        process7 18 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 16->18         started        process8 20 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 18->20         started        23 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 18->23         started        signatures9 37 Manipulation of devices in /dev 20->37 39 Deletes system log files 20->39
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b0dc18dccf80f4958134468c2b65ca9bebda5221f9f6b6ba9a04ce46117ac791
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b0dc18dccf80f4958134468c2b65ca9bebda5221f9f6b6ba9a04ce46117ac791/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-08-18 16:40:54 UTC
File Type:
ELF32 Big (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wdobrxgpqd2jlajui2gcwzoktpv5uurb7h3lnou2athemel2y6iq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/250818-t62tyswsb1/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Creates a large amount of network flows
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes system logs
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9d7282ff-9b88-4624-a9d1-f30ab1f5b395
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/b0dc18dccf80f4958134468c2b65ca9bebda5221f9f6b6ba9a04ce46117ac791

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:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
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 e8fa7412cb56012f932ca4ba04c407af6cab75e4efd3f658bdcf3353d81cea8e

Mirai

elf b0dc18dccf80f4958134468c2b65ca9bebda5221f9f6b6ba9a04ce46117ac791

(this sample)

  
Dropped by
SHA256 e8fa7412cb56012f932ca4ba04c407af6cab75e4efd3f658bdcf3353d81cea8e
  
URLhaus
https://urlhaus.abuse.ch/url/3606044/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3606047/
  
URLhaus
https://urlhaus.abuse.ch/url/3606060/
  
Dropped by
MD5 a321900667541970b037a4cbeb7cad5a

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